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 2026
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2026. 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
- 794
- +8 vs. Q1 2026
- Shares held
- 133.4M
- +2.17M (+1.7%) vs. Q1 2026
- Total value
- $40.1B
- −$3.18B (−7.4%) vs. Q1 2026
- New holders
- 88
- 322 more added
- Sold out
- 80
- 285 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ethos Financial Group, LLC | 731 | $209.5K | 0.01% | +731 | New |
| Marex Group plc | 711 | $214.0K | 0.00% | −1,289−64.5% | Reduced |
| Flow Traders U.S. LLC | 715 | $215.0K | 0.01% | +715 | New |
| Atomi Financial Group, Inc. | 716 | $215.4K | 0.01% | −218−23.3% | Reduced |
| Portside Wealth Group, LLC | 721 | $217.0K | 0.03% | +721 | New |
| Legacy Wealth Asset Management, LLC | 729 | $219.5K | 0.05% | −19−2.5% | Reduced |
| Intrust Bank NA | 737 | $221.9K | 0.02% | +132+21.8% | Added |
| Dynasty Wealth Management, LLC | 747 | $224.9K | 0.00% | −487−39.5% | Reduced |
| Financial Security Advisor, Inc. | 750 | $225.8K | 0.04% | +750 | New |
| Bull Harbor Capital LLC | 753 | $226.7K | 0.04% | +119+18.8% | Added |
| Private Advisor Group, LLC | 755 | $227.3K | 0.00% | +755 | New |
| LeConte Wealth Management, LLC | 759 | $228.5K | 0.12% | +64+9.2% | Added |
| SkyOak Wealth, LLC | 760 | $228.8K | 0.04% | 00.0% | Unchanged |
| West Family Investments, Inc. | 767 | $230.9K | 0.07% | +767 | New |
| L2 Asset Management, LLC | 768 | $231.2K | 0.02% | +20+2.7% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 778 | $234.2K | 0.08% | +247+46.5% | Added |
| EP Wealth Advisors, LLC | 791 | $238.2K | 0.00% | +99+14.3% | Added |
| Core Wealth Partners LLC | 800 | $240.8K | 0.10% | +800 | New |
| Kestra Private Wealth Services, LLC | 822 | $247.4K | 0.00% | +822 | New |
| Warren Averett Asset Management, LLC | 823 | $247.7K | 0.00% | −84−9.3% | Reduced |
| Sowell Financial Services LLC | 838 | $252.4K | 0.01% | +84+11.1% | Added |
| Chapin Davis, Inc. | 850 | $255.9K | 0.05% | +6+0.7% | Added |
| Poinciana Advisors Group, LLC | 851 | $256.2K | 0.19% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 866 | $260.7K | 0.01% | +159+22.5% | Added |
| Chicago Partners Investment Group LLC | 973 | $261.4K | 0.01% | +973 | New |
| Savant Capital, LLC | 878 | $262.7K | 0.00% | +3+0.3% | Added |
| Snowden Capital Advisors LLC | 875 | $263.4K | 0.01% | −41−4.5% | Reduced |
| We Are One Seven, LLC | 880 | $264.9K | 0.00% | +100+12.8% | Added |
| Evolve Private Wealth, LLC | 882 | $265.5K | 0.02% | −218−19.8% | Reduced |
| Sava Infond d.o.o. | 885 | $266.4K | 0.02% | −400−31.1% | Reduced |
| Sagespring Wealth Partners, LLC | 888 | $267.3K | 0.00% | −256−22.4% | Reduced |
| Dark Forest Capital Management LP | 912 | $274.5K | 0.02% | −12,795−93.3% | Reduced |
| Nwam LLC | 912 | $274.5K | 0.01% | −2−0.2% | Reduced |
| Pitcairn Wealth Advisors LLC | 914 | $275.1K | 0.03% | +914 | New |
| Proficio Capital Partners LLC | 919 | $276.6K | 0.01% | +919 | New |
| Emerald Advisers, LLC | 920 | $276.9K | 0.01% | −702−43.3% | Reduced |
| HCR Wealth Advisors | 924 | $278.2K | 0.02% | 00.0% | Unchanged |
| GAMMA Investing LLC | 937 | $282.1K | 0.01% | −57−5.7% | Reduced |
| Thayer Partners, LLC | 940 | $283.0K | 0.12% | +13+1.4% | Added |
| Coastal Bridge Advisors, LLC | 941 | $283.2K | 0.02% | −46−4.7% | Reduced |
| Generali Investments, Management Co LLC | 946 | $284.8K | 0.06% | −281−22.9% | Reduced |
| Caxton Associates LLP | 952 | $286.6K | 0.01% | +952 | New |
| Parallel Advisors, LLC | 964 | $290.5K | 0.00% | +73+8.2% | Added |
| DRW Securities, LLC | 999 | $300.4K | 0.02% | +124+14.2% | Added |
| Westmount Partners, LLC | 1,000 | $301.0K | 0.07% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,000 | $301.0K | 0.01% | 00.0% | Unchanged |
| Warberg Asset Management LLC | 1,000 | $301.1K | 0.09% | +1,000 | New |
| Breakwater Capital Group | 1,007 | $303.1K | 0.04% | 00.0% | Unchanged |
| Nichols & Pratt Advisers LLP | 1,039 | $312.8K | 0.02% | 00.0% | Unchanged |
| Krilogy Financial LLC | 1,050 | $316.1K | 0.01% | −123−10.5% | Reduced |
| Capstone Capital Management Ltd | 1,057 | $318.2K | 0.14% | −710−40.2% | Reduced |
| Cambria Investment Management, L.P. | 1,059 | $318.8K | 0.02% | +40+3.9% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 1,085 | $326.6K | 0.01% | +1,085 | New |
| Bellevue Group AG | 1,092 | $328.7K | 0.01% | −233,451−99.5% | Reduced |
| Allworth Financial LP | 1,099 | $330.7K | 0.00% | −184−14.3% | Reduced |
| North Star Asset Management Inc | 1,105 | $332.6K | 0.01% | +2+0.2% | Added |
| Apollon Wealth Management, LLC | 1,109 | $333.8K | 0.00% | +342+44.6% | Added |
| Brevan Howard Capital Management LP | 1,124 | $338.4K | 0.00% | −3,497−75.7% | Reduced |
| Buckingham Strategic Partners | 1,133 | $341.3K | 0.00% | −449−28.4% | Reduced |
| Beacon Pointe Advisors, LLC | 1,144 | $344.4K | 0.00% | −13−1.1% | Reduced |
| Farther Finance Advisors, LLC | 1,146 | $344.7K | 0.00% | +236+25.9% | Added |
| Northwestern Mutual Wealth Management Co | 1,151 | $346.5K | 0.00% | +235+25.7% | Added |
| Prosperity Consulting Group, LLC | 1,152 | $346.8K | 0.01% | +111+10.7% | Added |
| Aaron Wealth Advisors | 1,153 | $347.1K | 0.02% | +424+58.2% | Added |
| Mathes Company, Inc. | 1,155 | $348.0K | 0.11% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 1,159 | $348.9K | 0.02% | −2,481−68.2% | Reduced |
| Benjamin Edwards Inc | 1,168 | $351.6K | 0.00% | +83+7.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 1,173 | $353.0K | 0.00% | −754−39.1% | Reduced |
| GAM Holding AG | 1,198 | $360.6K | 0.03% | 00.0% | Unchanged |
| Frank, Rimerman Advisors LLC | 1,228 | $369.7K | 0.02% | −28−2.2% | Reduced |
| Vise Technologies, Inc. | 1,242 | $373.9K | 0.00% | −273−18.0% | Reduced |
| Keybank National Association | 1,246 | $375.1K | 0.00% | −1,993−61.5% | Reduced |
| MASTERINVEST Kapitalanlage GmbH | 1,251 | $376.6K | 0.03% | +72+6.1% | Added |
| Cigna Investments Inc | 1,278 | $385.0K | 0.05% | +48+3.9% | Added |
| Wealthcare Advisory Partners LLC | 1,280 | $385.3K | 0.01% | −50−3.8% | Reduced |
| MAI Capital Management | 1,281 | $385.5K | 0.00% | +72+6.0% | Added |
| Crossmark Global Holdings, Inc. | 1,291 | $388.6K | 0.01% | −2−0.2% | Reduced |
| Regions Financial Corp | 1,302 | $391.9K | 0.00% | −171−11.6% | Reduced |
| Sivia Capital Partners, LLC | 1,305 | $392.8K | 0.05% | +1,305 | New |
| Mount Yale Investment Advisors, LLC | 1,316 | $396.2K | 0.01% | +53+4.2% | Added |
| Smartleaf Asset Management LLC | 1,361 | $399.5K | 0.01% | 00.0% | Unchanged |
| Bradley Foster & Sargent Inc | 1,351 | $406.7K | 0.01% | +148+12.3% | Added |
| Oxford Asset Management LLP | 1,364 | $410.6K | 0.20% | +1,364 | New |
| Natixis | 1,371 | $412.7K | 0.00% | −15,705−92.0% | Reduced |
| Coldstream Capital Management Inc | 1,375 | $413.9K | 0.01% | +24+1.8% | Added |
| Optimize Financial Inc | 1,377 | $414.5K | 0.15% | −4−0.3% | Reduced |
| Sound Capital Solutions LLC | 1,377 | $414.5K | 0.10% | +1,377 | New |
| Asahi Life Asset Management Co., Ltd. | 1,388 | $417.8K | 0.24% | +305+28.2% | Added |
| Principal Securities, Inc. | 1,389 | $418.1K | 0.01% | −1,356−49.4% | Reduced |
| AlphaCentric Advisors LLC | 1,390 | $418.4K | 0.35% | +20+1.5% | Added |
| Wedmont Private Capital | 1,413 | $422.1K | 0.01% | +191+15.6% | Added |
| Polymer Capital Management (US) LLC | 1,415 | $426.0K | 0.06% | +1,415 | New |
| GTS Securities LLC | 1,452 | $437.1K | 0.01% | +400+38.0% | Added |
| PSP Research LLC | 1,465 | $441.0K | 0.23% | 00.0% | Unchanged |
| Alpine Global Management, LLC | 1,467 | $441.6K | 0.07% | +550+60.0% | Added |
| Eventide Asset Management, LLC | 1,526 | $447.9K | 0.01% | +415+37.4% | Added |
| High Net Worth Advisory Group LLC | 1,500 | $451.5K | 0.10% | 00.0% | Unchanged |
| Rangeley Capital, LLC | 1,500 | $451.5K | 0.44% | +1,500 | New |
| Fulton Bank, N.A. | 1,505 | $453.1K | 0.01% | −44−2.8% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 1,533 | $461.5K | 0.00% | 00.0% | Unchanged |