SEI INVESTMENTS CO — 4 Filings
1,191 4 filings on record
This page lists all 4 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 1,191 4 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 |
|---|---|---|---|---|
| 4 | FORM 4 | 0001628280-26-019667 | Mar 19, 2026 | Mar 18, 2026 |
| 4 | FORM 4 | 0001628280-26-017068 | Mar 12, 2026 | Mar 10, 2026 |
| 4 | FORM 4 | 0001628280-26-012076 | Feb 26, 2026 | Feb 25, 2026 |
| 4 | FORM 4 | 0001628280-26-004505 | Feb 2, 2026 | Jan 29, 2026 |
| 4 | FORM 4 | 0001628280-26-000072 | Jan 2, 2026 | Jan 1, 2026 |
| 4 | FORM 4 | 0001628280-25-059102 | Dec 30, 2025 | — |
| 4 | FORM 4 | 0001628280-25-058901 | Dec 29, 2025 | Dec 5, 2025 |
| 4 | FORM 4 | 0001628280-25-058909 | Dec 29, 2025 | Dec 5, 2025 |
| 4 | FORM 4 | 0001628280-25-058907 | Dec 29, 2025 | Dec 5, 2025 |
| 4 | FORM 4 | 0001628280-25-058903 | Dec 29, 2025 | Dec 5, 2025 |
| 4 | FORM 4 | 0001628280-25-058905 | Dec 29, 2025 | Dec 5, 2025 |
| 4 | FORM 4 | 0001628280-25-058671 | Dec 23, 2025 | Dec 22, 2025 |
| 4 | FORM 4 | 0001628280-25-057373 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057374 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057376 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057336 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057337 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057339 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057341 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057340 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057342 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057338 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057367 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057371 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | FORM 4 | 0001628280-25-057369 | Dec 16, 2025 | Dec 12, 2025 |
| 4 | — | 0000929638-25-004524 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | — | 0000929638-25-004512 | Dec 5, 2025 | Dec 3, 2025 |
| 4 | FORM 4 | 0001628280-25-052814 | Nov 18, 2025 | Nov 17, 2025 |
| 4 | FORM 4 | 0001628280-25-051956 | Nov 13, 2025 | Nov 12, 2025 |
| 4 | FORM 4 | 0001628280-25-051435 | Nov 12, 2025 | Nov 11, 2025 |
| 4 | FORM 4 | 0001628280-25-046715 | Oct 28, 2025 | Oct 24, 2025 |
| 4 | FORM 4 | 0001628280-25-043093 | Sep 29, 2025 | — |
| 4 | FORM 4 | 0001628280-25-042654 | Sep 24, 2025 | Sep 23, 2025 |
| 4 | FORM 4 | 0002037087-25-000003 | Sep 17, 2025 | Sep 16, 2025 |
| 4 | FORM 4 | 0001799975-25-000004 | Aug 20, 2025 | Aug 19, 2025 |
| 4 | FORM 4 | 0001628280-25-039348 | Aug 8, 2025 | Aug 7, 2025 |
| 4 | FORM 4 | 0001628280-25-038318 | Aug 6, 2025 | Aug 5, 2025 |
| 4 | FORM 4 | 0001628280-25-037338 | Aug 4, 2025 | Jul 31, 2025 |
| 4 | FORM 4 | 0001628280-25-036685 | Jul 30, 2025 | Jul 29, 2025 |
| 4 | FORM 4 | 0000350894-25-000101 | Jul 24, 2025 | Jul 22, 2025 |
| 4 | FORM 4 | 0001628280-25-035891 | Jul 24, 2025 | Jul 22, 2025 |
| 4 | FORM 4 | 0001628280-25-028520 | May 30, 2025 | May 28, 2025 |
| 4 | FORM 4 | 0001628280-25-026152 | May 16, 2025 | May 14, 2025 |
| 4 | FORM 4 | 0001628280-25-026154 | May 16, 2025 | May 15, 2025 |
| 4 | FORM 4 | 0001628280-25-026202 | May 16, 2025 | May 14, 2025 |
| 4 | FORM 4 | 0000350894-25-000047 | Apr 1, 2025 | Mar 31, 2025 |
| 4 | FORM 4 | 0000350894-25-000042 | Mar 19, 2025 | Mar 18, 2025 |
| 4 | FORM 4 | 0000350894-25-000038 | Mar 7, 2025 | Mar 5, 2025 |
| 4 | FORM 4 | 0000350894-25-000034 | Mar 5, 2025 | Mar 3, 2025 |
| 4 | FORM 4 | 0000350894-25-000036 | Mar 5, 2025 | Mar 3, 2025 |