Position history for AMERICAN CENTURY COMPANIES INC's holdings in ALNYLAM PHARMACEUTICALS INC
AMERICAN CENTURY COMPANIES INC holds 1.8M shares of ALNY (ALNYLAM PHARMACEUTICALS INC), worth $596.3M as of 2026-Q1. The position was increased (+21.4% shares). ALNY represents 0.3% of AMERICAN CENTURY COMPANIES INC's portfolio.
Current Value
$596.3M
Current Shares
1.8M
Total Value Change
+$267.3M
Total Shares Change
+448,194
Other major holders of ALNY: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Increased |
| 1.8M |
+21.4% |
| $596.3M |
| 0.3% |
| $318.65 |
45 |
| 2025-Q4 | Decreased | 1.5M | -9.5% | $590.6M | 0.3% | $397.25 | 0 |
| 2025-Q3 | Decreased | 1.6M | -8.5% | $748.5M | 0.4% | $447.49 | 0 |
| 2025-Q2 | Increased | 1.8M | +1.9% | $585M | 0.3% | $322.83 | 38 |
| 2025-Q1 | Increased | 1.8M | +9.8% | $475.4M | 0.3% | $268.46 | 41 |
| 2024-Q4 | Increased | 1.6M | +0.7% | $377.4M | 0.2% | $236.01 | 37 |
| 2024-Q3 | Increased | 1.6M | +17.6% | $438M | 0.3% | $274.91 | 44 |
| 2024-Q2 | Decreased | 1.4M | -1.4% | $329.1M | 0.2% | $243.00 | 0 |