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 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2021. 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
- 407
- +10 vs. Q2 2021
- Shares held
- 111.7M
- +29.7K (0.0%) vs. Q2 2021
- Total value
- $21.1B
- +$2.15B (+11.4%) vs. Q2 2021
- New holders
- 51
- 155 more added
- Sold out
- 41
- 121 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 44,899 | $8.48M | 0.11% | +44,899 | New |
| 683 Capital Management, LLC | 49,000 | $9.25M | 0.48% | −6,000−10.9% | Reduced |
| Bank of Montreal | 53,341 | $9.52M | 0.00% | +10,590+24.8% | Added |
| Teachers Retirement System of the State of Kentucky | 52,291 | $9.87M | 0.09% | 00.0% | Unchanged |
| Asset Management One Co.,Ltd. | 52,648 | $9.94M | 0.04% | −298−0.6% | Reduced |
| Storebrand Asset Management AS | 53,307 | $10.1M | 0.05% | −1,645−3.0% | Reduced |
| Macquarie Group Ltd | 53,593 | $10.1M | 0.01% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 55,554 | $10.5M | 0.01% | +20,955+60.6% | Added |
| Victory Capital Management Inc | 55,878 | $10.6M | 0.01% | +14,756+35.9% | Added |
| Russell Investments Group, Ltd. | 57,777 | $10.6M | 0.02% | +3,836+7.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 58,250 | $11.0M | 0.04% | +6,595+12.8% | Added |
| Eversept Partners, LP | 59,233 | $11.2M | 0.90% | +8,097+15.8% | Added |
| Bridger Management, LLC | 59,804 | $11.3M | 1.32% | −51,500−46.3% | Reduced |
| Atika Capital Management LLC | 64,000 | $12.1M | 0.86% | +64,000 | New |
| Alliancebernstein L.P. | 66,686 | $12.6M | 0.00% | +4,765+7.7% | Added |
| Public Employees Retirement System of Ohio | 67,010 | $12.7M | 0.04% | +49+0.1% | Added |
| Great West Life Assurance Co | 67,216 | $12.8M | 0.03% | −3,652−5.2% | Reduced |
| Citigroup Inc | 70,992 | $13.4M | 0.01% | −12,160−14.6% | Reduced |
| State of New Jersey Common Pension Fund D | 71,899 | $13.6M | 0.04% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 74,967 | $14.2M | 3.58% | 00.0% | Unchanged |
| International Biotechnology Trust PLC | 75,000 | $14.2M | 3.48% | −74,000−49.7% | Reduced |
| Morningstar Investment Services LLC | 80,594 | $14.3M | 0.17% | +1,427+1.8% | Added |
| USS Investment Management Ltd | 75,740 | $14.3M | 0.12% | +18,882+33.2% | Added |
| Sectoral Asset Management Inc | 75,846 | $14.3M | 1.19% | −2,000−2.6% | Reduced |
| Treasurer of the State of North Carolina | 76,304 | $14.4M | 0.08% | +3,329+4.6% | Added |
| BNP Paribas Arbitrage, SA | 77,181 | $14.6M | 0.03% | +57,144+285.2% | Added |
| Parnassus Investments | 77,587 | $14.6M | 0.03% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 84,463 | $15.9M | 0.04% | +16,867+25.0% | Added |
| Eagle Health Investments LP | 90,102 | $17.0M | 5.40% | −18,077−16.7% | Reduced |
| Canada Pension Plan Investment Board | 91,288 | $17.2M | 0.02% | +51,598+130.0% | Added |
| Van Eck Associates Corp | 92,701 | $17.5M | 0.04% | −27,921−23.1% | Reduced |
| Barclays PLC | 97,475 | $18.4M | 0.01% | −5,551−5.4% | Reduced |
| State of Wisconsin Investment Board | 99,390 | $18.8M | 0.04% | −15,742−13.7% | Reduced |
| Point72 Asset Management, L.P. | 99,512 | $18.8M | 0.09% | −20,177−16.9% | Reduced |
| Rhenman & Partners Asset Management AB | 100,000 | $18.9M | 1.33% | −35,000−25.9% | Reduced |
| Natixis | 102,516 | $19.4M | 0.07% | +94,044+1,110.1% | Added |
| Rhumbline Advisers | 116,109 | $21.9M | 0.03% | −306−0.3% | Reduced |
| CIBC Private Wealth Group, LLC | 119,145 | $22.5M | 0.05% | +429+0.4% | Added |
| Alexandria Capital, LLC | 122,216 | $23.1M | 2.14% | −3,473−2.8% | Reduced |
| Candriam Luxembourg S.C.A. | 133,079 | $25.1M | 0.17% | −41,743−23.9% | Reduced |
| Wells Fargo & Company | 136,250 | $25.7M | 0.01% | −10,570−7.2% | Reduced |
| Franklin Resources Inc | 149,655 | $28.3M | 0.01% | +146,050+4,051.3% | Added |
| State Board of Administration of Florida Retirement System | 150,084 | $28.3M | 0.06% | −2,788−1.8% | Reduced |
| Credit Suisse AG | 157,686 | $29.8M | 0.02% | −27,625−14.9% | Reduced |
| AXA S.A. | 161,432 | $30.5M | 0.09% | +42,426+35.7% | Added |
| Ensign Peak Advisors, Inc | 168,599 | $31.8M | 0.07% | −4,144−2.4% | Reduced |
| New York State Common Retirement Fund | 180,924 | $34.2M | 0.04% | −3,196−1.7% | Reduced |
| National Pension Service | 181,103 | $34.2M | 0.07% | −1,758−1.0% | Reduced |
| Dimensional Fund Advisors LP | 187,263 | $35.4M | 0.01% | −17,736−8.7% | Reduced |
| Tekla Capital Management LLC | 189,695 | $35.8M | 1.15% | +55,200+41.0% | Added |
| California State Teachers Retirement System | 205,392 | $38.8M | 0.05% | −4,439−2.1% | Reduced |
| Parametric Portfolio Associates LLC | 208,537 | $39.4M | 0.02% | +9,852+5.0% | Added |
| TD Asset Management Inc | 234,684 | $44.3M | 0.05% | +10,584+4.7% | Added |
| Artisan Partners Limited Partnership | 242,784 | $45.8M | 0.06% | +4,202+1.8% | Added |
| Eagle Asset Management Inc | 253,781 | $47.9M | 0.22% | −2,128−0.8% | Reduced |
| Amundi | 260,369 | $49.2M | 0.03% | +46,060+21.5% | Added |
| Lord, Abbett & Co. LLC | 280,000 | $52.9M | 0.13% | +280,000 | New |
| Deutsche Bank AG | 282,162 | $53.3M | 0.03% | +17,319+6.5% | Added |
| Bank of America Corp | 304,184 | $57.4M | 0.01% | +1,403+0.5% | Added |
| Rock Springs Capital Management LP | 311,000 | $58.7M | 1.23% | +11,000+3.7% | Added |
| Rockefeller Capital Management L.P. | 318,100 | $60.1M | 0.32% | −79,209−19.9% | Reduced |
| Capital World Investors | 318,946 | $60.2M | 0.01% | 00.0% | Unchanged |
| California Public Employees Retirement System | 318,959 | $60.2M | 0.04% | +1,267+0.4% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 332,571 | $62.8M | 0.04% | −15,344−4.4% | Reduced |
| Assenagon Asset Management S.A. | 334,289 | $63.1M | 0.26% | +50,489+17.8% | Added |
| Charles Schwab Investment Management Inc | 352,815 | $66.6M | 0.02% | +9,484+2.8% | Added |
| Alkeon Capital Management LLC | 390,551 | $73.7M | 0.25% | −268,031−40.7% | Reduced |
| Avidity Partners Management LP | 427,000 | $80.6M | 2.06% | +232,000+119.0% | Added |
| Swedbank AB | 436,498 | $82.4M | 0.15% | +90,986+26.3% | Added |
| Bank of New York Mellon Corp | 453,250 | $85.6M | 0.02% | +11,249+2.5% | Added |
| Swiss National Bank | 464,610 | $87.7M | 0.06% | −12,300−2.6% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 486,848 | $91.9M | 0.20% | −11,814−2.4% | Reduced |
| Blackstone Group Inc. | 517,391 | $97.7M | 0.22% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 523,712 | $98.9M | 0.54% | +195,430+59.5% | Added |
| First Trust Advisors LP | 532,286 | $100.5M | 0.11% | +26,363+5.2% | Added |
| UBS Asset Management Americas Inc | 645,572 | $121.9M | 0.05% | +22,344+3.6% | Added |
| Holocene Advisors, LP | 661,230 | $124.8M | 0.72% | +105,991+19.1% | Added |
| Goldman Sachs Group Inc | 666,455 | $125.8M | 0.03% | −35,591−5.1% | Reduced |
| Legal & General Group Plc | 666,785 | $125.9M | 0.04% | −16,625−2.4% | Reduced |
| Artal Group S.A. | 700,000 | $132.2M | 3.25% | −50,000−6.7% | Reduced |
| Nuveen Asset Management, LLC | 767,032 | $144.8M | 0.05% | +114,024+17.5% | Added |
| Northern Trust Corp | 779,121 | $147.1M | 0.03% | +70,615+10.0% | Added |
| Farallon Capital Management, L.L.C. | 814,301 | $153.7M | 0.83% | −135,699−14.3% | Reduced |
| Pictet Asset Management SA | 823,704 | $155.5M | 0.17% | +823,704 | New |
| Avoro Capital Advisors LLC | 850,000 | $160.5M | 2.52% | −150,000−15.0% | Reduced |
| Gilder Gagnon Howe & Co LLC | 923,684 | $174.4M | 0.90% | −2,042−0.2% | Reduced |
| Federated Hermes, Inc. | 958,820 | $181.0M | 0.34% | −23,258−2.4% | Reduced |
| Loomis Sayles & Co L P | 968,107 | $182.8M | 0.22% | +22,042+2.3% | Added |
| Norges Bank | 994,888 | $187.8M | 0.04% | +100,136+11.2% | Added |
| Casdin Capital, LLC | 1,000,000 | $188.8M | 4.71% | 00.0% | Unchanged |
| Invesco Ltd. | 1,054,172 | $199.0M | 0.05% | +52,271+5.2% | Added |
| American Century Companies Inc | 1,071,471 | $202.3M | 0.14% | +25,281+2.4% | Added |
| Massachusetts Financial Services Co | 1,365,287 | $257.8M | 0.08% | −9,856−0.7% | Reduced |
| Bellevue Group AG | 1,408,418 | $265.9M | 2.70% | −140,674−9.1% | Reduced |
| Geode Capital Management, LLC | 1,454,019 | $274.1M | 0.04% | +8,001+0.6% | Added |
| RTW Investments, LP | 1,683,362 | $317.8M | 4.79% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 1,731,433 | $326.9M | 0.27% | −24,375−1.4% | Reduced |
| Morgan Stanley | 1,880,879 | $355.1M | 0.05% | −1,772−0.1% | Reduced |
| JPMorgan Chase & Co | 2,445,659 | $461.8M | 0.06% | −142,851−5.5% | Reduced |
| State Street Corp | 2,800,825 | $528.8M | 0.03% | +15,887+0.6% | Added |