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, Q2 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 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
- 653
- +35 vs. Q1 2025
- Shares held
- 132.1M
- +2.77M (+2.1%) vs. Q1 2025
- Total value
- $43.1B
- +$8.27B (+23.8%) vs. Q1 2025
- New holders
- 98
- 262 more added
- Sold out
- 63
- 214 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Beacon Pointe Advisors, LLC | 1,036 | $337.8K | 0.00% | +169+19.5% | Added |
| Nichols & Pratt Advisers LLP | 1,043 | $340.1K | 0.02% | 00.0% | Unchanged |
| Crossmark Global Holdings, Inc. | 1,044 | $340.4K | 0.01% | +26+2.6% | Added |
| Capital Group Private Client Services, Inc. | 1,070 | $348.9K | 0.00% | −786−42.3% | Reduced |
| Coastal Bridge Advisors, LLC | 1,072 | $349.6K | 0.03% | +1,072 | New |
| Kestra Advisory Services, LLC | 1,084 | $353.5K | 0.00% | +126+13.2% | Added |
| Nwam LLC | 912 | $357.7K | 0.02% | +5+0.6% | Added |
| Diversified Trust Co | 1,098 | $358.0K | 0.01% | −384−25.9% | Reduced |
| Entropy Technologies, LP | 1,100 | $358.7K | 0.03% | +1,100 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 1,102 | $359.4K | 0.10% | −60−5.2% | Reduced |
| Wolverine Trading, LLC | 1,122 | $362.2K | 0.01% | −1,316−54.0% | Reduced |
| Resources Investment Advisors, LLC. | 1,117 | $364.2K | 0.00% | −94−7.8% | Reduced |
| Harvest Fund Management Co., Ltd | 1,125 | $366.0K | 0.02% | +1,125 | New |
| Clearstead Advisors, LLC | 1,123 | $366.2K | 0.01% | −181−13.9% | Reduced |
| Meeder Advisory Services, Inc. | 1,125 | $366.9K | 0.02% | +147+15.0% | Added |
| Group One Trading, L.P. | 1,134 | $369.8K | 0.01% | −5,068−81.7% | Reduced |
| Snowden Capital Advisors LLC | 1,136 | $370.4K | 0.01% | +307+37.0% | Added |
| Peregrine Capital Management LLC | 1,147 | $374.0K | 0.01% | 00.0% | Unchanged |
| Mathes Company, Inc. | 1,155 | $377.0K | 0.14% | +1,155 | New |
| Envestnet Portfolio Solutions, Inc. | 1,164 | $379.6K | 0.00% | +297+34.3% | Added |
| NewEdge Wealth, LLC | 902 | $392.5K | 0.01% | +902 | New |
| Wetherby Asset Management Inc | 1,226 | $399.8K | 0.02% | +1,226 | New |
| Frank, Rimerman Advisors LLC | 1,227 | $400.1K | 0.03% | +1,227 | New |
| Quantitative Investment Management, LLC | 1,238 | $403.0K | 0.05% | +1,238 | New |
| Banco Santander, S.A. | 1,245 | $406.0K | 0.00% | +1,245 | New |
| Cigna Investments Inc | 1,245 | $406.0K | 0.07% | −52−4.0% | Reduced |
| Crowley Wealth Management, Inc. | 1,250 | $407.6K | 0.37% | 00.0% | Unchanged |
| TB Alternative Assets Ltd. | 1,259 | $410.5K | 0.08% | −7,909−86.3% | Reduced |
| Fox Run Management, L.L.C. | 1,263 | $411.9K | 0.07% | +1,263 | New |
| Asahi Life Asset Management Co., Ltd. | 1,280 | $417.4K | 0.24% | −160−11.1% | Reduced |
| Plante Moran Financial Advisors, LLC | 1,285 | $419.0K | 0.03% | 00.0% | Unchanged |
| Beacon Investment Advisory Services, Inc. | 1,290 | $420.7K | 0.02% | −398−23.6% | Reduced |
| Ronald Blue Trust, Inc. | 1,293 | $421.6K | 0.00% | +135+11.7% | Added |
| North Star Asset Management Inc | 1,305 | $425.5K | 0.02% | 00.0% | Unchanged |
| Abn Amro Investment Solutions | 1,310 | $427.2K | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 1,328 | $433.0K | 0.00% | +1,328 | New |
| Vise Technologies, Inc. | 1,334 | $435.1K | 0.02% | +1,334 | New |
| Westpac Banking Corp | 1,355 | $441.9K | 0.03% | −3,718−73.3% | Reduced |
| Ossiam | 1,355 | $441.9K | 0.00% | +19+1.4% | Added |
| Voleon Capital Management LP | 1,356 | $442.2K | 0.02% | −10,558−88.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 1,357 | $442.3K | 0.00% | +295+27.8% | Added |
| Souders Financial Advisors | 1,359 | $443.2K | 0.06% | −434−24.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 1,384 | $451.0K | 0.00% | +595+75.4% | Added |
| Banque Pictet & Cie SA | 1,391 | $453.6K | 0.00% | −92−6.2% | Reduced |
| Fulton Bank, N.A. | 1,421 | $463.4K | 0.02% | +46+3.3% | Added |
| Ewing Morris & Co. Investment Partners Ltd. | 1,440 | $469.6K | 0.21% | +1,440 | New |
| Avantax Advisory Services, Inc. | 1,446 | $471.5K | 0.00% | +1,446 | New |
| Sara-Bay Financial | 1,450 | $472.8K | 0.17% | +450+45.0% | Added |
| Virtus Investment Advisers, Inc. | 1,459 | $475.8K | 0.16% | −8−0.5% | Reduced |
| High Net Worth Advisory Group LLC | 1,500 | $489.1K | 0.13% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 1,530 | $497.9K | 0.00% | +702+84.8% | Added |
| Qsemble Capital Management, LP | 1,530 | $498.9K | 0.05% | +334+27.9% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,533 | $499.9K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 1,550 | $505.4K | 0.25% | −814−34.4% | Reduced |
| Forum Financial Management, LP | 1,556 | $507.4K | 0.01% | +129+9.0% | Added |
| Yousif Capital Management, LLC | 1,567 | $511.0K | 0.01% | −106−6.3% | Reduced |
| United Capital Financial Advisers, LLC | 1,575 | $513.6K | 0.00% | +43+2.8% | Added |
| Coldstream Capital Management Inc | 1,602 | $522.3K | 0.01% | +523+48.5% | Added |
| S-Bank Fund Management Ltd | 1,614 | $526.3K | 0.08% | −146−8.3% | Reduced |
| Ballentine Partners, LLC | 1,617 | $527.3K | 0.01% | −8−0.5% | Reduced |
| Kennedy Capital Management, Inc. | 1,668 | $543.9K | 0.01% | +127+8.2% | Added |
| Bryn Mawr Trust Co | 1,686 | $549.8K | 0.01% | +588+53.6% | Added |
| V-Square Quantitative Management LLC | 1,692 | $551.7K | 0.07% | +1,321+356.1% | Added |
| Fort Sheridan Advisors LLC | 1,701 | $554.7K | 0.08% | 00.0% | Unchanged |
| Principal Securities, Inc. | 1,714 | $558.9K | 0.01% | +527+44.4% | Added |
| Oppenheimer & Co Inc | 1,716 | $559.6K | 0.01% | 00.0% | Unchanged |
| Wedmont Private Capital | 1,761 | $565.1K | 0.02% | +169+10.6% | Added |
| Vestmark Advisory Solutions, Inc. | 1,740 | $567.4K | 0.01% | +1,740 | New |
| Siemens Fonds Invest GmbH | 1,843 | $601.0K | 0.04% | +372+25.3% | Added |
| Quadrature Capital Ltd | 1,887 | $614.7K | 0.01% | −16,624−89.8% | Reduced |
| Merit Financial Group, LLC | 1,890 | $616.2K | 0.01% | −3,424−64.4% | Reduced |
| GraniteShares Advisors LLC | 1,899 | $619.2K | 0.38% | −211−10.0% | Reduced |
| Signaturefd, LLC | 1,906 | $621.6K | 0.01% | +151+8.6% | Added |
| Emerald Advisers, LLC | 1,941 | $632.9K | 0.02% | +445+29.7% | Added |
| Lecap Asset Management Ltd | 1,985 | $647.3K | 0.23% | +276+16.1% | Added |
| Security National Bank of So Dak | 2,000 | $652.2K | 0.36% | 00.0% | Unchanged |
| Archford Capital Strategies, LLC | 2,017 | $657.7K | 0.08% | −2−0.1% | Reduced |
| Park Avenue Securities LLC | 2,085 | $680.0K | 0.01% | +2,085 | New |
| New York Life Investment Management LLC | 2,103 | $685.8K | 0.01% | −111−5.0% | Reduced |
| Sumitomo Life Insurance Co | 2,118 | $690.7K | 0.05% | +2,118 | New |
| QRG Capital Management, Inc. | 2,136 | $696.5K | 0.01% | +187+9.6% | Added |
| Ethic Inc. | 2,176 | $702.6K | 0.01% | +133+6.5% | Added |
| Bannerman Wealth Management Group, LLC | 2,164 | $705.7K | 0.54% | −565−20.7% | Reduced |
| Sava Infond d.o.o. | 2,180 | $710.9K | 0.11% | +100+4.8% | Added |
| Everhart Financial Group, Inc. | 2,193 | $715.1K | 0.08% | +406+22.7% | Added |
| UniSuper Management Pty Ltd | 2,200 | $717.4K | 0.00% | −300−12.0% | Reduced |
| Convergence Investment Partners, LLC | 2,259 | $736.6K | 0.19% | +2,259 | New |
| Nixon Peabody Trust Co | 2,337 | $762.1K | 0.06% | +60+2.6% | Added |
| Kovitz Investment Group Partners, LLC | 2,350 | $766.4K | 0.00% | +10.0% | Added |
| Squarepoint Ops LLC | 2,446 | $797.6K | 0.00% | −3,822−61.0% | Reduced |
| Oxford Asset Management LLP | 2,468 | $804.8K | 0.26% | +2,468 | New |
| Mercer Global Advisors Inc | 2,563 | $835.7K | 0.00% | −647−20.2% | Reduced |
| Pallas Capital Advisors LLC | 2,570 | $838.1K | 0.03% | −4,065−61.3% | Reduced |
| Azzad Asset Management Inc | 2,651 | $864.5K | 0.09% | +2,651 | New |
| Bank of Nova Scotia | 2,679 | $873.8K | 0.00% | −1,827−40.5% | Reduced |
| Greenleaf Trust | 2,730 | $890.2K | 0.01% | −20−0.7% | Reduced |
| Shepherd Financial Partners LLC | 2,736 | $892.2K | 0.09% | 00.0% | Unchanged |
| Keybank National Association | 2,757 | $899.0K | 0.00% | −37−1.3% | Reduced |
| Horizon Kinetics Asset Management LLC | 2,759 | $899.7K | 0.01% | −121−4.2% | Reduced |
| Exchange Traded Concepts, LLC | 2,806 | $915.0K | 0.01% | −909−24.5% | Reduced |