Fairmount Funds Management LLC SEC EDGAR Filings (CIK 0001802528)

SEC EDGAR filings, ownership reports, and insider transactions for Fairmount Funds Management LLC.

Business address
200 Barr Harbor Drive, Suite 400, West Conshohocken, PA, 19428
Top holdings (ownership)
VRDN, COGT, CBIO, ORKA, JBIO, DNTH, and ZBIO
Top securities (13F)
DNTH, COGT, AXSM, APGE, ELVN, VRDN, ORKA, KNSA, SRRK, SYRE, NUVL, ABVX, ZBIO, JBIO, ATXS, CBIO, and IKT
Top holdings (Schedule 13D)
VRDN, APGE, COGT, ORKA, SYRE, JBIO, CBIO, DNTH, GLTO, and GLYC
Top holdings (Schedule 13G)
ELVN, ANAB, ATXS, IKT, and KNSA
State of incorporation
DE
Fiscal year end
31 December
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Fairmount Funds Management LLC has filed 168 SEC EDGAR filings since 12 Feb 2020

Latest Filings

Recent SEC filings for Fairmount Funds Management LLC including SCHEDULE 13D/A, 4, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 08 Dec 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Dec 2025 04 Dec 2025 001-36177
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 25 Nov 2025
3 Open 3 document View SEC filing for 3 3 17 Nov 2025 10 Nov 2025 001-39655
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 17 Nov 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 17 Nov 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2025 30 Sep 2025 028-19908
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 27 Oct 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 27 Oct 2025 23 Oct 2025 001-36483
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 17 Oct 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 Oct 2025
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 14 Oct 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 09 Oct 2025 07 Oct 2025 001-42270
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 08 Oct 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Oct 2025 06 Oct 2025 001-40544
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 19 Sep 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Sep 2025 17 Sep 2025 000-22873
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 15 Sep 2025
N-PX Open N-PX document View SEC filing for N-PX 02 Sep 2025 30 Jun 2025 028-19908
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2025 30 Jun 2025 028-19908
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 14 Jul 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 Jul 2025 10 Jul 2025 001-38443
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 23 Jun 2025 23 Jun 2025 001-36177
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 23 Jun 2025
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 23 Jun 2025 13 Jun 2025 001-36177
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 20 Jun 2025 17 Jun 2025 001-41740
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Jun 2025 10 Jun 2025 001-42270
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 11 Jun 2025 09 Jun 2025 001-36483
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Jun 2025 02 Jun 2025 000-22873
4 Open 4 document View SEC filing for 4 FORM 4 02 Jun 2025 29 May 2025 001-37722
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2025 31 Mar 2025 028-19908
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 01 May 2025
4 Open 4 document View SEC filing for 4 4 01 May 2025 29 Apr 2025 001-40544
3 Open 3 document View SEC filing for 3 3 01 May 2025 28 Apr 2025 001-40544
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 10 Mar 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2025 31 Dec 2024 028-19908
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 18 Dec 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 2 TO SCHEDULE 13D 21 Nov 2024
4 Open 4 document View SEC filing for 4 21 Nov 2024 19 Nov 2024 000-22873
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Nov 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2024 30 Sep 2024 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 17 Oct 2024
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 01 Oct 2024 27 Sep 2024 001-38541
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Sep 2024 13 Sep 2024 001-36483
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 17 Sep 2024
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 17 Sep 2024 12 Sep 2024 001-42270
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Sep 2024 12 Sep 2024 001-42270
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO SCHEDULE 13D 13 Sep 2024
4 Open 4 document View SEC filing for 4 13 Sep 2024 11 Sep 2024 000-22873
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 12 Sep 2024 12 Sep 2024 001-42270
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 06 Sep 2024
3 Open 3 document View SEC filing for 3 06 Sep 2024 29 Aug 2024 000-22873
N-PX Open N-PX document View SEC filing for N-PX 03 Sep 2024 30 Jun 2024 028-19908
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2024 30 Jun 2024 028-19908
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 13 Jun 2024
4 Open 4 document View SEC filing for 4 4 12 Jun 2024 10 Jun 2024 001-38443
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 07 Jun 2024 05 Jun 2024 001-41740
4 Open 4 document View SEC filing for 4 4 28 May 2024 23 May 2024 001-38541
4 Open 4 document View SEC filing for 4 4 16 May 2024 14 May 2024 001-37722
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2024 31 Mar 2024 028-19908
4 Open 4 document View SEC filing for 4 4 25 Apr 2024 25 Apr 2024 001-37722
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 25 Apr 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 01 Apr 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 01 Apr 2024
4 Open 4 document View SEC filing for 4 4 01 Apr 2024 28 Mar 2024 001-36483
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 01 Apr 2024
4 Open 4 document View SEC filing for 4 4 01 Apr 2024 01 Apr 2024 001-38541
4 Open 4 document View SEC filing for 4 4 01 Apr 2024 28 Mar 2024 001-38443
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 01 Apr 2024 28 Mar 2024 001-41740
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 01 Apr 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 27 Mar 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 16 Feb 2024
4 Open 4 document View SEC filing for 4 4 16 Feb 2024 16 Feb 2024 001-38443
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2024 31 Dec 2023 028-19908
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2024
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 31 Jan 2024 29 Jan 2024 001-41740
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 31 Jan 2024
4 Open 4 document View SEC filing for 4 4 24 Jan 2024 22 Jan 2024 001-38541
4 Open 4 document View SEC filing for 4 4 24 Jan 2024 22 Jan 2024 001-36483
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 24 Jan 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 24 Jan 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 29 Dec 2023
4 Open 4 document View SEC filing for 4 4 29 Dec 2023 29 Dec 2023 001-37722
4 Open 4 document View SEC filing for 4 4 11 Dec 2023 07 Dec 2023 001-37722
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 11 Dec 2023
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 29 Nov 2023
4 Open 4 document View SEC filing for 4 4 28 Nov 2023 24 Nov 2023 001-37722
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2023 30 Sep 2023 028-19908
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 03 Nov 2023
4 Open 4 document View SEC filing for 4 4 01 Nov 2023 30 Oct 2023 001-36483
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 10 Oct 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Oct 2023 29 Sep 2023 001-38541
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 28 Sep 2023 26 Sep 2023 001-38541
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 21 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Sep 2023 19 Sep 2023 001-38541
4 Open 4 document View SEC filing for 4 4 13 Sep 2023 11 Sep 2023 001-38541
3 Open 3 document View SEC filing for 3 3 13 Sep 2023 11 Sep 2023 001-38541
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2023 30 Jun 2023 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 10 Aug 2023
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 21 Jul 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jul 2023 13 Jul 2023 001-41740
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 13 Jul 2023 13 Jul 2023 001-41740
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 07 Jul 2023
3 Open 3 document View SEC filing for 3 3 30 Jun 2023 22 Jun 2023 001-37722
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 30 Jun 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 13 Jun 2023 09 Jun 2023 001-38443
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 13 Jun 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2023 31 Mar 2023 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 27 Apr 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2023 31 Dec 2022 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 09 Nov 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2022 30 Sep 2022 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 26 Oct 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 25 Aug 2022
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 19 Aug 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Aug 2022 17 Aug 2022 001-36483
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2022 30 Jun 2022 028-19908
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 21 Jun 2022
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 Jun 2022 16 Jun 2022 001-38443
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2022 31 Mar 2022 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 21 Apr 2022
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 21 Apr 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2022 31 Dec 2021 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 11 Feb 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ASTRIA THERAPEUTICS, INC. 08 Feb 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2021 30 Sep 2021 028-19908
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 23 Sep 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Sep 2021 21 Sep 2021 001-36483
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 22 Sep 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2021 30 Jun 2021 028-19908
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 17 Jun 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2021 31 Mar 2021 028-19908
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2021 31 Dec 2020 028-19908
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 05 Jan 2021
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2020 30 Sep 2020 028-19908
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Oct 2020 30 Oct 2020 001-36483
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 30 Oct 2020 27 Oct 2020 001-36483
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Oct 2020 27 Oct 2020 001-36483
13F-HR Open 13F-HR document View SEC filing for 13F-HR 04 Aug 2020 30 Jun 2020 028-19908
4 Open 4 document View SEC filing for 4 FORM 4 13 Jul 2020 09 Jul 2020 001-38443
SC 13D Open SC 13D document View SEC filing for SC 13D 10 Jul 2020
4 Open 4 document View SEC filing for 4 FORM 4 08 Jul 2020 06 Jul 2020 001-38443
3 Open 3 document View SEC filing for 3 FORM 3 08 Jul 2020 06 Jul 2020 001-38443
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 May 2020 31 Mar 2020 028-19908
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2020 31 Dec 2019 028-19908

About this filer

Fairmount Funds Management LLC files with the SEC under CIK 0001802528. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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