SEIC - CIK 0000350894
SEI INVESTMENTS CO has filed 1,942 documents with the SEC between 1995 and 2026. The most frequent type is insider trade (1,197 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Institutional holdings | 13F-HR | 2016-08-11 | 2016-06-30 |
| Insider trade | 4 | 2016-08-10 | 2016-08-05 |
| Quarterly report | 10-Q | 2016-07-27 | 2016-06-30 |
| Employee plan annual report | 11-K | 2016-06-24 | 2015-12-31 |
| Major company event | 8-K | 2016-06-14 | 2016-06-13 |
| Insider trade | 4 | 2016-06-14 | 2016-06-10 |
| Insider trade | 4 | 2016-06-07 | 2016-06-03 |
| Insider trade | 4 | 2016-05-31 | 2016-05-26 |
| Insider trade | 4 | 2016-05-26 | 2016-05-25 |
| Insider trade | 4 | 2016-05-26 | 2016-05-24 |
| Major company event | 8-K | 2016-05-25 | 2016-05-25 |
| Insider trade | 4 | 2016-05-25 | 2016-05-18 |
| Insider trade | 4 | 2016-05-25 | 2016-05-24 |
| Insider trade | 4 | 2016-05-25 | 2016-05-25 |
| Insider trade | 4 | 2016-05-12 | 2016-05-10 |
| 13F-HR/A | - | 2016-05-10 | 2016-03-31 |
| Insider trade | 4 | 2016-05-10 | 2016-05-06 |
| Insider trade | 4 | 2016-05-04 | 2016-05-02 |
| Institutional holdings | 13F-HR | 2016-04-28 | 2016-03-31 |
| Quarterly report | 10-Q | 2016-04-20 | 2016-03-31 |
| Proxy statement | DEF 14A | 2016-04-05 | 2016-05-25 |
| Insider trade | 4 | 2016-03-30 | 2016-03-28 |
| Insider trade | 4 | 2016-03-21 | 2016-03-17 |
| Insider trade (amended) | 4/A | 2016-03-07 | 2016-01-29 |
| Annual report | 10-K | 2016-02-22 | 2015-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2016-02-12 | - |
| New insider ownership | 3 | 2016-02-11 | 2016-02-01 |
| Passive ownership stake (update) | SC 13G/A | 2016-02-10 | - |
| SEC correspondence | UPLOAD | 2016-02-05 | - |
| Institutional holdings | 13F-HR | 2016-02-03 | 2015-12-31 |
| Major company event | 8-K | 2016-02-03 | 2016-02-03 |
| Insider trade | 4 | 2016-01-29 | 2016-01-28 |
| Insider trade | 4 | 2016-01-29 | 2016-01-28 |
| Insider trade | 4 | 2016-01-29 | 2016-01-29 |
| Major company event | 8-K | 2016-01-27 | 2016-01-27 |
| Passive ownership stake (update) | SC 13G/A | 2016-01-27 | - |
| Passive ownership stake (update) | SC 13G/A | 2016-01-20 | - |
| Company correspondence | CORRESP | 2016-01-14 | - |
| Insider trade | 4 | 2015-12-28 | 2015-12-23 |
| Insider trade | 4 | 2015-12-15 | 2015-12-14 |
| Insider trade | 4 | 2015-12-10 | 2015-12-09 |
| Insider trade | 4 | 2015-12-10 | 2015-12-07 |
| Company correspondence | CORRESP | 2015-12-09 | - |
| Insider trade (amended) | 4/A | 2015-12-09 | 2015-12-08 |
| Insider trade | 4 | 2015-12-09 | 2015-12-08 |
| Insider trade | 4 | 2015-12-09 | 2015-12-08 |
| Insider trade | 4 | 2015-12-09 | 2015-12-08 |
| Insider trade | 4 | 2015-12-09 | 2015-12-08 |
| Insider trade | 4 | 2015-12-09 | 2015-12-08 |
| Insider trade | 4 | 2015-12-09 | 2015-12-08 |