Westchester Capital Management, LLC

Entity
Company
Business address
100 Summit Lake Drive, 10595 Valhalla, NY
Phone
914-741-5600
State of incorporation
DE
Fiscal year end
December 31
Signature 13F
CaSaundra Wu - Chief Compliance Officer
Signature Schedule 13D/G
Westchester Capital Management, LLC - CaSaundra Wu, Chief Compliance Officer
All SEC filings
View on sec.gov
Westchester Capital Management, LLC has filed 167 SEC EDGAR filings since 2/14/2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
N-PX Open Document Open Filing Aug 28, 2025 Jun 30, 2025 028-14257
13F-HR Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-14257
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
SCHEDULE 13G Open Document Open Filing Aug 14, 2025
SCHEDULE 13G Open Document Open Filing Aug 14, 2025
SCHEDULE 13G Open Document Open Filing Aug 14, 2025
SCHEDULE 13G Open Document Open Filing Aug 14, 2025
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
13F-HR Open Document Open Filing May 14, 2025 Mar 31, 2025 028-14257
SCHEDULE 13G/A Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G/A Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
SCHEDULE 13G Open Document Open Filing May 14, 2025
13F-HR Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-14257
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SCHEDULE 13G Open Document Open Filing Feb 14, 2025
SCHEDULE 13G Open Document Open Filing Feb 14, 2025
SCHEDULE 13G Open Document Open Filing Feb 14, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
13F-HR Open Document Open Filing Nov 14, 2024 Sep 30, 2024 028-14257
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
SC 13G Open Document Open Filing SC 13G Nov 14, 2024
N-PX/A Open Document Open Filing Aug 28, 2024 Jun 30, 2024 028-14257
N-PX Open Document Open Filing Aug 28, 2024 Jun 30, 2024 028-14257
13F-HR Open Document Open Filing Aug 14, 2024 Jun 30, 2024 028-14257
13F-HR Open Document Open Filing May 15, 2024 Mar 31, 2024 028-14257
13F-HR Open Document Open Filing Feb 15, 2024 Dec 31, 2023 028-14257
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G Open Document Open Filing SC 13G Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Jan 10, 2024
13F-HR Open Document Open Filing Nov 8, 2023 Sep 30, 2023 028-14257
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Sep 8, 2023
13F-HR Open Document Open Filing Aug 14, 2023 Jun 30, 2023 028-14257
SC 13G Open Document Open Filing SCHEDULE 13G Aug 10, 2023
13F-HR Open Document Open Filing May 15, 2023 Mar 31, 2023 028-14257
SC 13G Open Document Open Filing SCHEDULE 13G FOR DATA KNIGHTS ACQUISITION CORP. ON BEHALF OF WESTCHESTER CAPITAL Feb 14, 2023
SC 13G Open Document Open Filing SCHEDULE 13G FOR CANNA-GLOBAL ACQUISITION CORP ON BEHALF OF WESTCHESTER CAPITAL Feb 14, 2023
13F-HR Open Document Open Filing Feb 14, 2023 Dec 31, 2022 028-14257
13F-HR/A Open Document Open Filing Nov 17, 2022 Sep 30, 2022 028-14257
13F-HR Open Document Open Filing Nov 15, 2022 Sep 30, 2022 028-14257
13F-HR Open Document Open Filing Aug 15, 2022 Jun 30, 2022 028-14257
13F-HR Open Document Open Filing May 16, 2022 Mar 31, 2022 028-14257
13F-HR Open Document Open Filing Feb 14, 2022 Dec 31, 2021 028-14257
13F-HR Open Document Open Filing Nov 15, 2021 Sep 30, 2021 028-14257
13F-HR Open Document Open Filing Aug 13, 2021 Jun 30, 2021 028-14257
13F-HR Open Document Open Filing May 17, 2021 Mar 31, 2021 028-14257
13F-HR Open Document Open Filing Feb 12, 2021 Dec 31, 2020 028-14257
SC 13G/A Open Document Open Filing SCHEDULE 13G/A FILING, ISSUED BY LEO HOLDINGS CORP. Feb 12, 2021
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 12, 2021
SC 13G/A Open Document Open Filing SCHEDULE 13G/A FILING Feb 12, 2021
SC 13G/A Open Document Open Filing SCHED 13G/A FOR ALBERTON ACQUISITION BY WESTCHESTER CAPITAL MANAGEMENT LLC, Feb 12, 2021
13F-HR Open Document Open Filing Nov 16, 2020 Sep 30, 2020 028-14257
13F-HR Open Document Open Filing Aug 14, 2020 Jun 30, 2020 028-14257
SC 13G/A Open Document Open Filing SCHEDULE 13G-A FOR HALL OF FAME RESORT & ENTERTAINMENT COMPANY BY WESTCHESTER CA Jul 10, 2020
SC 13G Open Document Open Filing SCHEDULE 13G FOR GORDON POINTE ACQUISITION CORP. ON BEHALF OF WESTCHESTER CAPITA Jun 3, 2020
13F-HR Open Document Open Filing May 14, 2020 Mar 31, 2020 028-14257
SC 13G Open Document Open Filing SCHEDULE 13G FOR LEGACY ACQUISITION CORP. BY WESTCHESTER CAPITAL MANAGEMENT, LLC Feb 14, 2020
SC 13G Open Document Open Filing SCHEDULE 13G FOR OPES ACQUISITION CORP. BY WESTCHESTER CAPITAL MANAGEMENT, LLC Feb 14, 2020
SC 13G Open Document Open Filing SCHEDULE 13G FOR LEO HOLDINGS CORP. BY WESTCHESTER CAPITAL MANAGEMENT, LLC Feb 14, 2020
SC 13G/A Open Document Open Filing SCHEDULE 13G-A FOR ALBERTON ACQUISITION CORPORATION BY WESTCHESTER CAPITAL MANAG Feb 14, 2020
SC 13G/A Open Document Open Filing SCHEDULE 13G-A FOR TRIDENT ACQUISITIONS CORP. BY WESTCHESTER CAPITAL MANAGEMENT Feb 14, 2020
13F-HR Open Document Open Filing Feb 14, 2020 Dec 31, 2019 028-14257
13F-HR Open Document Open Filing Nov 14, 2019 Sep 30, 2019 028-14257
13F-HR Open Document Open Filing Aug 14, 2019 Jun 30, 2019 028-14257
13F-HR Open Document Open Filing May 15, 2019 Mar 31, 2019 028-14257
13F-HR Open Document Open Filing Feb 14, 2019 Dec 31, 2018 028-14257
SC 13G Open Document Open Filing SCHEDULE 13G FOR UNION ACQUISITION CORP. BY WESTCHESTER CAPITAL MANAGEMENT, LLC Feb 12, 2019
SC 13G Open Document Open Filing SCHEDULE 13G FOR TRINITY MERGER CORP. BY WESTCHESTER CAPITAL MANAGEMENT, LLC Feb 12, 2019
SC 13G Open Document Open Filing SCHEDULE 13G FOR TRIDENT ACQUISITIONS CORP. BY WESTCHESTER CAPITAL MANAGEMENT, L Feb 12, 2019
SC 13G Open Document Open Filing SCHEDULE 13G FOR GIGCAPITAL, INC. BY WESTCHESTER CAPITAL MANAGEMENT, LLC Feb 12, 2019
SC 13G Open Document Open Filing SCHEDULE 13G FOR CONSTELLATION ALPHA CAPITAL CORP. BY WESTCHESTER CAPITAL MANAGE Feb 12, 2019
SC 13G Open Document Open Filing SCHEDULE 13G FOR ALBERTON ACQUISITION CORPORATION BY WESTCHESTER CAPITAL MANAGEM Feb 12, 2019
SC 13G Open Document Open Filing SCHEDULE 13G FOR CM SEVEN STAR ACQUISITION CORPORATION BY WESTCHESTER CAPITAL MA Feb 12, 2019
13F-HR Open Document Open Filing Nov 14, 2018 Sep 30, 2018 028-14257
13F-HR Open Document Open Filing Aug 14, 2018 Jun 30, 2018 028-14257
13F-HR Open Document Open Filing May 15, 2018 Mar 31, 2018 028-14257
SC 13G Open Document Open Filing FILING SUBMITTED BY M. MOSTOW ON 1-31 FOR FILING ON 2-14 BETWEEN WESTCHESTER CAP Feb 14, 2018
13F-HR Open Document Open Filing Feb 14, 2018 Dec 31, 2017 028-14257
13F-HR Open Document Open Filing Nov 14, 2017 Sep 30, 2017 028-14257
13F-HR Open Document Open Filing Aug 14, 2017 Jun 30, 2017 028-14257
13F-HR Open Document Open Filing May 15, 2017 Mar 31, 2017 028-14257
13F-HR Open Document Open Filing Feb 14, 2017 Dec 31, 2016 028-14257
13F-HR Open Document Open Filing Nov 14, 2016 Sep 30, 2016 028-14257
13F-HR Open Document Open Filing Aug 15, 2016 Jun 30, 2016 028-14257
13F-HR Open Document Open Filing May 16, 2016 Mar 31, 2016 028-14257
13F-HR Open Document Open Filing Feb 16, 2016 Dec 31, 2015 028-14257
13F-HR Open Document Open Filing Nov 16, 2015 Sep 30, 2015 028-14257
13F-HR Open Document Open Filing Aug 14, 2015 Jun 30, 2015 028-14257
13F-HR/A Open Document Open Filing Jul 22, 2015 Mar 31, 2015 028-14257
13F-HR Open Document Open Filing May 15, 2015 Mar 31, 2015 028-14257
13F-HR Open Document Open Filing Feb 17, 2015 Dec 31, 2014 028-14257
13F-HR Open Document Open Filing Nov 14, 2014 Sep 30, 2014 028-14257
13F-HR Open Document Open Filing Aug 14, 2014 Jun 30, 2014 028-14257
13F-HR Open Document Open Filing May 15, 2014 Mar 31, 2014 028-14257
13F-HR Open Document Open Filing Feb 14, 2014 Dec 31, 2013 028-14257