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, Q4 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 2023. 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
- 501
- +53 vs. Q3 2023
- Shares held
- 117.1M
- −655.2K (−0.6%) vs. Q3 2023
- Total value
- $22.4B
- +$1.57B (+7.5%) vs. Q3 2023
- New holders
- 97
- 166 more added
- Sold out
- 44
- 161 more reduced
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbor Capital Advisors, Inc. | 2,938 | $562.4K | 0.11% | +51+1.8% | Added |
| Greenleaf Trust | 2,938 | $562.4K | 0.01% | +405+16.0% | Added |
| Simplex Trading, LLC | 2,916 | $558.0K | 0.02% | −3,929−57.4% | Reduced |
| Veriti Management LLC | 2,898 | $554.7K | 0.05% | +340+13.3% | Added |
| Investment Management Corp of Ontario | 2,885 | $552.2K | 0.01% | +2,885 | New |
| Pathstone Holdings, LLC | 2,884 | $552.0K | 0.00% | +2,884 | New |
| Horizon Kinetics Asset Management LLC | 2,880 | $551.3K | 0.01% | −120−4.0% | Reduced |
| Vestcor Inc | 2,793 | $535.0K | 0.02% | −26−0.9% | Reduced |
| GraniteShares Advisors LLC | 2,790 | $534.0K | 0.48% | −103−3.6% | Reduced |
| Steel Peak Wealth Management LLC | 2,770 | $530.2K | 0.03% | −1,655−37.4% | Reduced |
| AtonRa Partners | 2,662 | $509.5K | 1.01% | −273−9.3% | Reduced |
| Toroso Investments, LLC | 2,621 | $501.7K | 0.01% | +344+15.1% | Added |
| Brinker Capital Investments, LLC | 2,529 | $497.8K | 0.01% | −56−2.2% | Reduced |
| Orion Portfolio Solutions, LLC | 2,529 | $497.8K | 0.01% | −56−2.2% | Reduced |
| Impax Asset Management Group plc | 2,587 | $495.2K | 0.00% | −316−10.9% | Reduced |
| Degroof Petercam Asset Management | 2,520 | $482.4K | 0.01% | +2,520 | New |
| Truist Financial Corp | 2,478 | $474.3K | 0.00% | +2,478 | New |
| Wealth Enhancement Advisory Services, LLC | 2,399 | $459.1K | 0.00% | +216+9.9% | Added |
| Ci Investments Inc. | 2,351 | $450.0K | 0.00% | −297−11.2% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 2,297 | $439.7K | 0.00% | −41−1.8% | Reduced |
| Integrated Wealth Concepts LLC | 2,289 | $438.1K | 0.01% | +15+0.7% | Added |
| New York Life Investment Management LLC | 2,198 | $420.7K | 0.00% | −28−1.3% | Reduced |
| Monograph Wealth Advisors, LLC | 2,138 | $409.2K | 0.07% | +12+0.6% | Added |
| Oracle Alpha Inc. | 2,111 | $404.1K | 0.52% | +2,111 | New |
| Emerald Advisers, LLC | 2,094 | $400.8K | 0.02% | −925−30.6% | Reduced |
| Altfest L J & Co Inc | 2,073 | $397.0K | 0.06% | +475+29.7% | Added |
| Motley Fool Asset Management LLC | 2,035 | $389.5K | 0.03% | −196−8.8% | Reduced |
| Bleakley Financial Group, LLC | 2,026 | $387.8K | 0.01% | +404+24.9% | Added |
| Farallon Capital Management, L.L.C. | 2,000 | $382.8K | 0.00% | 00.0% | Unchanged |
| Security National Bank of So Dak | 2,000 | $382.8K | 0.25% | 00.0% | Unchanged |
| Sawtooth Solutions, LLC | 1,997 | $382.2K | 0.01% | +375+23.1% | Added |
| O'Shaughnessy Asset Management, LLC | 1,990 | $380.9K | 0.01% | +396+24.8% | Added |
| Ossiam | 1,987 | $380.3K | 0.01% | 00.0% | Unchanged |
| GTS Securities LLC | 1,966 | $376.3K | 0.01% | +1,966 | New |
| Schonfeld Strategic Advisors LLC | 1,953 | $373.8K | 0.00% | −40,154−95.4% | Reduced |
| Bridgewater Associates, LP | 1,951 | $373.4K | 0.00% | +65+3.4% | Added |
| American International Group, Inc. | 1,883 | $360.4K | 0.00% | −51−2.6% | Reduced |
| Janney Montgomery Scott LLC | 1,883 | $360.0K | 0.00% | +1,883 | New |
| Vident Advisory, LLC | 1,869 | $357.7K | 0.01% | +124+7.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 1,855 | $355.1K | 0.03% | +1,855 | New |
| JGP Global Gestao de Recursos Ltda. | 1,850 | $354.1K | 0.35% | −6−0.3% | Reduced |
| VELA Investment Management, LLC | 1,818 | $348.0K | 0.14% | −1,599−46.8% | Reduced |
| Virtus ETF Advisers LLC | 1,749 | $334.8K | 0.21% | +216+14.1% | Added |
| Pictet & Cie (Europe) SA | 1,727 | $330.6K | 0.01% | −63−3.5% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,905 | $329.4K | 0.00% | 00.0% | Unchanged |
| Prime Capital Investment Advisors, LLC | 1,716 | $328.5K | 0.00% | +1,716 | New |
| FORA Capital, LLC | 1,705 | $326.4K | 0.03% | +1,705 | New |
| Prelude Capital Management, LLC | 1,656 | $317.0K | 0.03% | +1,656 | New |
| Beacon Pointe Advisors, LLC | 1,636 | $313.1K | 0.00% | −55−3.3% | Reduced |
| Systematic Portfolios LLC | 1,636 | $313.1K | 0.95% | +1,636 | New |
| Wetherby Asset Management Inc | 1,623 | $310.7K | 0.02% | +326+25.1% | Added |
| Cresset Asset Management, LLC | 1,616 | $309.3K | 0.00% | +1,616 | New |
| Semanteon Capital Management, LP | 1,609 | $308.0K | 0.21% | +1,609 | New |
| Deerfield Management Company, L.P. (Series C) | 1,574 | $301.3K | 0.01% | +1,574 | New |
| MQS Management LLC | 1,552 | $297.1K | 0.16% | +327+26.7% | Added |
| Mutual of America Capital Management LLC | 1,519 | $290.8K | 0.00% | −168−10.0% | Reduced |
| North Star Asset Management Inc | 1,515 | $290.0K | 0.01% | 00.0% | Unchanged |
| Westpac Banking Corp | 1,512 | $289.4K | 0.02% | +566+59.8% | Added |
| High Net Worth Advisory Group LLC | 1,500 | $287.1K | 0.11% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 1,491 | $285.4K | 0.00% | +45+3.1% | Added |
| Forum Financial Management, LP | 1,457 | $278.9K | 0.01% | +1,457 | New |
| Fox Run Management, L.L.C. | 1,456 | $278.7K | 0.07% | +1,456 | New |
| Abbrea Capital, LLC | 1,425 | $273.0K | 0.04% | 00.0% | Unchanged |
| Great Lakes Advisors, LLC | 1,406 | $269.1K | 0.00% | −39−2.7% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 1,380 | $264.1K | 0.01% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 1,373 | $262.8K | 0.01% | +81+6.3% | Added |
| Envestnet Portfolio Solutions, Inc. | 1,368 | $261.8K | 0.00% | +89+7.0% | Added |
| Ellevest, Inc. | 1,348 | $258.0K | 0.02% | −68−4.8% | Reduced |
| Cigna Investments Inc | 1,322 | $253.0K | 0.05% | 00.0% | Unchanged |
| DCF Advisers, LLC | 1,300 | $248.8K | 0.17% | −500−27.8% | Reduced |
| Marshall Wace, LLP | 1,300 | $248.8K | 0.00% | +1,300 | New |
| Humankind Investments LLC | 1,270 | $243.1K | 0.07% | +128+11.2% | Added |
| Acadian Asset Management LLC | 1,273 | $243.0K | 0.00% | +369+40.8% | Added |
| Kestra Advisory Services, LLC | 1,268 | $242.7K | 0.00% | +1,268 | New |
| Lakeview Capital Partners, LLC | 1,230 | $235.4K | 0.04% | −1,323−51.8% | Reduced |
| Ballentine Partners, LLC | 1,221 | $233.7K | 0.00% | +1,221 | New |
| Cetera Advisor Networks LLC | 1,220 | $233.5K | 0.00% | −185−13.2% | Reduced |
| Coastline Trust Co | 1,200 | $229.7K | 0.03% | 00.0% | Unchanged |
| Weiss Asset Management LP | 1,192 | $228.2K | 0.02% | +1,192 | New |
| Signaturefd, LLC | 1,189 | $227.6K | 0.01% | +14+1.2% | Added |
| Symmetry Partners, LLC | 1,144 | $224.0K | 0.01% | −187−14.0% | Reduced |
| Cetera Investment Advisers | 1,170 | $223.9K | 0.00% | +1,170 | New |
| Peregrine Capital Management LLC | 1,147 | $219.5K | 0.01% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 1,101 | $210.7K | 0.00% | +1,101 | New |
| Plante Moran Financial Advisors, LLC | 1,100 | $210.6K | 0.02% | +1,100 | New |
| Fort Sheridan Advisors LLC | 1,078 | $206.3K | 0.04% | +1,078 | New |
| Crossmark Global Holdings, Inc. | 1,066 | $204.0K | 0.00% | +1,066 | New |
| Avitas Wealth Management LLC | 1,065 | $203.9K | 0.03% | +1,065 | New |
| EntryPoint Capital, LLC | 1,013 | $193.9K | 0.19% | +1,013 | New |
| UniSuper Management Pty Ltd | 900 | $172.3K | 0.00% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 850 | $162.7K | 0.07% | +850 | New |
| TD Waterhouse Canada Inc. | 814 | $158.9K | 0.00% | −26−3.1% | Reduced |
| Clearstead Advisors, LLC | 818 | $156.6K | 0.01% | −700−46.1% | Reduced |
| Itau Unibanco Holding S.A. | 693 | $132.6K | 0.00% | +85+14.0% | Added |
| SG Americas Securities, LLC | 660 | $126.0K | 0.00% | −19,176−96.7% | Reduced |
| Liontrust Investment Partners LLP | 581 | $111.2K | 0.00% | −386−39.9% | Reduced |
| Spire Wealth Management | 580 | $106.7K | 0.00% | 00.0% | Unchanged |
| 1832 Asset Management L.P. | 545 | $104.3K | 0.00% | 00.0% | Unchanged |
| Baystate Wealth Management LLC | 527 | $100.9K | 0.01% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 526 | $100.7K | 0.00% | +46+9.6% | Added |