Fairmount Funds Management LLC (CIK 0001802528)

Latest company ownership

Shares held
9,003,418
Last filed at
Jul 14, 2025
Confidence Score
59.4
2025Q4
Confidence Score History
2022Q2 2025Q4
Shares held
3,914,458
Last filed at
Oct 27, 2025
Confidence Score
87.5
2025Q4
Confidence Score History
2021Q3 2025Q4
Shares held
2,209,025
Last filed at
Oct 9, 2025
Confidence Score
87.5
2025Q4
Confidence Score History
2024Q3 2025Q4
Shares held
1,387,866
Last filed at
Jun 23, 2025
Confidence Score
87.5
2025Q4
Confidence Score History
2025Q4 2025Q4
Shares held
832,333
Last filed at
Jan 24, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4
Shares held
51,166
Last filed at
Jan 31, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2023Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 4, 2025 Dec 8, 2025 CRESCENT BIOPHARMA, INC. Director Buy 100.0 +1,360,000 97.99% ✗ $18.2M
Oct 23, 2025 Oct 27, 2025 Viridian Therapeutics, Inc.\DE Director Buy 100.0 +454,545 13.14% ✗ $10M
Oct 7, 2025 Oct 9, 2025 Zenas BioPharma, Inc. Director Buy 100.0 +316,219 16.71% ✗ $6M
Jul 10, 2025 Jul 14, 2025 Cogent Biosciences, Inc. Director Buy 100.0 +2,777,777 44.62% ✗ $25M
Sep 13, 2024 Sep 17, 2024 Viridian Therapeutics, Inc.\DE Director Buy 100.0 +1,600,000 86.68% ✗ $30M
Sep 16, 2024 Sep 17, 2024 Zenas BioPharma, Inc. Director Buy 100.0 +300,000 18.83% ✗ $5.1M
Sep 16, 2024 Sep 16, 2024 Zenas BioPharma, Inc. Director Buy 100.0 +300,000 22.99% ✗ $5.1M
Jan 22, 2024 Jan 24, 2024 Viridian Therapeutics, Inc.\DE Director Buy 100.0 +476,190 34.77% ✗ $10M
Sep 29, 2023 Oct 3, 2023 Dianthus Therapeutics, Inc. /DE/ Director Buy 85.0 +24,670 1.30% ✗ $336.3K
Sep 26, 2023 Sep 28, 2023 Dianthus Therapeutics, Inc. /DE/ Director Buy 85.0 +30,000 1.60% ✗ $394.5K
Sep 19, 2023 Sep 21, 2023 Dianthus Therapeutics, Inc. /DE/ Director Buy 85.0 +30,000 1.63% ✗ $396K
Sep 12, 2023 Sep 13, 2023 Dianthus Therapeutics, Inc. /DE/ Director Buy 85.0 +24,254 1.33% ✗ $271.7K
Jul 13, 2023 Jul 17, 2023 Apogee Therapeutics, Inc. Director Buy 100.0 +2,941,176 100.00% ✗ $50M
Jun 9, 2023 Jun 13, 2023 Cogent Biosciences, Inc. 10% Owner Buy 100.0 +800,000 29.00% ✗ $9.6M
Aug 17, 2022 Aug 19, 2022 Viridian Therapeutics, Inc.\DE Director Buy 100.0 +425,531 45.07% ✗ $10M
Jun 16, 2022 Jun 21, 2022 Cogent Biosciences, Inc. 10% Owner Buy 100.0 +1,200,000 76.97% ✗ $9.9M
Sep 21, 2021 Sep 23, 2021 Viridian Therapeutics, Inc.\DE Director Buy 100.0 +909,000 2590.33% ✗ $10M