Alnylam Pharmaceuticals, Inc.
ALNY- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001178670
No open-market purchases or sales by Alnylam Pharmaceuticals, Inc. insiders were filed in the last 90 days; 794 institutions reported holding it in 13F filings for Q2 2026, worth $40.1B in total; no superinvestor holds it.
13F holders, Q4 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 594
- +35 vs. Q3 2024
- Shares held
- 127.8M
- +4.29M (+3.5%) vs. Q3 2024
- Total value
- $30.1B
- −$3.90B (−11.5%) vs. Q3 2024
- New holders
- 98
- 239 more added
- Sold out
- 63
- 180 more reduced
10 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALNY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 794 | $40.1B |
| Q1 2026 | 793 | $43.4B |
| Q4 2025 | 852 | $52.7B |
| Q3 2025 | 823 | $59.2B |
| Q2 2025 | 653 | $43.1B |
| Q1 2025 | 625 | $34.8B |
| Q4 2024 | 594 | $30.1B |
| Q3 2024 | 569 | $34.1B |
| Q2 2024 | 525 | $29.1B |
| Q1 2024 | 499 | $17.2B |
| Q4 2023 | 501 | $22.4B |
| Q3 2023 | 454 | $20.9B |
| Q2 2023 | 477 | $22.5B |
| Q1 2023 | 478 | $24.0B |
| Q4 2022 | 489 | $28.4B |
| Q3 2022 | 497 | $26.7B |
| Q2 2022 | 424 | $16.6B |
| Q1 2022 | 443 | $18.6B |
| Q4 2021 | 435 | $19.0B |
| Q3 2021 | 407 | $21.1B |
| Q2 2021 | 401 | $19.0B |
| Q1 2021 | 391 | $15.4B |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Treasurer of the State of North Carolina | 86,915 | $20.5M | 0.08% | +2,310+2.7% | Added |
| Citigroup Inc | 86,897 | $20.4M | 0.02% | +12,626+17.0% | Added |
| Nomura Asset Management Co Ltd | 82,785 | $19.5M | 0.06% | −2,660−3.1% | Reduced |
| Capital International Ltd | 80,282 | $18.9M | 0.77% | −20,141−20.1% | Reduced |
| Two Sigma Advisers, LP | 78,800 | $18.5M | 0.04% | −24,300−23.6% | Reduced |
| State of Wisconsin Investment Board | 78,375 | $18.4M | 0.05% | −719−0.9% | Reduced |
| Aviva PLC | 77,244 | $18.2M | 0.05% | +52,738+215.2% | Added |
| Great West Life Assurance Co | 76,919 | $18.1M | 0.03% | +8,206+11.9% | Added |
| Soleus Capital Management, L.P. | 76,800 | $18.1M | 1.37% | +17,400+29.3% | Added |
| Ensign Peak Advisors, Inc | 76,464 | $18.0M | 0.03% | −4,104−5.1% | Reduced |
| Eagle Health Investments LP | 76,256 | $17.9M | 4.40% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 73,160 | $17.2M | 0.02% | +30,836+72.9% | Added |
| New York State Common Retirement Fund | 72,228 | $17.0M | 0.02% | −4,000−5.2% | Reduced |
| Van Eck Associates Corp | 67,818 | $16.0M | 0.02% | +10,419+18.2% | Added |
| Asset Management One Co.,Ltd. | 65,363 | $15.6M | 0.05% | −2,590−3.8% | Reduced |
| Envestnet Asset Management Inc | 66,014 | $15.5M | 0.00% | +34,647+110.5% | Added |
| Citadel Advisors LLC | 65,393 | $15.4M | 0.01% | +41,461+173.2% | Added |
| Illinois Municipal Retirement Fund | 62,665 | $14.7M | 0.21% | +25,298+67.7% | Added |
| Danske Bank A/S | 62,013 | $14.6M | 0.04% | +9,608+18.3% | Added |
| HSBC Holdings PLC | 61,582 | $14.5M | 0.01% | +4,712+8.3% | Added |
| Macquarie Group Ltd | 60,664 | $14.3M | 0.02% | −11,952−16.5% | Reduced |
| U.S. Capital Wealth Advisors, LLC | 60,501 | $14.2M | 0.44% | −999−1.6% | Reduced |
| Susquehanna Fundamental Investments, LLC | 56,585 | $13.3M | 0.22% | +56,585 | New |
| Artia Global Partners LP | 56,400 | $13.3M | 5.35% | +21,400+61.1% | Added |
| Beck Bode, LLC | 56,017 | $13.2M | 2.41% | +56,017 | New |
| Swedbank AB | 55,532 | $13.1M | 0.02% | +1,803+3.4% | Added |
| Panagora Asset Management Inc | 55,464 | $13.1M | 0.06% | −70,427−55.9% | Reduced |
| Forsta Ap-Fonden | 54,800 | $12.9M | 0.09% | +3,900+7.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 54,406 | $12.8M | 0.04% | −164−0.3% | Reduced |
| Handelsbanken Fonder AB | 54,346 | $12.8M | 0.05% | −18,835−25.7% | Reduced |
| Rafferty Asset Management, LLC | 52,817 | $12.4M | 0.04% | −11,014−17.3% | Reduced |
| HRT Financial LP | 49,900 | $11.7M | 0.06% | +49,900 | New |
| State of New Jersey Common Pension Fund D | 47,503 | $11.2M | 0.05% | +70+0.1% | Added |
| Storebrand Asset Management AS | 45,270 | $10.7M | 0.03% | +22,087+95.3% | Added |
| Integral Health Asset Management, LLC | 45,000 | $10.6M | 0.94% | +20,000+80.0% | Added |
| Alliancebernstein L.P. | 44,590 | $10.5M | 0.00% | −8,034−15.3% | Reduced |
| Public Employees Retirement System of Ohio | 44,257 | $10.4M | 0.04% | −4,180−8.6% | Reduced |
| Trexquant Investment LP | 44,024 | $10.4M | 0.12% | −46,719−51.5% | Reduced |
| KLP Kapitalforvaltning AS | 43,700 | $10.3M | 0.05% | +43,700 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 42,544 | $10.0M | 0.06% | +42,544 | New |
| BNP Paribas Arbitrage, SA | 41,718 | $9.82M | 0.01% | −73,066−63.7% | Reduced |
| Capital Group Private Client Services, Inc. | 41,525 | $9.77M | 0.09% | −924−2.2% | Reduced |
| Bridger Management, LLC | 41,182 | $9.69M | 5.21% | +4,160+11.2% | Added |
| Aquatic Capital Management LLC | 40,552 | $9.54M | 0.26% | +20,143+98.7% | Added |
| Victory Capital Management Inc | 39,797 | $9.36M | 0.01% | −3,112−7.3% | Reduced |
| Teacher Retirement System of Texas | 39,075 | $9.20M | 0.03% | +5,425+16.1% | Added |
| China Universal Asset Management Co., Ltd. | 38,997 | $9.18M | 0.86% | +2,657+7.3% | Added |
| Ieq Capital, LLC | 38,806 | $9.13M | 0.09% | +34,613+825.5% | Added |
| Parkman Healthcare Partners LLC | 38,672 | $9.10M | 1.21% | +13,187+51.7% | Added |
| Arizona State Retirement System | 37,204 | $8.75M | 0.05% | +964+2.7% | Added |
| Voleon Capital Management LP | 37,181 | $8.75M | 0.65% | +37,181 | New |
| Resona Asset Management Co.,Ltd. | 36,656 | $8.64M | 0.05% | −921−2.5% | Reduced |
| Groupama Asset Managment | 28,450 | $8.32M | 0.17% | +7,065+33.0% | Added |
| Rosenblum Silverman Sutton S F Inc | 34,775 | $8.18M | 2.06% | −380−1.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,713 | $8.17M | 0.07% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 33,897 | $7.98M | 0.14% | +22,034+185.7% | Added |
| Brown Advisory Inc | 33,880 | $7.97M | 0.01% | −5,243−13.4% | Reduced |
| Driehaus Capital Management LLC | 33,480 | $7.88M | 0.07% | +1,130+3.5% | Added |
| KBC Group NV | 30,026 | $7.07M | 0.02% | +5,460+22.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 29,115 | $6.85M | 0.07% | +1,300+4.7% | Added |
| Zurich Insurance Group Ltd | 27,977 | $6.58M | 0.05% | +27,977 | New |
| Andra AP-fonden | 27,900 | $6.57M | 0.11% | +15,200+119.7% | Added |
| Erste Asset Management GmbH | 26,510 | $6.31M | 0.08% | +10,000+60.6% | Added |
| DnB Asset Management AS | 26,733 | $6.29M | 0.03% | +1,335+5.3% | Added |
| EFG Asset Management (North America) Corp. | 26,646 | $6.28M | 0.86% | +6,031+29.3% | Added |
| USS Investment Management Ltd | 26,366 | $6.21M | 0.05% | −6,505−19.8% | Reduced |
| Burney Co | 25,738 | $6.06M | 0.21% | +4,791+22.9% | Added |
| STRS Ohio | 25,000 | $5.88M | 0.02% | −4,468−15.2% | Reduced |
| British Columbia Investment Management Corp | 24,582 | $5.78M | 0.03% | +3,474+16.5% | Added |
| Lazard Asset Management LLC | 24,194 | $5.69M | 0.01% | +4,315+21.7% | Added |
| IFM Investors Pty Ltd | 23,700 | $5.58M | 0.06% | −2,219−8.6% | Reduced |
| Schroder Investment Management Group | 23,230 | $5.48M | 0.01% | −24,112−50.9% | Reduced |
| Parallax Volatility Advisers, L.P. | 23,161 | $5.45M | 0.12% | −3,374−12.7% | Reduced |
| AIA Group Ltd | 22,848 | $5.38M | 0.13% | −5,369−19.0% | Reduced |
| Xponance, Inc. | 22,456 | $5.28M | 0.05% | +1,806+8.7% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 22,154 | $5.21M | 0.05% | +413+1.9% | Added |
| FIL Ltd | 22,066 | $5.19M | 0.00% | +7,236+48.8% | Added |
| Utah Retirement Systems | 21,325 | $5.02M | 0.06% | +400+1.9% | Added |
| Walleye Capital LLC | 20,116 | $4.73M | 0.05% | +16,467+451.3% | Added |
| Assenagon Asset Management S.A. | 19,918 | $4.69M | 0.01% | +2,285+13.0% | Added |
| J. Safra Sarasin Holding AG | 19,142 | $4.50M | 0.08% | +7,868+69.8% | Added |
| Prudential Financial Inc | 18,753 | $4.41M | 0.01% | −64,212−77.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 18,751 | $4.41M | 0.04% | +18,751 | New |
| LPL Financial LLC | 18,572 | $4.37M | 0.00% | −234−1.2% | Reduced |
| Cinctive Capital Management LP | 18,240 | $4.29M | 0.23% | +18,240 | New |
| Sterling Capital Management LLC | 18,087 | $4.26M | 0.06% | +15,507+601.0% | Added |
| Alberta Investment Management Corp | 18,000 | $4.24M | 0.03% | +11,100+160.9% | Added |
| Capital Group Investment Management Pte. Ltd. | 17,171 | $4.04M | 0.77% | −4,176−19.6% | Reduced |
| Rhenman & Partners Asset Management AB | 17,000 | $4.00M | 0.41% | −33,350−66.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 16,858 | $3.97M | 0.31% | +16,858 | New |
| Voloridge Investment Management, LLC | 16,776 | $3.95M | 0.01% | −177,471−91.4% | Reduced |
| Toronto Dominion Bank | 16,774 | $3.95M | 0.01% | +1,308+8.5% | Added |
| Acadian Asset Management LLC | 16,676 | $3.92M | 0.01% | −17,741−51.5% | Reduced |
| Man Group plc | 16,382 | $3.85M | 0.01% | −93,421−85.1% | Reduced |
| NEOS Investment Management LLC | 16,323 | $3.84M | 0.09% | −1,853−10.2% | Reduced |
| Tema ETFs LLC | 16,323 | $3.84M | 1.59% | +16,323 | New |
| Silvant Capital Management LLC | 16,195 | $3.81M | 0.16% | 00.0% | Unchanged |
| Nissay Asset Management Corp | 15,947 | $3.79M | 0.02% | +324+2.1% | Added |
| Fiera Capital Corp | 15,970 | $3.76M | 0.01% | +15,970 | New |
| Jupiter Asset Management Ltd | 15,435 | $3.63M | 0.04% | +6,288+68.7% | Added |