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SEI INVESTMENTS CO — 10-K Filings

30 10-K filings on record

This page lists all 10-K filings submitted to the SEC by SEI INVESTMENTS CO (SEIC), sorted by most recent first. Each row links to the full filing on EdgarLookup. SEI INVESTMENTS CO has filed 30 10-K documents with the SEC since 2013. To view all SEC filings by SEI INVESTMENTS CO, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 11-K 13F-HR 13F-HR/A 144 3 3/A 4 4/A 5 5/A 8-A12B 8-A12G 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A DEFS14A N-PX NT 11-K PRES14A RW S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
10-K FORM 10-K 0000350894-26-000013 Feb 23, 2026 Dec 31, 2025
10-K FORM 10-K 0000350894-25-000028 Feb 20, 2025 Dec 31, 2024
10-K FORM 10-K 0000350894-24-000024 Feb 20, 2024 Dec 31, 2023
10-K FORM 10-K 0000350894-23-000012 Feb 21, 2023 Dec 31, 2022
10-K FORM 10-K 0000350894-22-000007 Feb 22, 2022 Dec 31, 2021
10-K FORM 10-K 0000350894-21-000010 Feb 22, 2021 Dec 31, 2020
10-K FORM 10-K 0000350894-20-000012 Feb 24, 2020 Dec 31, 2019
10-K FORM 10-K 0000350894-19-000012 Feb 25, 2019 Dec 31, 2018
10-K FORM 10-K 0000350894-18-000011 Feb 22, 2018 Dec 31, 2017
10-K FORM 10-K 0000350894-17-000010 Feb 22, 2017 Dec 31, 2016
10-K FORM 10-K 0000350894-16-000102 Feb 22, 2016 Dec 31, 2015
10-K FORM 10-K 0000350894-15-000009 Feb 23, 2015 Dec 31, 2014
10-K FORM 10-K 0000350894-14-000008 Feb 27, 2014 Dec 31, 2013
10-K FORM 10-K 0000350894-13-000006 Feb 22, 2013 Dec 31, 2012
10-K SEI INVESTMENTS CO--FORM 10-K 0001193125-12-081132 Feb 27, 2012 Dec 31, 2011
10-K SEI INVESTMENTS COMPANY--FORM 10-K 0001193125-11-045593 Feb 24, 2011 Dec 31, 2010
10-K SEI INVESTMENTS COMPANY--FORM 10-K 0001193125-10-040123 Feb 25, 2010 Dec 31, 2009
10-K SEI INVESTMENTS COMPANY--FORM 10-K 0001193125-09-037490 Feb 25, 2009 Dec 31, 2008
10-K SEI INVESTMENTS COMPANY--FORM 10-K 0001193125-08-038641 Feb 26, 2008 Dec 31, 2007
10-K SEI INVESTMENTS--FORM 10-K 0001193125-07-038332 Feb 23, 2007 Dec 31, 2006
10-K FORM 10-K 0001193125-06-056025 Mar 16, 2006 Dec 31, 2005
10-K SEI INVESTMENTS COMPANY - FORM 10-K 0001193125-05-049381 Mar 14, 2005 Dec 31, 2004
10-K FOR THE PERIOD ENDED DECEMBER 31, 2003 0001193125-04-041807 Mar 15, 2004 Dec 31, 2003
10-K FORM 10-K FOR SEI INVESTMENTS COMPANY 0001021408-03-005203 Mar 28, 2003 Dec 31, 2002
10-K FORM 10-K SEI INVESTMENTS COMPANY 0000930661-02-000926 Mar 28, 2002 Dec 31, 2001
10-K FORM 10-K 0001036050-01-000535 Mar 29, 2001 Dec 31, 2000
10-K FORM 10-K 0001036050-00-000477 Mar 29, 2000 Dec 31, 1999
10-K FORM 10-K 0001036050-99-000631 Mar 29, 1999 Dec 31, 1998
10-K FORM 10-K 0001036050-97-000049 Mar 31, 1997 Dec 31, 1996
10-K FORM 10-K 0000950109-96-001878 Mar 29, 1996 Dec 31, 1995