Guru Ownership Trend
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 $284.74 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 | % Portfolio | Activity | Shares | Value | Report Date |
|---|---|---|---|---|---|
| 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 |
| Report Date | Portfolio Manager | Activity | Share Change | % Portfolio Change |
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| Report Date | Portfolio Manager | Activity | Share Change | % Portfolio Change |
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| Report Date | Portfolio Manager | Activity | Share Change | % Portfolio Change |
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| Portfolio Manager | Option Type | % Portfolio | Activity | Shares | Value | Report Date |
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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)
Major holders include Cliff Asness ($336.01 M), Ray Dalio ($15.46 M), Joel Greenblatt ($12.83 M). According to the latest reported data, 8 tracked investment managers collectively hold approximately 839,672 shares.
According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $187.55 M, with 6 managers increasing positions and 3 managers reducing holdings.
During the most recent reporting period, 2 managers trimmed their positions, while 1 fully exited ALNY. The total reported sell value was $91.19 M.
Yes, 3 managers opened new positions in ALNY, and 3 increased their existing holdings. The total reported buy value was $278.74 M.