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, Q2 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 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
- 525
- +32 vs. Q1 2024
- Shares held
- 119.9M
- +5.25M (+4.6%) vs. Q1 2024
- Total value
- $29.1B
- +$12.0B (+70.0%) vs. Q1 2024
- New holders
- 89
- 194 more added
- Sold out
- 57
- 167 more reduced
6 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rhenman & Partners Asset Management AB | 85,500 | $20.8M | 1.99% | +43,200+102.1% | Added |
| Rafferty Asset Management, LLC | 81,110 | $19.7M | 0.07% | +19,904+32.5% | Added |
| Treasurer of the State of North Carolina | 79,565 | $19.3M | 0.08% | −7,822−9.0% | Reduced |
| Nomura Asset Management Co Ltd | 79,297 | $19.3M | 0.07% | −446−0.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 78,561 | $19.1M | 0.02% | +9,771+14.2% | Added |
| State of Wisconsin Investment Board | 77,936 | $18.9M | 0.05% | +9,222+13.4% | Added |
| Eagle Health Investments LP | 76,256 | $18.5M | 3.31% | +27,900+57.7% | Added |
| Ensign Peak Advisors, Inc | 73,473 | $17.9M | 0.03% | −8,297−10.1% | Reduced |
| Handelsbanken Fonder AB | 73,051 | $17.8M | 0.08% | −2,055−2.7% | Reduced |
| Soleus Capital Management, L.P. | 71,700 | $17.4M | 1.54% | +71,700 | New |
| Walleye Capital LLC | 70,307 | $17.1M | 0.18% | +23,449+50.0% | Added |
| Susquehanna International Group, LLP | 67,011 | $16.3M | 0.03% | −14,651−17.9% | Reduced |
| Asset Management One Co.,Ltd. | 65,696 | $16.0M | 0.06% | −2,223−3.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 65,485 | $15.9M | 0.05% | +15,471+30.9% | Added |
| U.S. Capital Wealth Advisors, LLC | 61,500 | $14.9M | 0.57% | 00.0% | Unchanged |
| Van Eck Associates Corp | 60,938 | $14.8M | 0.02% | +3,015+5.2% | Added |
| Tudor Investment Corp Et Al | 60,393 | $14.7M | 0.16% | +60,393 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 59,898 | $14.6M | 0.06% | +44,455+287.9% | Added |
| Macquarie Group Ltd | 59,455 | $14.4M | 0.02% | +3,548+6.3% | Added |
| Schroder Investment Management Group | 56,724 | $13.8M | 0.02% | −32,178−36.2% | Reduced |
| Susquehanna Fundamental Investments, LLC | 56,585 | $13.8M | 0.32% | −31,482−35.7% | Reduced |
| Great West Life Assurance Co | 54,405 | $13.2M | 0.02% | +6,860+14.4% | Added |
| HSBC Holdings PLC | 54,155 | $13.2M | 0.01% | −19,976−26.9% | Reduced |
| Two Sigma Securities, LLC | 54,142 | $13.2M | 0.63% | +54,142 | New |
| Edmond de Rothschild Holding S.A. | 53,050 | $12.9M | 0.22% | −12,000−18.4% | Reduced |
| Danske Bank A/S | 52,305 | $12.7M | 0.05% | −17,186−24.7% | Reduced |
| Public Employees Retirement System of Ohio | 51,712 | $12.6M | 0.05% | +164+0.3% | Added |
| Robeco Institutional Asset Management B.V. | 49,670 | $12.1M | 0.03% | +20,830+72.2% | Added |
| State of New Jersey Common Pension Fund D | 48,458 | $11.8M | 0.05% | −24,801−33.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 46,388 | $11.3M | 0.62% | +43,545+1,531.7% | Added |
| Alliancebernstein L.P. | 45,373 | $11.0M | 0.00% | −8,803−16.2% | Reduced |
| Tri Locum Partners LP | 45,000 | $10.9M | 2.76% | +45,000 | New |
| Schonfeld Strategic Advisors LLC | 43,975 | $10.7M | 0.08% | −191,631−81.3% | Reduced |
| Twin Tree Management, LP | 43,749 | $10.6M | 0.31% | +28,239+182.1% | Added |
| Resona Asset Management Co.,Ltd. | 43,467 | $10.6M | 0.06% | −3,474−7.4% | Reduced |
| Capital Group Private Client Services, Inc. | 43,124 | $10.5M | 0.10% | −11,297−20.8% | Reduced |
| Brown Advisory Inc | 42,357 | $10.3M | 0.01% | −3,129−6.9% | Reduced |
| Capital Fund Management S.A. | 41,821 | $10.2M | 0.12% | +11,454+37.7% | Added |
| Russell Investments Group, Ltd. | 41,185 | $10.1M | 0.02% | −17,554−29.9% | Reduced |
| SEI Investments Co | 39,178 | $9.52M | 0.01% | +9,575+32.3% | Added |
| Victory Capital Management Inc | 38,680 | $9.40M | 0.01% | −724−1.8% | Reduced |
| Trexquant Investment LP | 37,863 | $9.20M | 0.14% | −59,112−61.0% | Reduced |
| Suvretta Capital Management, LLC | 37,624 | $9.14M | 0.37% | +4,964+15.2% | Added |
| Acadian Asset Management LLC | 37,310 | $9.06M | 0.03% | +35,651+2,148.9% | Added |
| Bridger Management, LLC | 37,022 | $9.00M | 4.63% | −15,900−30.0% | Reduced |
| Illinois Municipal Retirement Fund | 36,872 | $8.96M | 0.14% | +10,497+39.8% | Added |
| USS Investment Management Ltd | 36,847 | $8.96M | 0.07% | +1,433+4.0% | Added |
| Mackenzie Financial Corp | 36,091 | $8.77M | 0.01% | +17,576+94.9% | Added |
| Silverarc Capital Management, LLC | 36,000 | $8.75M | 2.16% | +36,000 | New |
| Rosenblum Silverman Sutton S F Inc | 35,200 | $8.55M | 2.29% | −270−0.8% | Reduced |
| Artia Global Partners LP | 35,000 | $8.51M | 2.18% | +35,000 | New |
| Arizona State Retirement System | 34,736 | $8.44M | 0.06% | +219+0.6% | Added |
| APG Asset Management US Inc. | 33,807 | $8.23M | 0.05% | −2,103−5.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 33,213 | $8.07M | 0.07% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 32,489 | $7.89M | 0.08% | +32,489 | New |
| Bank of Montreal | 31,176 | $7.66M | 0.00% | −71,332−69.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 31,293 | $7.62M | 0.02% | +31,293 | New |
| Lazard Asset Management LLC | 30,805 | $7.48M | 0.01% | +27,198+754.0% | Added |
| Hudson Bay Capital Management LP | 30,000 | $7.29M | 0.05% | −92,500−75.5% | Reduced |
| Tobam | 29,731 | $7.22M | 1.13% | −39,331−57.0% | Reduced |
| Teacher Retirement System of Texas | 29,365 | $7.14M | 0.04% | +832+2.9% | Added |
| Erste Asset Management GmbH | 28,510 | $7.04M | 0.09% | 00.0% | Unchanged |
| Fjarde AP-fonden (The Fourth Swedish National Pensionfund) | 28,415 | $6.91M | 0.08% | +28,415 | New |
| China Universal Asset Management Co., Ltd. | 26,509 | $6.44M | 0.91% | −9,313−26.0% | Reduced |
| DnB Asset Management AS | 26,015 | $6.32M | 0.03% | +1,022+4.1% | Added |
| IFM Investors Pty Ltd | 25,754 | $6.26M | 0.06% | +103+0.4% | Added |
| Burney Co | 25,439 | $6.18M | 0.24% | −1,620−6.0% | Reduced |
| Caisse de Depot Et Placement du Quebec | 25,295 | $6.15M | 0.01% | +500+2.0% | Added |
| Forsta Ap-Fonden | 25,200 | $6.12M | 0.05% | −43,100−63.1% | Reduced |
| Envestnet Asset Management Inc | 25,140 | $6.11M | 0.00% | −2,295−8.4% | Reduced |
| STRS Ohio | 25,000 | $6.08M | 0.02% | 00.0% | Unchanged |
| Atika Capital Management LLC | 24,500 | $5.95M | 0.69% | +24,500 | New |
| Groupama Asset Managment | 24,234 | $5.89M | 0.12% | +21,978+974.2% | Added |
| British Columbia Investment Management Corp | 24,217 | $5.88M | 0.04% | +9,234+61.6% | Added |
| Weiss Asset Management LP | 23,800 | $5.78M | 0.28% | −876−3.6% | Reduced |
| Ghost Tree Capital, LLC | 22,500 | $5.47M | 1.90% | −37,500−62.5% | Reduced |
| Xponance, Inc. | 21,076 | $5.12M | 0.05% | +1,378+7.0% | Added |
| Utah Retirement Systems | 20,725 | $5.04M | 0.06% | −800−3.7% | Reduced |
| Swedbank AB | 20,639 | $5.02M | 0.01% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 19,810 | $4.81M | 0.02% | +12,353+165.7% | Added |
| Privium Fund Management B.V. | 19,393 | $4.80M | 1.22% | −1,500−7.2% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 19,570 | $4.76M | 1.03% | +3,397+21.0% | Added |
| Tredje AP-fonden | 19,483 | $4.73M | 0.05% | −308−1.6% | Reduced |
| AIA Group Ltd | 19,428 | $4.72M | 0.14% | +4,784+32.7% | Added |
| Guggenheim Capital LLC | 19,187 | $4.66M | 0.03% | −1,975−9.3% | Reduced |
| LPL Financial LLC | 18,636 | $4.53M | 0.00% | +1,662+9.8% | Added |
| EFG Asset Management (North America) Corp. | 18,584 | $4.52M | 0.78% | −1,362−6.8% | Reduced |
| Allianz Asset Management GmbH | 18,174 | $4.42M | 0.01% | +6,660+57.8% | Added |
| NEOS Investment Management LLC | 17,645 | $4.29M | 0.18% | +6,276+55.2% | Added |
| EFG Asset Management (Americas) Corp. | 16,992 | $4.13M | 0.81% | +6,106+56.1% | Added |
| Raymond James & Associates | 16,257 | $3.95M | 0.00% | +1,089+7.2% | Added |
| DLD Asset Management, LP | 16,200 | $3.94M | 0.92% | +16,200 | New |
| Nissay Asset Management Corp | 16,101 | $3.91M | 0.03% | +524+3.4% | Added |
| Federation des caisses Desjardins du Quebec | 15,981 | $3.88M | 0.02% | −704−4.2% | Reduced |
| Sector Gamma AS | 15,240 | $3.70M | 1.38% | −12,343−44.7% | Reduced |
| FIL Ltd | 15,224 | $3.70M | 0.00% | +4,869+47.0% | Added |
| KBC Group NV | 15,096 | $3.67M | 0.01% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 14,971 | $3.64M | 0.00% | +14,971 | New |
| Voloridge Investment Management, LLC | 14,863 | $3.61M | 0.01% | +14,863 | New |
| Profund Advisors LLC | 14,402 | $3.50M | 0.13% | +5,132+55.4% | Added |