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Fairmount Funds Management LLC Insider Profile
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Fairmount Funds Management LLC, Director at Cogent Biosciences, holds 5.50M shares in Cogent Biosciences (Ticker: COGT), holds 400.98K shares in Apogee Therapeutics (Ticker: APGE), holds 2.75M shares in Crescent Biopharma (Ticker: CBIO). Most recently, Fairmount Funds Management LLC Sold ― shares of Cogent Biosciences on Jan 22, 2026 for an estimated value of $127.40M.
Fairmount Funds Management LLC Cogent Biosciences (COGT)Director
Cogent Biosciences (COGT)
Director
Ranked #1,523 out of 105,518 Corporate Insiders
Profitable Transactions
10 out of 16 Profitable Transactions
Average Return
+50.00%
Average return per transaction
Time Frame
Compare to
Insider Holdings
A breakdown of Fairmount Funds Management LLC's holdings
Insider Roles
Roles that Fairmount Funds Management LLC holds in companies
Most Profitable Insider Trade
The most profitable trade made by Fairmount Funds Management LLC
Fairmount Funds Management LLC's Trading History
Cogent Biosciences
Jan 22, 2026
Director
Informative Sell
127.40M
$197.63M
Viridian Therapeutics
Oct 27, 2025
Director, Ten Percent Owner
Informative Buy
10.00M
$129.18M
Apogee Therapeutics
Jan 22, 2026
Director
Informative Sell
133.53M
$26.27M
Dianthus Therapeutics
Oct 01, 2024
Director
Uninformative Sell
―
$144.19M
Spyre Therapeutics
Apr 25, 2024
Director
Uninformative Buy
118.18M
$154.47M
Oruka Therapeutics
Sep 19, 2025
Director, Ten Percent Owner
Uninformative Buy
5.00M
$126.83M
Zenas BioPharma, Inc.
Oct 09, 2025
Director
Informative Buy
6.01M
$40.58M
Jade Biosciences
Oct 08, 2025
Director, Ten Percent Owner
Uninformative Buy
12.18M
$71.08M
Crescent Biopharma
Dec 08, 2025
Director, Ten Percent Owner
Informative Buy
18.24M
$26.35M
List of latest transactions for each holding click on a transaction to see Fairmount Funds Management LLC's performance on stock
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Fairmount Funds Management LLC insider profile FAQ
What is the percentage of profitable transactions made by Fairmount Funds Management LLC?
The percentage of profitable transactions made by Fairmount Funds Management LLC is 63%.
What is the average return per transaction made by Fairmount Funds Management LLC?
The average return per transaction made by Fairmount Funds Management LLC is 50.00%.
What stocks does Fairmount Funds Management LLC hold?
Fairmount Funds Management LLC holds: COGT, VRDN, APGE, DNTH, SYRE, ORKA, ZBIO, JBIO, CBIO stocks.
What was Fairmount Funds Management LLC’s latest transaction?
Fairmount Funds Management LLC latest transaction was an Informative Sell of $127.40M.
What was Fairmount Funds Management LLC's most profitable transaction?
Fairmount Funds Management LLC’s most profitable transaction was an Informative Buy of COGT stock on July 14, 2025. The return on the trade was 220.70%.
What is Fairmount Funds Management LLC's role in Cogent Biosciences?
Fairmount Funds Management LLC's role in Cogent Biosciences is Director.
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