SEI INVESTMENTS CO (SEIC) Historical Stock Prices
SEI INVESTMENTS CO (SEIC) is a publicly traded company on the Nasdaq, categorized under SIC 6211 (Security Brokers, Dealers & Flotation Companies). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: SEIC
CIK: 350894
Exchange: Nasdaq
SIC 6211: Security Brokers, Dealers & Flotation Companies
Fiscal Year End: 12/31
State: PA
Independent PCAOB Auditor
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Audit Firm
KPMG LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerKatie D'Angelo
Audit LocationPhiladelphia, Pennsylvania, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-10-01 | 2026-09-29 | 4 Filing | 0000929638-26-003767 | View SEC Doc Filr Page |
| 144 | 2026-09-29 | — | 144 Filing | 0001968582-26-001019 | View SEC Doc Filr Page |
| 4 | 2026-09-24 | 2026-09-22 | 4 Filing | 0000929638-26-003634 | View SEC Doc Filr Page |
| 144 | 2026-09-22 | — | 144 Filing | 0001921094-26-001045 | View SEC Doc Filr Page |
| 4 | 2026-09-08 | 2026-09-03 | 4 Filing | 0000929638-26-003474 | View SEC Doc Filr Page |
| 4 | 2026-09-03 | 2026-09-01 | 4 Filing | 0000929638-26-003447 | View SEC Doc Filr Page |
| 144 | 2026-09-03 | — | 144 Filing | 0001921094-26-000989 | View SEC Doc Filr Page |
| 144 | 2026-09-01 | — | 144 Filing | 0001921094-26-000981 | View SEC Doc Filr Page |
| 4 | 2026-09-01 | 2026-08-28 | 4 Filing | 0000929638-26-003408 | View SEC Doc Filr Page |
| 144 | 2026-08-28 | — | 144 Filing | 0001921094-26-000965 | View SEC Doc Filr Page |
| N-PX | 2026-08-27 | 2026-06-30 | N-PX Filing | 0001135428-26-000201 | View SEC Doc Filr Page |
| 13F-HR | 2026-08-14 | 2026-06-30 | 13F-HR Filing | 0002048251-26-006553 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-14 | — | SCHEDULE 13G/A Filing | 0000312348-26-000033 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-07 | — | SCHEDULE 13G Filing | 0001398344-26-013791 | View SEC Doc Filr Page |
| 4 | 2026-08-06 | 2026-08-04 | 4 Filing | 0000929638-26-002909 | View SEC Doc Filr Page |
| 144 | 2026-08-05 | — | 144 Filing | 0001921094-26-000808 | View SEC Doc Filr Page |
| 144 | 2026-08-04 | — | 144 Filing | 0001921094-26-000799 | View SEC Doc Filr Page |
| 4 | 2026-08-04 | 2026-08-03 | 4 Filing | 0000929638-26-002873 | View SEC Doc Filr Page |
| 144 | 2026-08-03 | — | 144 Filing | 0001921094-26-000790 | View SEC Doc Filr Page |
| 4 | 2026-07-30 | 2026-07-28 | 4 Filing | 0000929638-26-002844 | View SEC Doc Filr Page |
| 4 | 2026-07-30 | 2026-07-28 | 4 Filing | 0000929638-26-002843 | View SEC Doc Filr Page |
| 4 | 2026-07-30 | 2026-07-28 | 4 Filing | 0000929638-26-002842 | View SEC Doc Filr Page |
| 144 | 2026-07-28 | — | 144 Filing | 0001921094-26-000765 | View SEC Doc Filr Page |
| 144 | 2026-07-28 | — | 144 Filing | 0001921094-26-000763 | View SEC Doc Filr Page |
| 144 | 2026-07-28 | — | 144 Filing | 0001921094-26-000760 | View SEC Doc Filr Page |