# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000350894-21-000053
Filing Date
2021-10-25
Accepted
2021-10-25 16:19:47
Documents
77
Period of Report
2021-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 10-Q | seic-20210930.htm iXBRL | 10-Q | 2489211
2 | SECTION 302 CEO CERTIFICATION | seic-930202110qex311.htm | EX-31.1 | 7663
3 | SECTION 302 CFO CERTIFICATION | seic-930202110qex312.htm | EX-31.2 | 7841
4 | SECTION 906 CEO AND CFO CERTIFICATION | seic-930202110qex32.htm | EX-32 | 6423
10 | GRAPHIC | seic-20210930_g1.jpg | GRAPHIC | 37183
| Complete submission text file | 0000350894-21-000053.txt |  | 10222391

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | seic-20210930.xsd | EX-101.SCH | 45233
6 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | seic-20210930_cal.xml | EX-101.CAL | 106702
7 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | seic-20210930_def.xml | EX-101.DEF | 223566
8 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | seic-20210930_lab.xml | EX-101.LAB | 599026
9 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | seic-20210930_pre.xml | EX-101.PRE | 395855
11 | EXTRACTED XBRL INSTANCE DOCUMENT | seic-20210930_htm.xml | XML | 2309510

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.: 211344412
SIC: 6211 Security Brokers, Dealers & Flotation Companies