<SEC-DOCUMENT>0000350894-25-000012-index.html : 20250117
<SEC-HEADER>0000350894-25-000012.hdr.sgml : 20250117
<ACCEPTANCE-DATETIME>20250117161846
ACCESSION NUMBER:		0000350894-25-000012
CONFORMED SUBMISSION TYPE:	8-K/A
PUBLIC DOCUMENT COUNT:		33
CONFORMED PERIOD OF REPORT:	20250114
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20250117
DATE AS OF CHANGE:		20250117

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEI INVESTMENTS CO
		CENTRAL INDEX KEY:			0000350894
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		ORGANIZATION NAME:           	09 Crypto Assets
		IRS NUMBER:				231707341
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10200
		FILM NUMBER:		25538908

	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>8-K/A
<SEQUENCE>1
<FILENAME>seic-20250114.htm
<DESCRIPTION>8-K/A
<TEXT>
Document 1 - file: seic-20250114.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>seiinvestoroverviewjan20.htm <DESCRIPTION>SEI INVESTOR OVERVIEW <TEXT> Document 2 - file: seiinvestoroverviewjan20.htm
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>5 <FILENAME>seic-20250114_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 5 - file: seic-20250114_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>seic-20250114_g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: seic-20250114_g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>seiinvestoroverviewjan20001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: seiinvestoroverviewjan20001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>seiinvestoroverviewjan20002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: seiinvestoroverviewjan20002.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>seiinvestoroverviewjan20017.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: seiinvestoroverviewjan20017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>seiinvestoroverviewjan20018.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: seiinvestoroverviewjan20018.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>27 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 27 - file: Financial_Report.xlsx
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Document 31 - RAW XML: FilingSummary.xml
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