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SEI INVESTMENTS CO — 11-K Filings

29 11-K filings on record

This page lists all 11-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 29 11-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
11-K FORM 11-K 0000350894-25-000084 Jun 24, 2025 Dec 31, 2024
11-K 11-K 0000350894-24-000093 Jun 18, 2024 Dec 31, 2023
11-K FORM 11-K 0000350894-23-000062 Jun 22, 2023 Dec 31, 2022
11-K FORM 11-K 0000350894-22-000031 Jun 28, 2022 Dec 31, 2021
11-K FORM 11-K 0000350894-21-000039 Jun 28, 2021 Dec 31, 2020
11-K FORM 11-K 0000350894-20-000034 Jun 19, 2020 Dec 31, 2019
11-K FORM 11-K 0000350894-19-000034 Jun 21, 2019 Dec 31, 2018
11-K FORM 11-K 0000350894-18-000039 Jun 22, 2018 Dec 31, 2017
11-K FORM 11-K 0000350894-17-000042 Jun 28, 2017 Dec 31, 2016
11-K FORM 11-K 0000350894-16-000128 Jun 24, 2016 Dec 31, 2015
11-K FORM 11-K 0000350894-15-000036 Jun 29, 2015 Dec 31, 2014
11-K FORM 11-K 0000350894-14-000040 Jun 20, 2014 Dec 31, 2013
11-K FORM 11-K 0000350894-13-000031 Jun 21, 2013 Dec 31, 2012
11-K FORM 11-K 0001193125-12-280287 Jun 22, 2012 Dec 31, 2011
11-K FORM 11-K 0001193125-11-173154 Jun 24, 2011 Dec 31, 2010
11-K FORM 11-K 0001193125-10-144084 Jun 22, 2010 Dec 31, 2009
11-K SEI INVESTMENTS--FORM 11-K 0001193125-09-140506 Jun 29, 2009 Dec 31, 2008
11-K FORM 11-K 0001193125-08-138833 Jun 24, 2008 Dec 31, 2007
11-K SEI INVESTMENTS COMPANY - FORM 11-K 0001193125-07-145033 Jun 28, 2007 Dec 31, 2006
11-K SEI INVESTMENTS COMPANY--FORM 11-K 0001193125-06-139414 Jun 29, 2006 Dec 31, 2005
11-K FORM 11-K 0001193125-05-141679 Jul 13, 2005 Dec 31, 2004
11-K FORM 11-K 0001193125-04-110002 Jun 28, 2004 Dec 31, 2003
11-K SEI INVESTMENT CAPITAL ACCUMULATION PLAN FORM 11-K 0001193125-03-015015 Jun 30, 2003 Dec 31, 2002
11-K FORM 11-K 0001021408-02-008919 Jun 28, 2002 Dec 31, 2001
11-K FORM 11-K 0001021408-01-502751 Jun 28, 2001 Dec 31, 2000
11-K FORM 11-K 0001036050-00-001208 Jun 28, 2000 Dec 31, 1999
11-K FORM 11-K 0001036050-99-001355 Jun 29, 1999 Dec 31, 1998
11-K FORM 11-K 0001036050-98-001098 Jun 29, 1998 Dec 31, 1997
11-K FORM 11-K 0001036050-97-001105 Dec 2, 1997 Dec 31, 1996