UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

Information Statement Pursuant to Rules 13d-1 and 13d-2
Under the Securities Exchange Act of 1934
(Amendment No. )*

Serologicals Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

817523103

(CUSIP Number)

March 30, 2004

Date of Event Which Requires Filing of the Statement

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o                                    Rule 13d-1(b)
ý                                    Rule 13d-1(c)
o                                    Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Page 1 of 21

CUSIP NO. 817523103				13G				Page 2 of 21

	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)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		Illinois limited partnership U.S.A.

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		PN; HC

(1) See footnote 1 in Item 4.

Page 2 of 21

CUSIP NO. 817523103				13G				Page 3 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON GLB Partners, L.P.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		Delaware limited partnership U.S.A.

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		PN; HC

(1) See footnote 1 in Item 4.

Page 3 of 21

CUSIP NO. 817523103				13G				Page 4 of 21

	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)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		Delaware limited liability company U.S.A.

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		OO; HC

(1) See footnote 1 in Item 4.

Page 4 of 21

CUSIP NO. 817523103				13G				Page 5 of 21

	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)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		U.S. Citizen U.S.A.

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		IN; HC

(1) See footnote 1 in Item 4.

Page 5 of 21

CUSIP NO. 817523103				13G				Page 6 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Wellington Partners L.P.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		Illinois limited partnership

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		PN; HC

(1) See footnote 1 in Item 4.

Page 6 of 21

CUSIP NO. 817523103				13G				Page 7 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Wellington Partners L.P. SE

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	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
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		PN; HC

(1) See footnote 1 in Item 4.

Page 7 of 21

CUSIP NO. 817523103				13G				Page 8 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Kensington Global Strategies Fund Ltd.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		Bermuda company

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		CO; HC

(1) See footnote 1 in Item 4.

Page 8 of 21

CUSIP NO. 817523103				13G				Page 9 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Equity Fund Ltd.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	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
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		CO; HC

(1) See footnote 1 in Item 4.

Page 9 of 21

CUSIP NO. 817523103				13G				Page 10 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Distressed and Credit Opportunity Fund Ltd.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	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
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		CO; HC

(1) See footnote 1 in Item 4.

Page 10 of 21

CUSIP NO. 817523103				13G				Page 11 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Jackson Investment Fund Ltd.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	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
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		CO; HC

(1) See footnote 1 in Item 4.

Page 11 of 21

CUSIP NO. 817523103				13G				Page 12 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Citadel Credit Trading Ltd.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	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
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		CO

(1) See footnote 1 in Item 4.

Page 12 of 21

CUSIP NO. 817523103				13G				Page 13 of 21

	1.	NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Aragon Investments, Ltd.

	2.	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
						(a)	ý

						(b)	o

	3.	SEC USE ONLY

	4.	CITIZENSHIP OR PLACE OF ORGANIZATION
		Bermuda company

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH			5.		SOLE VOTING POWER
					0

			6.		SHARED VOTING POWER
					676,822 shares of common stock $25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

			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 CERTAIN SHARES*							o

	11.	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
		Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Row 6 above).

	12.	TYPE OF REPORTING PERSON*
		CO

(1) See footnote 1 in Item 4.

Page 13 of 21

CUSIP NO. 817523103

13G

Page 14 of 21

Item 1(a)		Name of Issuer: SEROLOGICALS CORPORATION
1(b)		Address of Issuer’s Principal Executive Offices:

		5655 Spalding Drive
		Norcross, GA 30092

Item 2(a)		Name of Person Filing
Item 2(b)		Address of Principal Business Office
Item 2(c)		Citizenship

Citadel Limited Partnership

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Illinois limited partnership

GLB Partners, L.P.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Delaware limited partnership

Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Delaware limited liability company

Kenneth Griffin

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

U.S. Citizen

Citadel Wellington Partners L.P.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Illinois limited partnership

Citadel Wellington Partners L.P. SE

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Delaware limited partnership

Page 14 of 21

CUSIP NO. 817523103

13G

Page 15 of 21

Citadel Kensington Global Strategies Fund Ltd.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Bermuda company

Citadel Equity Fund Ltd.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Cayman Islands company

Citadel Distressed and Credit Opportunity Fund Ltd.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Cayman Islands company

Citadel Jackson Investment Fund Ltd.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Cayman Islands company

Citadel Credit Trading Ltd.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Cayman Islands company

Aragon Investments, Ltd.

c/o Citadel Investment Group, L.L.C.

131 S. Dearborn Street, 32nd Floor

Chicago, Illinois 60603

Bermuda company

2(d) Title of Class of Securities:

Common Stock, par value $0.01 per share

2(e) CUSIP Number: 817523103

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) o Broker or dealer registered under Section 15 of the Exchange Act;

Page 15 of 21

CUSIP NO. 817523103

13G

Page 16 of 21

(b) o Bank as defined in Section 3(a)(6) of the Exchange Act;

(d) o Investment company registered under Section 8 of the Investment Company Act;

(e) o An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f) o An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g) o A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);

(h) o A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;

(i) o A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

(j) o 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. ý

Item 4 Ownership:

CITADEL LIMITED PARTNERSHIP
GLB PARTNERS, L.P.
CITADEL INVESTMENT GROUP, L.L.C.
KENNETH GRIFFIN
CITADEL WELLINGTON PARTNERS L.P.

CITADEL WELLINGTON PARTNERS L.P. SE

CITADEL KENSINGTON GLOBAL STRATEGIES FUND LTD.
CITADEL EQUITY FUND LTD.

CITADEL DISTRESSED AND CREDIT OPPORTUNITY FUND LTD.

CITADEL JACKSON INVESTMENT FUND LTD.

CITADEL CREDIT TRADING LTD.

ARAGON INVESTMENTS, LTD.

(a) Amount beneficially owned:

676,822 shares of common stock

$25,000,000 in principal amount of the Company’s 4.75% Convertible Senior Subordinated Debentures due August 15, 2033 (convertible into 1,690,333 shares of common stock) (1)

(b) Percent of Class:

Approximately 8.9% as of the date of this filing (based on 24,914,111 shares of common stock issued and outstanding as of March 31, 2004, plus the shares of common stock issuable upon the conversion of the Convertible Senior Subordinated Debentures referred to in Item (a) above).

Page 16 of 21

CUSIP NO. 817523103

13G

Page 17 of 21

(i) sole power to vote or to direct the vote:

(ii) shared power to vote or to direct the vote:

See item (a) above.

(iii) sole power to dispose or to direct the disposition of:

(iv) shared power to dispose or to direct the disposition of:

See item (a) above.

(1) The securities reported herein include (i) 676,822 shares of common stock, par value $0.01 per share and (ii) 1,690,333 shares of common stock that Reporting Persons may acquire in the future through the conversion of $25,000,000 in principal amount of 4.75% Convertible Senior Subordinated Debentures due August 15, 2033, which may be converted by the Reporting Persons into shares of common stock at the conversion rate of 67.6133 shares per $1,000 in principal amount, subject to the satisfaction of certain conditions.

Item 5 Ownership of Five Percent or Less of a Class:

Not Applicable.

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.

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Item 10 Certification:

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.

* Adam C. Cooper 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 November 19, 2002, and hereby incorporated by reference herein. The power of attorney was filed as an attachment to a filing by Citadel Limited Partnership on Form 3 for Metals USA, Inc.

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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 11th day of May, 2004		KENNETH GRIFFIN

		By:	/s/ Adam C. Cooper
			Adam C. Cooper, attorney-in-fact*

CITADEL LIMITED PARTNERSHIP		CITADEL INVESTMENT GROUP, L.L.C.

By:	GLB Partners, L.P.,	By:	/s/ Adam C. Cooper
	its General Partner		Adam C. Cooper, Senior Managing Director and General Counsel
By:	Citadel Investment Group, L.L.C.,
	its General Partner	CITADEL EQUITY FUND LTD.

By:	/s/ Adam C. Cooper	By:	Citadel Limited Partnership,
	Adam C. Cooper, Senior Managing Director and General Counsel		its Portfolio Manager
		By:	GLB Partners, L.P.,
GLB PARTNERS, L.P.			its General Partner

By:	Citadel Investment Group, L.L.C.,	By:	Citadel Investment Group, L.L.C.,
	its General Partner		its General Partner

By:	/s/ Adam C. Cooper	By:	/s/ Adam C. Cooper
	Adam C. Cooper, Senior Managing Director and General Counsel		Adam C. Cooper, Senior Managing Director and General Counsel

CITADEL WELLINGTON PARTNERS L.P.		ARAGON INVESTMENTS, LTD.

By:	Citadel Limited Partnership,	By:	Citadel Limited Partnership,
	its General Partner		its Portfolio Manager

By:	GLB Partners, L.P.,	By:	GLB Partners, L.P.,
	its General Partner		its General Partner

By:	Citadel Investment Group, L.L.C.,	By:	Citadel Investment Group, L.L.C.,
	its General Partner		its General Partner

By:	/s/ Adam C. Cooper	By:	/s/ Adam C. Cooper
	Adam C. Cooper, Senior Managing Director and General Counsel		Adam C. Cooper, Senior Managing Director and General Counsel

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CITADEL WELLINGTON PARTNERS L.P. SE		CITADEL JACKSON INVESTMENT FUND LTD.

By:	Citadel Limited Partnership,	By:	Citadel Limited Partnership,
	its General Partner		its Portfolio Manager

By:	GLB Partners, L.P.,	By:	GLB Partners, L.P.,
	its General Partner		its General Partner

By:	Citadel Investment Group, L.L.C.,	By:	Citadel Investment Group, L.L.C.,
	its General Partner		its General Partner

By:	/s/ Adam C. Cooper	By:	/s/ Adam C. Cooper
	Adam C. Cooper, Senior Managing Director and General Counsel		Adam C. Cooper, Senior Managing Director and General Counsel

CITADEL DISTRESSED AND CREDIT OPPORTUNITY FUND LTD.		CITADEL CREDIT TRADING LTD.
		By:	Citadel Limited Partnership,
By:	Citadel Limited Partnership,		its Portfolio Manager
	its Portfolio Manager
		By:	GLB Partners, L.P.,
By:	GLB Partners, L.P.,		its General Partner
	its General Partner
		By:	Citadel Investment Group, L.L.C.,
By:	Citadel Investment Group, L.L.C.,		its General Partner
	its General Partner
		By:	/s/ Adam C. Cooper
By:	/s/ Adam C. Cooper		Adam C. Cooper, Senior Managing
	Adam C. Cooper, Senior Managing Director and General Counsel		Director and General Counsel

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CITADEL KENSINGTON GLOBAL STRATEGIES FUND LTD.

By:	Citadel Limited Partnership,
	its Portfolio Manager

By:	GLB Partners, L.P.,
	its General Partner

By:	Citadel Investment Group, L.L.C.,
	its General Partner

By:	/s/ Adam C. Cooper
	Adam C. Cooper, Senior Managing Director and General Counsel

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