Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000350894-25-000120
Filing Date
2025-10-27
Accepted
2025-10-27 14:34:35
Documents
89
Period of Report
2025-09-30

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q seic-20250930.htm   iXBRL 10-Q 2298034
2 SECTION 302 PRINCIPAL EXECUTIVE OFFICER CERTIFICATION seic-0930202510qex311.htm EX-31.1 7555
3 SECTION 302 PRINCIPAL FINANCIAL OFFICER CERTIFICATION seic-0930202510qex312.htm EX-31.2 7770
4 SECTION 906 PEO AND PFO CERTIFICATION seic-0930202510qex32.htm EX-32 6303
10 GRAPHIC seic-20250930_g1.gif GRAPHIC 15713
  Complete submission text file 0000350894-25-000120.txt   11498394

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT seic-20250930.xsd EX-101.SCH 56187
6 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT seic-20250930_cal.xml EX-101.CAL 141465
7 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT seic-20250930_def.xml EX-101.DEF 340633
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT seic-20250930_lab.xml EX-101.LAB 739411
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT seic-20250930_pre.xml EX-101.PRE 542183
91 EXTRACTED XBRL INSTANCE DOCUMENT seic-20250930_htm.xml XML 2208874
Mailing Address 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100
Business Address 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000
SEI INVESTMENTS CO (Filer) CIK: 0000350894 (see all company filings)

EIN.: 231707341 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-10200 | Film No.: 251419288
SIC: 6211 Security Brokers, Dealers & Flotation Companies
(CF Office: 09 Crypto Assets)