Alnylam Pharmaceuticals I... (ALNY)
NASDAQ: ALNY
· Real-Time Price · USD
449.02
6.29 (1.42%)
At close: Aug 15, 2025, 3:59 PM
448.00
-0.23%
After-hours: Aug 15, 2025, 05:30 PM EDT
13F Institute Ownership
Total Institutes of 671 in Alnylam Pharmaceuticals expanded their positions with an increase of 43 investors compared to the previous quarter. A reduction of 825.56K shares, as total invested capital grew by $4.2B with ownership percentage dropping from 100.74% to 99.26%.
Options Activity
Institutions are holding Calls/Puts contracts nearly balanced, indicating a neutral sentiment.
Put/Call 0.848
0.85
Call Flow 893,000
54%
Put Flow 756,802
46%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Capital World Investors | 12.92% | 16.75M | +0.90% | 4.52B | 0.73% | May 12, 2025 |
| FMR LLC | 11.81% | 15.31M | +13.52% | 4.13B | 0.26% | May 12, 2025 |
| Vanguard Group Inc | 10.07% | 13.06M | +2.54% | 3.53B | 0.06% | May 09, 2025 |
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