SEI INVESTMENTS CO — DEF 14A Filings
31 DEF 14A filings on record
This page lists all DEF 14A 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 31 DEF 14A documents with the SEC since 2013. To view all SEC filings by SEI INVESTMENTS CO, see the full filings list.
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 |
|---|---|---|---|---|
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-25-000060 | Apr 14, 2025 | May 28, 2025 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-24-000066 | Apr 15, 2024 | May 29, 2024 |
| DEF 14A | DEF 14A | 0000350894-23-000048 | Apr 20, 2023 | — |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-22-000023 | Apr 27, 2022 | Jun 1, 2022 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-21-000026 | Apr 27, 2021 | Jun 2, 2021 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-20-000023 | Apr 23, 2020 | Jun 3, 2020 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-19-000021 | Apr 17, 2019 | May 29, 2019 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-18-000029 | Apr 10, 2018 | May 30, 2018 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-17-000021 | Apr 5, 2017 | May 24, 2017 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000350894-16-000107 | Apr 5, 2016 | May 25, 2016 |
| DEF 14A | SEI INVESTMENTS COMPANY | 0001193125-15-124088 | Apr 9, 2015 | May 27, 2015 |
| DEF 14A | SEI INVESTMENTS COMPANY | 0001193125-14-139729 | Apr 11, 2014 | May 21, 2014 |
| DEF 14A | SEI INVESTMENTS COMPANY | 0001193125-13-166442 | Apr 23, 2013 | May 22, 2013 |
| DEF 14A | SEI INVESTMENTS | 0001193125-12-161933 | Apr 13, 2012 | May 23, 2012 |
| DEF 14A | SEI INVESTMENTS | 0001193125-11-094087 | Apr 12, 2011 | May 25, 2011 |
| DEF 14A | SEI INVESTMENTS | 0001193125-10-098182 | Apr 29, 2010 | May 25, 2010 |
| DEF 14A | SEI INVESTMENTS | 0001193125-09-080662 | Apr 16, 2009 | May 21, 2009 |
| DEF 14A | SEI INVESTMENTS | 0001193125-08-082855 | Apr 16, 2008 | May 20, 2008 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001206774-07-001007 | Apr 16, 2007 | May 23, 2007 |
| DEF 14A | DEF 14A | 0001206774-06-000730 | Apr 11, 2006 | May 24, 2006 |
| DEF 14A | — | 0001206774-05-000590 | Apr 14, 2005 | May 25, 2005 |
| DEF 14A | — | 0001206774-04-000396 | Apr 26, 2004 | May 24, 2004 |
| DEF 14A | — | 0001206774-03-000351 | Apr 24, 2003 | May 28, 2003 |
| DEF 14A | DEFINITIVE PROXY | 0000950136-02-001076 | Apr 12, 2002 | May 14, 2002 |
| DEF 14A | DEFINITIVE NOTICE & PROXY STATEMENT | 0001036050-01-500333 | Apr 23, 2001 | May 29, 2001 |
| DEF 14A | NOTICE & PROXY STATEMENT | 0001036050-00-000612 | Apr 12, 2000 | May 10, 2000 |
| DEF 14A | DEFINITIVE NOTICE & PROXY | 0001036050-99-000872 | Apr 27, 1999 | May 18, 1999 |
| DEF 14A | DEFINITIVE NOTICE & PROXY | 0001036050-98-000688 | Apr 24, 1998 | May 21, 1998 |
| DEF 14A | DEFINITIVE NOTICE & PROXY | 0001036050-97-000122 | Apr 18, 1997 | May 14, 1997 |
| DEF 14A | DEFINITIVE NOTICE & PROXY | 0000950109-96-002544 | May 1, 1996 | May 21, 1996 |
| DEF 14A | SEI CORPORATION NOTICE & PROXY | 0000950109-95-001372 | Apr 24, 1995 | May 16, 1995 |