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 |
|---|---|---|---|---|---|
| West Family Investments, Inc. | 646 | $256.9K | 0.06% | −176−21.4% | Reduced |
| Sowell Financial Services LLC | 645 | $256.5K | 0.01% | −9−1.4% | Reduced |
| Plante Moran Financial Advisors, LLC | 635 | $252.5K | 0.02% | −2−0.3% | Reduced |
| Journey Retirement Planning & Investment Management LLC | 630 | $250.5K | 0.05% | +630 | New |
| Evoke Wealth, LLC | 621 | $246.9K | 0.00% | −275−30.7% | Reduced |
| 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 |
| Quadrant Capital Group LLC | 615 | $244.6K | 0.01% | +62+11.2% | Added |
| 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 |
| PCM Encore, LLC | 605 | $240.4K | 0.05% | +605 | New |
| Covenant Partners, LLC | 604 | $240.2K | 0.07% | 00.0% | Unchanged |
| LeConte Wealth Management, LLC | 604 | $240.2K | 0.16% | +78+14.8% | Added |
| AlTi Global, Inc. | 602 | $239.4K | 0.01% | +26+4.5% | Added |
| Evercore Wealth Management, LLC | 600 | $238.6K | 0.00% | 00.0% | Unchanged |
| Premier Path Wealth Partners, LLC | 596 | $236.8K | 0.03% | +92+18.3% | Added |
| Graham Capital Management, L.P. | 588 | $233.8K | 0.01% | −2,427−80.5% | Reduced |
| LVW Advisors, LLC | 582 | $231.4K | 0.02% | −8−1.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 581 | $231.0K | 0.00% | +14+2.5% | Added |
| Cooper Financial Group | 580 | $230.6K | 0.02% | −17−2.8% | Reduced |
| Algert Global LLC | 580 | $230.6K | 0.00% | +580 | New |
| Kingswood Wealth Advisors, LLC | 574 | $228.3K | 0.01% | +574 | New |
| Oversea-Chinese Banking CORP Ltd | 565 | $224.7K | 0.01% | +565 | New |
| Northwest Wealth Management, LLC | 565 | $224.7K | 0.04% | +565 | New |
| Fidelis Capital Partners, LLC | 563 | $223.9K | 0.02% | +24+4.5% | Added |
| Alta Advisers Ltd | 557 | $221.5K | 0.08% | −200−26.4% | Reduced |
| Chicago Partners Investment Group LLC | 617 | $220.9K | 0.01% | −355−36.5% | Reduced |
| Gabelli Funds LLC | 550 | $218.7K | 0.00% | +550 | New |
| Portside Wealth Group, LLC | 546 | $217.1K | 0.03% | −205−27.3% | Reduced |
| Essex LLC | 546 | $217.1K | 0.04% | −1−0.2% | Reduced |
| Capital Performance Advisors LLP | 541 | $215.1K | 0.02% | −47−8.0% | Reduced |
| Fi3 FINANCIAL ADVISORS, LLC | 539 | $214.3K | 0.07% | −2−0.4% | Reduced |
| Intrust Bank NA | 538 | $213.9K | 0.02% | +538 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 530 | $210.8K | 0.05% | 00.0% | Unchanged |
| Soltis Investment Advisors LLC | 530 | $210.6K | 0.01% | +530 | New |
| AlphaCore Capital LLC | 527 | $209.6K | 0.00% | +527 | New |
| Ariadne Wealth Management, LP | 677 | $208.8K | 0.09% | −26−3.7% | Reduced |
| GTS Securities LLC | 525 | $208.8K | 0.01% | +525 | New |
| Cascade Financial Partners, LLC | 523 | $207.9K | 0.02% | −104−16.6% | Reduced |
| Fortitude Family Office, LLC | 517 | $205.6K | 0.05% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 510 | $202.7K | 0.00% | −220−30.1% | Reduced |
| PharVision Advisers, LLC | 504 | $200.4K | 0.10% | +504 | New |
| Align Financial, LLC | 198,825 | $198.8K | 0.12% | +198,825 | New |
| Perkins Coie Trust Co | 500 | $198.8K | 0.04% | +500 | New |
| Horizon Investments, LLC | 451 | $179.3K | 0.00% | +48+11.9% | Added |
| MAI Capital Management | 447 | $177.9K | 0.00% | −2−0.4% | Reduced |
| Essential Partners LLC | 445 | $177.0K | 0.05% | −791−64.0% | Reduced |
| USA Financial Portformulas Corp | 424 | $168.6K | 0.03% | +424 | New |
| Versant Capital Management, Inc | 416 | $165.4K | 0.02% | +24+6.1% | Added |
| Bayforest Capital Ltd | 412 | $163.8K | 0.12% | +412 | New |
| SageView Advisory Group, LLC | 398 | $158.3K | 0.01% | +398 | New |
| Rothschild Investment LLC | 360 | $143.2K | 0.01% | −718−66.6% | Reduced |
| Quantbot Technologies LP | 350 | $139.2K | 0.00% | −825−70.2% | Reduced |
| Globeflex Capital L P | 335 | $133.2K | 0.02% | +335 | New |
| E Fund Management (Hong Kong) Co., Ltd. | 389 | $131.9K | 0.06% | +389 | New |
| TD Waterhouse Canada Inc. | 330 | $131.2K | 0.00% | 00.0% | Unchanged |
| Havemeyer Place LP | 298 | $118.5K | 0.02% | +298 | New |
| Ronald Blue Trust, Inc. | 284 | $112.9K | 0.00% | −65−18.6% | Reduced |
| Munich Reinsurance Co Stock Corp in Munich | 275 | $109.2K | 0.00% | +275 | New |
| Greenline Wealth Management LLC | 242 | $96.1K | 0.10% | +242 | New |
| Larson Financial Group LLC | 241 | $95.8K | 0.00% | −59−19.7% | Reduced |
| Torren Management, LLC | 235 | $93.4K | 0.05% | +235 | New |
| Atlantic Union Bankshares Corp | 231 | $91.9K | 0.00% | +40+20.9% | Added |
| Bessemer Group Inc | 227 | $90.0K | 0.00% | +5+2.3% | Added |
| Clear Street Markets LLC | 202 | $80.3K | 0.01% | +202 | New |
| Spire Wealth Management | 202 | $80.3K | 0.00% | −5−2.4% | Reduced |
| Concord Wealth Partners | 200 | $79.5K | 0.01% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 194 | $77.1K | 0.00% | −3−1.5% | Reduced |
| LRI Investments, LLC | 192 | $76.2K | 0.01% | +2+1.1% | Added |
| Rakuten Securities, Inc. | 189 | $75.2K | 0.02% | +185+4,625.0% | Added |
| Brown Brothers Harriman & Co | 180 | $71.6K | 0.00% | +7+4.0% | Added |
| Evelyn Partners Investment Management LLP | 175 | $69.6K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 173 | $68.8K | 0.01% | −11−6.0% | Reduced |
| First Horizon Corp | 163 | $64.8K | 0.00% | +28+20.7% | Added |
| Capital Advisors, Ltd. LLC | 162 | $64.0K | 0.01% | 00.0% | Unchanged |
| Reflection Asset Management | 159 | $63.2K | 0.04% | +159 | New |
| True Wealth Design, LLC | 155 | $61.5K | 0.02% | −73−32.0% | Reduced |
| Meeder Asset Management Inc | 154 | $61.2K | 0.00% | +125+431.0% | Added |
| CoreCap Advisors, LLC | 152 | $60.4K | 0.00% | −228−60.0% | Reduced |
| Clearstead Advisors, LLC | 147 | $58.5K | 0.00% | −617−80.8% | Reduced |
| SBI Securities Co., Ltd. | 147 | $58.5K | 0.00% | +84+133.3% | Added |
| Zions Bancorporation, National Association | 147 | $58.5K | 0.00% | +138+1,533.3% | Added |
| Quarry LP | 144 | $57.3K | 0.01% | +123+585.7% | Added |
| Itau Unibanco Holding S.A. | 141 | $56.1K | 0.00% | −27−16.1% | Reduced |
| Stephenson National Bank & Trust | 135 | $53.7K | 0.02% | −50−27.0% | Reduced |
| Brown, Lisle/Cummings, Inc. | 132 | $52.5K | 0.01% | 00.0% | Unchanged |
| Fifth Third Bancorp | 127 | $50.5K | 0.00% | +70+122.8% | Added |
| Park Place Capital Corp | 126 | $50.1K | 0.01% | 00.0% | Unchanged |
| Fideuram Asset Management (Ireland) dac | 122 | $49.8K | 0.00% | +122 | New |
| Rossby Financial, LCC | 124 | $49.3K | 0.02% | +12+10.7% | Added |
| Basecamp Wealth Advisors LLC | 123 | $48.8K | 0.01% | +123 | New |
| Harbour Investments, Inc. | 116 | $46.1K | 0.00% | −11−8.7% | Reduced |
| SHP Wealth Management | 109 | $43.2K | 0.00% | +109 | New |
| Activest Wealth Management | 108 | $42.9K | 0.01% | +107+10,700.0% | Added |
| Titan Wealth (CI) Ltd | 105 | $41.8K | 0.02% | +105 | New |
| Leonteq Securities AG | 105 | $41.8K | 0.00% | +102+3,400.0% | Added |
| Eastern Bank | 105 | $41.8K | 0.00% | +105 | New |
| Keating Financial Advisory Services, Inc. | 104 | $41.4K | 0.01% | +104 | New |
| Huntington National Bank | 102 | $40.6K | 0.00% | +1+1.0% | Added |
| Hartford Financial Management Inc. | 100 | $39.8K | 0.01% | 00.0% | Unchanged |