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, Q3 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 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
- 569
- +49 vs. Q2 2024
- Shares held
- 123.8M
- +13.6M (+12.3%) vs. Q2 2024
- Total value
- $34.1B
- +$7.26B (+27.1%) vs. Q2 2024
- New holders
- 107
- 222 more added
- Sold out
- 58
- 170 more reduced
5 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 152,162 | $41.8M | 0.08% | +152,162 | New |
| UBS Group AG | 155,671 | $42.8M | 0.01% | −912−0.6% | Reduced |
| Susquehanna International Group, LLP | 163,734 | $45.0M | 0.08% | +96,723+144.3% | Added |
| Federated Hermes, Inc. | 168,923 | $46.5M | 0.10% | +76,315+82.4% | Added |
| Casdin Capital, LLC | 170,000 | $46.8M | 3.12% | 00.0% | Unchanged |
| Rhumbline Advisers | 181,428 | $49.9M | 0.05% | +8,101+4.7% | Added |
| California State Teachers Retirement System | 191,325 | $52.6M | 0.06% | −2,269−1.2% | Reduced |
| Manufacturers Life Insurance Company, The | 191,382 | $52.6M | 0.05% | −137,655−41.8% | Reduced |
| Voloridge Investment Management, LLC | 194,247 | $53.4M | 0.19% | +179,384+1,206.9% | Added |
| National Pension Service | 196,387 | $54.0M | 0.05% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 200,069 | $55.0M | 0.10% | +910.0% | Added |
| CIBC Private Wealth Group, LLC | 208,486 | $57.3M | 0.10% | +2,095+1.0% | Added |
| California Public Employees Retirement System | 211,781 | $58.2M | 0.04% | −3,786−1.8% | Reduced |
| Janus Henderson Group PLC | 219,337 | $60.3M | 0.03% | −30,103−12.1% | Reduced |
| Eventide Asset Management, LLC | 224,333 | $61.7M | 1.06% | +137,333+157.9% | Added |
| SEI Investments Co | 237,907 | $65.4M | 0.08% | +198,729+507.2% | Added |
| Rock Springs Capital Management LP | 250,000 | $68.8M | 2.24% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 250,300 | $68.8M | 1.26% | 00.0% | Unchanged |
| Millennium Management LLC | 250,963 | $69.0M | 0.06% | +112,459+81.2% | Added |
| Wells Fargo & Company | 266,497 | $73.3M | 0.02% | +60,349+29.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 278,241 | $76.5M | 0.05% | +1,294+0.5% | Added |
| CI Private Wealth, LLC | 278,485 | $76.6M | 0.12% | +3,749+1.4% | Added |
| Royal London Asset Management Ltd | 279,750 | $76.9M | 0.19% | −2,595−0.9% | Reduced |
| First Trust Advisors LP | 285,571 | $78.5M | 0.07% | +45,024+18.7% | Added |
| Dimensional Fund Advisors LP | 301,389 | $82.9M | 0.02% | +35,183+13.2% | Added |
| Polar Capital Holdings Plc | 310,000 | $85.3M | 0.50% | +25,000+8.8% | Added |
| Eagle Asset Management Inc | 309,589 | $85.9M | 0.44% | +63,385+25.7% | Added |
| D. E. Shaw & Co., Inc. | 332,305 | $91.4M | 0.12% | +52,907+18.9% | Added |
| Canada Pension Plan Investment Board | 344,858 | $94.8M | 0.09% | +60,925+21.5% | Added |
| Candriam Luxembourg S.C.A. | 351,668 | $96.7M | 0.56% | +440+0.1% | Added |
| Goldman Sachs Group Inc | 356,100 | $97.9M | 0.02% | −158,567−30.8% | Reduced |
| Swiss National Bank | 375,400 | $103.2M | 0.07% | +1,000+0.3% | Added |
| Gilder Gagnon Howe & Co LLC | 383,993 | $105.6M | 1.26% | −14,623−3.7% | Reduced |
| Franklin Resources Inc | 382,973 | $108.5M | 0.03% | +93,647+32.4% | Added |
| Royal Bank of Canada | 411,066 | $113.1M | 0.03% | −298−0.1% | Reduced |
| Nuveen Asset Management, LLC | 441,092 | $121.3M | 0.03% | −147,377−25.0% | Reduced |
| Bank of New York Mellon Corp | 474,439 | $130.5M | 0.02% | −199,263−29.6% | Reduced |
| Charles Schwab Investment Management Inc | 487,348 | $134.0M | 0.03% | +16,756+3.6% | Added |
| TD Asset Management Inc | 488,283 | $134.2M | 0.12% | −1,657−0.3% | Reduced |
| AQR Capital Management LLC | 505,654 | $139.0M | 0.19% | +234,035+86.2% | Added |
| Loomis Sayles & Co L P | 525,303 | $144.5M | 0.19% | −43,979−7.7% | Reduced |
| Deutsche Bank AG | 539,271 | $148.3M | 0.06% | +50,153+10.3% | Added |
| Bank of America Corp | 550,772 | $151.5M | 0.01% | −80,340−12.7% | Reduced |
| Amundi | 593,320 | $160.9M | 0.06% | −143,970−19.5% | Reduced |
| Morgan Stanley | 618,563 | $170.1M | 0.01% | −122,951−16.6% | Reduced |
| Pictet Asset Management Holding SA | 664,722 | $182.8M | 0.20% | −93,806−12.4% | Reduced |
| Invesco Ltd. | 695,868 | $191.4M | 0.04% | +303,027+77.1% | Added |
| UBS Asset Management Americas Inc | 706,231 | $194.2M | 0.05% | −129,182−15.5% | Reduced |
| Northern Trust Corp | 734,919 | $202.1M | 0.03% | −45,916−5.9% | Reduced |
| Legal & General Group Plc | 791,729 | $217.7M | 0.06% | +29,810+3.9% | Added |
| Bellevue Group AG | 809,095 | $222.5M | 3.61% | −110,739−12.0% | Reduced |
| Winslow Capital Management, LLC | 961,607 | $264.5M | 0.95% | +961,607 | New |
| Orbis Allan Gray Ltd | 1,268,112 | $348.8M | 1.85% | +547,059+75.9% | Added |
| American Century Companies Inc | 1,592,733 | $438.0M | 0.25% | +238,564+17.6% | Added |
| Geode Capital Management, LLC | 2,147,203 | $589.2M | 0.05% | +66,928+3.2% | Added |
| JPMorgan Chase & Co | 2,162,944 | $594.9M | 0.05% | +390,073+22.0% | Added |
| Norges Bank | 2,375,535 | $653.3M | 0.09% | +78,754+3.4% | Added |
| T. Rowe Price Investment Management, Inc. | 3,139,254 | $863.4M | 0.52% | −14,373−0.5% | Reduced |
| Price T Rowe Associates Inc | 3,451,833 | $949.4M | 0.11% | −36,170−1.0% | Reduced |
| State Street Corp | 3,468,315 | $953.9M | 0.04% | −66,521−1.9% | Reduced |
| Dodge & Cox | 3,622,535 | $996.3M | 0.56% | −157,650−4.2% | Reduced |
| Capital International Investors | 3,970,863 | $1.09B | 0.21% | +79,804+2.1% | Added |
| Baillie Gifford & Co | 4,887,000 | $1.34B | 1.01% | −1,145,656−19.0% | Reduced |
| Wellington Management Group LLP | 4,953,347 | $1.36B | 0.24% | −1,257,132−20.2% | Reduced |
| Capital Research Global Investors | 5,243,903 | $1.44B | 0.30% | +1,988,255+61.1% | Added |
| BlackRock, Inc. | 9,707,418 | $2.67B | 0.06% | +9,707,418 | New |
| Vanguard Group Inc | 12,635,096 | $3.48B | 0.06% | +127,318+1.0% | Added |
| FMR LLC | 14,672,272 | $4.04B | 0.25% | +2,508,234+20.6% | Added |
| Capital World Investors | 16,508,424 | $4.54B | 0.70% | +1,537,081+10.3% | Added |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Avoro Capital Advisors LLC | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −222,000−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −147,929−100.0% | Sold out |
| APG Asset Management N.V. | 0 | $0 | 0.00% | −93,565−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −54,142−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −53,050−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −46,388−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −43,749−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −41,821−100.0% | Sold out |
| APG Asset Management US Inc. | 0 | $0 | 0.00% | −33,807−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −23,800−100.0% | Sold out |
| Ghost Tree Capital, LLC | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| Privium Fund Management B.V. | 0 | $0 | 0.00% | −19,393−100.0% | Sold out |
| DLD Asset Management, LP | 0 | $0 | 0.00% | −16,200−100.0% | Sold out |
| Sector Gamma AS | 0 | $0 | 0.00% | −15,240−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −14,971−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −13,283−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −9,600−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −9,200−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −8,803−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −7,173−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −6,849−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −6,781−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −6,052−100.0% | Sold out |
| Quattro Financial Advisors LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −4,800−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −4,744−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −4,266−100.0% | Sold out |
| Tokio Marine Asset Management Co Ltd | 0 | $0 | 0.00% | −3,973−100.0% | Sold out |