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 |
|---|---|---|---|---|---|
| PSP Research LLC | 1,465 | $441.0K | 0.23% | 00.0% | Unchanged |
| GTS Securities LLC | 1,452 | $437.1K | 0.01% | +400+38.0% | Added |
| Polymer Capital Management (US) LLC | 1,415 | $426.0K | 0.06% | +1,415 | New |
| Wedmont Private Capital | 1,413 | $422.1K | 0.01% | +191+15.6% | Added |
| AlphaCentric Advisors LLC | 1,390 | $418.4K | 0.35% | +20+1.5% | Added |
| Principal Securities, Inc. | 1,389 | $418.1K | 0.01% | −1,356−49.4% | Reduced |
| Asahi Life Asset Management Co., Ltd. | 1,388 | $417.8K | 0.24% | +305+28.2% | 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 |
| Coldstream Capital Management Inc | 1,375 | $413.9K | 0.01% | +24+1.8% | Added |
| Natixis | 1,371 | $412.7K | 0.00% | −15,705−92.0% | Reduced |
| Oxford Asset Management LLP | 1,364 | $410.6K | 0.20% | +1,364 | New |
| Bradley Foster & Sargent Inc | 1,351 | $406.7K | 0.01% | +148+12.3% | Added |
| Smartleaf Asset Management LLC | 1,361 | $399.5K | 0.01% | 00.0% | Unchanged |
| Mount Yale Investment Advisors, LLC | 1,316 | $396.2K | 0.01% | +53+4.2% | Added |
| Sivia Capital Partners, LLC | 1,305 | $392.8K | 0.05% | +1,305 | New |
| Regions Financial Corp | 1,302 | $391.9K | 0.00% | −171−11.6% | Reduced |
| Crossmark Global Holdings, Inc. | 1,291 | $388.6K | 0.01% | −2−0.2% | Reduced |
| MAI Capital Management | 1,281 | $385.5K | 0.00% | +72+6.0% | Added |
| Wealthcare Advisory Partners LLC | 1,280 | $385.3K | 0.01% | −50−3.8% | Reduced |
| Cigna Investments Inc | 1,278 | $385.0K | 0.05% | +48+3.9% | Added |
| MASTERINVEST Kapitalanlage GmbH | 1,251 | $376.6K | 0.03% | +72+6.1% | Added |
| Keybank National Association | 1,246 | $375.1K | 0.00% | −1,993−61.5% | Reduced |
| Vise Technologies, Inc. | 1,242 | $373.9K | 0.00% | −273−18.0% | Reduced |
| Frank, Rimerman Advisors LLC | 1,228 | $369.7K | 0.02% | −28−2.2% | Reduced |
| GAM Holding AG | 1,198 | $360.6K | 0.03% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 1,173 | $353.0K | 0.00% | −754−39.1% | Reduced |
| Benjamin Edwards Inc | 1,168 | $351.6K | 0.00% | +83+7.6% | Added |
| Zions Bancorporation, National Association | 1,159 | $348.9K | 0.02% | −2,481−68.2% | Reduced |
| Mathes Company, Inc. | 1,155 | $348.0K | 0.11% | 00.0% | Unchanged |
| Aaron Wealth Advisors | 1,153 | $347.1K | 0.02% | +424+58.2% | Added |
| Prosperity Consulting Group, LLC | 1,152 | $346.8K | 0.01% | +111+10.7% | Added |
| Northwestern Mutual Wealth Management Co | 1,151 | $346.5K | 0.00% | +235+25.7% | Added |
| Farther Finance Advisors, LLC | 1,146 | $344.7K | 0.00% | +236+25.9% | Added |
| Beacon Pointe Advisors, LLC | 1,144 | $344.4K | 0.00% | −13−1.1% | Reduced |
| Buckingham Strategic Partners | 1,133 | $341.3K | 0.00% | −449−28.4% | Reduced |
| Brevan Howard Capital Management LP | 1,124 | $338.4K | 0.00% | −3,497−75.7% | Reduced |
| Apollon Wealth Management, LLC | 1,109 | $333.8K | 0.00% | +342+44.6% | Added |
| North Star Asset Management Inc | 1,105 | $332.6K | 0.01% | +2+0.2% | Added |
| Allworth Financial LP | 1,099 | $330.7K | 0.00% | −184−14.3% | Reduced |
| Bellevue Group AG | 1,092 | $328.7K | 0.01% | −233,451−99.5% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 1,085 | $326.6K | 0.01% | +1,085 | New |
| Cambria Investment Management, L.P. | 1,059 | $318.8K | 0.02% | +40+3.9% | Added |
| Capstone Capital Management Ltd | 1,057 | $318.2K | 0.14% | −710−40.2% | Reduced |
| Krilogy Financial LLC | 1,050 | $316.1K | 0.01% | −123−10.5% | Reduced |
| Nichols & Pratt Advisers LLP | 1,039 | $312.8K | 0.02% | 00.0% | Unchanged |
| Breakwater Capital Group | 1,007 | $303.1K | 0.04% | 00.0% | Unchanged |
| Warberg Asset Management LLC | 1,000 | $301.1K | 0.09% | +1,000 | New |
| Westmount Partners, LLC | 1,000 | $301.0K | 0.07% | 00.0% | Unchanged |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,000 | $301.0K | 0.01% | 00.0% | Unchanged |
| DRW Securities, LLC | 999 | $300.4K | 0.02% | +124+14.2% | Added |
| Parallel Advisors, LLC | 964 | $290.5K | 0.00% | +73+8.2% | Added |
| Caxton Associates LLP | 952 | $286.6K | 0.01% | +952 | New |
| Generali Investments, Management Co LLC | 946 | $284.8K | 0.06% | −281−22.9% | Reduced |
| Coastal Bridge Advisors, LLC | 941 | $283.2K | 0.02% | −46−4.7% | Reduced |
| Thayer Partners, LLC | 940 | $283.0K | 0.12% | +13+1.4% | Added |
| GAMMA Investing LLC | 937 | $282.1K | 0.01% | −57−5.7% | Reduced |
| HCR Wealth Advisors | 924 | $278.2K | 0.02% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 920 | $276.9K | 0.01% | −702−43.3% | Reduced |
| Proficio Capital Partners LLC | 919 | $276.6K | 0.01% | +919 | New |
| Pitcairn Wealth Advisors LLC | 914 | $275.1K | 0.03% | +914 | New |
| 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 |
| Sagespring Wealth Partners, LLC | 888 | $267.3K | 0.00% | −256−22.4% | Reduced |
| Sava Infond d.o.o. | 885 | $266.4K | 0.02% | −400−31.1% | Reduced |
| Evolve Private Wealth, LLC | 882 | $265.5K | 0.02% | −218−19.8% | Reduced |
| We Are One Seven, LLC | 880 | $264.9K | 0.00% | +100+12.8% | Added |
| Snowden Capital Advisors LLC | 875 | $263.4K | 0.01% | −41−4.5% | Reduced |
| Savant Capital, LLC | 878 | $262.7K | 0.00% | +3+0.3% | Added |
| Chicago Partners Investment Group LLC | 973 | $261.4K | 0.01% | +973 | New |
| Essex Financial Services, Inc. | 866 | $260.7K | 0.01% | +159+22.5% | Added |
| Poinciana Advisors Group, LLC | 851 | $256.2K | 0.19% | 00.0% | Unchanged |
| Chapin Davis, Inc. | 850 | $255.9K | 0.05% | +6+0.7% | Added |
| Sowell Financial Services LLC | 838 | $252.4K | 0.01% | +84+11.1% | Added |
| Warren Averett Asset Management, LLC | 823 | $247.7K | 0.00% | −84−9.3% | Reduced |
| Kestra Private Wealth Services, LLC | 822 | $247.4K | 0.00% | +822 | New |
| Core Wealth Partners LLC | 800 | $240.8K | 0.10% | +800 | New |
| EP Wealth Advisors, LLC | 791 | $238.2K | 0.00% | +99+14.3% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 778 | $234.2K | 0.08% | +247+46.5% | Added |
| L2 Asset Management, LLC | 768 | $231.2K | 0.02% | +20+2.7% | Added |
| West Family Investments, Inc. | 767 | $230.9K | 0.07% | +767 | New |
| SkyOak Wealth, LLC | 760 | $228.8K | 0.04% | 00.0% | Unchanged |
| LeConte Wealth Management, LLC | 759 | $228.5K | 0.12% | +64+9.2% | Added |
| Private Advisor Group, LLC | 755 | $227.3K | 0.00% | +755 | New |
| Bull Harbor Capital LLC | 753 | $226.7K | 0.04% | +119+18.8% | Added |
| Financial Security Advisor, Inc. | 750 | $225.8K | 0.04% | +750 | New |
| Dynasty Wealth Management, LLC | 747 | $224.9K | 0.00% | −487−39.5% | Reduced |
| Intrust Bank NA | 737 | $221.9K | 0.02% | +132+21.8% | Added |
| Legacy Wealth Asset Management, LLC | 729 | $219.5K | 0.05% | −19−2.5% | Reduced |
| Portside Wealth Group, LLC | 721 | $217.0K | 0.03% | +721 | New |
| Atomi Financial Group, Inc. | 716 | $215.4K | 0.01% | −218−23.3% | Reduced |
| Flow Traders U.S. LLC | 715 | $215.0K | 0.01% | +715 | New |
| Marex Group plc | 711 | $214.0K | 0.00% | −1,289−64.5% | Reduced |
| Ethos Financial Group, LLC | 731 | $209.5K | 0.01% | +731 | New |
| DDD Partners, LLC | 694 | $208.9K | 0.01% | −195−21.9% | Reduced |
| Banque Transatlantique SA | 692 | $208.3K | 0.00% | +150+27.7% | Added |
| Quadcap Wealth Management, LLC | 682 | $205.3K | 0.02% | −25−3.5% | Reduced |
| Buck Wealth Strategies, LLC | 673 | $202.6K | 0.02% | +673 | New |
| Camden National Bank | 667 | $200.8K | 0.03% | +667 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 666 | $200.5K | 0.00% | +666 | New |