Fairmount Funds Management LLC 13F Holdings

CIK 0001802528 · WEST CONSHOHOCKEN, PA

As of Sep 30, 2025, Fairmount Funds Management LLC reported 17 positions worth .1B in its SEC Form 13F filing.

Top 17 holdings

SecurityTickerSectorSharesValue% of portfolio
DIANTHUS THERAPEUTICS INCDNTHHealthcare3,307,191 30.1M11.71%
COGENT BIOSCIENCES INCCOGTHealthcare9,003,418 29.3M11.63%
AXSOME THERAPEUTICS INCAXSMHealthcare815,176$99.0M8.91%
APOGEE THERAPEUTICS INCAPGEHealthcare2,048,647$81.4M7.32%
ENLIVEN THERAPEUTICS INCELVNHealthcare3,711,444$76.0M6.84%
VIRIDIAN THERAPEUTICS INCVRDNHealthcare3,459,913$74.7M6.72%
ORUKA THERAPEUTICS INCORKAHealthcare3,705,262$71.3M6.41%
KINIKSA PHARMACEUTICALS INTERNATIONAL PLCKNSAHealthcare1,772,839$68.8M6.19%
SCHOLAR ROCK HOLDING CORPSRRKHealthcare1,824,031$67.9M6.11%
SPYRE THERAPEUTICS INCSYREHealthcare4,018,101$67.3M6.06%
NUVALENT INCNUVLHealthcare727,563$62.9M5.66%
ABIVAX SAABVXHealthcare713,434$60.6M5.45%
ZENAS BIOPHARMA INCZBIOHealthcare1,892,806$42.0M3.78%
JADE BIOSCIENCES INCJBIO—3,220,368$27.8M2.50%
ASTRIA THERAPEUTICS INCATXSHealthcare3,554,129$25.9M2.33%
CRESCENT BIOPHARMA INC.CBIOHealthcare1,387,866 6.5M1.48%
INHIBIKASE THERAPEUTICS INCIKTHealthcare6,125,000$9.9M0.89%