Semi-annual Report (management Company) (nsar-a)
February 28 2013 - 2:54PM
Edgar (US Regulatory)
000 A000000 12/31/2012
000 C000000 0000867969
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 MFS INSTITUTIONAL TRUST
001 B000000 811-6174
001 C000000 6179545000
002 A000000 111 Huntington Ave.
002 B000000 BOSTON
002 C000000 MA
002 D010000 02199
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010700 7
007 C020700 MFS Institutional International Equity Fund
007 C030700 N
007 C011100 11
007 C021100 MFS Institutional Large Cap Value Fund
007 C031100 N
008 A00AA01 MASSACHUSETTS FINANCIAL SERVICES COMPANY
008 B00AA01 A
008 C00AA01 801-17352
008 D01AA01 BOSTON
008 D02AA01 MA
008 D03AA01 02199
010 A00AA01 MASSACHUSETTS FINANCIAL SERVICES
010 B00AA01 801-17352
010 C01AA01 BOSTON
010 C02AA01 MA
010 C03AA01 02199
011 A00AA01 MFS FUND DISTRIBUTORS, INC.
011 B00AA01 8-27864
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02199
012 A00AA01 MFS SERVICE CENTER, INC.
012 B00AA01 84-1316
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02199
013 A00AA01 DELOITTE & TOUCHE LLP
013 B01AA01 BOSTON
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013 B02AA01 MA
013 B03AA01 02116
015 A000701 THE BANK OF NEW YORK
015 B000701 S
015 C010701 NEW YORK
015 C020701 NY
015 C030701 10286
015 E010701 X
015 A000702 JPMORGAN CHASE BANK
015 B000702 C
015 C010702 NEW YORK
015 C020702 NY
015 C030702 10081
015 E010702 X
015 A000703 BANK OF AMERICA/MERRILL LYNCH
015 B000703 C
015 C010703 Charlotte
015 C020703 NC
015 C030703 28255
015 E010703 X
015 A001101 JPMORGAN CHASE BANK
015 B001101 C
015 C011101 NEW YORK
015 C021101 NY
015 C031101 10081
015 E011101 X
015 A001102 THE BANK OF NEW YORK
015 B001102 S
015 C011102 NEW YORK
015 C021102 NY
015 C031102 10286
015 E011102 X
015 A001103 BANK OF AMERICA/MERRILL LYNCH
015 B001103 C
015 C011103 Charlotte
015 C021103 NC
015 C031103 28255
018 00AA00 Y
019 A00AA00 N
019 B00AA00 0
020 A000001 CITIGROUP, INC.
020 B000001 13-3187336
020 C000001 246
020 A000002 MORGAN STANLEY
020 B000002 13-2655998
020 C000002 166
020 A000003 BANK OF AMERICA/MERRILL LYNCH
020 B000003 00-0000000
020 C000003 166
020 A000004 UBS AG
020 B000004 13-2638166
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020 C000004 128
020 A000005 CREDIT SUISSE GROUP
020 B000005 13-5659485
020 C000005 127
020 A000006 GOLDMAN SACHS GROUP, INC.
020 B000006 13-5108880
020 C000006 107
020 A000007 JPMORGAN CHASE & CO.
020 B000007 13-3224017
020 C000007 83
020 A000008 DEUTSCHE BANK AG
020 B000008 13-6124068
020 C000008 75
020 A000009 BARCLAYS PLC
020 C000009 32
020 A000010 MACQUARIE SECURITIES LTD.
020 B000010 00-0000000
020 C000010 32
021 000000 1263
022 A000001 UBS AG
022 B000001 13-2638166
022 C000001 10031
022 D000001 0
022 A000002 JPMORGAN CHASE & CO.
022 B000002 13-3224017
022 C000002 31
022 D000002 0
022 A000003 State Street Corp.
022 B000003 04-1867445
022 C000003 12
022 D000003 0
023 C000000 828821
023 D000000 813178
024 000700 Y
024 001100 Y
025 A000701 UBS AG
025 B000701 13-2638166
025 C000701 E
025 D000701 68111
025 A000702 BARCLAY'S INVESTMENTS, INC.
025 B000702 05-0346412
025 C000702 E
025 D000702 35649
025 A001101 JPMORGAN CHASE & CO.
025 B001101 13-3224017
025 C001101 E
025 D001101 5129
025 A001102 GOLDMAN SACHS GROUP, INC.
025 B001102 13-5108880
025 C001102 E
025 D001102 3755
|
025 A001103 State Street Corp.
025 B001103 04-1867445
025 C001103 E
025 D001103 1473
025 A001104 WELLS FARGO & CO.
025 B001104 00-0000000
025 C001104 E
025 D001104 2932
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010700 190698
028 A020700 0
028 A030700 0
028 A040700 18526
028 B010700 60606
028 B020700 0
028 B030700 0
028 B040700 28962
028 C010700 171358
028 C020700 0
028 C030700 0
028 C040700 79516
028 D010700 198681
028 D020700 0
028 D030700 0
028 D040700 40459
028 E010700 128690
028 E020700 0
028 E030700 0
028 E040700 53880
028 F010700 200077
028 F020700 52025
028 F030700 0
028 F040700 129775
028 G010700 950110
028 G020700 52025
028 G030700 0
028 G040700 351118
028 H000700 0
028 A011100 951
028 A021100 0
028 A031100 0
028 A041100 804
|
028 B011100 1309
028 B021100 0
028 B031100 0
028 B041100 1640
028 C011100 1180
028 C021100 0
028 C031100 0
028 C041100 3114
028 D011100 3100
028 D021100 0
028 D031100 0
028 D041100 2192
028 E011100 4157
028 E021100 0
028 E031100 0
028 E041100 3336
028 F011100 6034
028 F021100 3613
028 F031100 0
028 F041100 2321
028 G011100 16731
028 G021100 3613
028 G031100 0
028 G041100 13407
028 H001100 0
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 000700 N
037 001100 N
038 000700 0
038 001100 0
039 000700 N
039 001100 N
040 000700 N
040 001100 N
042 A000700 0
042 B000700 0
042 C000700 0
042 D000700 0
042 E000700 0
042 F000700 0
042 G000700 0
|
042 H000700 0
042 A001100 0
042 B001100 0
042 C001100 0
042 D001100 0
042 E001100 0
042 F001100 0
042 G001100 0
042 H001100 0
043 000700 0
043 001100 0
044 000700 0
044 001100 0
045 000700 Y
045 001100 Y
046 000700 N
046 001100 N
047 000700 Y
047 001100 Y
048 000700 0.000
048 A010700 1000000
048 A020700 0.750
048 B010700 1500000
048 B020700 0.700
048 C010700 0
048 C020700 0.000
048 D010700 0
048 D020700 0.000
048 E010700 0
048 E020700 0.000
048 F010700 0
048 F020700 0.000
048 G010700 0
048 G020700 0.000
048 H010700 0
048 H020700 0.000
048 I010700 0
048 I020700 0.000
048 J010700 0
048 J020700 0.000
048 K010700 2500000
048 K020700 0.650
048 001100 0.550
048 A011100 0
048 A021100 0.000
048 B011100 0
048 B021100 0.000
048 C011100 0
048 C021100 0.000
048 D011100 0
048 D021100 0.000
|
048 E011100 0
048 E021100 0.000
048 F011100 0
048 F021100 0.000
048 G011100 0
048 G021100 0.000
048 H011100 0
048 H021100 0.000
048 I011100 0
048 I021100 0.000
048 J011100 0
048 J021100 0.000
048 K011100 0
048 K021100 0.000
049 000700 N
049 001100 N
050 000700 N
050 001100 N
051 000700 N
051 001100 N
052 000700 N
052 001100 N
053 A000700 Y
053 B000700 Y
053 C000700 N
053 A001100 Y
053 B001100 Y
053 C001100 N
054 A00AA00 Y
054 B00AA00 N
054 C00AA00 N
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 N
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 N
055 A000700 N
055 B000700 N
055 A001100 N
055 B001100 N
056 000700 Y
056 001100 Y
057 000700 N
057 001100 N
|
058 A000700 N
058 A001100 N
059 000700 Y
059 001100 Y
060 A000700 Y
060 B000700 Y
060 A001100 Y
060 B001100 Y
061 000700 3000000
061 001100 3000000
062 A000700 N
062 B000700 0.0
062 C000700 0.0
062 D000700 0.0
062 E000700 0.0
062 F000700 0.0
062 G000700 0.0
062 H000700 0.0
062 I000700 0.0
062 J000700 0.0
062 K000700 0.0
062 L000700 0.0
062 M000700 0.0
062 N000700 0.0
062 O000700 0.0
062 P000700 0.0
062 Q000700 0.0
062 R000700 0.0
062 A001100 N
062 B001100 0.0
062 C001100 0.0
062 D001100 0.0
062 E001100 0.0
062 F001100 0.0
062 G001100 0.0
062 H001100 0.0
062 I001100 0.0
062 J001100 0.0
062 K001100 0.0
062 L001100 0.0
062 M001100 0.0
062 N001100 0.0
062 O001100 0.0
062 P001100 0.0
062 Q001100 0.0
062 R001100 0.0
063 A000700 0
063 B000700 0.0
063 A001100 0
063 B001100 0.0
066 A000700 Y
|
066 B000700 N
066 C000700 Y
066 D000700 N
066 E000700 N
066 F000700 N
066 G000700 N
066 A001100 Y
066 B001100 N
066 C001100 Y
066 D001100 N
066 E001100 N
066 F001100 N
066 G001100 N
067 000700 N
067 001100 N
068 A000700 N
068 B000700 Y
068 A001100 N
068 B001100 N
069 000700 N
069 001100 N
070 A010700 Y
070 A020700 Y
070 B010700 Y
070 B020700 N
070 C010700 Y
070 C020700 N
070 D010700 Y
070 D020700 N
070 E010700 Y
070 E020700 N
070 F010700 Y
070 F020700 N
070 G010700 Y
070 G020700 N
070 H010700 Y
070 H020700 N
070 I010700 Y
070 I020700 N
070 J010700 Y
070 J020700 N
070 K010700 Y
070 K020700 Y
070 L010700 Y
070 L020700 Y
070 M010700 Y
070 M020700 Y
070 N010700 Y
070 N020700 Y
070 O010700 Y
070 O020700 N
|
070 P010700 Y
070 P020700 Y
070 Q010700 N
070 Q020700 N
070 R010700 Y
070 R020700 N
070 A011100 Y
070 A021100 N
070 B011100 Y
070 B021100 N
070 C011100 Y
070 C021100 N
070 D011100 Y
070 D021100 N
070 E011100 Y
070 E021100 N
070 F011100 Y
070 F021100 N
070 G011100 Y
070 G021100 N
070 H011100 Y
070 H021100 N
070 I011100 Y
070 I021100 N
070 J011100 Y
070 J021100 N
070 K011100 Y
070 K021100 Y
070 L011100 Y
070 L021100 Y
070 M011100 Y
070 M021100 Y
070 N011100 Y
070 N021100 N
070 O011100 Y
070 O021100 N
070 P011100 Y
070 P021100 Y
070 Q011100 N
070 Q021100 N
070 R011100 Y
070 R021100 N
071 A000700 1002229
071 B000700 289977
071 C000700 3475017
071 D000700 7
071 A001100 17232
071 B001100 15090
071 C001100 140941
071 D001100 11
072 A000700 6
|
072 B000700 342
072 C000700 33906
072 D000700 0
072 E000700 0
072 F000700 14047
072 G000700 269
072 H000700 0
072 I000700 161
072 J000700 379
072 K000700 0
072 L000700 33
072 M000700 28
072 N000700 80
072 O000700 0
072 P000700 0
072 Q000700 0
072 R000700 26
072 S000700 22
072 T000700 0
072 U000700 0
072 V000700 0
072 W000700 51
072 X000700 15096
072 Y000700 4
072 Z000700 19156
072AA000700 67385
072BB000700 384
072CC010700 502497
072CC020700 0
072DD010700 60000
072DD020700 0
072EE000700 0
072 A001100 6
072 B001100 0
072 C001100 2050
072 D001100 0
072 E001100 0
072 F001100 398
072 G001100 15
072 H001100 0
072 I001100 6
072 J001100 11
072 K001100 0
072 L001100 3
072 M001100 3
072 N001100 10
072 O001100 0
072 P001100 0
072 Q001100 0
072 R001100 23
072 S001100 1
|
072 T001100 0
072 U001100 0
072 V001100 0
072 W001100 5
072 X001100 475
072 Y001100 5
072 Z001100 1580
072AA001100 1766
072BB001100 1148
072CC011100 8237
072CC021100 0
072DD011100 3014
072DD021100 0
072EE001100 2868
073 A010700 0.2500
073 A020700 0.0000
073 B000700 0.0000
073 C000700 0.0000
073 A011100 0.2100
073 A021100 0.0000
073 B001100 0.2000
073 C001100 0.0000
074 A000700 0
074 B000700 0
074 C000700 0
074 D000700 0
074 E000700 0
074 F000700 4590095
074 G000700 0
074 H000700 0
074 I000700 44980
074 J000700 7251
074 K000700 0
074 L000700 9901
074 M000700 119
074 N000700 4652346
074 O000700 4499
074 P000700 384
074 Q000700 0
074 R010700 0
074 R020700 0
074 R030700 0
074 R040700 11192
074 S000700 0
074 T000700 4636271
074 U010700 240901
074 U020700 0
074 V010700 19.25
074 V020700 0.00
074 W000700 0.0000
074 X000700 381
|
074 Y000700 0
074 A001100 0
074 B001100 0
074 C001100 0
074 D001100 0
074 E001100 384
074 F001100 145626
074 G001100 0
074 H001100 0
074 I001100 2133
074 J001100 0
074 K001100 0
074 L001100 380
074 M001100 2
074 N001100 148525
074 O001100 20
074 P001100 9
074 Q001100 0
074 R011100 0
074 R021100 0
074 R031100 0
074 R041100 106
074 S001100 0
074 T001100 148390
074 U011100 15271
074 U021100 0
074 V011100 9.72
074 V021100 0.00
074 W001100 0.0000
074 X001100 15
074 Y001100 0
075 A000700 0
075 B000700 3993698
075 A001100 0
075 B001100 142878
076 000700 0.00
076 001100 0.00
077 A000000 N
078 000000 N
080 C00AA00 0
081 B00AA00 0
082 B00AA00 0
083 B00AA00 0
084 B00AA00 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
|
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE KINO CLARK
TITLE ASSISTANT TREASURER
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