<SEC-DOCUMENT>0000350894-16-000107-index.html : 20160405
<SEC-HEADER>0000350894-16-000107.hdr.sgml : 20160405
<ACCEPTANCE-DATETIME>20160405093256
ACCESSION NUMBER:		0000350894-16-000107
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20160525
FILED AS OF DATE:		20160405
DATE AS OF CHANGE:		20160405
EFFECTIVENESS DATE:		20160405

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEI INVESTMENTS CO
		CENTRAL INDEX KEY:			0000350894
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				231707341
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10200
		FILM NUMBER:		161553126

	BUSINESS ADDRESS:	
		STREET 1:		1 FREEDOM VALLEY DRIVE
		CITY:			OAKS
		STATE:			PA
		ZIP:			19456-1100
		BUSINESS PHONE:		6106761000

	MAIL ADDRESS:	
		STREET 1:		1 FREEDOM VALLEY DRIVE
		CITY:			OAKS
		STATE:			PA
		ZIP:			19456-1100

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEI INVESTMENT CO
		DATE OF NAME CHANGE:	20040806

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEI CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a2016proxystatement.htm
<DESCRIPTION>DEFINITIVE PROXY STATEMENT
<TEXT>
Document 1 - file: a2016proxystatement.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>capturea10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: capturea10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>capturea11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: capturea11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>capturea12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: capturea12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>card1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: card1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>card2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: card2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>card3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: card3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>seinewwaynewanswers.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: seinewwaynewanswers.jpg

</DOCUMENT>
</SEC-DOCUMENT>