SEI INVESTMENTS CO

CIK: 350894 SIC: 6211

1000

Total Filings

Filing Categories

Financial Reports

Periodic financial statements and performance reports

66 filings

Form	Filing Type	Period	Filed Date	Action
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2026-03-31	2026-04-27	Local
10-K	Annual Report Comprehensive annual financial report with audited statements	2025-12-31	2026-02-23	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2025-09-30	2025-10-27	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2025-06-30	2025-07-28	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2024-12-31	2025-06-24	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2025-03-31	2025-04-28	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2024-12-31	2025-02-20	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2024-09-30	2024-10-25	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2024-06-30	2024-07-26	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2023-12-31	2024-06-18	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2024-03-31	2024-04-29	View
10-K/A	Amended Annual Report Amendment to previously filed annual report	2023-12-31	2024-02-22	Local
10-K	Annual Report Comprehensive annual financial report with audited statements	2023-12-31	2024-02-20	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2023-09-30	2023-10-27	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2023-06-30	2023-07-28	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2022-12-31	2023-06-22	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2023-03-31	2023-04-24	View
10-K/A	Amended Annual Report Amendment to previously filed annual report	2022-12-31	2023-02-24	SEC
10-K	Annual Report Comprehensive annual financial report with audited statements	2022-12-31	2023-02-21	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2022-09-30	2022-10-28	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2022-06-30	2022-07-25	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2021-12-31	2022-06-28	SEC
10-Q/A	Amended Quarterly Report Amendment to previously filed quarterly report	2022-03-31	2022-04-29	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2022-03-31	2022-04-25	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2021-12-31	2022-02-22	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2021-09-30	2021-10-25	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2021-06-30	2021-07-26	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2020-12-31	2021-06-28	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2021-03-31	2021-04-26	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2020-12-31	2021-02-22	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2020-09-30	2020-10-26	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2020-06-30	2020-07-28	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2019-12-31	2020-06-19	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2020-03-31	2020-04-28	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2019-12-31	2020-02-24	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2019-09-30	2019-10-24	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2019-06-30	2019-07-25	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2018-12-31	2019-06-21	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2019-03-31	2019-04-25	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2018-12-31	2019-02-25	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2018-09-30	2018-10-25	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2018-06-30	2018-07-24	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2017-12-31	2018-06-22	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2018-03-31	2018-04-26	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2017-12-31	2018-02-22	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2017-09-30	2017-10-26	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2017-06-30	2017-07-27	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2016-12-31	2017-06-28	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2017-03-31	2017-04-20	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2016-12-31	2017-02-22	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2016-09-30	2016-10-21	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2016-06-30	2016-07-27	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2015-12-31	2016-06-24	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2016-03-31	2016-04-20	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2015-12-31	2016-02-22	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2015-09-30	2015-10-21	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2015-06-30	2015-07-22	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2014-12-31	2015-06-29	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2015-03-31	2015-04-22	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2014-12-31	2015-02-23	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2014-09-30	2014-10-23	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2014-06-30	2014-07-23	View
11-K	Employee Stock Plan Annual Report Annual report for employee stock purchase/savings plans	2013-12-31	2014-06-20	SEC
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2014-03-31	2014-04-23	View
10-K	Annual Report Comprehensive annual financial report with audited statements	2013-12-31	2014-02-27	View
10-Q	Quarterly Report Quarterly financial report with unaudited statements	2013-09-30	2013-10-24	View

Filing categories are based on SEC form types. Click on any filing to view detailed financial data.

Legend: Financial Reports Current Event Reports Proxy & Shareholder Statements Insider Trading Beneficial Ownership Securities Sales Employee Benefit Plans Annual Reports to Shareholders Exchange Act Filings SEC Correspondence Other Filings