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, Q4 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 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
- 852
- +55 vs. Q3 2025
- Shares held
- 132.8M
- +3.06M (+2.4%) vs. Q3 2025
- Total value
- $52.7B
- −$6.43B (−10.9%) vs. Q3 2025
- New holders
- 172
- 290 more added
- Sold out
- 117
- 291 more reduced
26 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 360 | $143.2K | 0.01% | −718−66.6% | Reduced |
| SageView Advisory Group, LLC | 398 | $158.3K | 0.01% | +398 | New |
| Bayforest Capital Ltd | 412 | $163.8K | 0.12% | +412 | New |
| Versant Capital Management, Inc | 416 | $165.4K | 0.02% | +24+6.1% | Added |
| USA Financial Portformulas Corp | 424 | $168.6K | 0.03% | +424 | New |
| Essential Partners LLC | 445 | $177.0K | 0.05% | −791−64.0% | Reduced |
| MAI Capital Management | 447 | $177.9K | 0.00% | −2−0.4% | Reduced |
| Horizon Investments, LLC | 451 | $179.3K | 0.00% | +48+11.9% | Added |
| Perkins Coie Trust Co | 500 | $198.8K | 0.04% | +500 | New |
| Align Financial, LLC | 198,825 | $198.8K | 0.12% | +198,825 | New |
| PharVision Advisers, LLC | 504 | $200.4K | 0.10% | +504 | New |
| Resources Investment Advisors, LLC. | 510 | $202.7K | 0.00% | −220−30.1% | Reduced |
| Fortitude Family Office, LLC | 517 | $205.6K | 0.05% | 00.0% | Unchanged |
| Cascade Financial Partners, LLC | 523 | $207.9K | 0.02% | −104−16.6% | Reduced |
| GTS Securities LLC | 525 | $208.8K | 0.01% | +525 | New |
| Ariadne Wealth Management, LP | 677 | $208.8K | 0.09% | −26−3.7% | Reduced |
| AlphaCore Capital LLC | 527 | $209.6K | 0.00% | +527 | New |
| Soltis Investment Advisors LLC | 530 | $210.6K | 0.01% | +530 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 530 | $210.8K | 0.05% | 00.0% | Unchanged |
| Intrust Bank NA | 538 | $213.9K | 0.02% | +538 | New |
| Fi3 FINANCIAL ADVISORS, LLC | 539 | $214.3K | 0.07% | −2−0.4% | Reduced |
| Capital Performance Advisors LLP | 541 | $215.1K | 0.02% | −47−8.0% | Reduced |
| Portside Wealth Group, LLC | 546 | $217.1K | 0.03% | −205−27.3% | Reduced |
| Essex LLC | 546 | $217.1K | 0.04% | −1−0.2% | Reduced |
| Gabelli Funds LLC | 550 | $218.7K | 0.00% | +550 | New |
| Chicago Partners Investment Group LLC | 617 | $220.9K | 0.01% | −355−36.5% | Reduced |
| Alta Advisers Ltd | 557 | $221.5K | 0.08% | −200−26.4% | Reduced |
| Fidelis Capital Partners, LLC | 563 | $223.9K | 0.02% | +24+4.5% | Added |
| Oversea-Chinese Banking CORP Ltd | 565 | $224.7K | 0.01% | +565 | New |
| Northwest Wealth Management, LLC | 565 | $224.7K | 0.04% | +565 | New |
| Kingswood Wealth Advisors, LLC | 574 | $228.3K | 0.01% | +574 | New |
| Cooper Financial Group | 580 | $230.6K | 0.02% | −17−2.8% | Reduced |
| Algert Global LLC | 580 | $230.6K | 0.00% | +580 | New |
| Northwestern Mutual Wealth Management Co | 581 | $231.0K | 0.00% | +14+2.5% | Added |
| LVW Advisors, LLC | 582 | $231.4K | 0.02% | −8−1.4% | Reduced |
| Graham Capital Management, L.P. | 588 | $233.8K | 0.01% | −2,427−80.5% | Reduced |
| Premier Path Wealth Partners, LLC | 596 | $236.8K | 0.03% | +92+18.3% | Added |
| Evercore Wealth Management, LLC | 600 | $238.6K | 0.00% | 00.0% | Unchanged |
| AlTi Global, Inc. | 602 | $239.4K | 0.01% | +26+4.5% | Added |
| Covenant Partners, LLC | 604 | $240.2K | 0.07% | 00.0% | Unchanged |
| LeConte Wealth Management, LLC | 604 | $240.2K | 0.16% | +78+14.8% | Added |
| PCM Encore, LLC | 605 | $240.4K | 0.05% | +605 | New |
| Independent Advisor Alliance | 605 | $240.6K | 0.01% | −74−10.9% | Reduced |
| Waterloo Capital, L.P. | 605 | $240.6K | 0.02% | −25−4.0% | Reduced |
| Quadrant Capital Group LLC | 615 | $244.6K | 0.01% | +62+11.2% | Added |
| Transcend Wealth Collective, LLC | 620 | $246.5K | 0.02% | −279−31.0% | Reduced |
| Everpar Advisors LLC | 620 | $246.5K | 0.09% | +37+6.3% | Added |
| Evoke Wealth, LLC | 621 | $246.9K | 0.00% | −275−30.7% | Reduced |
| Journey Retirement Planning & Investment Management LLC | 630 | $250.5K | 0.05% | +630 | New |
| Plante Moran Financial Advisors, LLC | 635 | $252.5K | 0.02% | −2−0.3% | Reduced |
| Sowell Financial Services LLC | 645 | $256.5K | 0.01% | −9−1.4% | Reduced |
| West Family Investments, Inc. | 646 | $256.9K | 0.06% | −176−21.4% | Reduced |
| Skopos Labs, Inc. | 648 | $258.3K | 0.01% | +648 | New |
| IFP Advisors, Inc | 664 | $264.0K | 0.01% | +173+35.2% | Added |
| Legacy Wealth Asset Management, LLC | 668 | $265.6K | 0.07% | −26−3.7% | Reduced |
| L2 Asset Management, LLC | 671 | $266.8K | 0.04% | +60+9.8% | Added |
| EP Wealth Advisors, LLC | 671 | $266.8K | 0.00% | +671 | New |
| Savvy Advisors, Inc. | 672 | $267.2K | 0.01% | −38−5.4% | Reduced |
| Glenmede Trust Co NA | 675 | $268.4K | 0.00% | +675 | New |
| Scientech Research LLC | 676 | $268.8K | 0.17% | −3,196−82.5% | Reduced |
| SRS Capital Advisors, Inc. | 678 | $269.6K | 0.01% | −12,407−94.8% | Reduced |
| Fiduciary Trust Co | 680 | $270.5K | 0.00% | +7+1.0% | Added |
| Ashton Thomas Securities, LLC | 688 | $273.6K | 0.05% | +688 | New |
| Dynasty Wealth Management, LLC | 688 | $273.6K | 0.00% | +20+3.0% | Added |
| Essex Financial Services, Inc. | 690 | $274.2K | 0.02% | −24−3.4% | Reduced |
| GenTrust, LLC | 695 | $276.4K | 0.01% | +695 | New |
| Independent Financial Group, LLC | 698 | $277.6K | 0.01% | +66+10.4% | Added |
| Bradley Foster & Sargent Inc | 701 | $278.8K | 0.00% | +81+13.1% | Added |
| Ofi Invest Asset Management | 776 | $281.4K | 0.00% | +373+92.6% | Added |
| Perfromance Wealth Partners, LLC | 725 | $288.3K | 0.01% | 00.0% | Unchanged |
| Meridian Financial, LLC | 728 | $289.5K | 0.16% | −100−12.1% | Reduced |
| Sym Financial Corp | 729 | $289.9K | 0.03% | +54+8.0% | Added |
| Banco Santander, S.A. | 731 | $290.7K | 0.00% | +731 | New |
| Benjamin Edwards Inc | 733 | $291.4K | 0.00% | +246+50.5% | Added |
| Kaufman Rossin Wealth, LLC | 749 | $297.7K | 0.16% | +266+55.1% | Added |
| SkyOak Wealth, LLC | 760 | $302.2K | 0.05% | −87−10.3% | Reduced |
| Wick Capital Partners, LLC | 769 | $305.8K | 0.05% | +769 | New |
| Perigon Wealth Management, LLC | 776 | $308.6K | 0.01% | −407−34.4% | Reduced |
| Jones Financial Companies LLLP | 780 | $310.2K | 0.00% | +238+43.9% | Added |
| Lido Advisors, LLC | 717 | $311.9K | 0.00% | +59+9.0% | Added |
| Beacon Pointe Advisors, LLC | 790 | $314.1K | 0.00% | −164−17.2% | Reduced |
| Blueshift Asset Management, LLC | 791 | $314.5K | 0.09% | +188+31.2% | Added |
| Ascent Group, LLC | 795 | $316.1K | 0.01% | +171+27.4% | Added |
| Concurrent Investment Advisors, LLC | 802 | $318.9K | 0.00% | +802 | New |
| Cookson Peirce & Co Inc | 811 | $322.5K | 0.01% | +264+48.3% | Added |
| Chapin Davis, Inc. | 825 | $328.1K | 0.08% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 826 | $328.5K | 0.01% | +30+3.8% | Added |
| Nwam LLC | 914 | $330.3K | 0.02% | +2+0.2% | Added |
| HighPoint Advisor Group LLC | 832 | $330.8K | 0.01% | +128+18.2% | Added |
| We Are One Seven, LLC | 833 | $331.2K | 0.01% | +133+19.0% | Added |
| Snowden Capital Advisors LLC | 834 | $331.6K | 0.01% | −33−3.8% | Reduced |
| Warren Averett Asset Management, LLC | 840 | $334.0K | 0.00% | −25−2.9% | Reduced |
| Stephens Inc | 845 | $336.0K | 0.00% | +146+20.9% | Added |
| Poinciana Advisors Group, LLC | 851 | $338.4K | 0.27% | −6−0.7% | Reduced |
| Jackson Thornton Asset Management, LLC | 842 | $342.2K | 0.03% | −76−8.3% | Reduced |
| Ellevest, Inc. | 863 | $343.2K | 0.05% | +89+11.5% | Added |
| Savant Capital, LLC | 875 | $347.9K | 0.00% | −8−0.9% | Reduced |
| Beese Fulmer Investment Management, Inc. | 888 | $353.1K | 0.02% | +888 | New |
| GAMMA Investing LLC | 893 | $355.1K | 0.02% | +70+8.5% | Added |
| waypoint wealth counsel | 895 | $355.9K | 0.13% | +274+44.1% | Added |