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 |
|---|---|---|---|---|---|
| Edmond de Rothschild Holding S.A. | 53,050 | $12.9M | 0.22% | −12,000−18.4% | Reduced |
| Two Sigma Securities, LLC | 54,142 | $13.2M | 0.63% | +54,142 | New |
| HSBC Holdings PLC | 54,155 | $13.2M | 0.01% | −19,976−26.9% | Reduced |
| Great West Life Assurance Co | 54,405 | $13.2M | 0.02% | +6,860+14.4% | Added |
| Susquehanna Fundamental Investments, LLC | 56,585 | $13.8M | 0.32% | −31,482−35.7% | Reduced |
| Schroder Investment Management Group | 56,724 | $13.8M | 0.02% | −32,178−36.2% | Reduced |
| Macquarie Group Ltd | 59,455 | $14.4M | 0.02% | +3,548+6.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 59,898 | $14.6M | 0.06% | +44,455+287.9% | Added |
| Tudor Investment Corp Et Al | 60,393 | $14.7M | 0.16% | +60,393 | New |
| Van Eck Associates Corp | 60,938 | $14.8M | 0.02% | +3,015+5.2% | Added |
| U.S. Capital Wealth Advisors, LLC | 61,500 | $14.9M | 0.57% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 65,485 | $15.9M | 0.05% | +15,471+30.9% | Added |
| Asset Management One Co.,Ltd. | 65,696 | $16.0M | 0.06% | −2,223−3.3% | Reduced |
| Susquehanna International Group, LLP | 67,011 | $16.3M | 0.03% | −14,651−17.9% | Reduced |
| Walleye Capital LLC | 70,307 | $17.1M | 0.18% | +23,449+50.0% | Added |
| Soleus Capital Management, L.P. | 71,700 | $17.4M | 1.54% | +71,700 | New |
| Handelsbanken Fonder AB | 73,051 | $17.8M | 0.08% | −2,055−2.7% | Reduced |
| Ensign Peak Advisors, Inc | 73,473 | $17.9M | 0.03% | −8,297−10.1% | Reduced |
| Eagle Health Investments LP | 76,256 | $18.5M | 3.31% | +27,900+57.7% | Added |
| State of Wisconsin Investment Board | 77,936 | $18.9M | 0.05% | +9,222+13.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 78,561 | $19.1M | 0.02% | +9,771+14.2% | Added |
| Nomura Asset Management Co Ltd | 79,297 | $19.3M | 0.07% | −446−0.6% | Reduced |
| Treasurer of the State of North Carolina | 79,565 | $19.3M | 0.08% | −7,822−9.0% | Reduced |
| Rafferty Asset Management, LLC | 81,110 | $19.7M | 0.07% | +19,904+32.5% | Added |
| Rhenman & Partners Asset Management AB | 85,500 | $20.8M | 1.99% | +43,200+102.1% | Added |
| Eventide Asset Management, LLC | 87,000 | $21.1M | 0.36% | 00.0% | Unchanged |
| APG Asset Management N.V. | 93,565 | $21.2M | 0.04% | +26,160+38.8% | Added |
| Federated Hermes, Inc. | 92,608 | $22.5M | 0.05% | −55,896−37.6% | Reduced |
| Capital International Ltd | 94,225 | $22.9M | 1.06% | +29,001+44.5% | Added |
| New York State Common Retirement Fund | 94,685 | $23.0M | 0.03% | +919+1.0% | Added |
| Neuberger Berman Group LLC | 95,408 | $23.2M | 0.02% | +4,058+4.4% | Added |
| Squarepoint Ops LLC | 98,794 | $24.0M | 0.09% | −481,647−83.0% | Reduced |
| Two Sigma Investments, LP | 102,918 | $25.0M | 0.06% | +406+0.4% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 106,892 | $26.0M | 0.12% | +12,339+13.0% | Added |
| Capital International Sarl | 109,815 | $26.7M | 0.81% | +36,706+50.2% | Added |
| AXA S.A. | 110,975 | $27.0M | 0.08% | +3,339+3.1% | Added |
| Korea Investment CORP | 112,383 | $27.3M | 0.07% | +73,220+187.0% | Added |
| Capital International Inc | 113,984 | $27.7M | 0.37% | +20,608+22.1% | Added |
| Voya Investment Management LLC | 114,234 | $27.8M | 0.03% | +43,737+62.0% | Added |
| DekaBank Deutsche Girozentrale | 113,463 | $27.9M | 0.05% | +421+0.4% | Added |
| Man Group plc | 117,910 | $28.7M | 0.08% | −92,325−43.9% | Reduced |
| Novo Holdings A/S | 118,383 | $28.8M | 1.55% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 119,800 | $29.1M | 0.48% | +119,800 | New |
| Assenagon Asset Management S.A. | 122,796 | $29.8M | 0.07% | +62,454+103.5% | Added |
| HighTower Advisors, LLC | 125,041 | $30.4M | 0.05% | −1,039−0.8% | Reduced |
| BNP Paribas Arbitrage, SA | 126,012 | $30.6M | 0.03% | +24,566+24.2% | Added |
| Worldquant Millennium Advisors LLC | 129,593 | $31.5M | 0.29% | +69,520+115.7% | Added |
| Barclays PLC | 131,265 | $31.9M | 0.01% | −62,707−32.3% | Reduced |
| State Board of Administration of Florida Retirement System | 135,347 | $32.9M | 0.06% | −1,675−1.2% | Reduced |
| Millennium Management LLC | 138,504 | $33.7M | 0.03% | −63,774−31.5% | Reduced |
| Jane Street Group, LLC | 139,497 | $33.9M | 0.04% | −24,441−14.9% | Reduced |
| Sofinnova Investments, Inc. | 147,929 | $35.9M | 2.27% | +44,893+43.6% | Added |
| UBS Group AG | 156,583 | $38.0M | 0.01% | +32,120+25.8% | Added |
| Frontier Capital Management Co LLC | 168,442 | $40.9M | 0.41% | +168,442 | New |
| Casdin Capital, LLC | 170,000 | $41.3M | 3.15% | −188,000−52.5% | Reduced |
| Caption Management, LLC | 170,550 | $41.4M | 4.39% | +56,428+49.4% | Added |
| Rhumbline Advisers | 173,327 | $42.1M | 0.04% | −362−0.2% | Reduced |
| California State Teachers Retirement System | 193,594 | $47.0M | 0.06% | +2,176+1.1% | Added |
| National Pension Service | 196,387 | $47.7M | 0.05% | +10,204+5.5% | Added |
| Standard Life Aberdeen plc | 199,978 | $48.6M | 0.09% | −19,297−8.8% | Reduced |
| Wells Fargo & Company | 206,148 | $50.1M | 0.01% | −216−0.1% | Reduced |
| California Public Employees Retirement System | 215,567 | $52.4M | 0.04% | +1,237+0.6% | Added |
| CIBC Private Wealth Group, LLC | 206,391 | $52.7M | 0.10% | +32,142+18.4% | Added |
| Avidity Partners Management LP | 222,000 | $53.9M | 2.29% | −21,000−8.6% | Reduced |
| Ameriprise Financial Inc | 238,320 | $57.9M | 0.02% | +43,595+22.4% | Added |
| First Trust Advisors LP | 240,547 | $58.5M | 0.06% | +23,174+10.7% | Added |
| Antipodes Partners Ltd | 238,749 | $59.4M | 2.16% | +33,170+16.1% | Added |
| Eagle Asset Management Inc | 246,204 | $59.9M | 0.32% | −12,044−4.7% | Reduced |
| Janus Henderson Group PLC | 249,440 | $60.6M | 0.03% | +70,486+39.4% | Added |
| Rock Springs Capital Management LP | 250,000 | $60.8M | 1.83% | +6,000+2.5% | Added |
| OrbiMed Advisors LLC | 250,300 | $60.8M | 1.30% | +250,300 | New |
| Adage Capital Partners GP, L.L.C. | 254,000 | $61.7M | 0.11% | +254,000 | New |
| Two Sigma Advisers, LP | 258,700 | $62.9M | 0.14% | +69,100+36.4% | Added |
| Dimensional Fund Advisors LP | 266,206 | $64.7M | 0.02% | +11,027+4.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 268,440 | $65.2M | 0.16% | −43,412−13.9% | Reduced |
| AQR Capital Management LLC | 271,619 | $65.9M | 0.10% | +130,482+92.5% | Added |
| CI Private Wealth, LLC | 274,736 | $66.8M | 0.12% | +1290.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 276,947 | $67.3M | 0.05% | −14,049−4.8% | Reduced |
| D. E. Shaw & Co., Inc. | 279,398 | $67.9M | 0.10% | +176,011+170.2% | Added |
| Royal London Asset Management Ltd | 282,345 | $68.6M | 0.18% | −44,524−13.6% | Reduced |
| Canada Pension Plan Investment Board | 283,933 | $69.0M | 0.07% | +10,143+3.7% | Added |
| Polar Capital Holdings Plc | 285,000 | $69.3M | 0.41% | +50,000+21.3% | Added |
| Franklin Resources Inc | 289,326 | $70.3M | 0.02% | +51,802+21.8% | Added |
| Manufacturers Life Insurance Company, The | 329,037 | $80.0M | 0.07% | −7,988−2.4% | Reduced |
| Candriam Luxembourg S.C.A. | 351,228 | $85.3M | 0.52% | +34,330+10.8% | Added |
| Citadel Advisors LLC | 367,289 | $89.3M | 0.09% | +327,305+818.6% | Added |
| Swiss National Bank | 374,400 | $91.0M | 0.06% | −1,500−0.4% | Reduced |
| Invesco Ltd. | 392,841 | $95.5M | 0.02% | +214,528+120.3% | Added |
| Gilder Gagnon Howe & Co LLC | 398,616 | $96.9M | 1.21% | −6,557−1.6% | Reduced |
| Avoro Capital Advisors LLC | 400,000 | $97.2M | 1.29% | +100,000+33.3% | Added |
| Citigroup Inc | 401,660 | $97.6M | 0.09% | +250,970+166.5% | Added |
| Royal Bank of Canada | 411,364 | $100.0M | 0.02% | +36,940+9.9% | Added |
| Charles Schwab Investment Management Inc | 470,592 | $114.4M | 0.02% | +23,032+5.1% | Added |
| Deutsche Bank AG | 489,118 | $118.9M | 0.05% | −17,959−3.5% | Reduced |
| TD Asset Management Inc | 489,940 | $119.1M | 0.11% | +27,592+6.0% | Added |
| Deep Track Capital, LP | 500,000 | $121.5M | 3.63% | −332,310−39.9% | Reduced |
| Goldman Sachs Group Inc | 514,667 | $125.1M | 0.02% | +254,648+97.9% | Added |
| Loomis Sayles & Co L P | 569,282 | $138.3M | 0.19% | −12,569−2.2% | Reduced |
| Nuveen Asset Management, LLC | 588,469 | $143.0M | 0.04% | +76,491+14.9% | Added |
| Bank of America Corp | 631,112 | $153.4M | 0.01% | +146,219+30.2% | Added |