SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* WEST ALFRED P JR (Last) (First) (Middle) ONE FREEDOM VALLEY DRIVE (Street) OAKS PA 19456 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol SEI CORP [ SEIC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner X Officer (give title below) Other (specify below) Chairman and Chief Executive
	3. Date of Earliest Transaction (Month/Day/Year) 06/19/2003
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/19/2003		G	V	29,598	D	$0(1)	11,730,945(2)(3)	D
Common Stock	12/09/2003		G	V	48,564	D	$0(1)	11,682,381	D
Common Stock	12/10/2003		G	V	6,409	D	$0(1)	11,675,972	D
Common Stock	01/29/2004		G	V	15,074	D	$0(1)	11,660,898	D
Common Stock	02/10/2004		G	V	7,286	D	$0(1)	11,653,612	D
Common Stock								24,000	I	By Wife
Common Stock								4,537,500(4)	I	By AP West Associates, L.P.
Common Stock								0(3)	I	By Alfred P. West 1998 Grantor Retained Annuity Trust
Common Stock								246,298(5)	I	By 1980 Minority Trust - Alfred P. West, III
Common Stock								253,698(5)	I	By 1980 Minority Trust - Andrew Palmer West
Common Stock								235,698(5)	I	By 1980 Minority Trust - Angela Paige West
Common Stock								1,398,000(5)	I	By 1980 Life Trust - Alfred P. West, III
Common Stock								1,405,295(5)	I	By 1980 Life Trust - Andrew Palmer West
Common Stock								1,400,735(5)	I	By 1980 Life Trust - Angela Paige West

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Not applicable - gift transfer.

2. The number of shares held directly by Mr. West has decreased by 80 shares to correct a past clerical error.

3. The number of shares held directly by Mr. West and by the Alfred P. West GRAT V have changed as a result of a transfer of an aggregate of 2,773,883 shares from the GRAT in September 2003, of which 333,765 shares were transferred to Mr. West's direct holdings.

4. Mr. West disclaims beneficial ownership of the shares held by AP West Associates, L.P., except to the extent of his pecuniary interest therein.

5. These shares are held in trusts for the benefit of Mr. West's children. Mr. West's wife is the trustee or a co-trustee on these trusts. Mr. West disclaims beneficial ownership of the shares held in these trusts.

Remarks:

	Michelle Vaughn ( Attorney-in- Fact)	02/13/2004
	** 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 4 (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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