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 |
|---|---|---|---|---|---|
| Tower Research Capital LLC (TRC) | 1,383 | $366.6K | 0.01% | −3,998−74.3% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,533 | $370.9K | 0.00% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 1,375 | $371.3K | 0.01% | +32+2.4% | Added |
| Yarbrough Capital, LLC | 1,376 | $371.5K | 0.02% | 00.0% | Unchanged |
| Wedmont Private Capital | 1,592 | $378.5K | 0.02% | +107+7.2% | Added |
| Forum Financial Management, LP | 1,427 | $385.3K | 0.01% | −37−2.5% | Reduced |
| Asahi Life Asset Management Co., Ltd. | 1,440 | $388.8K | 0.25% | −40−2.7% | Reduced |
| Virtus Investment Advisers, Inc. | 1,467 | $396.1K | 0.11% | +1,467 | New |
| Siemens Fonds Invest GmbH | 1,471 | $397.2K | 0.03% | +106+7.8% | Added |
| Diversified Trust Co | 1,482 | $400.2K | 0.01% | −999−40.3% | Reduced |
| Banque Pictet & Cie SA | 1,483 | $400.4K | 0.00% | +1,483 | New |
| XTX Topco Ltd | 1,488 | $401.8K | 0.02% | +1,488 | New |
| Emerald Advisers, LLC | 1,496 | $403.9K | 0.02% | −84−5.3% | Reduced |
| High Net Worth Advisory Group LLC | 1,500 | $405.0K | 0.11% | 00.0% | Unchanged |
| United Capital Financial Advisers, LLC | 1,532 | $413.7K | 0.00% | +52+3.5% | Added |
| Kennedy Capital Management, Inc. | 1,541 | $416.1K | 0.01% | +6+0.4% | Added |
| Ballentine Partners, LLC | 1,625 | $438.8K | 0.01% | +52+3.3% | Added |
| Advisor Group Holdings, Inc. | 1,629 | $440.0K | 0.00% | −3,200−66.3% | Reduced |
| Yousif Capital Management, LLC | 1,673 | $451.7K | 0.01% | +31+1.9% | Added |
| New York State Teachers Retirement System | 1,678 | $453.0K | 0.00% | −4,158−71.2% | Reduced |
| Beacon Investment Advisory Services, Inc. | 1,688 | $455.8K | 0.02% | −2,033−54.6% | Reduced |
| Vontobel Holding Ltd. | 1,691 | $456.6K | 0.00% | −113−6.3% | Reduced |
| Fort Sheridan Advisors LLC | 1,701 | $459.3K | 0.07% | 00.0% | Unchanged |
| Lecap Asset Management Ltd | 1,709 | $461.5K | 0.11% | +1,709 | New |
| Point72 (DIFC) Ltd | 1,712 | $462.2K | 0.04% | +1,712 | New |
| Oppenheimer & Co Inc | 1,716 | $463.4K | 0.01% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,755 | $473.9K | 0.01% | +115+7.0% | Added |
| S-Bank Fund Management Ltd | 1,760 | $475.2K | 0.09% | +1,760 | New |
| Everhart Financial Group, Inc. | 1,787 | $482.5K | 0.07% | +191+12.0% | Added |
| Souders Financial Advisors | 1,793 | $484.1K | 0.07% | −947−34.6% | Reduced |
| Summit Trail Advisors, LLC | 1,803 | $486.8K | 0.02% | +518+40.3% | Added |
| Capital Group Private Client Services, Inc. | 1,856 | $501.2K | 0.00% | −39,669−95.5% | Reduced |
| Graham Capital Management, L.P. | 1,910 | $515.7K | 0.02% | −440−18.7% | Reduced |
| Ethic Inc. | 2,043 | $522.6K | 0.01% | −2,843−58.2% | Reduced |
| QRG Capital Management, Inc. | 1,949 | $526.3K | 0.01% | +964+97.9% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 1,986 | $536.3K | 0.02% | 00.0% | Unchanged |
| Security National Bank of So Dak | 2,000 | $540.0K | 0.31% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 2,000 | $540.0K | 0.01% | +2,000 | New |
| Archford Capital Strategies, LLC | 2,019 | $545.2K | 0.08% | +2,019 | New |
| Prudential PLC | 2,047 | $552.7K | 0.00% | −2,233−52.2% | Reduced |
| Sava Infond d.o.o. | 2,080 | $561.6K | 0.11% | +350+20.2% | Added |
| GraniteShares Advisors LLC | 2,110 | $569.7K | 0.36% | −155−6.8% | Reduced |
| Monograph Wealth Advisors, LLC | 2,126 | $574.1K | 0.08% | −12−0.6% | Reduced |
| Corebridge Financial, Inc. | 2,128 | $574.6K | 0.00% | −81−3.7% | Reduced |
| Accurate Wealth Management, LLC | 2,483 | $590.4K | 0.11% | +2,483 | New |
| New York Life Investment Management LLC | 2,214 | $597.8K | 0.01% | −170−7.1% | Reduced |
| Ci Investments Inc. | 2,221 | $600.0K | 0.00% | −1,263−36.3% | Reduced |
| Aster Capital Management (DIFC) Ltd | 2,451 | $604.8K | 0.11% | +2,451 | New |
| Nixon Peabody Trust Co | 2,277 | $614.8K | 0.05% | −16−0.7% | Reduced |
| PEAK6 LLC | 2,295 | $619.7K | 0.02% | −8,407−78.6% | Reduced |
| Kovitz Investment Group Partners, LLC | 2,349 | $634.2K | 0.00% | −292−11.1% | Reduced |
| EntryPoint Capital, LLC | 2,364 | $638.3K | 0.29% | −178−7.0% | Reduced |
| Walleye Capital LLC | 2,370 | $639.9K | 0.01% | −17,746−88.2% | Reduced |
| Wolverine Trading, LLC | 2,438 | $654.5K | 0.02% | −4,885−66.7% | Reduced |
| Vestcor Inc | 2,461 | $665.0K | 0.02% | +6+0.2% | Added |
| UniSuper Management Pty Ltd | 2,500 | $675.0K | 0.01% | 00.0% | Unchanged |
| Central Pacific Bank - Trust Division | 2,653 | $716.4K | 0.10% | +1,648+164.0% | Added |
| Vident Advisory, LLC | 2,667 | $720.1K | 0.01% | +1,340+101.0% | Added |
| Buckingham Strategic Partners | 2,724 | $735.5K | 0.01% | +1,862+216.0% | Added |
| Steel Peak Wealth Management LLC | 2,727 | $736.2K | 0.03% | −753−21.6% | Reduced |
| Bannerman Wealth Management Group, LLC | 2,729 | $736.9K | 0.60% | +1,338+96.2% | Added |
| Shepherd Financial Partners LLC | 2,736 | $738.8K | 0.09% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 2,739 | $739.6K | 0.01% | +227+9.0% | Added |
| Greenleaf Trust | 2,750 | $742.6K | 0.01% | +28+1.0% | Added |
| Keybank National Association | 2,794 | $754.4K | 0.00% | −68−2.4% | Reduced |
| Horizon Kinetics Asset Management LLC | 2,880 | $777.7K | 0.01% | 00.0% | Unchanged |
| Generali Investments CEE, investicni spolecnost, a.s. | 2,900 | $783.1K | 0.07% | 00.0% | Unchanged |
| Regal Investment Advisors LLC | 2,906 | $784.7K | 0.06% | −252−8.0% | Reduced |
| Everence Capital Management Inc | 2,970 | $802.0K | 0.05% | +450+17.9% | Added |
| Grandfield & Dodd, LLC | 3,032 | $818.7K | 0.05% | +659+27.8% | Added |
| Persistent Asset Partners Ltd | 3,034 | $819.2K | 0.72% | +3,034 | New |
| Schonfeld Strategic Advisors LLC | 3,082 | $832.2K | 0.01% | −123,918−97.6% | Reduced |
| Summit Global Investments | 3,145 | $849.0K | 0.06% | +3,145 | New |
| Mercer Global Advisors Inc | 3,210 | $866.7K | 0.00% | +610+23.5% | Added |
| B. Metzler seel. Sohn & Co. AG | 3,233 | $873.0K | 0.01% | −46−1.4% | Reduced |
| Hall Laurie J Trustee | 3,250 | $877.6K | 0.31% | 00.0% | Unchanged |
| Credit Agricole S A | 3,287 | $887.6K | 0.00% | −706−17.7% | Reduced |
| Sanctuary Advisors, LLC | 3,290 | $888.4K | 0.01% | −1,625−33.1% | Reduced |
| GF Fund Management Co. Ltd. | 3,302 | $891.6K | 0.02% | +594+21.9% | Added |
| Sanders Morris Harris LLC | 3,500 | $895.2K | 0.14% | 00.0% | Unchanged |
| Orion Capital Management LLC | 3,340 | $901.9K | 0.38% | 00.0% | Unchanged |
| Spectrum Planning & Advisory Services Inc. | 3,359 | $907.0K | 0.75% | 00.0% | Unchanged |
| Walleye Trading LLC | 3,360 | $907.3K | 0.03% | +3,360 | New |
| Tobam | 3,366 | $909.0K | 0.39% | −8,418−71.4% | Reduced |
| Sequoia Financial Advisors, LLC | 3,395 | $916.8K | 0.01% | +99+3.0% | Added |
| Rakuten Investment Management, Inc. | 3,559 | $955.4K | 0.00% | +3,559 | New |
| Truist Financial Corp | 3,624 | $978.6K | 0.00% | −774−17.6% | Reduced |
| Exchange Traded Concepts, LLC | 3,715 | $1.00M | 0.02% | −118−3.1% | Reduced |
| Perpetual Ltd | 3,718 | $1.00M | 0.01% | −5,213−58.4% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 3,720 | $1.00M | 0.07% | −796−17.6% | Reduced |
| Banque Cantonale Vaudoise | 3,728 | $1.01M | 0.04% | +3,728 | New |
| Kentucky Retirement Systems Insurance Trust Fund | 3,746 | $1.01M | 0.07% | +3,746 | New |
| Point72 Hong Kong Ltd | 3,795 | $1.02M | 0.07% | +3,795 | New |
| O'Shaughnessy Asset Management, LLC | 3,803 | $1.03M | 0.01% | +360+10.5% | Added |
| Brinker Capital Investments, LLC | 3,857 | $1.04M | 0.01% | +113+3.0% | Added |
| Orion Portfolio Solutions, LLC | 3,857 | $1.04M | 0.01% | +113+3.0% | Added |
| Gilbert & Cook, Inc. | 3,904 | $1.05M | 0.15% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 3,992 | $1.08M | 0.24% | +11+0.3% | Added |
| Howland Capital Management LLC | 4,000 | $1.08M | 0.05% | 00.0% | Unchanged |
| J.P. Marvel Investment Advisors, LLC | 4,000 | $1.08M | 0.19% | 00.0% | Unchanged |