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 |
|---|---|---|---|---|---|
| Capital World Investors | 14,971,343 | $3.64B | 0.59% | +2,182,107+17.1% | Added |
| Vanguard Group Inc | 12,507,778 | $3.04B | 0.06% | +513,517+4.3% | Added |
| FMR LLC | 12,164,038 | $2.96B | 0.19% | +2,196,042+22.0% | Added |
| BlackRock Inc. | 9,547,663 | $2.32B | 0.05% | +522,656+5.8% | Added |
| Wellington Management Group LLP | 6,210,479 | $1.51B | 0.27% | −998,526−13.9% | Reduced |
| Baillie Gifford & Co | 6,032,656 | $1.47B | 1.14% | −590,921−8.9% | Reduced |
| Capital International Investors | 3,891,059 | $945.7M | 0.19% | +239,842+6.6% | Added |
| Dodge & Cox | 3,780,185 | $918.6M | 0.55% | −31,295−0.8% | Reduced |
| State Street Corp | 3,534,836 | $859.0M | 0.04% | +343,463+10.8% | Added |
| Price T Rowe Associates Inc | 3,488,003 | $847.6M | 0.10% | −197,750−5.4% | Reduced |
| Capital Research Global Investors | 3,255,648 | $791.1M | 0.17% | +110,661+3.5% | Added |
| T. Rowe Price Investment Management, Inc. | 3,153,627 | $766.3M | 0.48% | +280,723+9.8% | Added |
| Norges Bank | 2,296,781 | $558.1M | 0.08% | +4,127+0.2% | Added |
| Geode Capital Management, LLC | 2,080,275 | $504.6M | 0.04% | +78,557+3.9% | Added |
| JPMorgan Chase & Co | 1,772,871 | $430.8M | 0.04% | +24,682+1.4% | Added |
| American Century Companies Inc | 1,354,169 | $329.1M | 0.20% | −19,485−1.4% | Reduced |
| Bellevue Group AG | 919,834 | $223.5M | 3.63% | +1,550+0.2% | Added |
| UBS Asset Management Americas Inc | 835,413 | $203.0M | 0.06% | +76,763+10.1% | Added |
| Northern Trust Corp | 780,835 | $189.7M | 0.03% | +41,251+5.6% | Added |
| Legal & General Group Plc | 761,919 | $185.1M | 0.05% | +11,317+1.5% | Added |
| Pictet Asset Management Holding SA | 758,528 | $184.3M | 0.21% | −202,976−21.1% | Reduced |
| Amundi | 737,290 | $183.3M | 0.07% | −8,774−1.2% | Reduced |
| Morgan Stanley | 741,514 | $180.2M | 0.01% | +66,233+9.8% | Added |
| Orbis Allan Gray Ltd | 721,053 | $175.2M | 1.09% | +721,053 | New |
| Bank of New York Mellon Corp | 673,702 | $163.7M | 0.03% | −124,743−15.6% | Reduced |
| Bank of America Corp | 631,112 | $153.4M | 0.01% | +146,219+30.2% | Added |
| Nuveen Asset Management, LLC | 588,469 | $143.0M | 0.04% | +76,491+14.9% | Added |
| Loomis Sayles & Co L P | 569,282 | $138.3M | 0.19% | −12,569−2.2% | Reduced |
| Goldman Sachs Group Inc | 514,667 | $125.1M | 0.02% | +254,648+97.9% | Added |
| Deep Track Capital, LP | 500,000 | $121.5M | 3.63% | −332,310−39.9% | Reduced |
| TD Asset Management Inc | 489,940 | $119.1M | 0.11% | +27,592+6.0% | Added |
| Deutsche Bank AG | 489,118 | $118.9M | 0.05% | −17,959−3.5% | Reduced |
| Charles Schwab Investment Management Inc | 470,592 | $114.4M | 0.02% | +23,032+5.1% | Added |
| Royal Bank of Canada | 411,364 | $100.0M | 0.02% | +36,940+9.9% | Added |
| Citigroup Inc | 401,660 | $97.6M | 0.09% | +250,970+166.5% | Added |
| Avoro Capital Advisors LLC | 400,000 | $97.2M | 1.29% | +100,000+33.3% | Added |
| Gilder Gagnon Howe & Co LLC | 398,616 | $96.9M | 1.21% | −6,557−1.6% | Reduced |
| Invesco Ltd. | 392,841 | $95.5M | 0.02% | +214,528+120.3% | Added |
| Swiss National Bank | 374,400 | $91.0M | 0.06% | −1,500−0.4% | Reduced |
| Citadel Advisors LLC | 367,289 | $89.3M | 0.09% | +327,305+818.6% | Added |
| Candriam Luxembourg S.C.A. | 351,228 | $85.3M | 0.52% | +34,330+10.8% | Added |
| Manufacturers Life Insurance Company, The | 329,037 | $80.0M | 0.07% | −7,988−2.4% | Reduced |
| Franklin Resources Inc | 289,326 | $70.3M | 0.02% | +51,802+21.8% | Added |
| Polar Capital Holdings Plc | 285,000 | $69.3M | 0.41% | +50,000+21.3% | Added |
| Canada Pension Plan Investment Board | 283,933 | $69.0M | 0.07% | +10,143+3.7% | Added |
| Royal London Asset Management Ltd | 282,345 | $68.6M | 0.18% | −44,524−13.6% | Reduced |
| D. E. Shaw & Co., Inc. | 279,398 | $67.9M | 0.10% | +176,011+170.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 276,947 | $67.3M | 0.05% | −14,049−4.8% | Reduced |
| CI Private Wealth, LLC | 274,736 | $66.8M | 0.12% | +1290.0% | Added |
| AQR Capital Management LLC | 271,619 | $65.9M | 0.10% | +130,482+92.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 268,440 | $65.2M | 0.16% | −43,412−13.9% | Reduced |
| Dimensional Fund Advisors LP | 266,206 | $64.7M | 0.02% | +11,027+4.3% | Added |
| Two Sigma Advisers, LP | 258,700 | $62.9M | 0.14% | +69,100+36.4% | Added |
| Adage Capital Partners GP, L.L.C. | 254,000 | $61.7M | 0.11% | +254,000 | New |
| OrbiMed Advisors LLC | 250,300 | $60.8M | 1.30% | +250,300 | New |
| Rock Springs Capital Management LP | 250,000 | $60.8M | 1.83% | +6,000+2.5% | Added |
| Janus Henderson Group PLC | 249,440 | $60.6M | 0.03% | +70,486+39.4% | Added |
| Eagle Asset Management Inc | 246,204 | $59.9M | 0.32% | −12,044−4.7% | Reduced |
| Antipodes Partners Ltd | 238,749 | $59.4M | 2.16% | +33,170+16.1% | Added |
| First Trust Advisors LP | 240,547 | $58.5M | 0.06% | +23,174+10.7% | Added |
| Ameriprise Financial Inc | 238,320 | $57.9M | 0.02% | +43,595+22.4% | Added |
| Avidity Partners Management LP | 222,000 | $53.9M | 2.29% | −21,000−8.6% | Reduced |
| CIBC Private Wealth Group, LLC | 206,391 | $52.7M | 0.10% | +32,142+18.4% | Added |
| California Public Employees Retirement System | 215,567 | $52.4M | 0.04% | +1,237+0.6% | Added |
| Wells Fargo & Company | 206,148 | $50.1M | 0.01% | −216−0.1% | Reduced |
| Standard Life Aberdeen plc | 199,978 | $48.6M | 0.09% | −19,297−8.8% | Reduced |
| National Pension Service | 196,387 | $47.7M | 0.05% | +10,204+5.5% | Added |
| California State Teachers Retirement System | 193,594 | $47.0M | 0.06% | +2,176+1.1% | Added |
| Rhumbline Advisers | 173,327 | $42.1M | 0.04% | −362−0.2% | Reduced |
| Caption Management, LLC | 170,550 | $41.4M | 4.39% | +56,428+49.4% | Added |
| Casdin Capital, LLC | 170,000 | $41.3M | 3.15% | −188,000−52.5% | Reduced |
| Frontier Capital Management Co LLC | 168,442 | $40.9M | 0.41% | +168,442 | New |
| UBS Group AG | 156,583 | $38.0M | 0.01% | +32,120+25.8% | Added |
| Sofinnova Investments, Inc. | 147,929 | $35.9M | 2.27% | +44,893+43.6% | Added |
| Jane Street Group, LLC | 139,497 | $33.9M | 0.04% | −24,441−14.9% | Reduced |
| Millennium Management LLC | 138,504 | $33.7M | 0.03% | −63,774−31.5% | Reduced |
| State Board of Administration of Florida Retirement System | 135,347 | $32.9M | 0.06% | −1,675−1.2% | Reduced |
| Barclays PLC | 131,265 | $31.9M | 0.01% | −62,707−32.3% | Reduced |
| Worldquant Millennium Advisors LLC | 129,593 | $31.5M | 0.29% | +69,520+115.7% | Added |
| BNP Paribas Arbitrage, SA | 126,012 | $30.6M | 0.03% | +24,566+24.2% | Added |
| HighTower Advisors, LLC | 125,041 | $30.4M | 0.05% | −1,039−0.8% | Reduced |
| Assenagon Asset Management S.A. | 122,796 | $29.8M | 0.07% | +62,454+103.5% | Added |
| Deerfield Management Company, L.P. (Series C) | 119,800 | $29.1M | 0.48% | +119,800 | New |
| Novo Holdings A/S | 118,383 | $28.8M | 1.55% | 00.0% | Unchanged |
| Man Group plc | 117,910 | $28.7M | 0.08% | −92,325−43.9% | Reduced |
| DekaBank Deutsche Girozentrale | 113,463 | $27.9M | 0.05% | +421+0.4% | Added |
| Voya Investment Management LLC | 114,234 | $27.8M | 0.03% | +43,737+62.0% | Added |
| Capital International Inc | 113,984 | $27.7M | 0.37% | +20,608+22.1% | Added |
| Korea Investment CORP | 112,383 | $27.3M | 0.07% | +73,220+187.0% | Added |
| AXA S.A. | 110,975 | $27.0M | 0.08% | +3,339+3.1% | Added |
| Capital International Sarl | 109,815 | $26.7M | 0.81% | +36,706+50.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 106,892 | $26.0M | 0.12% | +12,339+13.0% | Added |
| Two Sigma Investments, LP | 102,918 | $25.0M | 0.06% | +406+0.4% | Added |
| Squarepoint Ops LLC | 98,794 | $24.0M | 0.09% | −481,647−83.0% | Reduced |
| Neuberger Berman Group LLC | 95,408 | $23.2M | 0.02% | +4,058+4.4% | Added |
| New York State Common Retirement Fund | 94,685 | $23.0M | 0.03% | +919+1.0% | Added |
| Capital International Ltd | 94,225 | $22.9M | 1.06% | +29,001+44.5% | Added |
| Federated Hermes, Inc. | 92,608 | $22.5M | 0.05% | −55,896−37.6% | Reduced |
| APG Asset Management N.V. | 93,565 | $21.2M | 0.04% | +26,160+38.8% | Added |
| Eventide Asset Management, LLC | 87,000 | $21.1M | 0.36% | 00.0% | Unchanged |