CUSIP
NO.
25454R207
|
13G
|
Page
2
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Investment Group, L.L.C.
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited liability company
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(1)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
OO;
HC
|
(1)
|
Based
on 30,318,331 outstanding shares of the Common Stock of Issuer, as
reported in the Issuer’s Quarterly Report of Financial Condition on Form
10-QSB for the period ended September 30, 2007, as filed with the
Securities and Exchange Commission on November 14, 2007.
|
CUSIP
NO.
25454R207
|
13G
|
Page 3
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Investment Group II, L.L.C.
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited liability company
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(2)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
OO;
HC
|
(2)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 4
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Limited Partnership
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited partnership
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(3)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
PN;
HC
|
(3)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 5
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Kenneth
Griffin
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
U.S.
Citizen
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(4)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
IN;
HC
|
(4)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 6
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Holdings I LP
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited partnership
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(5)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
PN;
HC
|
(5)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 7
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Holdings II LP
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited partnership
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(6)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
PN;
HC
|
(6)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 8
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Advisors LLC
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited liability company
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(7)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
OO;
HC
|
(7)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 9
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Derivatives Group LLC
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Delaware
limited liability company
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(8)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
OO;
BD
|
(8)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 10
of
15
Pages
|
1.
|
NAME
OF REPORTING PERSON
S.S.
OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Citadel
Derivatives Trading Ltd.
|
2.
|
CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a)
x
|
3.
|
SEC
USE ONLY
|
4.
|
CITIZENSHIP
OR PLACE OF ORGANIZATION
Cayman
Islands company
|
NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH
REPORTING
PERSON
WITH
|
5.
|
SOLE
VOTING POWER
0
|
6.
|
SHARED
VOTING POWER
959
shares
|
7.
|
SOLE
DISPOSITIVE POWER
0
|
8.
|
SHARED
DISPOSITIVE POWER
See
Row 6 above.
|
9.
|
AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See
Row 6 above.
|
10.
|
CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
|
11.
|
PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Approximately
0.0%
(9)
as of December 31, 2007.
|
12.
|
TYPE
OF REPORTING PERSON
CO
|
(9)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 11
of
15
Pages
|
Item
1(a)
|
Name
of Issuer:
DIOMED
HOLDINGS, INC.
|
|
1(b)
|
Address
of Issuer’s Principal Executive
Offices:
|
1
Dundee Park
Andover,
MA 01810
Item
2(a)
|
Name
of Person Filing
(10)
|
Item
2(b)
|
Address
of Principal Business Office
|
|
Citadel
Investment Group, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited liability company
|
|
|
|
Citadel
Investment Group II, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited liability company
|
|
|
|
Citadel
Limited Partnership
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited partnership
|
|
|
|
Kenneth
Griffin
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
U.S.
Citizen
|
|
|
|
Citadel
Holdings I LP
|
|
c/o
Citadel Investment Group II, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited partnership
|
(10)
Until
December 31, 2007, Citadel Wellington LLC, a Delaware limited liability company
(“CW”), was the majority owner of Citadel Derivatives Group LLC (“CDG”).
Effective January 1, 2008, Citadel Derivatives Group Investors LLC, a Delaware
limited liability company ("CDGI"), became the majority owner of CDG. CW did
not, and CDGI does not, have control over the voting or disposition of
securities held by CDG. Until December 31, 2007, Citadel Derivatives Trading
Ltd. ("CDT") was a wholly-owned subsidiary of Citadel Equity Fund Ltd. (“CEF”).
Effective January 1, 2008, CLP Holdings LLC, a Delaware limited liability
company (“CLP Holdings”), became the majority owner of CDT. CEF did not, and CLP
Holdings does not, have control over the voting or disposition of shares held
by
CDT. Citadel Investment Group II, L.L.C., Citadel Holdings I LP, Citadel
Holdings II LP and Citadel Advisors LLC are included in this filing as Reporting
Persons even though such entities did not have control over the voting or
disposition of securities held by CDG or CDT, as applicable, until January 1, 2008.
CUSIP
NO.
25454R207
|
13G
|
Page
12
of
15
Pages
|
|
Citadel
Holdings II LP
|
|
c/o
Citadel Investment Group II, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited partnership
|
|
|
|
Citadel
Advisors LLC
|
|
c/o
Citadel Investment Group II, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited liability company
|
|
|
|
Citadel
Derivatives Group LLC
|
|
c/o
Citadel Investment Group II, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Delaware
limited liability company
|
|
|
|
Citadel
Derivatives Trading Ltd.
|
|
c/o
Citadel Investment Group II, L.L.C.
|
|
131
S. Dearborn Street
|
|
32nd
Floor
|
|
Chicago,
Illinois 60603
|
|
Cayman
Islands company
|
|
2(d)
|
Title
of Class of Securities:
|
Common
Stock, par value $0.001.
|
2(e)
|
CUSIP
Number:
25454R207
|
Item
3
|
If
this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b)
or (c),
check whether the person filing is
a:
|
|
(a)
|
[__]
|
Broker
or dealer registered under Section 15 of the Exchange
Act;
|
|
(b)
|
[__]
|
Bank
as defined in Section 3(a)(6) of the Exchange
Act;
|
|
(c)
|
[__]
|
Insurance
company as defined in Section 3(a)(19) of the Exchange
Act;
|
|
(d)
|
[__]
|
Investment
company registered under Section 8 of the Investment Company
Act;
|
|
(e)
|
[__]
|
An
investment adviser in accordance with Rule
13d-1(b)(1)(ii)(E);
|
CUSIP
NO.
25454R207
|
13G
|
Page 13
of
15
Pages
|
|
(f)
|
[__]
|
An
employee benefit plan or endowment fund in accordance with Rule
13d-1(b)(1)(ii)(F);
|
|
(g)
|
[__]
|
A
parent holding company or control person in accordance with Rule
13d-1(b)(1)(ii)(G);
|
|
(h)
|
[__]
|
A
savings association as defined in Section 3(b) of the Federal Deposit
Insurance Act;
|
|
(i)
|
[__]
|
A
church plan that is excluded from the definition of an investment
company
under Section 3(c)(14) of the Investment Company
Act;
|
|
(j)
|
[__]
|
Group,
in accordance with Rule
13d-1(b)(1)(ii)(J).
|
If
this
statement is filed pursuant to Rule 13d-1(c), check this box.
x
CITADEL
INVESTMENT GROUP, L.L.C.
CITADEL
INVESTMENT GROUP II, L.L.C.
CITADEL
LIMITED PARTNERSHIP
KENNETH
GRIFFIN
CITADEL
HOLDINGS I LP
CITADEL
HOLDINGS II LP
CITADEL
ADVISORS LLC
CITADEL
DERIVATIVES GROUP LLC
CITADEL
DERIVATIVES TRADING LTD.
(a)
Amount
beneficially owned:
959
shares
(b)
Percent
of Class:
Approximately
0.0%
(11)
as of
December 31, 2007.
(c)
Number
of
shares as to which such person has:
(i)
sole
power to vote or to direct the vote:
(ii)
shared
power to vote or to direct the vote:
See
Item
4(a) above.
(iii)
sole
power to dispose or to direct the disposition of:
(11)
|
See
footnote 1 above.
|
CUSIP
NO.
25454R207
|
13G
|
Page 14
of
15
Pages
|
(iv)
shared
power to dispose or to direct the disposition of:
See
Item
4(a) above.
Item
5
|
Ownership
of Five Percent or Less of a Class:
|
If
this
statement is being filed to report the fact that as of the date hereof the
reporting person has ceased to be the beneficial owner of more than five percent
of the class of securities, check the following:
x
Item
6
|
Ownership
of More than Five Percent on Behalf of Another
Person:
|
Not
Applicable.
Item
7
|
Identification
and Classification of the Subsidiary which Acquired the Security
Being
Reported on by the Parent Holding
Company:
|
See
Item
2 above.
Item
8
|
Identification
and Classification of Members of the
Group:
|
Not
Applicable.
Item
9
|
Notice
of Dissolution of Group:
|
Not
Applicable.
By
signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer
of
the securities and were not acquired and are not held in connection with or
as a
participant in any transaction having that purpose or effect.
*
John C.
Nagel is signing on behalf of Kenneth Griffin as attorney-in-fact pursuant
to a
power of attorney previously filed with the Securities and Exchange Commission
on February 24, 2006, and hereby incorporated by reference herein. The power
of
attorney was filed as an attachment to a filing by Citadel Limited Partnership
on Schedule 13G for Morgans Hotel Group Co.
CUSIP
NO.
25454R207
|
13G
|
Page 15
of
15
Pages
|
After
reasonable inquiry and to the best of its knowledge and belief, the undersigned
certify that the information set forth in this statement is true, complete
and
correct.
Dated
this 13th day of February, 2008.
KENNETH
GRIFFIN
By:
/s/
John C. Nagel
John
C. Nagel, attorney-in-fact*
CITADEL
LIMITED PARTNERSHIP
By:
Citadel
Investment Group, L.L.C.,
its
General Partner
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
CITADEL
DERIVATIVES GROUP LLC
By:
Citadel
Holdings I LP,
its
Manager
By:
Citadel
Investment Group II, L.L.C.,
its
General Partner
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
CITADEL
INVESTMENT GROUP II, L.L.C.
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
CITADEL
HOLDINGS I LP
By:
Citadel
Investment Group II, L.L.C.,
its
General Partner
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
|
CITADEL
INVESTMENT GROUP, L.L.C.
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
CITADEL
DERIVATIVES TRADING LTD.
By:
Citadel
Advisors LLC,
its
Portfolio Manager
By:
Citadel
Holdings II LP,
its
Sole Managing Member
By:
Citadel
Investment Group II, L.L.C.,
its
General Partner
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
CITADEL
HOLDINGS II LP
By:
Citadel
Investment Group II, L.L.C.,
its
General Partner
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
CITADEL
ADVISORS LLC
By:
Citadel
Holdings II LP,
its
Sole Managing Member
By:
Citadel
Investment Group II, L.L.C.,
its
General Partner
By:
/s/
John C. Nagel
John
C. Nagel, Authorized Signatory
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