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 2022
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 2022. 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
- 489
- +1 vs. Q3 2022
- Shares held
- 119.5M
- −13.5M (−10.2%) vs. Q3 2022
- Total value
- $28.4B
- +$1.76B (+6.6%) vs. Q3 2022
- New holders
- 85
- 178 more added
- Sold out
- 84
- 149 more reduced
9 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Octagon Capital Advisors LP | 0 | $0 | 0.00% | −37,300−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −33,615−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −29,859−100.0% | Sold out |
| Liontrust Investment Partners LLP | 0 | $0 | 0.00% | −28,529−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −28,223−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| Shaolin Capital Management LLC | 0 | $0 | 0.00% | −26,300−100.0% | Sold out |
| Parnassus Investments | 0 | $0 | 0.00% | −25,970−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −24,450−100.0% | Sold out |
| LifePro Asset Management | 0 | $0 | 0.00% | −21,898−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −20,426−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −19,975−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −19,600−100.0% | Sold out |
| Aristeia Capital LLC | 0 | $0 | 0.00% | −18,800−100.0% | Sold out |
| Duality Advisers, LP | 0 | $0 | 0.00% | −16,926−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −14,570−100.0% | Sold out |
| Tenor Capital Management Co., L.P. | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −11,940−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −11,768−100.0% | Sold out |
| Whitebox Advisors LLC | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| III Capital Management | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |
| BCJ Capital Management, LLC | 0 | $0 | 0.00% | −11,145−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −10,873−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −8,872−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −8,774−100.0% | Sold out |
| Sector Gamma AS | 0 | $0 | 0.00% | −6,921−100.0% | Sold out |
| Industrial Alliance Investment Management Inc. | 0 | $0 | 0.00% | −6,900−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −6,113−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −5,935−100.0% | Sold out |
| AlphaCrest Capital Management LLC | 0 | $0 | 0.00% | −5,061−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −4,921−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −4,827−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −4,613−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −4,400−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −4,107−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −3,884−100.0% | Sold out |
| Steelhead Partners LLC | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −3,122−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Pearl River Capital, LLC | 0 | $0 | 0.00% | −2,935−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −2,816−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −2,558−100.0% | Sold out |
| Privium Fund Management B.V. | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,999−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −1,957−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −1,921−100.0% | Sold out |
| MUFG Americas Holdings Corp | 0 | $0 | 0.00% | −1,880−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −1,760−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −1,717−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −1,453−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −1,440−100.0% | Sold out |
| Tranquilli Financial Advisor LLC | 0 | $0 | 0.00% | −1,336−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −1,283−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −1,239−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −1,165−100.0% | Sold out |
| First Republic Investment Management, Inc. | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −1,101−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −1,093−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −679−100.0% | Sold out |
| Trust Co of Vermont | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −456−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| Standard Family Office LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Front Row Advisors LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Almanack Investment Partners, LLC. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Bellwether Advisors, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Annapolis Financial Services, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Sutton Wealth Advisors Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Stonebridge Capital Advisors LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Community Bank, N.A. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Eaton Vance Management | – | – | – | – | Not filed |
| Jefferies Group LLC | – | – | – | – | Not filed |
| Lloyd Park, LLC | – | – | – | – | Not filed |
| Redpoint Investment Management Pty Ltd | – | – | – | – | Not filed |
| Western Financial Corporation | – | – | – | – | Not filed |
| Corient Capital Partners, LLC | – | – | – | – | Not filed |
| Wipfli Financial Advisors LLC, | – | – | – | – | Not filed |
| Monolith Advisors | – | – | – | – | Not filed |
| American Portfolios Advisors | – | – | – | – | Not filed |