1
Nuveen
Municipal
Credit
Opportunities
Fund
Portfolio
of
Investments
July
31,
2024
(Unaudited)
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
LONG-TERM
INVESTMENTS
-
165.7% 
(100.0%
of
Total
Investments)
X
–
MUNICIPAL
BONDS
-
156
.8
%
(
94
.6
%
of
Total
Investments)
X
1,041,216,240
ALABAMA
-
6.5%
(3.9%
of
Total
Investments)
$
395
Hoover
Industrial
Development
Board,
Alabama,
Environmental
Improvement
Revenue
Bonds,
United
States
Steel
Corporation
Proejcet,
Green
Series
2020,
6.375%,
11/01/50,
(AMT),
(Mandatory
Put
11/01/30)
No
Opt.
Call
$
442,456
22,925
Hoover
Industrial
Development
Board,
Alabama,
Environmental
Improvement
Revenue
Bonds,
United
States
Steel
Corporation
Proejcet,
Series
2019,
5.750%,
10/01/49,
(AMT)
10/29
at
100.00
23,962,739
4,100
Mobile
County
Industrial
Development
Authority,
Alabama,
Solid
Waste
Disposal
Revenue
Bonds,
AM/NS
Calvert
LLC
Project,
Series
2024A,
5.000%,
6/01/54,
(AMT)
6/34
at
100.00
4,201,545
5,000
Southeast
Alabama
Gas
Supply
District,
Alabama,
Gas
Supply
Revenue
Bonds,
Project
2,
Refunding
Series
2024B,
5.000%,
6/01/49,
(Mandatory
Put
5/01/32)
2/32
at
100.17
5,327,329
8,875
(c)
Tuscaloosa
County
Industrial
Development
Authority,
Alabama,
Gulf
Opportunity
Zone
Bonds,
Hunt
Refining
Project,
Refunding
Series
2019A,
5.250%,
5/01/44
5/29
at
100.00
8,985,770
TOTAL
ALABAMA
42,919,839
ALASKA
-
1.2%
(0.7%
of
Total
Investments)
7,765
Anchorage,
Alaska,
Port
Revenue
Bonds,
Series
2020A,
5.000%,
12/01/50,
(AMT)
12/30
at
100.00
7,950,767
TOTAL
ALASKA
7,950,767
ARIZONA
-
3.2%
(2.0%
of
Total
Investments)
2,000
(c)
Arizona
Industrial
Development
Authority,
Arizona,
Education
Revenue
Bonds,
Heritage
Academy
-
Gateway
and
Laveen
Pojects,
Series
2021B,
5.000%,
7/01/51
7/28
at
103.00
1,855,007
1,000
(c)
Arizona
Industrial
Development
Authority,
Arizona,
Education
Revenue
Bonds,
Heritage
Academy
-
Gateway
and
Laveen
Pojects,
Taxable
Series
2021A,
5.000%,
7/01/51
7/28
at
103.00
927,504
340
(c)
Arizona
Industrial
Development
Authority,
Arizona,
Education
Revenue
Bonds,
Pinecrest
Academy-Cadence
Campus
Project,
Series
2020A,
4.000%,
7/15/40
7/28
at
100.00
310,623
1,000
(c)
Maricopa
County
Industrial
Development
Authority,
Arizona,
Education
Revenue
Bonds,
Gateway
Academy
Project,
Series
2019A,
5.750%,
1/01/50
1/30
at
100.00
903,816
Maricopa
County
Industrial
Development
Authority,
Arizona,
Education
Revenue
Bonds,
Legacy
Traditional
Schools
Projects,
Taxable
Series
2019B
:
1,100
(c)
5.000%,
7/01/39
7/29
at
100.00
1,137,759
4,025
(c)
5.000%,
7/01/54
7/29
at
100.00
4,081,484
315
(c)
Maricopa
County
Industrial
Development
Authority,
Arizona,
Educational
Facilities
Revenue
Bonds,
Ottawa
University
Projects,
Series
2020,
5.500%,
10/01/51
10/27
at
103.00
292,795
6,400
Maricopa
County
Pollution
Control
Corporation,
Arizona,
Pollution
Control
Revenue
Bonds,
El
Paso
Electric
Company,
Refunding
Series
2009A,
3.600%,
2/01/40
6/29
at
100.00
5,881,969
600
(c)
Phoenix
Industrial
Development
Authority,
Arizona,
Education
Facility
Revenue
Bonds,
Basis
Schools,
Inc.
Projects,
Series
2016A,
5.000%,
7/01/35
7/25
at
100.00
603,875
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
2
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
ARIZONA
(continued)
$
280
(c)
Phoenix
Industrial
Development
Authority,
Arizona,
Education
Facility
Revenue
Bonds,
Northwest
Christian
School
Project,
Series
2020A,
5.000%,
9/01/55
9/30
at
100.00
$
248,629
1,000
(c)
Pima
County
Industrial
Development
Authority,
Arizona,
Education
Facility
Revenue
Bonds,
Edkey
Charter
Schools
Project,
Series
2019,
5.875%,
7/01/51
7/26
at
103.00
1,010,285
50
(c)
Pima
County
Industrial
Development
Authority,
Arizona,
Education
Facility
Revenue
Bonds,
Imagine
East
Mesa
Charter
Schools
Project,
Series
2019,
5.000%,
7/01/49
7/26
at
100.00
48,406
380
(c)
Pima
County
Industrial
Development
Authority,
Arizona,
Education
Facility
Revenue
Bonds,
Synergy
Public
Charter
School
Project,
Series
2020,
5.250%,
6/15/50
6/28
at
100.00
364,417
1,000
(d)
Sierra
Vista
Industrial
Development
Authority,
Arizona,
Economic
Development
Revenue
Bonds,
Convertible
Capital
Appreciation
Revenue
Bonds,
Series
2021A,
0.000%,
10/01/56
10/29
at
103.00
803,847
Tempe
Industrial
Development
Authority,
Arizona,
Revenue
Bonds,
Mirabella
at
ASU
Project,
Series
2017A
:
2,205
(c)
6.000%,
10/01/37
10/27
at
100.00
1,594,827
2,350
(c)
6.125%,
10/01/52
10/27
at
100.00
1,442,795
TOTAL
ARIZONA
21,508,038
ARKANSAS
-
3.0%
(1.8%
of
Total
Investments)
13,085
(c)
Arkansas
Development
Finance
Authority,
Arkansas,
Environmental
Improvement
Revenue
Bonds,
United
States
Steel
Corporation,
Green
Series
2022,
5.450%,
9/01/52,
(AMT)
9/25
at
105.00
13,535,450
3,265
(c)
Arkansas
Development
Finance
Authority,
Industrial
Development
Revenue
Bonds,
Big
River
Steel
Project,
Series
2019,
4.500%,
9/01/49,
(AMT)
9/26
at
103.00
3,228,282
3,000
(c)
Arkansas
Development
Finance
Authority,
Industrial
Development
Revenue
Bonds,
Big
River
Steel
Project,
Series
2020A,
4.750%,
9/01/49,
(AMT)
9/27
at
103.00
3,008,277
TOTAL
ARKANSAS
19,772,009
CALIFORNIA
-
7.5%
(4.5%
of
Total
Investments)
3,000
(c)
California
Community
Housing
Agency,
California,
Essential
Housing
Revenue
Bonds,
K
Street
Flats,
Series
2021A-2,
4.000%,
8/01/50
8/32
at
100.00
2,424,016
4,500
(c)
California
Community
Housing
Agency,
California,
Essential
Housing
Revenue
Bonds,
Serenity
at
Larkspur
Apartments,
Series
2020A,
5.000%,
2/01/50
2/30
at
100.00
3,383,886
6,000
(c)
California
Community
Housing
Agency,
Workforce
Housing
Revenue
Bonds,
Annadel
Apartments,
Series
2019A,
5.000%,
4/01/49
4/29
at
100.00
5,218,275
1,555
California
County
Tobacco
Securitization
Agency,
Tobacco
Settlement
Asset-Backed
Bonds,
Los
Angeles
County
Securitization
Corporation,
Series
2020B-2,
0.000%,
6/01/55
6/30
at
26.72
301,900
1,510
(c)
California
Enterprise
Development
Authority,
Charter
School
Revenue
Bonds,
Norton
Science
and
Language
Academy
Project,
Series
2020,
6.250%,
7/01/58
7/27
at
102.00
1,579,571
3,720
(c)
California
Infrastructure
and
Economic
Development
Bank,
Revenue
Bonds,
Brightline
West
Passenger
Rail
Project,
Series
2020A-4,
1.000%,
1/01/50,
(Mandatory
Put
8/15/25),
(WI/DD)
8/24
at
100.00
3,771,178
4,000
(c)
California
Municipal
Finance
Authority,
Revenue
Bonds,
Simpson
University,
Series
2020A,
6.000%,
10/01/50
10/27
at
103.00
4,100,944
1,385
(c)
California
Public
Finance
Authority,
Charter
School
Lease
Revenue
Bonds,
California
Crosspoint
Academy
Project,
Series
2020A,
5.125%,
7/01/55
7/28
at
100.00
1,215,422
3
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
CALIFORNIA
(continued)
$
320
(c)
California
Public
Finance
Authority,
Senior
Living
Revenue
Bonds,
Enso
Village,
Refunding
Green
Series
2021A,
5.000%,
11/15/51
11/29
at
102.00
$
292,450
California
School
Finance
Authority,
California,
Charter
School
Revenue
Bonds,
Encore
Education
Obligated
Group,
Series
2016A
:
4,020
(c)
5.000%,
6/01/42
6/26
at
100.00
3,472,296
4,380
(c)
5.000%,
6/01/52
6/26
at
100.00
3,577,703
California
School
Finance
Authority,
Charter
School
Revenue
Bonds,
Arts
in
Action
Charter
Schools
-
Obligated
Group,
Series
2020A
:
1,410
(c)
5.000%,
6/01/50
6/27
at
100.00
1,076,489
1,200
(c)
5.000%,
6/01/59
6/27
at
100.00
877,384
1,000
(c)
California
School
Finance
Authority,
Charter
School
Revenue
Bonds,
Scholarship
Prep
Public
Schools
?
Obligated
Group,
Series
2020A,
5.000%,
6/01/60
6/28
at
100.00
909,015
1,500
California
Statewide
Communities
Development
Authority,
California,
Revenue
Bonds,
Loma
Linda
University
Medical
Center,
Series
2014A,
5.500%,
12/01/54
12/24
at
100.00
1,504,642
California
Statewide
Community
Development
Authority,
Revenue
Bonds,
Daughters
of
Charity
Health
System,
Series
2005A
:
16
(e),(f)
5.750%,
10/01/24
1/22
at
100.00
15,579
0
(e),(f),(g)
5.750%,
7/01/30
1/22
at
100.00
197
7
(e),(f)
5.750%,
7/01/35
1/22
at
100.00
7,469
12
(e),(f)
California
Statewide
Community
Development
Authority,
Revenue
Bonds,
Daughters
of
Charity
Health
System,
Series
2005G,
5.500%,
7/01/24
1/22
at
100.00
12,227
6
(e),(f)
California
Statewide
Community
Development
Authority,
Revenue
Bonds,
Daughters
of
Charity
Health
System,
Series
2005H,
5.750%,
7/01/25
1/22
at
100.00
5,571
25,000
California
Statewide
Financing
Authority,
Tobacco
Settlement
Asset-
Backed
Bonds,
Pooled
Tobacco
Securitization
Program,
Series
2006A,
0.000%,
6/01/46
8/24
at
26.15
6,522,270
1,000
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Center
City
Anaheim,
Series
2020A,
5.000%,
1/01/54
1/31
at
100.00
894,129
2,500
(c)
CSCDA
Community
Improvement
Authority,
California,
Essential
Housing
Revenue
Bonds,
Vineyard
Gardens
Apartments,
Senior
Lien
Series
2021A,
3.250%,
10/01/58
4/32
at
100.00
1,787,189
53,500
Golden
State
Tobacco
Securitization
Corporation,
California,
Tobacco
Settlement
Asset-Backed
Bonds,
Capital
Appreciation
Series
2021B-2,
0.000%,
6/01/66
12/31
at
27.75
6,171,337
615
(h)
Los
Angeles
Department
of
Airports,
California,
Revenue
Bonds,
Los
Angeles
International
Airport,
Refunding
Subordinate
Lien
Private
Activity
Series
2021A,
5.000%,
5/15/39,
(AMT)
5/31
at
100.00
657,669
TOTAL
CALIFORNIA
49,778,808
COLORADO
-
16.1%
(9.7%
of
Total
Investments)
1,940
Arista
Metropolitan
District,
Broomfield
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Refunding
and
Improvement
Series
2023B,
8.250%,
12/15/39
12/28
at
103.00
2,017,240
3,000
Aurora
Highlands
Community
Authority
Board,
Adams
County,
Colorado,
Special
Tax
Revenue
Bonds,
Refunding
&
Improvement
Series
2021A,
5.750%,
12/01/51
12/28
at
103.00
2,825,883
1,280
Baseline
Metropolitan
District
1,
In
the
City
and
County
of
Broomfield,
Colorado,
Special
Revenue
Bonds,
Series
2021A,
5.000%,
12/01/51
12/24
at
103.00
1,256,943
2,000
Bradley
Heights
Metropolitan
District
2,
Colorado
Springs,
El
Paso
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Series
2021A-3,
4.750%,
12/01/51
9/26
at
103.00
1,573,482
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
4
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
COLORADO
(continued)
$
962
Broadway
Station
Metropolitan
District
2,
Denver
City
and
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Convertible
to
Unlimited
Series
2019A,
5.000%,
12/01/35
9/24
at
103.00
$
816,567
3,000
Broadway
Station
Metropolitan
District
3,
Denver
City
and
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Convertible
to
Unlimited
Series
2019A,
5.000%,
12/01/49
9/24
at
103.00
2,411,009
1,000
Broadway
Station
Metropolitan
District
3,
Denver
City
and
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Subordinate
Convertible
to
Senior
Capital
Appreciation
Series
2019B,
7.500%,
12/01/49
9/24
at
81.46
662,971
3,985
Broadway
Station
Metropolitan
District
3,
Denver
County,
Colorado,
Tax
Increment
Supported
Revenue
Bonds,
Series
2023A,
7.000%,
12/15/32
8/24
at
100.00
3,876,514
500
Colorado
Educational
and
Cultural
Facilities
Authority,
Charter
School
Revenue
Bonds
World
Compass
Academy
Project,
Series
2017,
5.375%,
10/01/37
10/27
at
100.00
463,200
3,145
(c)
Colorado
Educational
and
Cultural
Facilities
Authority,
Charter
School
Revenue
Bonds,
Belle
Creek
Charter
School,
Series
2022A,
5.250%,
3/15/52
3/32
at
100.00
3,172,318
500
(c)
Colorado
Educational
and
Cultural
Facilities
Authority,
Charter
School
Revenue
Bonds,
Loveland
Classical
Schools
Project,
Series
2016,
5.000%,
7/01/36
7/26
at
100.00
505,557
Colorado
Educational
and
Cultural
Facilities
Authority,
Revenue
Bonds,
Rocky
Mountain
Classical
Academy
Project,
Refunding
Series
2019
:
3,520
(c)
5.000%,
10/01/49
10/27
at
100.00
3,460,367
6,650
(c)
5.000%,
10/01/59
10/27
at
100.00
6,394,340
2,000
Crossroads
Metropolitan
District
1,
El
Paso
County,
Colorado,
Limited
Tax
General
Obligation
and
Special
Revenue
Bonds,
Series
2022,
6.500%,
12/01/51
12/29
at
103.00
2,021,184
2,695
Dawson
Trails
Metropolitan
District
1,
Colorado,
In
The
Town
of
Castle
Rock,
Limited
Tax
General
Obligation
Capital
Appreciation
Turbo
Bonds,
Series
2024,
0.000%,
12/01/31
6/26
at
66.03
1,494,031
1,750
Green
Valley
Ranch
East
Metropolitan
District
6,
Adams
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2020A-3,
5.875%,
12/01/50
9/25
at
103.00
1,762,622
14,000
Hess
Ranch
Metropolitan
District
6,
Parker,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Convertible
Capital
Appreciation
Series
2020A-2,
5.750%,
12/01/49
3/25
at
93.28
11,313,940
5,500
Hess
Ranch
Metropolitan
District
6,
Parker,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2020A-1,
5.000%,
12/01/49
3/25
at
103.00
5,114,839
1,070
(c),(i)
Indy
Oak
Tod
Metropolitan
District,
Lakewood,
Jefferson
County,
Colorado,
Limited
Tax  General
Obligation
Bonds,
Convertible
to
Unlimited
Tax
Series
2020A,
5.500%,
12/01/50,
(Pre-refunded
6/01/25)
6/25
at
103.00
1,086,925
500
Iron
Mountain
Metropolitan
District
2,
Windsor,
Weld
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Refunding
&
Improvement
Series
2019A,
5.000%,
12/01/49
12/24
at
103.00
466,275
500
Johnstown
North
Metropolitan
District
2,
Johnstown,
Colorado,
General
Obligation
Bonds,
Refunding
&
Improvement
Series
2022A,
7.000%,
8/15/52
12/27
at
103.00
516,488
1,000
Lanterns
Metropolitan
District
2,
Castle
Rock,
Douglas
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2021A-3,
4.500%,
12/01/50
9/26
at
103.00
765,621
2,000
(c)
Ledge
Rock
Center
Commercial
Metropolitan
District
(In
the
Town
of
Johnstown,
Weld
County,
Colorado),
Limited
Tax
General
Obligation
Bonds,
Series
2022,
7.375%,
11/01/52
11/29
at
103.00
2,042,170
5
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
COLORADO
(continued)
$
500
Ledge
Rock
Center
Residential
Metropolitan
District
1,
Weld
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2024A,
6.375%,
12/01/54
6/29
at
103.00
$
511,642
360
Mountain
Shadows
Metropolitan
District,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Refunding
Series
2016,
4.000%,
12/01/26
12/25
at
100.00
356,112
1,000
Murphy
Creek
Metropolitan
District
5
(In
the
City
of
Aurora,
Arapahoe
County,
Colorado),
General
Obligation
Limited
Tax
Bonds,
Series
2022A
and
Subordinate
General
Obligation
Limited
Tax
Bonds,
Series
2022B(3),
6.000%,
12/01/52
9/27
at
103.00
1,009,412
2,320
North
Range
Metropolitan
District
3,
Adams
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2020A-3,
5.250%,
12/01/50
12/25
at
103.00
2,341,008
515
North
Vista
Highlands
Metropolitan
District
3,
Pueblo
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2020,
5.125%,
12/01/49
3/25
at
103.00
497,199
10,180
Painted
Prairie
Public
Improvement
Authority,
Aurora,
Colorado,
Special
Revenue
Bonds,
Series
2019,
5.000%,
12/01/49
12/24
at
103.00
9,401,891
1,000
Palisade
Metropolitan
District
2,
Broomfield
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Subordinate
Series
2019,
7.250%,
12/15/49
12/24
at
103.00
956,588
4,441
Pioneer
Community
Authority
Board
(Weld
County,
Colorado),
Special
Revenue
Bonds,
Series
2022,
6.500%,
12/01/34
6/29
at
103.00
4,304,209
1,500
RM
Mead
Metropolitan
District,
Weld
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2020A,
5.250%,
12/01/50
9/25
at
103.00
1,478,193
5,000
Sagebrush
Farm
Metropolitan
District
1,
Aurora,
Adams
County,
Colorado,
General
Obligation
Limited
Tax
Bonds,
Series
2022A,
6.750%,
12/01/52
12/29
at
103.00
5,084,346
8,515
(c)
Settler's
Crossing
Metropolitan
District
1,
Lakewood,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Series
2020A,
5.125%,
12/01/50
9/25
at
103.00
8,524,535
719
Sky
Ranch
Community
Authority
Board,
Arapahoe
County,
Colorado,
Limited
Tax
Supported
District
1
Revenue
Bonds,
Subordinate
Series
2019B,
7.625%,
12/15/49
12/24
at
102.00
736,790
500
STC
Metropolitan
District
2,
Superior,
Boulder
County,
Colorado,
Limited
Tax
General
Obligation
and
Special
Revenue
Bonds,
Refunding
&
improvement
Series
2019A,
5.000%,
12/01/49
12/24
at
103.00
479,464
1,000
Sterling
Ranch
Community
Authority
Board,
Douglas
County,
Colorado,
Limited
Tax
Supported
and
Special
Revenue
Bonds,
Special
District
3,
Series
2022,
6.750%,
12/01/53
12/27
at
103.00
1,066,556
760
Talon
Pointe
Metropolitan
District,
Adams
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Convertible
to
Unlimited
Tax
Refunding
&
Improvement
Series
2019A,
5.250%,
12/01/51
12/25
at
103.00
574,634
Transport
Metropolitan
District
3,
In
the
City
of
Aurora,
Adams
County,
Colorado,
General
Obligation
Limited
Bonds,
Series
2021A-1
:
2,200
5.000%,
12/01/41
3/26
at
103.00
1,955,723
1,000
5.000%,
12/01/51
3/26
at
103.00
823,285
1,000
Ward
TOD
Metropolitan
District
1,
Wheat
Ridge,
Jefferson
County,
Colorado,
Limited
Tax
General
Obligation
Bonds,
Convertible
to
Unlimited
Tax
Series
2019A,
5.000%,
12/01/49
12/24
at
103.00
953,567
5,000
(c)
Windler
Public
Improvement
Authority,
Aurora,
Colorado,
Limited
Tax
Supported
Revenue
Bonds,
Convertible
Capital
Appreciation
Series
2021A-2,
4.625%,
12/01/51
9/26
at
97.28
3,176,731
Windler
Public
Improvement
Authority,
Aurora,
Colorado,
Limited
Tax
Supported
Revenue
Bonds,
Series
2021A-1
:
2,000
(c)
4.000%,
12/01/36
9/26
at
103.00
1,798,109
6,000
(c)
4.125%,
12/01/51
9/26
at
103.00
4,594,411
TOTAL
COLORADO
106,644,891
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
6
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
CONNECTICUT
-
0.4%
(0.2%
of
Total
Investments)
$
3,200
(c)
Connecticut
Health
and
Educational
Facilities
Authority,
Revenue
Bonds,
Mary
Wade
Home
Issue,
Series
2019A-1,
5.000%,
10/01/54
10/24
at
104.00
$
2,536,829
TOTAL
CONNECTICUT
2,536,829
DISTRICT
OF
COLUMBIA
-
3.3%
(2.0%
of
Total
Investments)
89,500
District
of
Columbia
Tobacco
Settlement
Corporation,
Tobacco
Settlement
Asset-Backed
Bonds,
Series
2006A,
0.000%,
6/15/46
9/24
at
26.17
19,990,756
3,335
District
of
Columbia
Tobacco
Settlement
Corporation,
Tobacco
Settlement
Asset-Backed
Bonds,
Series
2006C,
0.000%,
6/15/55
9/24
at
12.48
296,816
1,996
(c)
District
of
Columbia,
Revenue
Bonds,
Saint
Paul
on
Fouth
Street,
Inc.,
Series
2019A,
5.250%,
5/15/55
5/30
at
100.00
1,779,074
TOTAL
DISTRICT
OF
COLUMBIA
22,066,646
FLORIDA
-
14.7%
(8.9%
of
Total
Investments)
Capital
Trust
Agency,
Florida,
Educational
Facilities
Lease
Revenue
Bonds,
Franklin
Academy
Projects,
Series
2020
:
140
(c)
5.000%,
12/15/35
7/26
at
100.00
139,992
100
(c)
5.000%,
12/15/50
7/26
at
100.00
89,625
100
(c)
Capital
Trust
Agency,
Florida,
Educational
Facilities
Revenue
Bonds,
Imagine
School
at
Land
O'Lakes
Project,
Series
2020A,
5.000%,
12/15/49
12/30
at
100.00
96,375
2,500
(c)
Capital
Trust
Agency,
Florida,
Educational
Facilities
Revenue
Bonds,
LLT  Academy
South
Bay
Project,
Series
2020A,
6.000%,
6/15/55
6/25
at
105.00
2,558,043
1,950
(c)
Capital
Trust
Agency,
Florida,
Educational
Facilities
Revenue
Bonds,
Pineapple
Cove
Classical
Academy,
Series
2019A,
5.125%,
7/01/39
1/29
at
100.00
1,952,582
Capital
Trust
Agency,
Florida,
Senior
Living
Facilities
Revenue
Bonds,
Elim
Senior
Housing,
Inc.
Project,
Series
2017
:
1,490
(c)
5.625%,
8/01/37
9/24
at
103.00
1,250,710
3,735
(c)
5.875%,
8/01/52
9/24
at
103.00
2,853,220
170
Cypress
Preserve
Community
Development
District,
Pasco
County,
Florida,
Special
Assessment
Bonds,
Assessment
Area
2,
Series
2019,
4.125%,
11/01/50
11/29
at
100.00
147,358
2,030
(c)
Florida
Development
Finance
Corporation,
Educational
Facilities
Revenue
Bonds,
Creative
Inspiration
Journey
School
of
St.
Cloud,
Series
2021A,
5.000%,
6/15/51
6/29
at
102.00
1,797,541
Florida
Development
Finance
Corporation,
Educational
Facilities
Revenue
Bonds,
Pepin
Academies
of
Pasco
County
Inc.,
Series
2020A
:
2,415
(c)
5.000%,
1/01/40
1/27
at
100.00
2,249,211
500
(c)
5.000%,
1/01/50
1/27
at
100.00
442,300
1,600
(c)
Florida
Development
Finance
Corporation,
Educational
Facilities
Revenue
Bonds,
Southwest
Charter
Foundation
Inc
Projects,
Series
2017A,
6.000%,
6/15/37
6/27
at
100.00
1,629,361
Florida
Development
Finance
Corporation,
Revenue
Bonds,
Brightline
Florida
Passenger
Rail
Expansion
Project,
Brightline
Trains
Florida
LLC
Issue,
Series
2024
:
14,450
(c)
12.000%,
7/15/32,
(AMT),
(Mandatory
Put
7/15/28)
8/24
at
100.00
15,407,661
4,000
5.000%,
7/01/41,
(AMT)
7/32
at
100.00
4,096,341
2,500
5.250%,
7/01/47
-
AGM
Insured,
(AMT)
7/32
at
100.00
2,637,889
1,515
5.250%,
7/01/47,
(AMT)
7/32
at
100.00
1,556,764
7,475
5.250%,
7/01/53
-
AGM
Insured,
(AMT)
7/32
at
100.00
7,811,142
1,500
5.500%,
7/01/53,
(AMT)
7/32
at
100.00
1,559,788
7,500
Florida
Development
Finance
Corporation,
Revenue
Bonds,
Brightline
Florida
Passenger
Rail
Expansion
Project,
Series
2023A,
7.500%,
7/01/57,
(AMT),
(Mandatory
Put
8/15/24)
8/24
at
104.50
7,830,625
7
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
FLORIDA
(continued)
$
13,065
(c)
Florida
Development
Finance
Corporation,
Revenue
Bonds,
Brightline
Florida
Passenger
Rail
Expansion
Project,
Series
2023C,
8.250%,
7/01/57,
(AMT),
(Mandatory
Put
8/15/24)
8/24
at
104.50
$
13,640,982
595
(c)
Florida
Development
Finance
Corporation,
Student
Housing
Revenue
Bonds,
SPP
-
Tampa
I
-
LLC
The
Henry
Project,
Series
2024A-1,
5.250%,
6/01/54
6/34
at
100.00
608,723
1,500
(c)
Florida
Development
Finance
Corporation,
Student
Housing
Revenue
Bonds,
SPP
-
Tampa
I
-
LLC
The
Henry
Project,
Series
2024B,
6.500%,
6/01/59
6/34
at
100.00
1,532,599
6,750
Greater
Orlando
Aviation
Authority,
Florida,
Orlando
Airport
Facilities
Revenue
Bonds,
Priority
Subordinated
Series
2017A,
5.000%,
10/01/42,
(AMT)
10/27
at
100.00
6,912,637
825
(c)
Lake
County,
Florida,
Educational
Facilities
Revenue
Bonds,
Imagine
South
Lake
Charter
School
Project,
Series
2019A,
5.000%,
1/15/49
7/29
at
100.00
791,186
150
(c)
Lake
Hideaway
Community
Development
District,
Hernando
County,
Florida,
Capital
Improvement
Revenue
Bonds,
Assessment
Area
One,
Series
2024,
5.900%,
5/01/54
5/34
at
100.00
150,646
735
Lee
County
Industrial
Development
Authority,
Florida,
Charter
School
Revenue
Bonds,
Lee
County
Community
Charter
Schools,
Series
2007A,
5.250%,
6/15/27
9/24
at
100.00
735,316
Lee
County
Industrial
Development
Authority,
Florida,
Healthcare
Facilities
Revenue
Bonds,
Preserve
Project,
Series
2017A
:
1,000
(c)
5.375%,
12/01/32
9/24
at
104.00
882,992
1,100
(c)
5.625%,
12/01/37
9/24
at
104.00
924,634
1,300
(c)
5.750%,
12/01/52
9/24
at
104.00
986,603
690
LT
Ranch
Community
Development
District,
Sarasota
County,
Florida,
Capital
Improvement
Revenue
Bonds,
Series
2019,
4.000%,
5/01/40
5/30
at
100.00
648,359
1,540
(c)
Mandarin
Grove
Community
Development
District,
Manatee
County,
Florida,
Special
Assessment
Revenue
Bonds,
2022
Project
Series
2022,
6.625%,
5/01/53
5/42
at
100.00
1,691,414
2,395
(c)
Middleton
Community
Development
District
A,
Florida,
Special
Assessment
Revenue
Bonds,
Series
2022,
6.200%,
5/01/53
11/30
at
100.00
2,519,871
945
(c)
North
AR-1
of
Pasco
Community
Development
District,
Florida,
Capital
Improvement
Revenue
Bonds,
Assessment
Area
4,
Series
2024,
5.750%,
5/01/54
5/34
at
100.00
956,377
Osceola
County,
Florida,
Transportation
Revenue
Bonds,
Osceola
Parkway,
Refunding
&
Improvement
Capital
Appreciation
Series
2019A-2
:
2,130
0.000%,
10/01/48
10/29
at
50.96
632,188
500
0.000%,
10/01/54
10/29
at
40.38
107,212
100
Parker
Road
Community
Development
District,
Florida,
Capital
Improvement
Revenue
Bonds,
Refudning
Series
2020,
3.875%,
5/01/40
5/30
at
100.00
84,427
6,410
Seminole
County
Industrial
Development
Authority,
Florida,
Retirement
Facility
Revenue
Bonds,
Legacy
Pointe
At
UCF
Project,
Series
2019A,
5.750%,
11/15/54
11/26
at
103.00
6,391,110
1,525
Twin
Creeks
North
Community
Development
District,
Florida,
Special
Assessment
Bonds,
Master
Infrastructure
Improvements,
Series
2016A-1,
6.375%,
11/01/47
11/31
at
100.00
1,613,998
TOTAL
FLORIDA
97,917,802
GEORGIA
-
3.5%
(2.1%
of
Total
Investments)
Atlanta
Development
Authority,
Georgia,
Senior
Health
Care
Facilities
Revenue
Bonds,
Georgia
Proton
Treatment
Center
Project,
Current
Interest
Series
2017A-1
:
1,250
(e)
6.500%,
1/01/29
1/28
at
100.00
562,500
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
8
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
GEORGIA
(continued)
$
7,030
(e)
6.750%,
1/01/35
1/28
at
100.00
$
3,163,500
18,430
(e)
7.000%,
1/01/40
1/28
at
100.00
8,293,500
10,000
Main
Street
Natural
Gas
Inc.,
Georgia,
Gas
Supply
Revenue
Bonds,
Series
2019A,
5.000%,
5/15/43
5/29
at
100.00
10,338,810
850
White
County
Development
Authority,
Georgia,
Revenue
Bonds
Truett
McConnell
University,
Series
2019,
5.125%,
10/01/39
10/26
at
103.00
790,948
TOTAL
GEORGIA
23,149,258
HAWAII
-
0.1%
(0.1%
of
Total
Investments)
1,150
(c)
Hawaii
Department
of
Budget
and
Finance,
Special
Purpose
Revenue
Bonds,
Chaminade
University
of
Honolulu,
Series
2015A,
5.000%,
1/01/45
1/25
at
100.00
1,029,293
TOTAL
HAWAII
1,029,293
IDAHO
-
1.5%
(0.9%
of
Total
Investments)
9,690
(c)
Idaho
Falls
Auditorium
District,
Idaho,
Certifications
of
Participation,  Annual
Appropriation
Series
2021,
5.250%,
5/15/51
5/26
at
102.00
9,732,105
TOTAL
IDAHO
9,732,105
ILLINOIS
-
15.4%
(9.3%
of
Total
Investments)
2,750
Bolingbrook,
Illinois,
Special
Tax
Bonds,
Special
Service
Area
1,
Refunding
Series
2019,
5.250%,
3/01/41
3/28
at
100.00
2,784,427
1,415
Chicago
Board
of
Education,
Illinois,
General
Obligation
Bonds,
Dedicated
Revenues,
Project
Series
2015C,
5.250%,
12/01/39
12/24
at
100.00
1,416,807
4,605
Chicago
Board
of
Education,
Illinois,
General
Obligation
Bonds,
Dedicated
Revenues,
Series
2023A,
6.000%,
12/01/49
12/33
at
100.00
5,092,947
7,950
Chicago
Transit
Authority,
Illinois,
Sales
Tax
Receipts
Revenue
Bonds,
Series
2014,
5.250%,
12/01/49
12/24
at
100.00
7,967,696
2,800
(h)
Chicago,
Illinois,
General
Obligation
Bonds,
Refunding
Series
2016C,
5.000%,
1/01/38,
(UB)
1/26
at
100.00
2,813,113
5,000
(h)
Chicago,
Illinois,
General
Obligation
Bonds,
Series
2019A,
5.500%,
1/01/49,
(UB)
1/29
at
100.00
5,172,449
3,965
(h)
Chicago,
Illinois,
General
Obligation
Bonds,
VAribale
Rate
Demand
Series
2007F,
5.500%,
1/01/42,
(UB)
1/25
at
100.00
3,973,095
4,750
Illinois
Finance
Authority,
Education
Revenue
Bonds,
Noble
Network
of
Charter
Schools,
Series
2015,
5.000%,
9/01/32
9/24
at
100.00
4,752,929
10,850
Illinois
Finance
Authority,
Revenue
Bonds,
Admiral
at
the
Lake
Project,
Refunding
Series
2017,
5.250%,
5/15/54
9/24
at
103.00
8,541,619
3,000
(c)
Illinois
Finance
Authority,
Revenue
Bonds,
Roosevelt
University,
Series
2018B,
6.125%,
4/01/58
10/28
at
100.50
2,962,942
2,000
(c)
Illinois
Finance
Authority,
Solid
Waste
Revenue
Bonds,
LRS
Holdings
LLC
Project,
Series
2023B,
7.375%,
9/01/42,
(Mandatory
Put
9/01/33)
6/33
at
100.00
2,200,601
9,945
Illinois
State,
General
Obligation
Bonds,
June
Series
2022A,
5.500%,
3/01/47
3/32
at
100.00
10,862,891
4,840
Illinois
State,
General
Obligation
Bonds,
May
Series
2018A,
5.000%,
5/01/32
5/28
at
100.00
5,100,420
890
Illinois
State,
General
Obligation
Bonds,
May
Series
2020,
5.500%,
5/01/39
5/30
at
100.00
975,840
4,600
Illinois
State,
General
Obligation
Bonds,
November
Series
2017D,
5.000%,
11/01/28
11/27
at
100.00
4,832,386
7,935
Metropolitan
Pier
and
Exposition
Authority,
Illinois,
McCormick
Place
Expansion
Project
Bonds,
Refunding
Series
2020A,
5.000%,
6/15/50
12/29
at
100.00
8,215,318
9
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
ILLINOIS
(continued)
$
10,000
Metropolitan
Pier
and
Exposition
Authority,
Illinois,
McCormick
Place
Expansion
Project
Bonds,
Series
2012B,
0.000%,
12/15/50
-
AGM
Insured
No
Opt.
Call
$
3,032,214
2,980
Metropolitan
Pier
and
Exposition
Authority,
Illinois,
McCormick
Place
Expansion
Project
Bonds,
Series
2017A,
5.000%,
6/15/57
12/27
at
100.00
3,031,927
29,815
Metropolitan
Pier
and
Exposition
Authority,
Illinois,
McCormick
Place
Expansion
Project
Bonds,
Series
2017B,
0.000%,
12/15/54
-
BAM
Insured
No
Opt.
Call
7,454,972
Metropolitan
Pier
and
Exposition
Authority,
Illinois,
Revenue
Bonds,
McCormick
Place
Expansion
Project,
Capital
Appreciation
Refunding
Series
2010B-1
:
12,500
0.000%,
6/15/44
-
AGM
Insured
No
Opt.
Call
5,206,082
4,545
0.000%,
6/15/45
-
AGM
Insured
No
Opt.
Call
1,794,619
Northern
Illinois
University,
Auxiliary
Facilities
System
Revenue
Bonds,
Series
2021
:
425
4.000%,
10/01/39
-
BAM
Insured
4/31
at
100.00
423,223
800
4.000%,
10/01/40
-
BAM
Insured
4/31
at
100.00
787,996
700
4.000%,
10/01/41
-
BAM
Insured
4/31
at
100.00
684,163
Sales
Tax
Securitization
Corporation,
Illinois,
Sales
Tax
Securitzation
Bonds,
Second
Lien
Series
2020A
:
150
4.000%,
1/01/38
1/30
at
100.00
151,321
120
4.000%,
1/01/39
1/30
at
100.00
120,410
1,000
(e)
Yorkville
United
City
Business
District,
Illinois,
Storm
Water
and
Water
Improvement
Project
Revenue
Bonds,
Series
2007,
4.800%,
1/01/26
8/24
at
100.00
420,000
789
(e)
Yorkville
United
City,
Kendall
County,
Illinois,
Sales
Tax
Revenue
Bonds,
Kendall
Marketplace
Project,
Series
2007,
6.000%,
1/01/26
8/24
at
100.00
788,656
680
Yorkville,
Illinois,
Special
Tax
Bonds,
Special
Service
Area
2006-113
Cannoball
&
Beecher,
Series
2007,
5.750%,
3/01/28
9/24
at
100.00
679,973
TOTAL
ILLINOIS
102,241,036
INDIANA
-
1.7%
(1.0%
of
Total
Investments)
140
(c)
Anderson,
Indiana,
Multifamily
Housing
Revenue
Bonds,
Sweet
Galilee
at
the
Wigwam
Project,
Series
2020A,
5.375%,
1/01/40
1/27
at
102.00
117,233
3,105
Indiana
Finance
Authority,
Educational
Facilities
Revenue
Bonds,
Earlham
College,
Refunding
Series
2013A,
5.000%,
10/01/32
9/24
at
100.00
3,105,074
500
Indiana
Finance
Authority,
Environmental
Improvement
Revenue
Bonds,
United
States
Steel
Corporation
Project,
Series
2020,
6.750%,
5/01/39,
(AMT)
11/30
at
100.00
563,554
Indianapolis
Local
Public
Improvement
Bond
Bank,
Indiana,
Revenue
Bonds,
Convention
Center
Hotel
Senior
Series
2023E
:
1,005
6.000%,
3/01/53
3/33
at
100.00
1,110,096
1,000
6.125%,
3/01/57
3/33
at
100.00
1,104,388
1,000
Indianapolis
Local
Public
Improvement
Bond
Bank,
Indiana,
Revenue
Bonds,
Convention
Center
Hotel
Subordinate
Series
2023F-1,
7.750%,
3/01/67
3/33
at
100.00
1,080,734
Valparaiso,
Indiana,
Exempt
Facilities
Revenue
Bonds,
Pratt
Paper
LLC
Project,
Refunding
Series
2024
:
2,260
(c)
4.875%,
1/01/44,
(AMT)
1/34
at
100.00
2,336,667
1,675
(c)
5.000%,
1/01/54,
(AMT)
1/34
at
100.00
1,734,742
TOTAL
INDIANA
11,152,488
IOWA
-
0.6%
(0.3%
of
Total
Investments)
2,540
Iowa
Finance
Authority,
Iowa,
Midwestern
Disaster
Area
Revenue
Bonds,
Alcoa
Inc.
Project,
Series
2012,
4.750%,
8/01/42
9/24
at
100.00
2,539,910
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
10
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
IOWA
(continued)
$
1,100
Iowa
Finance
Authority,
Iowa,
Midwestern
Disaster
Area
Revenue
Bonds,
Iowa
Fertilizer
Company
Project,
Refunding
Series
2022,
5.000%,
12/01/50
12/29
at
103.00
$
1,168,429
TOTAL
IOWA
3,708,339
KANSAS
-
1.5%
(0.9%
of
Total
Investments)
2,000
Wichita,
Kansas,
Health
Care
Facilities
Revenue
Bonds,
Presbyterian
Manors,
Series
2013IV-A,
6.500%,
5/15/48
9/24
at
100.00
1,920,391
1,365
Wyandotte
County-Kansas
City
Unified
Government,
Kansas,
Sales
Tax
Special
Obligation
Bonds,
Vacation
Village
Project
Area
1
and
2A,
Series
2015,
5.750%,
9/01/32
9/25
at
100.00
1,297,803
6,475
(c)
Wyandotte
County-Kansas
City
Unified
Government,
Kansas,
Sales
Tax
Special
Obligation
Bonds,
Village
East
Project
Areas
2B
3
and
5,
Series
2022,
5.750%,
3/01/41
3/29
at
103.00
6,620,725
TOTAL
KANSAS
9,838,919
KENTUCKY
-
0.4%
(0.2%
of
Total
Investments)
2,500
Henderson,
Kentucky,
Facilities
Revenue
Bonds,
Pratt
Paper
LLC
Project,
Series
2022A,
4.700%,
1/01/52,
(AMT)
1/32
at
100.00
2,469,522
TOTAL
KENTUCKY
2,469,522
LOUISIANA
-
1.8%
(1.1%
of
Total
Investments)
1,000
Louisiana
Local
Government
Environmental
Facilities
and
Community
Development
Authority,
Louisiana,
Revenue
Bonds,
Entergy
Lousiana,
LLC
Project,
Refunding
Series
2021B,
2.500%,
4/01/36
4/26
at
100.00
837,685
945
(c)
Louisiana
Local
Government
Environmental
Facilities
and
Community
Development
Authority,
Louisiana,
Revenue
Bonds,
Jefferson
Parish
GOMESA
Project,
Series
2019,
4.000%,
11/01/44
11/29
at
100.00
886,177
260
(c)
Louisiana
Publc
Facilities
Authority,
Lousiana,
Revenue
Bonds,
Lake
Charles
College
Prep
Project,
Series
2019A,
5.000%,
6/01/58
6/27
at
100.00
233,532
Louisiana
Publc
Facilities
Authority,
Lousiana,
Revenue
Bonds,
Young
Audiences
Charter
School,
Series
2019A
:
1,800
(c)
5.000%,
4/01/49
4/27
at
100.00
1,597,104
2,000
(c)
5.000%,
4/01/57
4/27
at
100.00
1,724,989
2,500
Louisiana
Public
Facilities
Authority,
Louisiana,
Revenue
Bonds,
Loyola
University
of
New
Orleans
Project,
Refunding
Series
2023A,
5.250%,
10/01/53
4/33
at
100.00
2,610,162
Louisiana
Public
Facilities
Authority,
Louisiana,
Revenue
Bonds,
Tulane
University,
Refunding
Series
2020A
:
235
(i)
4.000%,
4/01/50,
(Pre-refunded
4/01/30)
4/30
at
100.00
247,082
15
4.000%,
4/01/50
4/30
at
100.00
14,612
500
(c)
Plaquemines
Port,
Harbor
and
Terminal
District,
Louisiana,
Facilities
Revenue
Bonds,
NOLA
Terminal
LLC
Project
Dock
and
Wharf
Series
2024A,
9.000%,
12/01/44
12/34
at
100.00
498,966
200
(c)
Saint
James
Parish,
Louisiana,
Revenue
Bonds,
NuStar
Logistics,
L.P.
Project,
Series
2008,
6.100%,
6/01/38,
(Mandatory
Put
6/01/30)
No
Opt.
Call
222,196
1,235
(c)
Saint
James
Parish,
Louisiana,
Revenue
Bonds,
NuStar
Logistics,
L.P.
Project,
Series
2010,
6.350%,
7/01/40
6/30
at
100.00
1,364,307
800
(c)
Saint
James
Parish,
Louisiana,
Revenue
Bonds,
NuStar
Logistics,
L.P.
Project,
Series
2010A,
6.350%,
10/01/40
6/30
at
100.00
883,762
695
(c)
Saint
James
Parish,
Louisiana,
Revenue
Bonds,
NuStar
Logistics,
L.P.
Project,
Series
2010B,
6.100%,
12/01/40,
(Mandatory
Put
6/01/30)
No
Opt.
Call
774,044
TOTAL
LOUISIANA
11,894,618
11
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
MARYLAND
-
0.9%
(0.5%
of
Total
Investments)
Baltimore,
Maryland,
Convention
Center
Hotel
Revenue
Bonds,
Refunding
Series
2017
:
$
1,000
5.000%,
9/01/36
9/27
at
100.00
$
980,160
1,000
5.000%,
9/01/39
9/27
at
100.00
974,251
2,015
(c)
Frederick
County,
Maryland,
Special
Tax
Limited
Obligation
Bonds,
Jefferson
Technology
Park
Project,
Refunding
Series
2020A,
5.000%,
7/01/43
7/30
at
102.00
2,039,175
2,000
(c)
Prince
George's
County,
Maryland,
Special
Obligation
Bonds,
Westphalia
Town
Center
Project,
Series
2018,
5.250%,
7/01/48
7/28
at
100.00
2,022,491
TOTAL
MARYLAND
6,016,077
MASSACHUSETTS
-
0.5%
(0.3%
of
Total
Investments)
3,900
Massachusetts
Development
Finance
Agency
Revenue
Bonds,
Lawrence
General
Hospital
Issue,
Series
2017,
5.000%,
7/01/47
7/27
at
100.00
3,358,637
TOTAL
MASSACHUSETTS
3,358,637
MICHIGAN
-
0.9%
(0.5%
of
Total
Investments)
1,845
Advanced
Technology
Academy,
Michigan,
Public
School
Academy
Revenue
Bonds,
Refunding
Series
2019,
5.000%,
11/01/44
11/27
at
102.00
1,814,863
74,130
Michigan
Tobacco
Settlement
Finance
Authority,
Tobacco
Settlement
Asset-Backed
Revenue
Bonds,
Capital
Appreciation
Turbo
Term
Series
2008C,
0.000%,
6/01/58
6/33
at
11.41
2,260,928
1,810
(c)
Warren
Academy,
Macomb
County,
Michigan,
Revenue
Bonds,
Public
School
Academy,
Refunding
Series
2020A,
5.500%,
5/01/50
5/27
at
100.00
1,730,696
TOTAL
MICHIGAN
5,806,487
MINNESOTA
-
1.0%
(0.6%
of
Total
Investments)
500
Bethel,
Minnesota
Charter
School
Lease
Revenue
Bonds,
Partnership
Academy
Project,
Series
2018A,
5.000%,
7/01/53
7/26
at
102.00
442,937
1,300
Brooklyn
Park,
Minnesota,
Charter
School
Lease
Revenue
Bonds,
Athlos
Leadership
Academy
Project,
Series
2015A,
5.750%,
7/01/46
7/25
at
100.00
1,211,199
2,440
Columbia
Heights,
Minnesota,
Charter
School
Lease
Revenue
Bonds,
Prodeo
Academy
Project,
Series
2019A,
5.000%,
7/01/54
7/27
at
102.00
2,212,183
130
(c)
Minneapolis,
Minnesota,
Charter
School
Lease
Revenue
Bonds,
Friendship
Academy
of
the
Arts
Project,
Series
2019A,
5.250%,
12/01/52
12/27
at
100.00
114,699
30
Minneapolis,
Minnesota,
Charter
School
Lease
Revenue
Bonds,
Northeast
College
Prep
Project,
Series
2020A,
5.000%,
7/01/40
7/30
at
100.00
27,468
2,040
(c)
Saint
Cloud,
Minnesota,
Charter
School
Lease
Revenue
Bonds,
Athlos
Academy,
Series
2022A,
5.875%,
6/01/57
6/30
at
102.00
1,672,800
1,000
Scanlon,
Minnesota,
Health
Care
Facilities
Revenue
Bonds,
Duluth
Health
Services
Project,
Refunding
Series
2020,
3.950%,
3/01/50
3/25
at
101.00
715,162
TOTAL
MINNESOTA
6,396,448
MISSISSIPPI
-
0.3%
(0.2%
of
Total
Investments)
2,285
Mississippi
Hospital
Equipment
and
Facilities
Authority,
Revenue
Bonds,
Baptist
Memorial
Healthcare,
Series
2016A,
5.000%,
9/01/46
9/26
at
100.00
2,301,454
TOTAL
MISSISSIPPI
2,301,454
MISSOURI
-
1.2%
(0.7%
of
Total
Investments)
315
Boone
County,
Missouri,
Hospital
Revenue
Bonds,
Boone
Hospital
Center,
Refunding
Series
2016,
4.000%,
8/01/38
8/26
at
100.00
226,257
Kirkwood
Industrial
Development
Authority,
Missouri,
Retirement
Community
Revenue
Bonds,
Aberdeen
Heights
Project,
Refunding
Series
2017A
:
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
12
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
MISSOURI
(continued)
$
2,900
5.250%,
5/15/42
5/27
at
100.00
$
2,643,184
1,750
5.250%,
5/15/50
5/27
at
100.00
1,503,199
3,500
(c)
Land
Clearance
for
Redevelopment
Authority
of
Kansas
City,
Missouri,
Project
Revenue
Bonds,
Convention
Center
Hotel
Project
-
TIF
Financing,
Series
2018B,
5.000%,
2/01/50
2/28
at
100.00
3,354,778
TOTAL
MISSOURI
7,727,418
NEVADA
-
0.5%
(0.3%
of
Total
Investments)
8,454
(c),(e)
Director
of
Nevada
State
Department
of
Business
&
Industry,
Environmental
Improvement
Revenue
Bonds,
Fulcrum
Sierra
BioFuels
LLC
Project,
Green
Series
2018,
0.000%,
2/15/38,
(AMT)
8/28
at
100.00
34,664
1,843
(c),(e)
Director
of
Nevada
State
Department
of
Business
&
Industry,
Environmental
Improvement
Revenue
Bonds,
Fulcrum
Sierra
BioFuels
LLC
Project,
Green
Series
2020,
0.000%,
2/15/38
2/31
at
100.00
7,555
Director
of
Nevada
State
Department
of
Business
&
Industry,
Environmental
Improvement
Revenue
Bonds,
Fulcrum
Sierra
BioFuels
LLC
Project,
Series
2017
:
1,603
(c),(e),(f)
5.875%,
12/15/27,
(AMT)
No
Opt.
Call
133,051
330
(c),(e),(f)
6.250%,
12/15/37,
(AMT)
12/27
at
100.00
27,391
2,530
(c),(e)
Director
of
Nevada
State
Department
of
Business
&
Industry,
Environmental
Improvement
Revenue
Bonds,
Fulcrum
Sierra
Holdings
LLC,
Green
Series
2019,
0.000%,
2/15/38,
(AMT)
8/29
at
100.00
10,374
22,000
(c)
Reno,
Nevada,
Subordinate
Lien
Sales
Tax
Revenue
Refunding
Capital
Appreciation
Bonds,
ReTrac-Reno
Transporation
Rail
Access
Corridor
Project,
Series
2018C,
0.000%,
7/01/58
7/38
at
31.26
3,115,789
TOTAL
NEVADA
3,328,824
NEW
HAMPSHIRE
-
0.6%
(0.4%
of
Total
Investments)
3,970
(c)
National
Finance
Authority,
New
Hampshire,
Resource
Recovery
Revenue
Bonds,
Covanta
Project,
Refunding
Series
2018C,
4.875%,
11/01/42,
(AMT)
9/24
at
100.00
3,827,859
TOTAL
NEW
HAMPSHIRE
3,827,859
NEW
JERSEY
-
3.5%
(2.1%
of
Total
Investments)
4,000
(c)
New
Jersey
Economic
Development
Authority
Revenue
Bonds,
Black
Horse
EHT
Urban
Renewal
LLC
Project,
Series
2019A,
5.000%,
10/01/39
10/27
at
102.00
2,931,280
1,500
New
Jersey
Economic
Development
Authority,
Fixed
Rate
Revenue
Bonds,
Lions
Gate
Project,
Series
2014,
5.000%,
1/01/34
9/24
at
100.00
1,500,061
5,475
(c),(e)
New
Jersey
Economic
Development
Authority,
Revenue
Bonds,
White
Horse
HMT
Urban
Renewal
LLC
Project,
Series
2020,
5.000%,
1/01/40
1/28
at
102.00
3,772,594
6,460
New
Jersey
Economic
Development
Authority,
Special
Facilities
Revenue
Bonds,
Continental
Airlines
Inc.,
Refunding
Series
2012,
5.750%,
9/15/27,
(AMT)
9/24
at
100.00
6,465,466
15,000
New
Jersey
Transportation
Trust
Fund
Authority,
Transportation
System
Bonds,
Series
2009A,
0.000%,
12/15/39
No
Opt.
Call
8,149,077
500
South
Jersey
Port
Corporation,
New
Jersey,
Marine
Terminal
Revenue
Bonds,
Subordinate
Series
2017B,
5.000%,
1/01/42,
(AMT)
1/28
at
100.00
513,739
TOTAL
NEW
JERSEY
23,332,217
NEW
MEXICO
-
0.1%
(0.1%
of
Total
Investments)
825
(c)
Winrock
Town
Center
Tax
Increment
Development
District
1,
Albuquerque,
New
Mexico,
Gross
Receipts
Tax
Increment
Bonds,
Subordinate
Lien
Series
2020,
8.000%,
5/01/40
9/24
at
103.00
800,443
TOTAL
NEW
MEXICO
800,443
13
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
NEW
YORK
-
11.3%
(6.8%
of
Total
Investments)
$
250
Babylon
Local
Development
Corporation
II,
New
York,
Education
Revenue
Bonds,
The
Academy
Charter
School
Project,
Series
2023A,
5.750%,
2/01/33
No
Opt.
Call
$
259,003
950
Build
New
York
City
Resource
Corporation,
New
York,
Revenue
Bonds,
Metropolitan
College
of
New
York,
Series
2014,
5.250%,
11/01/34
11/24
at
100.00
570,000
2,910
(c)
Build
NYC
Resource
Corporation,
New
York,
Revenue
Bonds,
Family
Life
Academy
Charter
School,
Series
2020A-1,
5.500%,
6/01/55
12/30
at
100.00
2,737,454
1,590
(c)
Build
NYC
Resource
Corporation,
New
York,
Revenue
Bonds,
Family
Life
Academy
Charter
School,
Series
2020C-1,
5.000%,
6/01/55
12/30
at
100.00
1,383,669
36,150
(c)
Erie
County
Tobacco
Asset
Securitization
Corporation,
New
York,
Tobacco
Settlement
Asset-Backed
Bonds,
Series
2006A,
0.000%,
6/01/60
9/24
at
6.83
1,716,937
5,000
Glen
Cove
Local
Economic
Assistance
Corporation,
New
York,
Revenue
Bonds,
Garvies
Point
Public
Improvement
Project,
Capital
Appreciation
Series
2016B,
0.000%,
1/01/45
No
Opt.
Call
1,366,390
18,500
Glen
Cove
Local
Economic
Assistance
Corporation,
New
York,
Revenue
Bonds,
Garvies
Point
Public
Improvement
Project,
Capital
Appreciation
Series
2016C,
5.625%,
1/01/55
1/34
at
100.00
16,871,813
650
Hempstead
Town
Local
Development
Corporation,
New
York,
Education
Revenue
Bonds,
The
Academy
Charter
School
Project,
Series
2020A,
5.730%,
2/01/50
2/30
at
100.00
618,287
1,570
Metropolitan
Transportation
Authority,
New
York,
Transportation
Revenue
Bonds,
Green
Climate
Bond
Certified
Series
2020C-1,
5.250%,
11/15/55
5/30
at
100.00
1,654,626
380
(c)
Monroe
County
Industrial
Development
Corporation,
New
York,
Revenue
Bonds,
Academy
of
Health
Sciences
Charter
School
Project,
Social
Impact
Series
2022,
5.875%,
7/01/52
7/32
at
100.00
390,744
625
New
York
Counties
Tobacco
Trust
VI,
New
York,
Tobacco
Settlement
Pass-
Through
Bonds,
Turbo
Term
Series
2016A.
Including
2016A-1,
2016A-2A
and
2016A-2B,
5.000%,
6/01/45
6/26
at
100.00
592,417
1,740
New
York
Transportation
Development
Corporation,
New
York,
Special
Facilities
Bonds,
LaGuardia
Airport
Terminal
B
Redevelopment
Project,
Series
2016A,
5.250%,
1/01/50,
(AMT)
9/24
at
100.00
1,739,945
3,000
New
York
Transportation
Development
Corporation,
New
York,
Special
Facility
Revenue
Bonds,
American
Airlines,
Inc.
John
F
Kennedy
International
Airport
Project,
Refunding
Series
2016,
5.000%,
8/01/31,
(AMT)
8/24
at
100.00
3,000,665
875
New
York
Transportation
Development
Corporation,
New
York,
Special
Facility
Revenue
Bonds,
American
Airlines,
Inc.
John
F
Kennedy
International
Airport
Project,
Series
2020,
5.375%,
8/01/36,
(AMT)
8/30
at
100.00
932,070
1,500
New
York
Transportation
Development
Corporation,
New
York,
Special
Facility
Revenue
Bonds,
New
Terminal
1
John
F
Kennedy
International
Airport
Project,
Green
Series
2023,
5.375%,
6/30/60,
(AMT)
6/31
at
100.00
1,560,346
4,900
New
York
Transportation
Development
Corporation,
Special
Facility
Revenue
Bonds,
Delta
Air
Lines,
Inc.
-
LaGuardia
Airport
Terminals
C&D
Redevelopment
Project,
Series
2023,
5.625%,
4/01/40,
(AMT)
4/31
at
100.00
5,302,043
10,000
Suffolk
Tobacco
Asset
Securitization
Corporation,
New
York,
Tobacco
Settlement
Asset-Backed
Bonds,
Series
2021B-2,
0.000%,
6/01/66
6/31
at
27.72
1,008,349
Syracuse
Industrial
Development
Authority,
New
York,
PILOT
Revenue
Bonds,
Carousel
Center
Project,
Refunding
Series
2016A
:
2,950
5.000%,
1/01/32,
(AMT)
1/26
at
100.00
2,251,562
4,000
5.000%,
1/01/33,
(AMT)
1/26
at
100.00
3,049,589
3,320
5.000%,
1/01/35,
(AMT)
1/26
at
100.00
2,529,290
2,775
5.000%,
1/01/36,
(AMT)
1/26
at
100.00
2,114,244
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
14
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
NEW
YORK
(continued)
$
22,700
TSASC
Inc.,
New
York,
Tobacco
Asset-Backed
Bonds,
Series
2006,
5.000%,
6/01/48
6/27
at
100.00
$
20,181,142
3,000
(c)
Westchester
County
Local
Development
Corporation,
New
York,
Revenue
Bond,
Purchase
Senior
Learning
Community,
Inc.
Project,
Accd
Inv
Series
2021A,
5.000%,
7/01/36
7/27
at
104.00
3,104,420
TOTAL
NEW
YORK
74,935,005
OHIO
-
7.5%
(4.5%
of
Total
Investments)
29,235
Buckeye
Tobacco
Settlement
Financing
Authority,
Ohio,
Tobacco
Settlement
Asset-Backed
Revenue
Bonds,
Refunding
Senior
Lien
Capital
Appreciation
Series
2020B-3
Class
2,
0.000%,
6/01/57
6/30
at
22.36
2,750,373
195
Buckeye
Tobacco
Settlement
Financing
Authority,
Ohio,
Tobacco
Settlement
Asset-Backed
Revenue
Bonds,
Refunding
Senior
Lien
Series
2020A-2
Class
1,
3.000%,
6/01/48
6/30
at
100.00
149,874
9,450
Buckeye
Tobacco
Settlement
Financing
Authority,
Ohio,
Tobacco
Settlement
Asset-Backed
Revenue
Bonds,
Refunding
Senior
Lien
Series
2020B-2
Class
2,
5.000%,
6/01/55
6/30
at
100.00
8,764,502
2,610
Cleveland,
Ohio,
Airport
Special
Revenue
Bonds,
Continental
Airlines
Inc.
Project,
Series
1998,
5.375%,
9/15/27,
(AMT)
9/24
at
100.00
2,611,102
1,275
County
of
Lucas,
Ohio,
Hospital
Revenue
Bonds,
ProMedica
Healthcare
Obligated
Group,
Series
2018A,
5.250%,
11/15/48
11/28
at
100.00
1,304,236
Evans
Farm
New
Communty
Authority,
Ohio,
Community
Development
Charge
Revenue
Bonds,
Evans
Farm
Mixed-Use
Project,
Series
2020
:
2,170
3.750%,
12/01/38
6/29
at
100.00
1,827,471
140
4.000%,
12/01/46
6/29
at
100.00
114,004
880
(c)
Hilliard
Hickory
Chase
Community
Authority,
Ohio,
Infustructure
Improvement
Revenue
Bonds,
Hickory
Chase
Project,
Senior
Series
2019A,
5.000%,
12/01/40
12/29
at
100.00
824,249
Muskingum
County,
Ohio,
Hospital
Facilities
Revenue
Bonds,
Genesis
HealthCare
System
Obligated
Group
Project,
Series
2013
:
2,000
5.000%,
2/15/44
9/24
at
100.00
1,966,513
3,000
5.000%,
2/15/48
9/24
at
100.00
2,890,562
8,450
(c)
Ohio
Air
Quality
Development
Authority,
Ohio,
Exempt
Facilities
Revenue
Bonds,
AMG
Vanadium
Project,
Series
2019,
5.000%,
7/01/49,
(AMT)
7/29
at
100.00
7,989,616
16,050
Ohio
Air
Quality
Development
Authority,
Ohio,
Pollution
Control
Revenue
Bonds,
FirstEnergy
Nuclear
Generation
Project,
Refunding
Series
2009A,
4.750%,
6/01/33,
(Mandatory
Put
6/01/22)
No
Opt.
Call
16,916,613
1,000
(c)
Ohio
Air
Quality
Development
Authority,
Ohio,
Revenue
Bonds,
Pratt
Paper
Ohio,
LLC
Project,
Series
2017,
4.500%,
1/15/48,
(AMT)
1/28
at
100.00
997,106
990
Port
of
Greater
Cincinnati
Development
Authority,
Ohio,
Special
Obligation
Tax
Increment
Financing
Revenue
Bonds,
Cooperative
Township
Public
Parking
Project,
Gallery
at
Kenwood,
Senior
Lien
Series
2019A,
5.000%,
11/01/51
11/30
at
100.00
841,350
TOTAL
OHIO
49,947,571
OKLAHOMA
-
1.2%
(0.8%
of
Total
Investments)
Oklahoma
Development
Finance
Authority,
Health
System
Revenue
Bonds,
OU
Medicine
Project,
Series
2018B
:
975
5.000%,
8/15/38
8/28
at
100.00
1,000,902
1,000
5.250%,
8/15/48
8/28
at
100.00
1,020,656
2,685
5.500%,
8/15/57
8/28
at
100.00
2,762,501
1,000
Tulsa
County
Industrial
Authority,
Oklahoma,
Senior
Living
Community
Revenue
Bonds,
Montereau,
Inc
Project,
Refunding
Series
2017,
5.250%,
11/15/45
11/25
at
102.00
1,008,322
15
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
OKLAHOMA
(continued)
$
2,475
Tulsa
Municipal
Airport
Trust,
Oklahoma,
Revenue
Bonds,
American
Airlines
Inc.,
Refunding
Series
2000B,
5.500%,
6/01/35,
(AMT)
9/24
at
100.00
$
2,477,334
TOTAL
OKLAHOMA
8,269,715
OREGON
-
0.6%
(0.4%
of
Total
Investments)
3,355
(c)
Oregon
Facilities
Authority
Charter
School
Revenue
Bonds,
Oregon,
Portland
Village
School
Project,
Series
2024,
6.750%,
12/15/54
12/34
at
100.00
3,375,739
100
(c)
Oregon
Facilities
Authority,
Revenue
Bonds,
Metro
East
Web
Academy
Project,
Series
2019A,
5.000%,
6/15/49
6/27
at
102.00
94,164
1,000
Yamhill
County
Hospital
Authority,
Oregon,
Revenue
Bonds,
Friendsview
Retirement
Community,
Refunding
Series
2021A,
5.000%,
11/15/56
11/28
at
103.00
798,388
TOTAL
OREGON
4,268,291
PENNSYLVANIA
-
3.0%
(1.8%
of
Total
Investments)
1,125
Allegheny
Country
Industrial
Development
Authority,
Pennsylvania,
Environmental
Improvement
Revenue
Bonds,
United
States
Steel
Corporation
Project,
Series
2012,
5.750%,
8/01/42,
(AMT)
9/24
at
100.00
1,125,560
325
(c)
Allentown
Neighborhood
Improvement
Zone
Development
Authority,
Pennsylvania,
Tax
Revenue
Bonds,
615
Waterfront
Project,
Senior
Series
2021,
6.000%,
5/01/42
5/31
at
100.00
343,690
3,300
Beaver
County
Industrial
Development
Authority,
Pennsylvania,
Pollution
Control
Revenue
Bonds,
FirstEnergy
Generation
Project,
Refunding
Series
2006A,
4.750%,
1/01/35,
(Mandatory
Put
7/01/33)
No
Opt.
Call
3,477,823
2,565
Berks
County
Municipal
Authority,
Pennsylvania,
Revenue
Bonds,  Alvernia
University
Project,
Series
2020,
5.000%,
10/01/49
10/29
at
100.00
2,313,712
3,100
Berks
County
Municipal
Authority,
Pennsylvania,
Revenue
Bonds,
Reading
Hospital
&
Medical
Center
Project,
Series
2012A,
5.000%,
11/01/44
8/24
at
100.00
1,984,000
4,430
Butler
County
Hospital
Authority,
Pennsylvania,
Hospital
Revenue
Bonds,
Butler
Health
System
Project,
Series
2015A,
5.000%,
7/01/35
7/25
at
100.00
4,432,996
1,000
Chester
County
Health
and
Education
Facilities
Authority,
Pennsylvania,
Revenue
Bonds,
Simpson
Senior
Services
Project,
Series
2015A,
5.000%,
12/01/30
12/25
at
100.00
885,838
2,350
Dallas
Area
Municipal
Authority,
Pennsylvania,
Revenue
Bonds,
Misericordia
University,
Series
2014,
5.000%,
5/01/37
8/24
at
100.00
2,316,790
3,555
(c)
Dauphin
County
General
Authority,
Pennsylvania,
Revenue
Bonds,
Harrisburg
University
of
Science
&
Technology
Project,
Series
2020,
6.250%,
10/15/53
10/28
at
100.00
2,784,640
1,720
(c),(e),(f)
Pennsylvania
Economic
Development
Financing
Authority,
Exempt
Facilities
Revenue
Bonds,
KDC
Agribusiness
Fairless
Hills
LLC
Project,
Series
2020A-1,
10.000%,
12/01/40
6/30
at
100.00
172
1,720
(c),(e),(f)
Pennsylvania
Economic
Development
Financing
Authority,
Exempt
Facilities
Revenue
Bonds,
KDC
Agribusiness
Fairless
Hills
LLC
Project,
Series
2020A-2,
10.000%,
12/01/40,
(AMT)
6/30
at
100.00
172
1,260
(e),(f)
Pennsylvania
Economic
Development
Financing
Authority,
Exempt
Facilities
Revenue
Bonds,
KDC
Agribusiness
Fairless
Hills
LLC
Project,
Series
2021A,
10.000%,
12/01/31
No
Opt.
Call
126
545
(c)
Philadelphia
Authority
for
Industrial
Development,
Pennsylvania,
Revenue
Bonds,
Mariana
Bracetti
Academy
Project,
Series
2020A,
5.375%,
6/15/50
12/27
at
100.00
522,567
TOTAL
PENNSYLVANIA
20,188,086
PUERTO
RICO
-
10.0%
(6.0%
of
Total
Investments)
130
(e)
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
2007TT,
5.000%,
1/01/26
No
Opt.
Call
61,100
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
16
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
PUERTO
RICO
(continued)
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
2010AAA
:
$
1,120
(e)
5.250%,
7/01/28
9/24
at
100.00
$
529,200
4
(e)
5.250%,
7/01/28
9/24
at
100.00
1,890
465
(e)
5.250%,
7/01/29
9/24
at
100.00
219,713
3
(e)
5.250%,
7/01/29
9/24
at
100.00
1,417
345
(e)
5.250%,
7/01/31
9/24
at
100.00
163,013
1
(e)
5.250%,
7/01/31
9/24
at
100.00
472
500
(e)
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
2010CCC,
5.250%,
7/01/28
9/24
at
100.00
236,250
100
(e)
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
2010XX,
5.250%,
7/01/27
9/24
at
100.00
47,250
400
(e)
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
2010ZZ,
5.250%,
7/01/24
7/24
at
100.00
188,000
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
2013A
:
1,000
(e)
5.050%,
1/01/26
7/23
at
100.00
472,500
1,000
(e)
10.000%,
1/01/26
No
Opt.
Call
470,000
2,070
(e)
5.000%,
7/01/29
9/24
at
100.00
978,075
3
(e)
Puerto
Rico
Electric
Power
Authority,
Power
Revenue
Bonds,
Series
WW,
5.375%,
1/01/26
6/23
at
100.00
1,410
Puerto
Rico
Electric
Power
Authority,
Revenue
Bonds,
Series
2007TT
:
3,750
(e)
5.000%,
7/01/26
9/24
at
100.00
1,771,875
310
(e)
5.000%,
7/01/32
9/24
at
100.00
146,475
1,860
(e)
5.000%,
7/01/37
9/24
at
100.00
878,850
Puerto
Rico
Electric
Power
Authority,
Revenue
Bonds,
Series
2008WW
:
370
(e)
5.375%,
1/01/26
No
Opt.
Call
173,900
190
(e)
5.375%,
1/01/26
No
Opt.
Call
89,300
25
(e)
5.250%,
7/01/33
9/24
at
100.00
11,813
2,995
(e)
Puerto
Rico
Electric
Power
Authority,
Revenue
Bonds,
Series
2010CCC,
5.000%,
7/01/28
9/24
at
100.00
1,415,137
4,000
(e)
Puerto
Rico
Electric
Power
Authority,
Revenue
Bonds,
Series
2010XX,
5.250%,
7/01/35
9/24
at
100.00
1,890,000
Puerto
Rico
Electric
Power
Authority,
Revenue
Bonds,
Series
2013A
:
5,000
(e)
7.000%,
7/01/33
9/24
at
100.00
2,362,500
10,000
(e)
6.750%,
7/01/36
9/24
at
100.00
4,725,000
3,170
(e)
5.000%,
7/01/42
9/24
at
100.00
1,497,825
Puerto
Rico
Sales
Tax
Financing
Corporation,
Sales
Tax
Revenue
Bonds,
Restructured
2018A-1
:
21,502
0.000%,
7/01/46
7/28
at
41.38
7,178,800
7,550
0.000%,
7/01/51
7/28
at
30.01
1,837,767
7,500
4.750%,
7/01/53
7/28
at
100.00
7,469,309
1,829
5.000%,
7/01/58
7/28
at
100.00
1,838,604
967
Puerto
Rico,
General
Obligation
Bonds,
Clawback
Highway
Transportation
Authority
Claims
Taxable
Series
2022,
0.000%,
11/01/51
No
Opt.
Call
607,955
Puerto
Rico,
General
Obligation
Bonds,
Restructured
Series
2022A-1
:
0
(g)
5.625%,
7/01/27
No
Opt.
Call
3
240
5.750%,
7/01/31
No
Opt.
Call
265,617
23,533
0.000%,
7/01/33
7/31
at
89.94
15,876,376
0
(g)
4.000%,
7/01/37
7/31
at
103.00
368
5,182
4.000%,
7/01/41
7/31
at
103.00
4,877,810
12
4.000%,
7/01/46
7/31
at
103.00
10,696
13,065
Puerto
Rico,
General
Obligation
Bonds,
Vintage
CW
NT
Claims
Taxable
Series
2022,
0.000%,
11/01/43
No
Opt.
Call
8,018,363
TOTAL
PUERTO
RICO
66,314,633
17
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
SOUTH
CAROLINA
-
0.3%
(0.2%
of
Total
Investments)
$
600
(c)
South
Carolina
Jobs-Economic
Development
Authority,
Economic
Development
Revenue
Bonds,
Hilton
Head
Christian
Academy,
Series
2020,
5.000%,
1/01/55
1/30
at
100.00
$
538,825
1,450
(c)
South
Carolina
Jobs-Economic
Development
Authority,
Economic
Development
Revenue
Bonds,
Palmetto
Scholars
Academy
Project,
Series
2015A,
5.125%,
8/15/35
2/25
at
100.00
1,418,967
TOTAL
SOUTH
CAROLINA
1,957,792
TENNESSEE
-
1.2%
(0.7%
of
Total
Investments)
1,000
(c)
Bristol
Industrial
Development
Board,
Tennessee,
State
Sales
Tax
Revenue
Bonds,
Pinnacle
Project,
Capital
Appreciation
Series
2016B,
0.000%,
12/01/31
No
Opt.
Call
660,499
5,000
(c)
Bristol
Industrial
Development
Board,
Tennessee,
State
Sales
Tax
Revenue
Bonds,
Pinnacle
Project,
Series
2016A,
5.125%,
12/01/42
12/26
at
100.00
4,768,130
1,000
(e)
Memphis/Shelby
County
Economic
Development
Growth
Engine
Industrial
Development
Board,
Tennessee,
Tax
Increment
Revenue
Bonds,
Graceland
Project,
Senior
Series
2017A,
5.625%,
1/01/46
7/27
at
100.00
686,293
2,000
The
Tennessee
Energy
Acquisition
Corporation,
Gas
Revenue
Bonds,
Series
2006B,
5.625%,
9/01/26
No
Opt.
Call
2,070,882
TOTAL
TENNESSEE
8,185,804
TEXAS
-
5.8%
(3.5%
of
Total
Investments)
Austin
Convention
Enterprises
Inc.,
Texas,
Convention
Center
Hotel
Revenue
Bonds,
Refunding
First
Tier
Series
2017A
:
500
5.000%,
1/01/31
1/27
at
100.00
505,849
500
5.000%,
1/01/32
1/27
at
100.00
505,507
Austin
Convention
Enterprises
Inc.,
Texas,
Convention
Center
Hotel
Revenue
Bonds,
Refunding
Second
Tier
Series
2017B
:
340
5.000%,
1/01/25
No
Opt.
Call
339,670
475
5.000%,
1/01/29
1/27
at
100.00
473,882
850
5.000%,
1/01/34
1/27
at
100.00
841,769
3,000
Clifton
Higher
Education
Finance
Corporation,
Texas,
Education
Revenue
Bonds,
Uplift
Education
Charter
School,
Series
2015A,
5.000%,
12/01/45
6/25
at
100.00
3,004,843
2,065
Conroe
Local
Government
Corporation,
Texas,
Hotel
Revenue
Bonds,
Conroe
Convention
Center
Hotel,
Second-Lien
Series
2021B,
5.000%,
10/01/50
10/31
at
100.00
1,676,236
1,350
(c)
Fate,
Rockwall
County,
Texas,
Special
Assessment
Revenue
Bonds,
Monterra
Public
Improvement
District
Improvement
Area
2,
Series
2024,
5.750%,
8/15/54
8/34
at
100.00
1,361,593
4,665
Houston,
Texas,
Airport
System
Special
Facilities
Revenue
Bonds,
Continental
Airlines
Inc.
-
Terminal
Improvement
Project,
Refunding
Series
2011,
6.500%,
7/15/30,
(AMT)
9/24
at
100.00
4,671,992
520
(c)
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Education
Revenue
Bonds,
Beta
Academy,
Series
2019A,
5.000%,
8/15/49
9/24
at
100.00
504,811
70
(e)
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Retirement
Facility
Revenue
Bonds,
Buckingham
Senior
Living
Community,
Inc.
Project,
Series
2021A-1,
7.500%,
11/15/37
No
Opt.
Call
54,206
445
(e)
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Retirement
Facility
Revenue
Bonds,
Buckingham
Senior
Living
Community,
Inc.
Project,
Series
2021A-2,
7.500%,
11/15/36
No
Opt.
Call
369,736
4,127
(e)
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Retirement
Facility
Revenue
Bonds,
Buckingham
Senior
Living
Community,
Inc.
Project,
Series
2021B,
5.625%,
11/15/61
11/26
at
105.00
1,580,545
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
18
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
TEXAS
(continued)
$
12,525
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Senior
Living
Revenue
Bonds,
Sanctuary
LTC
LLC
Project,
Series
2021A-1,
5.500%,
1/01/57
1/28
at
103.00
$
11,960,422
625
(i)
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Student
Housing
Revenue
Bonds,
CHF-Collegiate
Housing
Corpus
Christi
II,
L.L.C.-Texas
A&M
University-Corpus
Christi
Project,
Series
2016A,
5.000%,
4/01/48,
(Pre-refunded
4/01/26)
4/26
at
100.00
643,120
5,000
(e)
New
Hope
Cultural
Education
Facilities
Finance
Corporation,
Texas,
Student
Housing
Revenue
Bonds,
NCCD
-
College
Station
Properties
LLC
-
Texas
A&M
University
Project,  Series
2015A,
5.000%,
7/01/35
7/25
at
100.00
4,862,500
110
(c)
North
Richland
Hills,
Texas,
Special
Assessment
Revenue
Bonds,
City
Point
Public
Improvement
District
Zone
B
Project,
Series
2019,
5.375%,
9/01/50
9/30
at
100.00
110,827
2,000
(c)
Rockdale,
Milam
County,
Texas,
Special
Assessment
Revenue
Bonds,
Cornerstone
Public
Improvement
District
Improvement
Area
1,
Series
2023,
7.500%,
9/15/54
9/33
at
100.00
2,098,431
Tarrant
County
Cultural
Education
Facilities
Finance
Corporaton,
Texas,
Retirement
Facility
Revenue
Bonds,
C.C.
Young
Memorial
Home
Project,
Series
2016A
:
1,000
(e)
0.000%,
2/15/41
2/27
at
100.00
550,000
4,575
(e)
0.000%,
2/15/48
2/27
at
100.00
2,516,250
TOTAL
TEXAS
38,632,189
UTAH
-
3.1%
(1.9%
of
Total
Investments)
6,000
(c)
Black
Desert
Public
Infrastructure
District,
Washington
County,
Utah,
Special
Assessment
Bonds,
Black
Desert
Assessment
Area
1,
Series
2024,
5.625%,
12/01/53
6/29
at
103.00
6,203,584
13,925
(h)
Salt
Lake
City,
Utah,
Airport
Revenue
Bonds,
International
Airport
Series
2017A,
5.000%,
7/01/42,
(AMT),
(UB)
7/27
at
100.00
14,208,992
TOTAL
UTAH
20,412,576
VIRGIN
ISLANDS
-
2.8%
(1.7%
of
Total
Investments)
670
Virgin
Islands
Public
Finance
Authority,
Gross
Receipts
Taxes
Loan
Note,
Refunding
Series
2012A,
5.000%,
10/01/32
9/24
at
100.00
646,361
15,150
(c)
Virgin
Islands
Public
Finance
Authority,
Gross
Receipts
Taxes
Loan
Note,
Refunding
Series
2014C,
5.000%,
10/01/30
10/24
at
100.00
14,924,176
150
(c)
Virgin
Islands
Public
Finance
Authority,
Gross
Receipts
Taxes
Loan
Note,
Working
Capital
Series
2014A,
5.000%,
10/01/24
No
Opt.
Call
149,881
1,735
(c)
Virgin
Islands
Water
and
Power
Authority,
Electric
System
Revenue
Bonds,
Bond
Anticipation
Notes,
Senior
Series
2021A,
6.750%,
7/01/26
No
Opt.
Call
1,683,181
1,400
(c)
West
Indian
Company
Limited,
Virgin
Islands,
Port
Facilities
Revenue
Bonds,
WICO
Financing,
Series
2022A,
6.375%,
4/01/52
10/29
at
104.00
1,351,523
TOTAL
VIRGIN
ISLANDS
18,755,122
VIRGINIA
-
2.3%
(1.4%
of
Total
Investments)
440
James
City
County
Economic
Development
Authority,
Virginia,
Residential
Care
Facility
Revenue
Bonds,
Williamsburg
Landing
Inc.,
Series
2024A,
6.750%,
12/01/53
12/30
at
103.00
484,386
4,880
Roanoke
County
Economic
Development
Authority,
Virginia,  Residential
Care
Facility
Revenue
Bonds,
Refunding
Friendship
Richfield
Living
LLC
Series
2024,
5.500%,
9/01/58,
(Mandatory
Put
9/01/35)
9/26
at
100.00
4,871,814
1,000
Virginia
Beach
Development
Authority,
Virginia,
Residential
Care
Facility
Revenue
Bonds,
Westminster
Canterbury
on
Chesapeake
Bay,
Series
2023A,
7.000%,
9/01/53
9/30
at
103.00
1,150,535
19
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
VIRGINIA
(continued)
$
641
(c)
Virginia
Small
Business
Finance
Authority,
Educational
Facilities
Revenue
Bonds,
Provident
Resource
Group
-
Rixey
Student
Housing
Project,
Series
2019B,
6.525%,
7/01/52,
(cash
7.500%,
PIK
7.500%)
No
Opt.
Call
$
384,741
8,290
(h)
Virginia
Small
Business
Financing
Authority,
Private
Activity
Revenue
Bonds,
Transform
66
P3
Project,
Senior
Lien
Series
2017,
5.000%,
12/31/56,
(AMT),
(UB)
6/27
at
100.00
8,385,895
TOTAL
VIRGINIA
15,277,371
WASHINGTON
-
0.1%
(0.1%
of
Total
Investments)
1,000
(c)
Washington
State
Housing
Finance
Commission,
Nonprofit
Housing
Revenue
Bonds,
Rockwood
Retirement
Communities
Project,
Series
2020A,
5.000%,
1/01/51
1/26
at
103.00
906,232
TOTAL
WASHINGTON
906,232
WEST
VIRGINIA
-
0.6%
(0.4%
of
Total
Investments)
625
(c)
Monongalia
County
Commission,
West
Virginia,
Special
District
Excise
Tax
Revenue
Bonds,
University
Town
Centre
Economic
Opportunity
Development
District,
Refunding
&
Improvement
Series
2017A,
5.750%,
6/01/43
6/27
at
100.00
639,177
2,770
(c)
Monongalia
County
Commission,
West
Virginia,
Special
District
Excise
Tax
Revenue
Bonds,
University
Town
Centre
Economic
Opportunity
Development
District,
Subordinate
Improvement
and
Refunding
Series
2023B,
8.000%,
6/01/53
6/28
at
29.69
625,696
2,500
(c)
Monongalia
County,
West
Virginia,
Tax
Increment
Revenue
Bonds,
University
Town
Centre
Development
District
4,
Senior
Refunding
and
Improvement
Series
2023A,
6.000%,
6/01/53
6/33
at
100.00
2,688,948
TOTAL
WEST
VIRGINIA
3,953,821
WISCONSIN
-
15.1%
(9.1%
of
Total
Investments)
Ashwaubenon
Community
Development
Authority,
Wisconsin,
Lease
Revenue
Bonds,
Brown
County
Expo
Center
Project,
Series
2019
:
3,500
0.000%,
6/01/49
6/29
at
47.10
1,117,598
14,610
0.000%,
6/01/54
6/29
at
37.80
3,604,825
Public
Finance
Authority
of
Wisconsin,
Charter
School
Revenue
Bonds,
21st
Century
Public
Academy
Project,
Series
2020A
:
750
(c)
5.000%,
6/01/40
6/28
at
102.00
702,352
1,340
(c)
5.000%,
6/01/49
6/28
at
102.00
1,183,723
365
(c)
Public
Finance
Authority
of
Wisconsin,
Charter
School
Revenue
Bonds,
Corvian
Community
School
Bonds,
North
Carolina,
Series
2019A,
5.000%,
6/15/49
6/26
at
100.00
327,216
4,420
(c)
Public
Finance
Authority
of
Wisconsin,
Charter
School
Revenue
Bonds,
Freedom
Classical
Academy
Inc.,
Series
2020A,
5.000%,
1/01/42
1/28
at
100.00
4,241,092
Public
Finance
Authority
of
Wisconsin,
Charter
School
Revenue
Bonds,
North
Carolina
Charter
Educational
Foundation
Project,
Series
2016A
:
3,000
(c)
5.000%,
6/15/36
6/26
at
100.00
2,728,368
4,240
(c)
5.000%,
6/15/46
6/26
at
100.00
3,447,564
3,315
(c)
Public
Finance
Authority
of
Wisconsin,
Charter
School
Revenue
Bonds,
Uwharrie
Charter
Academy,
North
Carolina,
Series
2022A,
5.000%,
6/15/52
6/32
at
100.00
3,275,494
1,250
(c)
Public
Finance
Authority
of
Wisconsin,
Contract
Revenue
Bonds,
Mercer
Crossing
Public
Improvement
District
Project,
Series
2017,
7.000%,
3/01/47
3/27
at
100.00
1,294,261
500
(c)
Public
Finance
Authority
of
Wisconsin,
Education
Revenue
Bonds,
Corvian
Community
School,
North
Carolina
Series
2023A,
6.250%,
6/15/48
6/33
at
100.00
516,442
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
20
NMCO
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
WISCONSIN
(continued)
$
2,000
(c),(e)
Public
Finance
Authority
of
Wisconsin,
Educational
Facilities
Revenue
Bonds,
Lake
Erie
College,
Series
2019A,
5.875%,
10/01/54
10/29
at
100.00
$
1,345,164
4,000
Public
Finance
Authority
of
Wisconsin,
Hotel
Revenue
Bonds,
Grand
Hyatt
San
Antonio
Hotel
Acquisition
Project,
Senior
Lien
Series
2022A,
5.000%,
2/01/62
2/32
at
100.00
4,078,590
Public
Finance
Authority
of
Wisconsin,
Limited
Obligation
Grant
Revenue
Bonds,
American
Dream
@
Meadowlands
Project,
Series
2017A
:
14,695
(c),(e)
6.250%,
8/01/27
No
Opt.
Call
11,462,100
2,375
(c),(e)
6.750%,
8/01/31
No
Opt.
Call
1,733,750
Public
Finance
Authority
of
Wisconsin,
Limited
Obligation
PILOT
Revenue
Bonds,
American
Dream
@
Meadowlands
Project,
Series
2017
:
555
(c)
6.750%,
12/01/42
12/27
at
100.00
555,181
19,415
(c)
7.000%,
12/01/50
12/27
at
100.00
19,418,097
2,000
(c)
Public
Finance
Authority
of
Wisconsin,
Multifamily
Housing
Revenue
Bonds,
Promenade
Apartments
Project,
Series
2024,
6.250%,
2/01/39
2/29
at
103.00
2,076,216
1,000
(c),(e)
Public
Finance
Authority
of
Wisconsin,
Revenue
Bonds,
Alabama
Proton
Therapy
Center,
Senior
Series
2017B,
8.500%,
10/01/47
10/27
at
100.00
10
1,765
Public
Finance
Authority
of
Wisconsin,
Revenue
Bonds,
Prime
Healthcare
Foundation,
Inc.,
Series
2017A,
5.200%,
12/01/37
12/27
at
100.00
1,801,021
2,000
(c)
Public
Finance
Authority
of
Wisconsin,
Revenue
Bonds,
Procure
Proton
Therapy
Center,
Senior
Series
2018A,
7.000%,
7/01/48
7/28
at
100.00
1,400,000
Public
Finance
Authority
of
Wisconsin,
Revenue
Bonds,
Roseman
University
of
Health
Sciences,
Series
2020
:
600
(c)
5.000%,
4/01/50
4/30
at
100.00
607,932
35
(c),(i)
5.000%,
4/01/50,
(Pre-refunded
4/01/30)
4/30
at
100.00
38,610
1,430
Public
Finance
Authority
of
Wisconsin,
Revenue
Bonds,
Sky
Harbour
LLC
Obligated
Group
Aviation
Facilities
Project,
Series
2021,
4.250%,
7/01/54,
(AMT)
7/31
at
100.00
1,171,528
Public
Finance
Authority
of
Wisconsin,
Senior
Revenue
Bonds,
Maryland
Proton
Treatment
Center,
Series
2018A-1
:
5,885
(c)
6.125%,
1/01/33
1/28
at
100.00
2,648,250
250
(c)
6.250%,
1/01/38
1/28
at
100.00
112,500
8,735
(c)
6.375%,
1/01/48
1/28
at
100.00
3,930,750
210
(e),(f)
Public
Finance
Authority
of
Wisconsin,
Wisconsin
Revenue
Note,
KDC
Agribusiness
LLC
Project,
Series
2022B,
15.000%,
3/31/24
4/23
at
105.00
21
2,000
(c)
Public
Finance
Authority,
Wisconsin,
Tax
Increment,
Revenue
Senior
Bonds,
Miami,
Miami
World
Center
Project,
Series
2024A,
5.000%,
6/01/41
6/29
at
103.00
2,029,169
Wisconsin
Center
District,
Dedicated
Tax
Revenue
Bonds,
Supported
by
State
Moral
Obligation
Junior
Series
2020D
:
6,225
0.000%,
12/15/45
-
AGM
Insured
12/30
at
56.77
2,329,694
5,190
0.000%,
12/15/50
-
AGM
Insured
12/30
at
46.55
1,506,261
4,500
0.000%,
12/15/60
-
AGM
Insured
12/30
at
29.95
791,320
500
Wisconsin
Health
and
Educational
Facilities
Authority,
Wisconsin,
Revenue
Bonds,
Dickson
Hollow
Phase
2
Project,
Series
2024,
6.000%,
10/01/54
10/32
at
102.00
510,634
8,385
Wisconsin
Health
and
Educational
Facilities
Authority,
Wisconsin,
Revenue
Bonds,
Marshfield
Clinic
Health
System
Inc
Series
2024A,
5.500%,
2/15/54
2/34
at
100.00
9,147,368
6,165
Wisconsin
Health
and
Educational
Facilities
Authority,
Wisconsin,
Revenue
Bonds,
Marshfield
Clinic,
Series
2016A,
5.000%,
2/15/42
2/26
at
100.00
6,194,036
21
Part
F
of
Form
N-PORT
was
prepared
in
accordance
with
U.S.
generally
accepted
accounting
principles
(“U.S.
GAAP”)
and
in
conformity
with
the
applicable
rules
and
regulations
of
the
U.S.
Securities
and
Exchange
Commission
(“SEC”)
related
to
interim
filings.
Part
F
of
Form
N-PORT
does
not
include
all
information
and
footnotes
required
by
U.S.
GAAP
for
complete
financial
statements.
Certain
footnote
disclosures
normally
included
in
financial
statements
prepared
in
accordance
with
U.S.
GAAP
have
been
condensed
or
omitted
from
this
report
pursuant
to
the
rules
of
the
SEC.
For
a
full
set
of
the
Fund’s
notes
to
financial
statements,
please
refer
to
the
Fund’s
most
recently
filed
annual
or
semi-annual
report.
Fair
Value
Measurements
The
Fund’s
investments
in
securities
are
recorded
at
their
estimated
fair
value
utilizing
valuation
methods
approved
by
the
Board
of
Directors/
Trustees.
Fair
value
is
defined
as
the
price
that
would
be
received
upon
selling
an
investment
or
transferring
a
liability
in
an
orderly
transaction
to
an
independent
buyer
in
the
principal
or
most
advantageous
market
for
the
investment.
U.S.
GAAP
establishes
the
three-tier
hierarchy
which
is
used
to
maximize
the
use
of
observable
market
data
and
minimize
the
use
of
unobservable
inputs
and
to
establish
classification
of
fair
value
measurements
for
disclosure
purposes.
Observable
inputs
reflect
the
assumptions
market
participants
would
use
in
pricing
the
asset
or
liability.
Observable
inputs
are
based
on
market
data
obtained
from
sources
independent
of
the
reporting
entity.
Unobservable
inputs
reflect
management’s
assumptions
about
the
assumptions
market
participants
would
use
in
pricing
the
asset
or
liability.
Unobservable
inputs
are
based
on
the
best
information
available
in
the
circumstances.
The
following
is
a
summary
of
the
three-tiered
hierarchy
of
valuation
input
levels.
Level
1
–
Inputs
are
unadjusted
and
prices
are
determined
using
quoted
prices
in
active
markets
for
identical
securities.
Level
2
–
Prices
are
determined
using
other
significant
observable
inputs
(including
quoted
prices
for
similar
securities,
interest
rates,
credit
spreads,
etc.).
Level
3
–
Prices
are
determined
using
significant
unobservable
inputs
(including
management’s
assumptions
in
determining
the
fair
value
of
investments).
The
following
table
summarizes
the
market
value
of
the
Fund's
investments
as
of
the
end
of
the
reporting
period,
based
on
the
inputs
used
to
value
them:
Principal
Amount
(000)
Description
(a)
Optional
Call
Provisions
(b)
Value
WISCONSIN
(continued)
$
3,000
Wisconsin
Health
and
Educational
Facilities
Authority,
Wisconsin,
Revenue
Bonds,
Saint
Camillus
Health
System
Inc,
Series
2019A,
5.000%,
11/01/46
11/26
at
103.00
$
2,677,824
TOTAL
WISCONSIN
100,004,961
TOTAL
MUNICIPAL
BONDS
(cost
$1,062,809,326)
1,041,216,240
Shares
Description
(a)
Value
X
–
COMMON
STOCKS
-
8
.9
%
(
5
.4
%
of
Total
Investments)
X
59,193,726
UTILITIES
-
8.9%
(5.4%
of
Total
Investments)
24,592
(f),(j),(k)
Vistra
Vision
LLC
$
59,193,726
TOTAL
UTILITIES
59,193,726
TOTAL
COMMON
STOCKS
(cost
$57,559,294)
59,193,726
Principal
Amount
(000)
Description
(a)
Coupon
(l)
Reference
Rate
(l)
Spread
(l)
Maturity
(m)
Value
–
VARIABLE
RATE
SENIOR
LOAN
INTERESTS
-
0
.0
%
(
0
.0
%
of
Total
Investments)
(l)
X
32
CAPITAL
GOODS
-
0.0%
(0.0%
of
Total
Investments)
$
322
(e),(f),(n)
KDC
Agribusiness
Fairless
Hills
LLC
12.000%
N/A
N/A
9/17/24
$
32
TOTAL
CAPITAL
GOODS
32
TOTAL
VARIABLE
RATE
SENIOR
LOAN
INTERESTS
(cost
$321,690)
32
TOTAL
LONG-TERM
INVESTMENTS
(cost
$1,120,690,310)
1,100,409,998
FLOATING
RATE
OBLIGATIONS
-
(3.9)%
(
26,175,000
)
MFP
SHARES,
NET
-
(62.4)%(o)
(
414,255,999
)
OTHER
ASSETS
&
LIABILITIES,
NET
-  0.6%
4,228,222
NET
ASSETS
APPLICABLE
TO
COMMON
SHARES
-
100%
$
664,207,221
Nuveen
Municipal
Credit
Opportunities
Fund
(continued)
Portfolio
of
Investments
July
31,
2024
(Unaudited)
22
NMCO
The
following
is
a
reconciliation
of
the
Fund’s
Level
3
investments
held
at
the
beginning
and
end
of
the
measurement
period:
The
valuation
techniques
and
significant
unobservable
inputs
used
in
recurring
Level
3
fair
value
measurements
of
assets
as
of
the
end
of
the
report-
ing
period,
were
as
follows:
The
table
below
presents
the
transfers
in
and
out
of
the
three
valuation
levels
for
the
Fund
as
of
the
end
of
the
reporting
period
when
compared
to
the
valuation
levels
at
the
end
of
the
previous
fiscal
year.
Changes
in
valuation
inputs
or
methodologies
may
result
in
transfers
into
or
out
of
an
assigned
level
within
the
fair
value
hierarchy.
Transfers
in
or
out
of
levels
are
generally
due
to
the
availability
of
publicly
available
information
and
to
the
significance
or
extent
the
Adviser
determines
that
the
valuation
inputs
or
methodologies
may
impact
the
valuation
of
those
securities.
Level
1
Level
2
Level
3
Total
Long-Term
Investments:
Municipal
Bonds
$
–
$
1,041,014,264
$
201,976
$
1,041,216,240
Common
Stocks
–
–
59,193,726
59,193,726
Variable
Rate
Senior
Loan
Interests
–
–
32
32
Total
$
–
$
1,041,014,264
$
59,395,734
$
1,100,409,998
Level
3
Municipals
Variable
Rate
Senior
Loan
Interests
Common
Stocks
Balance
at
the
beginning
of
period
$11,876,721
$70,482
-
Gains
(losses):
Net
realized
gains
(losses)
(20,144)
-
-
Change
in
net
unrealized
appreciation
(depreciation)
5,049,048
(70,450)
-
Purchases
at
cost
-
-
-
Sales
at
proceeds
(1,234,372)
-
-
Net
discounts
(premiums)
(69,616)
-
-
Transfers
into
-
-
59,193,726
Transfers
(out
of)
(15,399,661)
-
-
Balance
at
the
end
of
period
$201,976
$32
$59,193,726
Change
in
net
unrealized
appreciation
(depreciation)
during
the
period
of
Level
3
securities
held
as
of
period
end
$(1,177,691)
$(70,450)
$(9,034,451)
Fund
Asset
Class
Market
Value
Techniques
Unobservable
Inputs
Range
Weighted
Average
NMCO
Municipal
Bonds
$202,008
Expected
Recovery
Recovery
Proceeds
100.00%
N/A
Probability
Weighted
Expected
Recovery
Recovery
Proceeds
8.30%
N/A
Common
Stocks
59,193,726
Enterprise
Value
EBITDA
Multiples
10.00-12.00
N/A
Total
$59,395,734
Level
1
Level
2
Level
3
Transfers
In
(Transfers
Out)
Transfers
In
(Transfers
Out)
Transfers
In
(Transfers
Out)
NMCO
Common
Stocks
$-
$-
$-
$(59,193,726)
$59,193,726
$-
Municipal
Bonds
$-
$-
$15,399,661
$-
$-
$(15,399,661)
(a)
All
percentages
shown
in
the
Portfolio
of
Investments
are
based
on
net
assets
applicable
to
common
shares
unless
otherwise
noted.
(b)
Optional
Call
Provisions:
Dates
(month
and
year)
and
prices
of
the
earliest
optional
call
or
redemption.
There
may
be
other
call
provisions
at
varying
prices
at
later
dates.
Certain
mortgage-backed
securities
may
be
subject
to
periodic
principal
paydowns.
(c)
Security
is
exempt
from
registration
under
Rule
144A
of
the
Securities
Act
of
1933,
as
amended.
These
securities
are
deemed
liquid
and
may
be
resold
in
transactions
exempt
from
registration,
which
are
normally
those
transactions
with
qualified
institutional
buyers.
As
of
the
end
of
the
reporting
period,
the
aggregate
value
of
these
securities
is
$365,257,788
or
33.2%
of
Total
Investments.
(d)
Step-up
coupon
bond,
a
bond
with
a
coupon
that
increases
("steps
up"),
usually
at
regular
intervals,
while
the
bond
is
outstanding.
The
rate
shown
is
the
coupon
as
of
the
end
of
the
reporting
period.
(e)
Defaulted
security.
A
security
whose
issuer
has
failed
to
fully
pay
principal
and/or
interest
when
due,
or
is
under
the
protection
of
bankruptcy.
(f)
For
fair
value
measurement
disclosure
purposes,
investment
classified
as
Level
3.
(g)
Principal
Amount
(000)
rounds
to
less
than
$1,000.
(h)
Investment,
or
portion
of
investment,
has
been
pledged
to
collateralize
the
net
payment
obligations
for
investments
in
inverse
floating
rate
transactions.
(i)
Backed
by
an
escrow
or
trust
containing
sufficient
U.S.
Government
or
U.S.
Government
agency
securities,
which
ensure
the
timely
payment
of
principal
and
interest.
23
(j)
On
March
1,
2024,
Vistra
Corp.
(“Vistra”)
completed
its
acquisition
of
Energy
Harbor
Corp
(“ENGH”).  ENGH
has
been
merged
into
a
newly
formed
subsidiary
of
Vistra,
Vistra
Vision.  In
connection
with
the
transaction,
holders
of
ENGH
common
stock
received
a
combination
of
cash
and
membership
interests
in
Vistra
Vision.  
These
Vistra
Vision
interests
were
issued
in
a
private
transaction
and
may
have
reduced
secondary
market
liquidity.  On
September
18,
2024,
Vistra
and
Nuveen
agreed
to
terms
for
the
sale
of
the
Vistra
Vision
interest.
In
exchange
for
its
membership
interest
in
Vistra
Vision,
Nuveen
will
receive
a
series
of
cash
payments
from
Vistra
over
a
two-year
period
from
December
2024
through
December
2026.
(k)
Non-income
producing;
issuer
has
not
declared
an
ex-dividend
date
within
the
past
twelve
months.
(l)
Senior
loans
generally
pay
interest
at
rates
which
are
periodically
adjusted
by
reference
to
a
base
short-term,
floating
lending
rate
(Reference
Rate)
plus
an
assigned
fixed
rate
(Spread).
These
floating
lending
rates
are
generally
(i)
the
lending
rate
referenced
by
the
Secured
Overnight
Financing
Rate
(“SOFR”),
or
(ii)
the
prime
rate
offered
by
one
or
more
major
United
States
banks.
Senior
loans
may
be
considered
restricted
in
that
the
Fund
ordinarily
is
contractually
obligated
to
receive
approval
from
the
agent
bank
and/or
borrower
prior
to
the
disposition
of
a
senior
loan.
The
rate
shown
is
the
coupon
as
of
the
end
of
the
reporting
period.
(m)
Senior
loans
generally
are
subject
to
mandatory
and/or
optional
prepayment.
Because
of
these
mandatory
prepayment
conditions
and
because
there
may
be
significant
economic
incentives
for
a
borrower
to
prepay,
prepayments
of
senior
loans
may
occur.
As
a
result,
the
actual
remaining
maturity
of
senior
loans
held
may
be
substantially
less
than
the
stated
maturities
shown.
(n)
Senior
loan
received
as
part
of
the
bondholder
funding
agreement
during
June
2023
for
Pennsylvania
Economic
Development
Financing
Authority,
Exempt
Facilities
Revenue
Bonds,
KDC
Agribusiness
Fairless
Hills
LLC
Project,
Series
2020A-1,
10.000%,
12/01/40,
144A,
Pennsylvania
Economic
Development
Financing
Authority,
Exempt
Facilities
Revenue
Bonds,
KDC
Agribusiness
Fairless
Hills
LLC
Project,
Series
2020A-2,
10.000%,
12/01/40,
(AMT),
144A,
Pennsylvania
Economic
Development
Financing
Authority,
Exempt
Facilities
Revenue
Bonds,
KDC
Agribusiness
Fairless
Hills
LLC
Project,
Series
2021A,
10.000%,
12/01/31.
(o)
MFP
Shares,
Net
as
a
percentage
of
Total
Investments
is
37.6%.
AMT
Alternative
Minimum
Tax
N/A
Not
Applicable.
PIK
Payment-in-kind
(“PIK”)
security.  Depending
on
the
terms
of
the
security,
income
may
be
received
in
the
form
of
cash,
securities,
or
a
combination
of
both.  The
PIK
rate
shown,
where
applicable,
represents
the
annualized
rate
of
the
last
PIK
payment
made
by
the
issuer
as
of
the
end
of
the
reporting
period.
UB
Underlying
bond
of
an
inverse
floating
rate
trust
reflected
as
a
financing
transaction.
Inverse
floating
rate
trust
is
a
Recourse
Trust
unless
otherwise
noted.
WI/DD
When-issued
or
delayed
delivery
security.
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