Sei Investments Co SEC filings SEIC

Sei Investments Co has 1,000 filings in SEC EDGAR's recent list, going back to Mar 18, 2014. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 26, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 21, 2026 (results of operations, regulation fd disclosure, other events). The company's fiscal year ends on December 31.

Form Description Filed Period
10-Q Quarterly report Oct 26, 2026 Sep 30, 2026
10-Q Quarterly report Jul 27, 2026 Jun 30, 2026
10-Q Quarterly report Apr 27, 2026 Mar 31, 2026
10-Q Quarterly report Oct 27, 2025 Sep 30, 2025
10-Q Quarterly report Jul 28, 2025 Jun 30, 2025
10-Q Quarterly report Apr 28, 2025 Mar 31, 2025
10-Q Quarterly report Oct 25, 2024 Sep 30, 2024
10-Q Quarterly report Jul 26, 2024 Jun 30, 2024
10-Q Quarterly report Apr 29, 2024 Mar 31, 2024
10-Q Quarterly report Oct 27, 2023 Sep 30, 2023
10-Q Quarterly report Jul 28, 2023 Jun 30, 2023
10-Q Quarterly report Apr 24, 2023 Mar 31, 2023
10-Q Quarterly report Oct 28, 2022 Sep 30, 2022
10-Q Quarterly report Jul 25, 2022 Jun 30, 2022
10-Q/A Amended quarterly report Apr 29, 2022 Mar 31, 2022
10-Q Quarterly report Apr 25, 2022 Mar 31, 2022
10-Q Quarterly report Oct 25, 2021 Sep 30, 2021
10-Q Quarterly report Jul 26, 2021 Jun 30, 2021
10-Q Quarterly report Apr 26, 2021 Mar 31, 2021
10-Q Quarterly report Oct 26, 2020 Sep 30, 2020
10-Q Quarterly report Jul 28, 2020 Jun 30, 2020
10-Q Quarterly report Apr 28, 2020 Mar 31, 2020
10-Q Quarterly report Oct 24, 2019 Sep 30, 2019
10-Q Quarterly report Jul 25, 2019 Jun 30, 2019
10-Q Quarterly report Apr 25, 2019 Mar 31, 2019
10-Q Quarterly report Oct 25, 2018 Sep 30, 2018
10-Q Quarterly report Jul 24, 2018 Jun 30, 2018
10-Q Quarterly report Apr 26, 2018 Mar 31, 2018
10-Q Quarterly report Oct 26, 2017 Sep 30, 2017
10-Q Quarterly report Jul 27, 2017 Jun 30, 2017
10-Q Quarterly report Apr 20, 2017 Mar 31, 2017
10-Q Quarterly report Oct 21, 2016 Sep 30, 2016
10-Q Quarterly report Jul 27, 2016 Jun 30, 2016
10-Q Quarterly report Apr 20, 2016 Mar 31, 2016
10-Q Quarterly report Oct 21, 2015 Sep 30, 2015
10-Q Quarterly report Jul 22, 2015 Jun 30, 2015
10-Q Quarterly report Apr 22, 2015 Mar 31, 2015
10-Q Quarterly report Oct 23, 2014 Sep 30, 2014
10-Q Quarterly report Jul 23, 2014 Jun 30, 2014
10-Q Quarterly report Apr 23, 2014 Mar 31, 2014

Showing 40 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Security Brokers, Dealers & Flotation Companies (SIC 6211)
Listed as
SEIC (Nasdaq)
Fiscal year ends
December 31
Incorporated in
PA
Headquarters
Oaks, PA
SEC filer status
Large accelerated filer
SEC CIK
350894
Former names
SEI CORP (until Aug 5, 2004)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.