# Fairmount Funds Management LLC: Form 13F holdings

An institutional investment manager in WEST CONSHOHOCKEN, PA. SEC CIK 1802528.

- Quarter ended: 2026-06-30
- Filed: 2026-08-14
- Reported value: $1.51bn
- Positions: 12 (12 lines in the filing's table; lines for the same security and option type are added together here)
- Compared with: the 13F for the quarter ended 2026-03-31
- Filing: https://www.sec.gov/Archives/edgar/data/1802528/000110465926096405/

## Holdings

As filed, largest first. Reported value is what the manager stated at the quarter end (Jun 30, 2026), in US dollars; it is filing data, not a price. Weight is the share of the total reported value.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [ORUKA THERAPEUTICS INC (ORKA)](/companies/orka.md) | COM | $352.6m | 23.3% | 3,705,262 |  | Unchanged |
| [DIANTHUS THERAPEUTICS INC (DNTH)](/companies/dnth.md) | COM | $247.3m | 16.3% | 2,537,191 |  | Unchanged |
| DAMORA THERAPEUTICS INC | COM NEW | $226.6m | 15.0% | 8,713,000 |  | Unchanged |
| [COGENT BIOSCIENCES INC (COGT)](/companies/cogt.md) | COM | $213.0m | 14.1% | 5,503,418 |  | Unchanged |
| [JADE BIOSCIENCES INC (JBIO)](/companies/jbio.md) | COM NEW | $101.2m | 6.7% | 4,553,494 |  | Unchanged |
| [ENLIVEN THERAPEUTICS INC (ELVN)](/companies/elvn.md) | COM | $94.2m | 6.2% | 1,855,644 |  | Unchanged |
| [VIRIDIAN THERAPEUTICS INC (VRDN)](/companies/vrdn.md) | COM | $93.5m | 6.2% | 5,090,928 |  | Added +1,176,470 |
| [ZENAS BIOPHARMA INC (ZBIO)](/companies/zbio.md) | COM | $59.9m | 4.0% | 2,359,025 |  | Unchanged |
| CRESCENT BIOPHARMA INC. | COM | $49.5m | 3.3% | 2,747,866 |  | Unchanged |
| APOGEE THERAPEUTICS INC | COM | $39.6m | 2.6% | 298,647 |  | Unchanged |
| [FAETH THERAPEUTICS INC (FTH)](/companies/fth.md) | COM NEW | $18.1m | 1.2% | 722,020 |  | New +722,020 |
| [INHIBIKASE THERAPEUTICS INC (IKT)](/companies/ikt.md) | COM NEW | $17.5m | 1.2% | 8,625,000 |  | Unchanged |

## Sold out

Held at the end of the quarter before and not reported this quarter.

| Issuer | Class | Reported value | Weight | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | ---: | --- | --- |
| [SPYRE THERAPEUTICS INC (SYRE)](/companies/syre.md) | COM NEW | $0 | 0.0% | 0 |  | Sold out −4,018,101 |

Source: SEC EDGAR, Form 13F-HR, accession 0001104659-26-096405. Last ingested by Listed: Oct 22, 2026, 05:26 ET. No prices; not investment advice.