Reporting Owner Activity for Fairmount Funds Management LLC

Form 3/4/5 issuer positions and transaction evidence for this reporting owner.

Issuer positions

Largest position

Cogent Biosciences, Inc.

Disclosed value

$1.44B

Recent activity

Available

Location: West Conshohocken, PA
Ownership summary: Disclosed holdings value
$1,435,213,497
Estimated from parsed Forms 3/4/5 holdings when values are available.
Issuer positions
10
Distinct issuers linked to this reporting owner in parsed SEC filings.
Largest parsed position
Cogent Biosciences, Inc. (COGT)
About $789.38M reported in parsed filings.
Latest ownership filing
29 May 2026
Most recent owner-level filing date in the parsed SEC record.
Cogent Biosciences, Inc. (COGT)
Director - about $789.38M reported
Damora Therapeutics, Inc. (DMRA)
Director, 10%+ Owner - about $190.12M reported
Viridian Therapeutics, Inc.\DE (VRDN)
Director, 10%+ Owner - about $172.66M reported
CRESCENT BIOPHARMA, INC. (CBIO)
Director, 10%+ Owner - about $60.56M reported
Oruka Therapeutics, Inc. (ORKA)
Director, 10%+ Owner - about $54.32M reported
Jade Biosciences, Inc. (JBIO)
Director, 10%+ Owner - about $48.08M reported
+4 more
Additional issuer positions are listed below.
Values come from parsed SEC Forms 3/4/5 and should be verified against the source filing.
Reporting signature: /s/ Tomas Kiselak, Managing Member of Fairmount Healthcare Fund II L.P.
Source filings: Open source filing history

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