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 |
|---|---|---|---|---|---|
| Atlantic Union Bankshares Corp | 92 | $30.0K | 0.00% | +92 | New |
| Harbour Investments, Inc. | 96 | $31.3K | 0.00% | +5+5.5% | Added |
| Hartford Financial Management Inc. | 100 | $32.6K | 0.01% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 100 | $32.6K | 0.01% | +10+11.1% | Added |
| Point72 (DIFC) Ltd | 105 | $34.2K | 0.00% | −1,607−93.9% | Reduced |
| Mount Yale Investment Advisors, LLC | 113 | $36.8K | 0.00% | +113 | New |
| Ameritas Advisory Services, LLC | 128 | $41.7K | 0.00% | +128 | New |
| Brown, Lisle/Cummings, Inc. | 132 | $43.0K | 0.01% | 00.0% | Unchanged |
| Quest Partners LLC | 132 | $43.0K | 0.00% | +132 | New |
| SRS Capital Advisors, Inc. | 150 | $48.9K | 0.00% | +65+76.5% | Added |
| Global Retirement Partners, LLC | 151 | $49.2K | 0.00% | +151 | New |
| Brown Brothers Harriman & Co | 154 | $50.2K | 0.00% | +127+470.4% | Added |
| Capital Advisors, Ltd. LLC | 162 | $53.0K | 0.01% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 168 | $54.8K | 0.00% | −2−1.2% | Reduced |
| Parkside Financial Bank & Trust | 179 | $58.4K | 0.01% | +44+32.6% | Added |
| Washington Trust Advisors, Inc. | 182 | $59.3K | 0.00% | +7+4.0% | Added |
| Prestige Wealth Management Group LLC | 184 | $60.0K | 0.01% | −132−41.8% | Reduced |
| Stephenson National Bank & Trust | 185 | $60.3K | 0.02% | +185 | New |
| First Horizon Advisors, Inc. | 187 | $61.0K | 0.00% | +63+50.8% | Added |
| Edmond de Rothschild Holding S.A. | 188 | $61.3K | 0.00% | −130−40.9% | Reduced |
| New York State Teachers Retirement System | 191 | $62.0K | 0.00% | −1,487−88.6% | Reduced |
| Bessemer Group Inc | 192 | $63.0K | 0.00% | +84+77.8% | Added |
| Huntington National Bank | 195 | $63.6K | 0.00% | −3−1.5% | Reduced |
| Massmutual Trust Co FSB | 196 | $63.9K | 0.00% | +52+36.1% | Added |
| Anchor Investment Management, LLC | 200 | $65.2K | 0.01% | 00.0% | Unchanged |
| Concord Wealth Partners | 200 | $65.2K | 0.01% | 00.0% | Unchanged |
| Spire Wealth Management | 205 | $66.8K | 0.00% | +1+0.5% | Added |
| Larson Financial Group LLC | 222 | $72.4K | 0.00% | +23+11.6% | Added |
| Geneos Wealth Management Inc. | 238 | $77.6K | 0.00% | +16+7.2% | Added |
| IFP Advisors, Inc | 200 | $81.5K | 0.00% | −32−13.8% | Reduced |
| Evelyn Partners Investment Management LLP | 250 | $81.5K | 0.00% | 00.0% | Unchanged |
| Ofi Invest Asset Management | 381 | $105.8K | 0.00% | +79+26.2% | Added |
| Horizon Investments, LLC | 340 | $110.9K | 0.00% | +340 | New |
| Covestor Ltd | 341 | $111.0K | 0.07% | −74−17.8% | Reduced |
| Walleye Trading LLC | 343 | $111.8K | 0.00% | −3,017−89.8% | Reduced |
| Tobam | 353 | $115.0K | 0.04% | −3,013−89.5% | Reduced |
| Farther Finance Advisors, LLC | 379 | $123.5K | 0.00% | +138+57.3% | Added |
| Hantz Financial Services, Inc. | 379 | $124.0K | 0.00% | +379 | New |
| Icon Wealth Advisors, LLC | 386 | $125.9K | 0.01% | +386 | New |
| Versant Capital Management, Inc | 387 | $126.2K | 0.02% | +51+15.2% | Added |
| Ostrum Asset Management | 394 | $128.5K | 0.01% | −12−3.0% | Reduced |
| EverSource Wealth Advisors, LLC | 437 | $142.5K | 0.01% | −18−4.0% | Reduced |
| Catalyst Capital Advisors LLC | 453 | $147.7K | 0.00% | +453 | New |
| Skopos Labs, Inc. | 481 | $156.6K | 0.02% | +78+19.4% | Added |
| MAI Capital Management | 488 | $159.2K | 0.00% | +41+9.2% | Added |
| Volterra Technologies LP | 490 | $159.8K | 0.22% | +490 | New |
| Northwestern Mutual Wealth Management Co | 496 | $161.7K | 0.00% | −29−5.5% | Reduced |
| Fortitude Family Office, LLC | 517 | $168.6K | 0.06% | +17+3.4% | Added |
| Jones Financial Companies LLLP | 572 | $184.7K | 0.00% | +153+36.5% | Added |
| Smartleaf Asset Management LLC | 594 | $191.8K | 0.02% | −301−33.6% | Reduced |
| Fourth Dimension Wealth, LLC | 589 | $192.1K | 0.08% | +85+16.9% | Added |
| Sowell Financial Services LLC | 616 | $200.9K | 0.01% | +616 | New |
| Cascade Financial Partners, LLC | 627 | $204.4K | 0.02% | +627 | New |
| Independent Financial Group, LLC | 635 | $207.1K | 0.01% | −255−28.7% | Reduced |
| Stephens Inc | 635 | $207.1K | 0.00% | +635 | New |
| Zions Bancorporation, National Association | 646 | $210.7K | 0.01% | 00.0% | Unchanged |
| Fukoku Mutual Life Insurance Co | 659 | $214.9K | 0.01% | −255−27.9% | Reduced |
| Atomi Financial Group, Inc. | 667 | $217.5K | 0.01% | +667 | New |
| Ariadne Wealth Management, LP | 506 | $218.9K | 0.10% | +506 | New |
| Fiduciary Trust Co | 673 | $219.5K | 0.00% | +673 | New |
| Stonegate Investment Group, LLC | 684 | $223.0K | 0.01% | +684 | New |
| Allworth Financial LP | 691 | $225.2K | 0.00% | +73+11.8% | Added |
| GWM Advisors LLC | 704 | $229.4K | 0.00% | +703+70,300.0% | Added |
| Fidelis Capital Partners, LLC | 536 | $229.5K | 0.02% | +536 | New |
| EP Wealth Advisors, LLC | 713 | $232.5K | 0.00% | −285−28.6% | Reduced |
| GAMMA Investing LLC | 726 | $236.7K | 0.01% | +110+17.9% | Added |
| Perfromance Wealth Partners, LLC | 735 | $239.7K | 0.01% | +735 | New |
| Flow Traders U.S. LLC | 740 | $241.0K | 0.01% | +740 | New |
| Ascent Group, LLC | 746 | $243.3K | 0.01% | −3−0.4% | Reduced |
| GTS Securities LLC | 747 | $243.6K | 0.01% | +747 | New |
| Strategic Financial Concepts, LLC | 750 | $244.6K | 0.03% | −2−0.3% | Reduced |
| Alta Advisers Ltd | 757 | $246.8K | 0.09% | 00.0% | Unchanged |
| Compass Capital Corp | 800 | $254.4K | 0.12% | 00.0% | Unchanged |
| Essex LLC | 788 | $257.0K | 0.05% | 00.0% | Unchanged |
| Ellevest, Inc. | 792 | $258.3K | 0.04% | +19+2.5% | Added |
| Meridian Financial, LLC | 800 | $260.9K | 0.17% | 00.0% | Unchanged |
| ICONIQ Capital, LLC | 806 | $262.8K | 0.00% | +806 | New |
| Buckingham Strategic Partners | 810 | $263.3K | 0.00% | −1,914−70.3% | Reduced |
| Parallel Advisors, LLC | 817 | $266.4K | 0.01% | −45−5.2% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 818 | $266.6K | 0.05% | −14,188−94.5% | Reduced |
| West Family Investments, Inc. | 822 | $268.0K | 0.07% | +822 | New |
| Chapin Davis, Inc. | 825 | $269.0K | 0.07% | 00.0% | Unchanged |
| Howard Capital Management Inc. | 830 | $270.7K | 0.00% | +830 | New |
| HB Wealth Management, LLC | 869 | $283.6K | 0.00% | +98+12.7% | Added |
| Poinciana Advisors Group, LLC | 870 | $283.7K | 0.26% | +19+2.2% | Added |
| Proficio Capital Partners LLC | 882 | $287.6K | 0.02% | +74+9.2% | Added |
| Humankind Investments LLC | 896 | $292.2K | 0.07% | +896 | New |
| Nebula Research & Development LLC | 900 | $293.5K | 0.02% | +900 | New |
| National Bank of Canada | 903 | $294.4K | 0.00% | +240+36.2% | Added |
| Hilltop Holdings Inc. | 916 | $298.7K | 0.02% | +916 | New |
| Sagespring Wealth Partners, LLC | 916 | $298.8K | 0.01% | +916 | New |
| HCR Wealth Advisors | 924 | $301.3K | 0.04% | 00.0% | Unchanged |
| Eqis Capital Management, Inc. | 934 | $304.6K | 0.02% | −94−9.1% | Reduced |
| Sym Financial Corp | 944 | $307.8K | 0.03% | −70−6.9% | Reduced |
| Jupiter Asset Management Ltd | 974 | $317.6K | 0.00% | −13,636−93.3% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,000 | $325.4K | 0.01% | 00.0% | Unchanged |
| Greenland Capital Management LP | 1,000 | $326.1K | 0.04% | 00.0% | Unchanged |
| Westmount Partners, LLC | 1,000 | $326.1K | 0.09% | 00.0% | Unchanged |
| Breakwater Capital Group | 1,027 | $334.9K | 0.05% | −2−0.2% | Reduced |
| Brighton Jones LLC | 1,032 | $336.5K | 0.01% | −177−14.6% | Reduced |