Fairmount Funds Management LLC
- SEC CIK
- 0001802528
- Latest filing
- Aug 14, 2026
Holdings in Q4 2025
Holdings as of Dec 31, 2025, filed Feb 17, 2026. Long positions only; changes compare share counts with Q3 2025.
- Positions
- 13
- −4 vs. Q3 2025
- Portfolio value
- $1.31B
- +$202.4M (+18.2%) vs. Q3 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| COGTCogent Biosciences, Inc. | COM | 9,003,418 | $319.8M | 24.3% | 00.0% | Unchanged | History |
| APGEApogee Therapeutics, Inc. | COM | 2,048,647 | $154.6M | 11.8% | 00.0% | Unchanged | History |
| SYRESpyre Therapeutics, Inc. | COM NEW | 4,018,101 | $131.6M | 10.0% | 00.0% | Unchanged | History |
| VRDNViridian Therapeutics, Inc. | COM | 3,914,458 | $121.8M | 9.3% | +454,545+13.1% | Added | History |
| ORKAOruka Therapeutics, Inc. | COM | 3,705,262 | $112.3M | 8.5% | 00.0% | Unchanged | History |
| DNTHDianthus Therapeutics, Inc. | COM | 2,137,191 | $88.1M | 6.7% | −1,170,000−35.4% | Reduced | History |
| ZBIOZenas BioPharma, Inc. | COM | 2,209,025 | $80.2M | 6.1% | +316,219+16.7% | Added | History |
| NUVLNuvalent, Inc. | COM | 727,563 | $73.2M | 5.6% | 00.0% | Unchanged | History |
| JBIOJade Biosciences, Inc. | COM NEW | 4,553,494 | $70.3M | 5.3% | +1,333,126+41.4% | Added | History |
| ELVNEnliven Therapeutics, Inc. | COM | 3,711,444 | $57.2M | 4.4% | 00.0% | Unchanged | History |
| KNSAKiniksa Pharmaceuticals International, plc | ORD SHS CL A | 1,319,688 | $54.4M | 4.1% | −453,151−25.6% | Reduced | History |
| CBIOCrescent Biopharma, Inc. | COM | 2,747,866 | $32.6M | 2.5% | +1,360,000+98.0% | Added | History |
| IKTInhibikase Therapeutics, Inc. | COM NEW | 8,625,000 | $17.7M | 1.3% | +2,500,000+40.8% | Added | History |
Sold out since Q3 2025 (4)
Positions held at the end of Q3 2025 that are gone from this filing.
| Security | Class | Shares in Q3 2025 | Value in Q3 2025 | % of portfolio in Q3 2025 | History |
|---|---|---|---|---|---|
| AXSMAxsome Therapeutics, Inc. | COM | 815,176 | $99.0M | 8.9% | History |
| SRRKScholar Rock Holding Corp | COM | 1,824,031 | $67.9M | 6.1% | History |
| ABVXAbivax S.A. | SPONSORED ADS | 713,434 | $60.6M | 5.4% | History |
| ATXSAstria Therapeutics, Inc. | COM | 3,554,129 | $25.9M | 2.3% | History |