Fairmount Funds Management LLC

Entity
Company
Business address
200 Barr Harbor Drive, Suite 400, 19428 West Conshohocken, PA
Phone
267-262-5300
State of incorporation
DE
Fiscal year end
December 31
Signature 13F
Erin O'Connor - Chief Compliance Officer
Signature Schedule 13D/G
Fairmount Funds Management LLC - Peter Harwin, Managing Member
Signature Ownership
/s/ Tomas Kiselak, Managing Member of Fairmount Funds Management LLC
All SEC filings
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Fairmount Funds Management LLC has filed 151 SEC EDGAR filings since 2/12/2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open Document Open Filing Sep 15, 2025
N-PX Open Document Open Filing Sep 2, 2025 Jun 30, 2025 028-19908
SCHEDULE 13G/A Open Document Open Filing Aug 14, 2025
13F-HR Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-19908
SCHEDULE 13D/A Open Document Open Filing Jul 14, 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 14, 2025 Jul 10, 2025 001-38443
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 23, 2025 Jun 23, 2025 001-36177
SCHEDULE 13D Open Document Open Filing Jun 23, 2025
3 Open Document Open Filing OWNERSHIP DOCUMENT Jun 23, 2025 Jun 13, 2025 001-36177
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 20, 2025 Jun 17, 2025 001-41740
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 12, 2025 Jun 10, 2025 001-42270
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 11, 2025 Jun 9, 2025 001-36483
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 3, 2025 Jun 2, 2025 000-22873
4 Open Document Open Filing FORM 4 Jun 2, 2025 May 29, 2025 001-37722
13F-HR Open Document Open Filing May 15, 2025 Mar 31, 2025 028-19908
SCHEDULE 13D Open Document Open Filing May 1, 2025
4 Open Document Open Filing 4 May 1, 2025 Apr 29, 2025 001-40544
3 Open Document Open Filing 3 May 1, 2025 Apr 28, 2025 001-40544
SCHEDULE 13D/A Open Document Open Filing Mar 10, 2025
13F-HR Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-19908
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
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
SCHEDULE 13G Open Document Open Filing Dec 18, 2024
SC 13D/A Open Document Open Filing AMENDMENT NO. 2 TO SCHEDULE 13D Nov 21, 2024
4 Open Document Open Filing Nov 21, 2024 Nov 19, 2024 000-22873
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
13F-HR Open Document Open Filing Nov 14, 2024 Sep 30, 2024 028-19908
SC 13G Open Document Open Filing SC 13G Oct 17, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 1, 2024 Sep 27, 2024 001-38541
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 17, 2024 Sep 13, 2024 001-36483
SC 13D/A Open Document Open Filing SC 13D/A Sep 17, 2024
4/A Open Document Open Filing OWNERSHIP DOCUMENT Sep 17, 2024 Sep 12, 2024 001-42270
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 16, 2024 Sep 12, 2024 001-42270
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO SCHEDULE 13D Sep 13, 2024
4 Open Document Open Filing Sep 13, 2024 Sep 11, 2024 000-22873
3 Open Document Open Filing OWNERSHIP DOCUMENT Sep 12, 2024 Sep 12, 2024 001-42270
SC 13D Open Document Open Filing SCHEDULE 13D Sep 6, 2024
3 Open Document Open Filing Sep 6, 2024 Aug 29, 2024 000-22873
N-PX Open Document Open Filing Sep 3, 2024 Jun 30, 2024 028-19908
13F-HR Open Document Open Filing Aug 14, 2024 Jun 30, 2024 028-19908
SC 13D/A Open Document Open Filing SC 13D/A Jun 13, 2024
4 Open Document Open Filing 4 Jun 12, 2024 Jun 10, 2024 001-38443
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 7, 2024 Jun 5, 2024 001-41740
4 Open Document Open Filing 4 May 28, 2024 May 23, 2024 001-38541
4 Open Document Open Filing 4 May 16, 2024 May 14, 2024 001-37722
13F-HR Open Document Open Filing May 15, 2024 Mar 31, 2024 028-19908
4 Open Document Open Filing 4 Apr 25, 2024 Apr 25, 2024 001-37722
SC 13D/A Open Document Open Filing SC 13D/A Apr 25, 2024
SC 13D/A Open Document Open Filing SC 13D/A Apr 1, 2024
SC 13D/A Open Document Open Filing SC 13D/A Apr 1, 2024
4 Open Document Open Filing 4 Apr 1, 2024 Mar 28, 2024 001-36483
SC 13D/A Open Document Open Filing SC 13D/A Apr 1, 2024
4 Open Document Open Filing 4 Apr 1, 2024 Apr 1, 2024 001-38541
4 Open Document Open Filing 4 Apr 1, 2024 Mar 28, 2024 001-38443
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 1, 2024 Mar 28, 2024 001-41740
SC 13D/A Open Document Open Filing SC 13D/A Apr 1, 2024
SC 13D/A Open Document Open Filing SC 13D/A Mar 27, 2024
SC 13D/A Open Document Open Filing SC 13D/A Feb 16, 2024
4 Open Document Open Filing 4 Feb 16, 2024 Feb 16, 2024 001-38443
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
13F-HR Open Document Open Filing Feb 14, 2024 Dec 31, 2023 028-19908
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 31, 2024 Jan 29, 2024 001-41740
SC 13D/A Open Document Open Filing SC 13D/A Jan 31, 2024
4 Open Document Open Filing 4 Jan 24, 2024 Jan 22, 2024 001-38541
4 Open Document Open Filing 4 Jan 24, 2024 Jan 22, 2024 001-36483
SC 13D/A Open Document Open Filing SC 13D/A Jan 24, 2024
SC 13D/A Open Document Open Filing SC 13D/A Jan 24, 2024
SC 13D/A Open Document Open Filing SC 13D/A Dec 29, 2023
4 Open Document Open Filing 4 Dec 29, 2023 Dec 29, 2023 001-37722
4 Open Document Open Filing 4 Dec 11, 2023 Dec 7, 2023 001-37722
SC 13D/A Open Document Open Filing SC 13D/A Dec 11, 2023
SC 13D/A Open Document Open Filing SC 13D/A Nov 29, 2023
4 Open Document Open Filing 4 Nov 28, 2023 Nov 24, 2023 001-37722
13F-HR Open Document Open Filing Nov 14, 2023 Sep 30, 2023 028-19908
SC 13D/A Open Document Open Filing SC 13D/A Nov 3, 2023
4 Open Document Open Filing 4 Nov 1, 2023 Oct 30, 2023 001-36483
SC 13G Open Document Open Filing SC 13G Oct 10, 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 3, 2023 Sep 29, 2023 001-38541
4 Open Document Open Filing OWNERSHIP DOCUMENT Sep 28, 2023 Sep 26, 2023 001-38541
SC 13D Open Document Open Filing SC 13D Sep 21, 2023
4 Open Document Open Filing FORM 4 SUBMISSION Sep 21, 2023 Sep 19, 2023 001-38541
4 Open Document Open Filing 4 Sep 13, 2023 Sep 11, 2023 001-38541
3 Open Document Open Filing 3 Sep 13, 2023 Sep 11, 2023 001-38541
13F-HR Open Document Open Filing Aug 14, 2023 Jun 30, 2023 028-19908
SC 13G Open Document Open Filing SC 13G Aug 10, 2023
SC 13D Open Document Open Filing SC 13D Jul 21, 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 17, 2023 Jul 13, 2023 001-41740
3 Open Document Open Filing OWNERSHIP DOCUMENT Jul 13, 2023 Jul 13, 2023 001-41740
SC 13G Open Document Open Filing SC 13G Jul 7, 2023
3 Open Document Open Filing 3 Jun 30, 2023 Jun 22, 2023 001-37722
SC 13D Open Document Open Filing SC 13D Jun 30, 2023
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 13, 2023 Jun 9, 2023 001-38443
SC 13D/A Open Document Open Filing SC 13D/A Jun 13, 2023
13F-HR Open Document Open Filing May 15, 2023 Mar 31, 2023 028-19908
SC 13G Open Document Open Filing SC 13G Apr 27, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
13F-HR Open Document Open Filing Feb 14, 2023 Dec 31, 2022 028-19908
SC 13G Open Document Open Filing SC 13G Nov 9, 2022
13F-HR Open Document Open Filing Nov 9, 2022 Sep 30, 2022 028-19908
SC 13G Open Document Open Filing SC 13G Oct 26, 2022
SC 13G Open Document Open Filing SC 13G Aug 25, 2022
SC 13D/A Open Document Open Filing SC 13D/A Aug 19, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Aug 19, 2022 Aug 17, 2022 001-36483
13F-HR Open Document Open Filing Aug 15, 2022 Jun 30, 2022 028-19908
SC 13D/A Open Document Open Filing SC 13D/A Jun 21, 2022
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 21, 2022 Jun 16, 2022 001-38443
13F-HR Open Document Open Filing May 16, 2022 Mar 31, 2022 028-19908
SC 13G Open Document Open Filing SC 13G Apr 21, 2022
SC 13G Open Document Open Filing SC 13G Apr 21, 2022
13F-HR Open Document Open Filing Feb 14, 2022 Dec 31, 2021 028-19908
SC 13G Open Document Open Filing SC 13G Feb 11, 2022
SC 13G/A Open Document Open Filing ASTRIA THERAPEUTICS, INC. Feb 8, 2022
13F-HR Open Document Open Filing Nov 15, 2021 Sep 30, 2021 028-19908
SC 13D/A Open Document Open Filing SC 13D/A Sep 23, 2021
4 Open Document Open Filing FORM 4 SUBMISSION Sep 23, 2021 Sep 21, 2021 001-36483
SC 13G/A Open Document Open Filing SC 13G/A Sep 22, 2021
13F-HR Open Document Open Filing Aug 13, 2021 Jun 30, 2021 028-19908
SC 13G Open Document Open Filing SC 13G Jun 17, 2021
13F-HR Open Document Open Filing May 14, 2021 Mar 31, 2021 028-19908
13F-HR Open Document Open Filing Feb 12, 2021 Dec 31, 2020 028-19908
SC 13D Open Document Open Filing SC 13D Jan 5, 2021
13F-HR Open Document Open Filing Nov 12, 2020 Sep 30, 2020 028-19908
4 Open Document Open Filing FORM 4 SUBMISSION Oct 30, 2020 Oct 30, 2020 001-36483
3 Open Document Open Filing FORM 3 SUBMISSION Oct 30, 2020 Oct 27, 2020 001-36483
4 Open Document Open Filing FORM 4 SUBMISSION Oct 29, 2020 Oct 27, 2020 001-36483
13F-HR Open Document Open Filing Aug 4, 2020 Jun 30, 2020 028-19908
4 Open Document Open Filing FORM 4 Jul 13, 2020 Jul 9, 2020 001-38443
SC 13D Open Document Open Filing Jul 10, 2020
4 Open Document Open Filing FORM 4 Jul 8, 2020 Jul 6, 2020 001-38443
3 Open Document Open Filing FORM 3 Jul 8, 2020 Jul 6, 2020 001-38443
13F-HR Open Document Open Filing May 8, 2020 Mar 31, 2020 028-19908
13F-HR Open Document Open Filing Feb 12, 2020 Dec 31, 2019 028-19908