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, Q1 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 31, 2025. 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
- 625
- +39 vs. Q4 2024
- Shares held
- 129.4M
- +2.10M (+1.7%) vs. Q4 2024
- Total value
- $34.8B
- +$4.88B (+16.3%) vs. Q4 2024
- New holders
- 106
- 235 more added
- Sold out
- 67
- 205 more reduced
8 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Point72 (DIFC) Ltd | 1,712 | $462.2K | 0.04% | +1,712 | New |
| Lecap Asset Management Ltd | 1,709 | $461.5K | 0.11% | +1,709 | New |
| Fort Sheridan Advisors LLC | 1,701 | $459.3K | 0.07% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 1,691 | $456.6K | 0.00% | −113−6.3% | Reduced |
| Beacon Investment Advisory Services, Inc. | 1,688 | $455.8K | 0.02% | −2,033−54.6% | Reduced |
| New York State Teachers Retirement System | 1,678 | $453.0K | 0.00% | −4,158−71.2% | Reduced |
| Yousif Capital Management, LLC | 1,673 | $451.7K | 0.01% | +31+1.9% | Added |
| Advisor Group Holdings, Inc. | 1,629 | $440.0K | 0.00% | −3,200−66.3% | Reduced |
| Ballentine Partners, LLC | 1,625 | $438.8K | 0.01% | +52+3.3% | Added |
| Kennedy Capital Management, Inc. | 1,541 | $416.1K | 0.01% | +6+0.4% | Added |
| United Capital Financial Advisers, LLC | 1,532 | $413.7K | 0.00% | +52+3.5% | Added |
| High Net Worth Advisory Group LLC | 1,500 | $405.0K | 0.11% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 1,496 | $403.9K | 0.02% | −84−5.3% | Reduced |
| XTX Topco Ltd | 1,488 | $401.8K | 0.02% | +1,488 | New |
| Banque Pictet & Cie SA | 1,483 | $400.4K | 0.00% | +1,483 | New |
| Diversified Trust Co | 1,482 | $400.2K | 0.01% | −999−40.3% | Reduced |
| Siemens Fonds Invest GmbH | 1,471 | $397.2K | 0.03% | +106+7.8% | Added |
| Virtus Investment Advisers, Inc. | 1,467 | $396.1K | 0.11% | +1,467 | New |
| Asahi Life Asset Management Co., Ltd. | 1,440 | $388.8K | 0.25% | −40−2.7% | Reduced |
| Forum Financial Management, LP | 1,427 | $385.3K | 0.01% | −37−2.5% | Reduced |
| Wedmont Private Capital | 1,592 | $378.5K | 0.02% | +107+7.2% | Added |
| Yarbrough Capital, LLC | 1,376 | $371.5K | 0.02% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 1,375 | $371.3K | 0.01% | +32+2.4% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,533 | $370.9K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,383 | $366.6K | 0.01% | −3,998−74.3% | Reduced |
| Allegiance Financial Group Advisory Services LLC | 1,353 | $365.3K | 0.11% | +384+39.6% | Added |
| Ontario Teachers Pension Plan Board | 1,345 | $363.2K | 0.01% | −202−13.1% | Reduced |
| Inceptionr LLC | 1,338 | $361.3K | 0.11% | +1,338 | New |
| Ossiam | 1,336 | $360.7K | 0.01% | −1,091−45.0% | Reduced |
| Abn Amro Investment Solutions | 1,310 | $353.7K | 0.01% | +99+8.2% | Added |
| North Star Asset Management Inc | 1,305 | $352.4K | 0.02% | −5−0.4% | Reduced |
| Clearstead Advisors, LLC | 1,304 | $352.1K | 0.01% | +194+17.5% | Added |
| Kaufman Rossin Wealth, LLC | 1,300 | $351.0K | 0.25% | +1,300 | New |
| Cigna Investments Inc | 1,297 | $351.0K | 0.07% | 00.0% | Unchanged |
| Plante Moran Financial Advisors, LLC | 1,285 | $347.0K | 0.03% | +650+102.4% | Added |
| Crowley Wealth Management, Inc. | 1,250 | $337.5K | 0.32% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 1,220 | $329.0K | 0.01% | +1,208+10,066.7% | Added |
| Resources Investment Advisors, LLC. | 1,211 | $327.0K | 0.00% | +165+15.8% | Added |
| Brighton Jones LLC | 1,209 | $326.5K | 0.01% | +177+17.2% | Added |
| NorthCrest Asset Manangement, LLC | 1,196 | $323.0K | 0.01% | +1,196 | New |
| Qsemble Capital Management, LP | 1,196 | $322.9K | 0.03% | +1,196 | New |
| Marex Group plc | 1,173 | $316.7K | 0.01% | −95−7.5% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 1,162 | $313.8K | 0.11% | +160+16.0% | Added |
| Two Sigma Securities, LLC | 1,159 | $313.0K | 0.05% | +42+3.8% | Added |
| Ronald Blue Trust, Inc. | 1,158 | $312.7K | 0.00% | +293+33.9% | Added |
| Algert Global LLC | 1,150 | $310.5K | 0.01% | +1,150 | New |
| Peregrine Capital Management LLC | 1,147 | $309.7K | 0.01% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,098 | $296.5K | 0.01% | +1,089+12,100.0% | Added |
| Coldstream Capital Management Inc | 1,079 | $291.3K | 0.01% | −34−3.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,062 | $286.8K | 0.00% | +122+13.0% | Added |
| TownSquare Capital, LLC | 1,059 | $285.9K | 0.00% | +93+9.6% | Added |
| Altfest L J & Co Inc | 1,050 | $283.5K | 0.04% | +1,050 | New |
| Nichols & Pratt Advisers LLP | 1,043 | $281.6K | 0.02% | −332−24.1% | Reduced |
| Principal Securities, Inc. | 1,187 | $279.3K | 0.01% | 00.0% | Unchanged |
| Breakwater Capital Group | 1,029 | $277.9K | 0.05% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 1,028 | $277.6K | 0.02% | −141−12.1% | Reduced |
| Callan Family Office, LLC | 1,018 | $274.9K | 0.02% | −24−2.3% | Reduced |
| Crossmark Global Holdings, Inc. | 1,018 | $274.9K | 0.00% | +1,018 | New |
| Sym Financial Corp | 1,014 | $273.8K | 0.03% | +51+5.3% | Added |
| Greenland Capital Management LP | 1,000 | $270.0K | 0.05% | −1,000−50.0% | Reduced |
| Westmount Partners, LLC | 1,000 | $270.0K | 0.08% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,000 | $269.9K | 0.02% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 998 | $269.4K | 0.00% | +998 | New |
| Sara-Bay Financial | 1,000 | $268.5K | 0.12% | +15+1.5% | Added |
| Meeder Advisory Services, Inc. | 978 | $264.1K | 0.02% | +72+7.9% | Added |
| Polymer Capital Management (US) LLC | 961 | $259.5K | 0.08% | +961 | New |
| Kestra Advisory Services, LLC | 958 | $258.7K | 0.00% | −629−39.6% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 955 | $257.9K | 0.01% | 00.0% | Unchanged |
| HCR Wealth Advisors | 924 | $249.5K | 0.03% | 00.0% | Unchanged |
| Fukoku Mutual Life Insurance Co | 914 | $246.8K | 0.02% | 00.0% | Unchanged |
| Nwam LLC | 907 | $244.9K | 0.02% | +1+0.1% | Added |
| Independent Financial Group, LLC | 890 | $240.3K | 0.01% | −15−1.7% | Reduced |
| Smartleaf Asset Management LLC | 895 | $240.3K | 0.02% | +148+19.8% | Added |
| Envestnet Portfolio Solutions, Inc. | 867 | $234.1K | 0.00% | −1,195−58.0% | Reduced |
| Beacon Pointe Advisors, LLC | 867 | $234.1K | 0.00% | −68−7.3% | Reduced |
| Parallel Advisors, LLC | 862 | $232.7K | 0.01% | +31+3.7% | Added |
| Poinciana Advisors Group, LLC | 851 | $229.8K | 0.24% | −10−1.2% | Reduced |
| Snowden Capital Advisors LLC | 829 | $223.8K | 0.01% | +829 | New |
| Wiley Bros.-Aintree Capital, LLC | 828 | $222.9K | 0.00% | +828 | New |
| Chapin Davis, Inc. | 825 | $222.8K | 0.08% | 00.0% | Unchanged |
| Proficio Capital Partners LLC | 808 | $218.2K | 0.02% | +808 | New |
| Meridian Financial, LLC | 800 | $216.0K | 0.15% | −100−11.1% | Reduced |
| Compass Capital Corp | 800 | $215.0K | 0.11% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 789 | $213.0K | 0.00% | +789 | New |
| Essex LLC | 788 | $212.8K | 0.05% | +788 | New |
| Ellevest, Inc. | 773 | $208.7K | 0.01% | −651−45.7% | Reduced |
| HB Wealth Management, LLC | 771 | $208.3K | 0.00% | +771 | New |
| Alta Advisers Ltd | 757 | $204.4K | 0.09% | +757 | New |
| Strategic Financial Concepts, LLC | 752 | $203.1K | 0.04% | +752 | New |
| Ascent Group, LLC | 749 | $202.2K | 0.01% | +749 | New |
| Parcion Private Wealth LLC | 748 | $202.0K | 0.02% | +748 | New |
| National Bank of Canada | 663 | $179.0K | 0.00% | −5−0.7% | Reduced |
| Zions Bancorporation, National Association | 646 | $174.4K | 0.01% | +646 | New |
| Caitong International Asset Management Co., Ltd | 618 | $166.9K | 0.12% | +602+3,762.5% | Added |
| GAMMA Investing LLC | 616 | $166.3K | 0.01% | +77+14.3% | Added |
| Lindbrook Capital, LLC | 596 | $160.9K | 0.01% | +50+9.2% | Added |
| Allworth Financial LP | 618 | $149.9K | 0.00% | +21+3.5% | Added |
| Quadrant Capital Group LLC | 548 | $148.0K | 0.01% | +302+122.8% | Added |
| Northwestern Mutual Wealth Management Co | 525 | $141.8K | 0.00% | +49+10.3% | Added |
| Fourth Dimension Wealth, LLC | 504 | $136.1K | 0.07% | +504 | New |