Alnylam Pharmaceuticals
ALNY
ALNY
839 hedge funds and large institutions have $51.7B invested in Alnylam Pharmaceuticals in 2025 Q4 according to their latest regulatory filings, with 165 funds opening new positions, 286 increasing their positions, 289 reducing their positions, and 118 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
less ownership
Funds ownership: →
1% less repeat investments, than reductions
Existing positions increased: 286 | Existing positions reduced: 289
13% less capital invested
Capital invested by funds: $59.2B → $51.7B (-$7.51B)
69% less funds holding in top 10
Funds holding in top 10: 13 → 4 (-9)
Holders
839
Holding in Top 10
4
Calls
$760M
Puts
$494M
Top Buyers
| 1 | +$303M | |
| 2 | +$220M | |
| 3 | +$149M | |
| 4 |
D.E. Shaw & Co
New York
|
+$108M |
| 5 |
Morgan Stanley
New York
|
+$108M |
Top Sellers
| 1 | -$635M | |
| 2 | -$383M | |
| 3 | -$360M | |
| 4 |
Jane Street
New York
|
-$287M |
| 5 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$276M |