# SEI Investments Co: Form 8-K, filed Sep 18, 2025

- Company: [SEI Investments Co](/companies/seic.md) (CIK 350894)
- Form: 8-K
- Filed: 2025-09-18
- Accepted by EDGAR: Sep 18, 2025, 07:33 ET
- Period: 2025-09-18
- Accession: 0000350894-25-000109
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/350894/000035089425000109/seic-20250918.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/350894/000035089425000109/

## Items reported

- Item 7.01: Regulation FD disclosure
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/350894/000035089425000109/seic-20250918.htm

Filed Sep 18, 2025.
Source: SEC EDGAR, the filing index for accession 0000350894-25-000109. Last ingested by Listed: Nov 5, 2026, 13:30 ET. No prices; not investment advice.