SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Regiment Capital Ltd. (Last) (First) (Middle) C/O MAPLES AND CALDER UGLAND HOUSE, SOUTH CHURCH STREET (Street) GEORGE TOWN, GRAND CAYMAN E9 KY1-1003 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 06/30/2010	3. Issuer Name and Ticker or Trading Symbol Greektown Superholdings, Inc. [ NONE ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Series A-1 Common Stock	8,261	D
Series A-1 Common Stock	0	I	See footnote(1)
Series A-1 Common Stock	0	I	See footnote(2)
Series A-1 Common Stock	0	I	See footnote(3)
Series A-1 Common Stock	0	I	See footnote(4)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* Regiment Capital Ltd. (Last) (First) (Middle) C/O MAPLES AND CALDER UGLAND HOUSE, SOUTH CHURCH STREET (Street) GEORGE TOWN, GRAND CAYMAN E9 KY1-1003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Regiment Capital Management LLC (Last) (First) (Middle) 222 BERKELEY STREET, 12TH FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* REGIMENT CAPITAL ADVISORS LP (Last) (First) (Middle) 222 BERKELEY STREET, 12TH FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* REGIMENT CAPITAL ADVISORS LLC (Last) (First) (Middle) 222 BERKELEY STREET, 12TH FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* PETERSON TIMOTHY S (Last) (First) (Middle) C/O REGIMENT CAPITAL ADVISORS, LP 222 BERKELEY STREET, 12TH FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Regiment Capital Management, LLC ("RCM") is the investment manager to Regiment Capital Limited ("RCL") and other institutional accounts that acquired the shares as of June 30, 2010 in exchange for debt securities previously held. RCM reports no beneficial ownership of the shares held by RCL or any other account it manages in reliance on the exclusion for asset-based fees under Rule 16a-1(a)(2).

2. Regiment Capital Advisors, LP ("LP") is the manager of RCM and reports no beneficial ownership of the shares held by RCL or other accounts managed by RCM because RCM reports no beneficial ownership of the shares.

3. Regiment Capital Advisors, LLC ("LLC") is the general partner of LP and reports no beneficial ownership of the shares held by RCL or other accounts managed by RCM because LP reports no beneficial ownership of the shares.

4. Timothy Peterson is the managing member of LLC and reports no beneficial ownership of the shares held by RCL or other accounts managed by RCM because LLC reports no beneficial ownership of the shares.

	/s/ Don Seymour as Director for Regiment Capital Ltd.	01/04/2011
	/s/ Derek Meisner as Authorized Signatory for Regiment Capital Management, LLC	01/04/2011
	/s/ Marc Volpe as Chief Compliance Officer for Regiment Capital Advisors, LP	01/04/2011
	/s/ Timothy Peterson as Managing Member for Regiment Capital Advisors, LLC	01/04/2011
	/s/ Timothy Peterson	01/04/2011
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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