Filed: 2/17/2026ACC: 0001104659-26-016303
📋 What this filing means
FAIRMOUNT FUNDS MANAGEMENT LLC filed this quarterly 13F‑HR report disclosing 13 equity positions with a total reported market value of $1.31B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
13
Positions
$1.31B
Total AUM (reported)
48.72M
Total Shares
Allocation by class
COM$1.04B79.1%
COM NEW$219.57M16.7%
ORD SHS CL A$54.44M4.1%
Portfolio Concentration
Top 3$606.07M46.1%
4–10$603.01M45.9%
11–25$104.71M8.0%
Top 3 weight
46.1%
Top 10 weight
92.0%
Voting Authority Distribution
Total shares with voting rights: 48.72M
Sole
Full voting authority
48.72M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole13
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings13
Rows:
COGENT BIOSCIENCES INC
SOLEShares9M
TypeSH
Market value$319.80M
24.34%
Sole
9M
Shared
0.00
None
0.00
APOGEE THERAPEUTICS INC
SOLEShares2.05M
TypeSH
Market value$154.63M
11.77%
Sole
2.05M
Shared
0.00
None
0.00
SPYRE THERAPEUTICS INC
SOLEShares4.02M
TypeSH
Market value$131.63M
10.02%
Sole
4.02M
Shared
0.00
None
0.00
VIRIDIAN THERAPEUTICS INC
SOLEShares3.91M
TypeSH
Market value$121.82M
9.27%
Sole
3.91M
Shared
0.00
None
0.00
ORUKA THERAPEUTICS INC
SOLEShares3.71M
TypeSH
Market value$112.31M
8.55%
Sole
3.71M
Shared
0.00
None
0.00
DIANTHUS THERAPEUTICS INC
SOLEShares2.14M
TypeSH
Market value$88.07M
6.70%
Sole
2.14M
Shared
0.00
None
0.00
ZENAS BIOPHARMA INC
SOLEShares2.21M
TypeSH
Market value$80.21M
6.11%
Sole
2.21M
Shared
0.00
None
0.00
NUVALENT INC
SOLEShares727.56K
TypeSH
Market value$73.19M
5.57%
Sole
727.56K
Shared
0.00
None
0.00
JADE BIOSCIENCES INC
SOLEShares4.55M
TypeSH
Market value$70.26M
5.35%
Sole
4.55M
Shared
0.00
None
0.00
ENLIVEN THERAPEUTICS INC
SOLEShares3.71M
TypeSH
Market value$57.16M
4.35%
Sole
3.71M
Shared
0.00
None
0.00
KINIKSA PHARMACEUTICALS INTL
SOLEShares1.32M
TypeSH
Market value$54.44M
4.14%
Sole
1.32M
Shared
0.00
None
0.00
CRESCENT BIOPHARMA INC.
SOLEShares2.75M
TypeSH
Market value$32.59M
2.48%
Sole
2.75M
Shared
0.00
None
0.00
INHIBIKASE THERAPEUTICS INC
SOLEShares8.63M
TypeSH
Market value$17.68M
1.35%
Sole
8.63M
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
COGENT BIOSCIENCES INCSOLE | COM | 9M | SH | $319.80M 24.34% | 9M | 0.00 | 0.00 |
APOGEE THERAPEUTICS INCSOLE | COM | 2.05M | SH | $154.63M 11.77% | 2.05M | 0.00 | 0.00 |
SPYRE THERAPEUTICS INCSOLE | COM NEW | 4.02M | SH | $131.63M 10.02% | 4.02M | 0.00 | 0.00 |
VIRIDIAN THERAPEUTICS INCSOLE | COM | 3.91M | SH | $121.82M 9.27% | 3.91M | 0.00 | 0.00 |
ORUKA THERAPEUTICS INCSOLE | COM | 3.71M | SH | $112.31M 8.55% | 3.71M | 0.00 | 0.00 |
DIANTHUS THERAPEUTICS INCSOLE | COM | 2.14M | SH | $88.07M 6.70% | 2.14M | 0.00 | 0.00 |
ZENAS BIOPHARMA INCSOLE | COM | 2.21M | SH | $80.21M 6.11% | 2.21M | 0.00 | 0.00 |
NUVALENT INCSOLE | COM | 727.56K | SH | $73.19M 5.57% | 727.56K | 0.00 | 0.00 |
JADE BIOSCIENCES INCSOLE | COM NEW | 4.55M | SH | $70.26M 5.35% | 4.55M | 0.00 | 0.00 |
ENLIVEN THERAPEUTICS INCSOLE | COM | 3.71M | SH | $57.16M 4.35% | 3.71M | 0.00 | 0.00 |
KINIKSA PHARMACEUTICALS INTLSOLE | ORD SHS CL A | 1.32M | SH | $54.44M 4.14% | 1.32M | 0.00 | 0.00 |
CRESCENT BIOPHARMA INC.SOLE | COM | 2.75M | SH | $32.59M 2.48% | 2.75M | 0.00 | 0.00 |
INHIBIKASE THERAPEUTICS INCSOLE | COM NEW | 8.63M | SH | $17.68M 1.35% | 8.63M | 0.00 | 0.00 |