Position history for GILDER GAGNON HOWE & CO LLC's holdings in ALNYLAM PHARMACEUTICALS INC
GILDER GAGNON HOWE & CO LLC holds 280,092 shares of ALNY (ALNYLAM PHARMACEUTICALS INC), worth $92.7M as of 2026-Q1. The position was decreased (-12.3% shares). ALNY represents 1.1% of GILDER GAGNON HOWE & CO LLC's portfolio.
Current Value
$92.7M
Current Shares
280,092
Total Value Change
-$4.2M
Total Shares Change
-118,524
Other major holders of ALNY: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Decreased |
| 280,092 |
-12.3% |
| $92.7M |
| 1.1% |
| $318.65 |
0 |
| 2025-Q4 | 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 |