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SEI INVESTMENTS CO

Nasdaq:SEIC
Security Brokers, Dealers & Flotation Companies·OAKS, PA
OverviewAll FilingsSum FinCreditInsidersGovernance
OverviewAll FilingsSum FinCreditInsidersGovernance

All Filings(1001 total)

TypeDateAccessionPeriodSize
4
Mar 19, 2026
0001628280-26-019667FORM 4
Mar 18, 2026
11.8 KB
4
Mar 12, 2026
0001628280-26-017068FORM 4
Mar 10, 2026
17.5 KB
144
Mar 10, 2026
0001968582-26-000268
—
4.3 KB
8-K
Mar 2, 2026
0000350894-26-0000158-K
Mar 2, 2026
1.6 MB
4
Feb 26, 2026
0001628280-26-012076FORM 4
Feb 25, 2026
17.7 KB
144
Feb 25, 2026
0001921094-26-000201
—
4.2 KB
10-K
Feb 23, 2026
0000350894-26-000013FORM 10-K
Dec 31, 2025
20.5 MB
13F-HR
Feb 13, 2026
0000350894-26-000005
Dec 31, 2025
2.7 MB
SCHEDULE 13G/A
Feb 12, 2026
0000312348-26-000013
—
6.4 KB
4
Feb 2, 2026
0001628280-26-004505FORM 4
Jan 29, 2026
31.4 KB
144
Jan 29, 2026
0001921094-26-000065
—
4.3 KB
8-K
Jan 28, 2026
0000350894-26-000003FORM 8-K
Jan 28, 2026
2.1 MB
8-K
Jan 15, 2026
0000929638-26-000165
Jan 13, 2026
296.5 KB
4
Jan 2, 2026
0001628280-26-000072FORM 4
Jan 1, 2026
10.5 KB
4
Dec 30, 2025
0001628280-25-059102FORM 4
Dec 30, 2025
10.2 KB
4
Dec 29, 2025
0001628280-25-058909FORM 4
Dec 5, 2025
10.7 KB
4
Dec 29, 2025
0001628280-25-058907FORM 4
Dec 5, 2025
11.5 KB
4
Dec 29, 2025
0001628280-25-058905FORM 4
Dec 5, 2025
10.8 KB
4
Dec 29, 2025
0001628280-25-058903FORM 4
Dec 5, 2025
10.8 KB
4
Dec 29, 2025
0001628280-25-058901FORM 4
Dec 5, 2025
11.3 KB
4
Dec 23, 2025
0001628280-25-058671FORM 4
Dec 22, 2025
10.5 KB
144
Dec 22, 2025
0001921094-25-001578
—
4.7 KB
8-K
Dec 17, 2025
0000350894-25-000126FORM 8-K
Dec 12, 2025
766.5 KB
4
Dec 16, 2025
0001628280-25-057376FORM 4
Dec 12, 2025
13.9 KB
4
Dec 16, 2025
0001628280-25-057374FORM 4
Dec 12, 2025
14.1 KB
25 filings shown

, is a financial services company headquartered in Oaks, Pennsylvania, United States. SEI provides products and services to institutions, private banks, investment advisors, investment managers, and private clients.

CEO
Hicke Ryan
CFO
Denham Sean