Guru Ownership Over Time
Guru Analysis for Alnylam Pharmaceuticals, Inc. (ALNY)
Alnylam Pharmaceuticals, Inc. (ALNY), a key player in the Healthcare sector, continues to attract institutional attention.
As of Q3 2025, a total of 8 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $333.68 M.
Top institutional holders include Cliff Asness and Ray Dalio.
Institutional sentiment is currently Strongly Bullish. This is evidenced by a $187.55 M net inflow during the quarter.
Recent activity highlights Cliff Asness who increased their stake by 295.2%. Conversely, Steven Cohen reduced exposure by 96.9%.
| Portfolio Manager | % of portfolio | Activity | Shares | Value | Peroid |
|---|---|---|---|---|---|
| 0.22% | Add 295.2% | 744,008 | $336.01 M | Q3 2025 | |
| 0.06% | New Buy | 33,911 | $15.46 M | Q3 2025 | |
| 0.06% | Add 58.2% | 28,135 | $12.83 M | Q3 2025 | |
| 0.04% | Add 98.3% | 16,542 | $7.54 M | Q3 2025 | |
| 0.00% | Reduce -96.9% | 6,197 | $2.83 M | Q3 2025 | |
| 0.03% | New Buy | 4,295 | $1.96 M | Q3 2025 | |
| 0.03% | New Buy | 4,104 | $1.87 M | Q3 2025 | |
| 0.01% | Reduce -10.1% | 2,480 | $1.13 M | Q3 2025 |
| Period | Portfolio Manager | Activity | Share change | % change to portfolio |
|---|
| Period | Portfolio Manager | Activity | Share change | % change to portfolio |
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| Period | Portfolio Manager | Activity | Share change | % change to portfolio |
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| Portfolio Manager | Option Type | % of portfolio | Activity | Shares | Value | Period |
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Key Holders
Top 5 by Value
Top 5 by Conviction
Recent Activity Breakdown(Q3 2025)
Guru Consensus (Q3 2025)
FAQs for Alnylam Pharmaceuticals, Inc. (ALNY)
Top Guru holders include Cliff Asness ($336.01 M), Ray Dalio ($15.46 M), Joel Greenblatt ($12.83 M). Collectively, tracked Gurus hold 839,672 shares.
Based on recent 13F filings, the sentiment is **Positive (Net Buy)**. There was a net inflow of $187.55 M, with 6 Gurus buying and 3 Gurus selling.
In the recent quarter, 2 Gurus reduced their positions, and 1 Gurus sold out of ALNY completely. Total sell value was $91.19 M.
Yes, 3 Gurus opened new positions in ALNY, and 3 added to their existing holdings. Total buy value was $278.74 M.