Position history for GILDER GAGNON HOWE & CO LLC's holdings in ALNYLAM PHARMACEUTICALS INC
GILDER GAGNON HOWE & CO LLC holds 319,305 shares of ALNY (ALNYLAM PHARMACEUTICALS INC), worth $127M as of 2025-Q4. The position was decreased (-3.0% shares). ALNY represents 1.3% of GILDER GAGNON HOWE & CO LLC's portfolio.
Current Value
$127M
Current Shares
319,305
Total Value Change
+$30.1M
Total Shares Change
-79,311
Other major holders of ALNY: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Decreased |
| 319,305 |
-3.0% |
| $127M |
| 1.3% |
| $397.25 |
0 |
| 2025-Q3 | Decreased | 329,321 | -2.3% | $150.2M | 1.5% | $447.49 | 0 |
| 2025-Q2 | Decreased | 337,088 | -2.5% | $109.9M | 1.2% | $322.83 | 0 |
| 2025-Q1 | Decreased | 345,575 | -5.4% | $93.3M | 1.2% | $268.46 | 0 |
| 2024-Q4 | Decreased | 365,463 | -4.8% | $86M | 0.9% | $236.01 | 0 |
| 2024-Q3 | Decreased | 383,993 | -3.7% | $105.6M | 1.3% | $274.91 | 0 |
| 2024-Q2 | Decreased | 398,616 | -1.6% | $96.9M | 1.2% | $243.00 | 0 |