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 |
|---|---|---|---|---|---|
| SummitTX Capital, L.P. | 4,800 | $1.57M | 0.07% | −1,526−24.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 4,775 | $1.56M | 0.01% | −1,759−26.9% | Reduced |
| US Bancorp | 4,700 | $1.53M | 0.00% | +110+2.4% | Added |
| Metis Global Partners, LLC | 4,637 | $1.51M | 0.04% | −929−16.7% | Reduced |
| Inceptionr LLC | 4,576 | $1.49M | 0.35% | +3,238+242.0% | Added |
| Advisors Asset Management, Inc. | 4,545 | $1.48M | 0.03% | −1,306−22.3% | Reduced |
| Commerce Bank | 4,536 | $1.48M | 0.01% | −21−0.5% | Reduced |
| Omers Administration Corp | 4,517 | $1.47M | 0.01% | 00.0% | Unchanged |
| Intech Investment Management LLC | 4,408 | $1.44M | 0.01% | −1,490−25.3% | Reduced |
| RSM US Wealth Management LLC | 4,403 | $1.44M | 0.02% | +221+5.3% | Added |
| Brinker Capital Investments, LLC | 4,309 | $1.41M | 0.01% | +452+11.7% | Added |
| Atlantic Trust, LLC | 4,280 | $1.40M | 0.26% | +288+7.2% | Added |
| Atria Investments LLC | 4,276 | $1.39M | 0.02% | +72+1.7% | Added |
| ProShare Advisors LLC | 4,241 | $1.38M | 0.00% | −1,599−27.4% | Reduced |
| Brandywine Managers, LLC | 4,218 | $1.38M | 1.37% | −130−3.0% | Reduced |
| AustralianSuper Pty Ltd | 4,218 | $1.38M | 0.01% | 00.0% | Unchanged |
| Ci Investments Inc. | 4,115 | $1.34M | 0.01% | +1,894+85.3% | Added |
| Prudential PLC | 4,112 | $1.34M | 0.01% | +2,065+100.9% | Added |
| Plato Investment Management Ltd | 4,113 | $1.34M | 0.10% | −546−11.7% | Reduced |
| Sanctuary Advisors, LLC | 4,072 | $1.33M | 0.01% | +782+23.8% | Added |
| Truist Financial Corp | 4,007 | $1.31M | 0.00% | +383+10.6% | Added |
| Howland Capital Management LLC | 4,000 | $1.30M | 0.05% | 00.0% | Unchanged |
| Gilbert & Cook, Inc. | 3,994 | $1.30M | 0.18% | +90+2.3% | Added |
| Values First Advisors, Inc. | 3,947 | $1.29M | 0.70% | −4,166−51.3% | Reduced |
| Vident Advisory, LLC | 3,925 | $1.28M | 0.01% | +1,258+47.2% | Added |
| Sequoia Financial Advisors, LLC | 3,917 | $1.28M | 0.01% | +522+15.4% | Added |
| Advisor Group Holdings, Inc. | 3,787 | $1.20M | 0.00% | +2,158+132.5% | Added |
| E Fund Management Co., Ltd. | 3,594 | $1.17M | 0.06% | −9,114−71.7% | Reduced |
| Winton Group Ltd | 3,533 | $1.15M | 0.06% | +3,533 | New |
| Captrust Financial Advisors | 3,506 | $1.14M | 0.00% | −2,875−45.1% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 3,503 | $1.14M | 0.08% | −243−6.5% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 3,455 | $1.13M | 0.03% | +2,500+261.8% | Added |
| Integrated Wealth Concepts LLC | 3,445 | $1.12M | 0.01% | +706+25.8% | Added |
| Spectrum Planning & Advisory Services Inc. | 3,359 | $1.10M | 0.71% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 3,323 | $1.08M | 0.72% | −1,882−36.2% | Reduced |
| GF Fund Management Co. Ltd. | 3,302 | $1.08M | 0.02% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 3,250 | $1.06M | 0.35% | 00.0% | Unchanged |
| Orion Capital Management LLC | 3,240 | $1.06M | 0.40% | −100−3.0% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 3,233 | $1.05M | 0.01% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 3,150 | $1.03M | 0.03% | +1,240+64.9% | Added |
| Colony Group, LLC | 3,150 | $1.03M | 0.00% | −1,068−25.3% | Reduced |
| Grandfield & Dodd, LLC | 3,052 | $995.2K | 0.06% | +20+0.7% | Added |
| Central Pacific Bank - Trust Division | 3,018 | $984.1K | 0.13% | +365+13.8% | Added |
| Mirabella Financial Services LLP | 2,970 | $972.8K | 0.10% | −8,767−74.7% | Reduced |
| Everence Capital Management Inc | 2,970 | $968.0K | 0.06% | 00.0% | Unchanged |
| Callan Family Office, LLC | 2,931 | $955.8K | 0.03% | +1,913+187.9% | Added |
| Vontobel Holding Ltd. | 2,917 | $951.2K | 0.00% | +1,226+72.5% | Added |
| Regal Investment Advisors LLC | 2,906 | $947.7K | 0.07% | 00.0% | Unchanged |
| Generali Investments CEE, investicni spolecnost, a.s. | 2,900 | $945.7K | 0.08% | 00.0% | Unchanged |
| Empowered Funds, LLC | 2,853 | $930.3K | 0.01% | −3,048−51.7% | Reduced |
| Vestcor Inc | 2,836 | $925.0K | 0.03% | +375+15.2% | Added |
| Summit Trail Advisors, LLC | 2,809 | $916.0K | 0.02% | +1,006+55.8% | Added |
| Steel Peak Wealth Management LLC | 2,808 | $915.5K | 0.04% | +81+3.0% | Added |
| Exchange Traded Concepts, LLC | 2,806 | $915.0K | 0.01% | −909−24.5% | Reduced |
| Horizon Kinetics Asset Management LLC | 2,759 | $899.7K | 0.01% | −121−4.2% | Reduced |
| Keybank National Association | 2,757 | $899.0K | 0.00% | −37−1.3% | Reduced |
| Shepherd Financial Partners LLC | 2,736 | $892.2K | 0.09% | 00.0% | Unchanged |
| Greenleaf Trust | 2,730 | $890.2K | 0.01% | −20−0.7% | Reduced |
| Bank of Nova Scotia | 2,679 | $873.8K | 0.00% | −1,827−40.5% | Reduced |
| Azzad Asset Management Inc | 2,651 | $864.5K | 0.09% | +2,651 | New |
| Pallas Capital Advisors LLC | 2,570 | $838.1K | 0.03% | −4,065−61.3% | Reduced |
| Mercer Global Advisors Inc | 2,563 | $835.7K | 0.00% | −647−20.2% | Reduced |
| Oxford Asset Management LLP | 2,468 | $804.8K | 0.26% | +2,468 | New |
| Squarepoint Ops LLC | 2,446 | $797.6K | 0.00% | −3,822−61.0% | Reduced |
| Kovitz Investment Group Partners, LLC | 2,350 | $766.4K | 0.00% | +10.0% | Added |
| Nixon Peabody Trust Co | 2,337 | $762.1K | 0.06% | +60+2.6% | Added |
| Convergence Investment Partners, LLC | 2,259 | $736.6K | 0.19% | +2,259 | New |
| UniSuper Management Pty Ltd | 2,200 | $717.4K | 0.00% | −300−12.0% | Reduced |
| Everhart Financial Group, Inc. | 2,193 | $715.1K | 0.08% | +406+22.7% | Added |
| Sava Infond d.o.o. | 2,180 | $710.9K | 0.11% | +100+4.8% | Added |
| Bannerman Wealth Management Group, LLC | 2,164 | $705.7K | 0.54% | −565−20.7% | Reduced |
| Ethic Inc. | 2,176 | $702.6K | 0.01% | +133+6.5% | Added |
| QRG Capital Management, Inc. | 2,136 | $696.5K | 0.01% | +187+9.6% | Added |
| Sumitomo Life Insurance Co | 2,118 | $690.7K | 0.05% | +2,118 | New |
| New York Life Investment Management LLC | 2,103 | $685.8K | 0.01% | −111−5.0% | Reduced |
| Park Avenue Securities LLC | 2,085 | $680.0K | 0.01% | +2,085 | New |
| Archford Capital Strategies, LLC | 2,017 | $657.7K | 0.08% | −2−0.1% | Reduced |
| Security National Bank of So Dak | 2,000 | $652.2K | 0.36% | 00.0% | Unchanged |
| Lecap Asset Management Ltd | 1,985 | $647.3K | 0.23% | +276+16.1% | Added |
| Emerald Advisers, LLC | 1,941 | $632.9K | 0.02% | +445+29.7% | Added |
| Signaturefd, LLC | 1,906 | $621.6K | 0.01% | +151+8.6% | Added |
| GraniteShares Advisors LLC | 1,899 | $619.2K | 0.38% | −211−10.0% | Reduced |
| Merit Financial Group, LLC | 1,890 | $616.2K | 0.01% | −3,424−64.4% | Reduced |
| Quadrature Capital Ltd | 1,887 | $614.7K | 0.01% | −16,624−89.8% | Reduced |
| Siemens Fonds Invest GmbH | 1,843 | $601.0K | 0.04% | +372+25.3% | Added |
| Vestmark Advisory Solutions, Inc. | 1,740 | $567.4K | 0.01% | +1,740 | New |
| Wedmont Private Capital | 1,761 | $565.1K | 0.02% | +169+10.6% | Added |
| Oppenheimer & Co Inc | 1,716 | $559.6K | 0.01% | 00.0% | Unchanged |
| Principal Securities, Inc. | 1,714 | $558.9K | 0.01% | +527+44.4% | Added |
| Fort Sheridan Advisors LLC | 1,701 | $554.7K | 0.08% | 00.0% | Unchanged |
| V-Square Quantitative Management LLC | 1,692 | $551.7K | 0.07% | +1,321+356.1% | Added |
| Bryn Mawr Trust Co | 1,686 | $549.8K | 0.01% | +588+53.6% | Added |
| Kennedy Capital Management, Inc. | 1,668 | $543.9K | 0.01% | +127+8.2% | Added |
| Ballentine Partners, LLC | 1,617 | $527.3K | 0.01% | −8−0.5% | Reduced |
| S-Bank Fund Management Ltd | 1,614 | $526.3K | 0.08% | −146−8.3% | Reduced |
| Coldstream Capital Management Inc | 1,602 | $522.3K | 0.01% | +523+48.5% | Added |
| United Capital Financial Advisers, LLC | 1,575 | $513.6K | 0.00% | +43+2.8% | Added |
| Yousif Capital Management, LLC | 1,567 | $511.0K | 0.01% | −106−6.3% | Reduced |
| Forum Financial Management, LP | 1,556 | $507.4K | 0.01% | +129+9.0% | Added |
| EntryPoint Capital, LLC | 1,550 | $505.4K | 0.25% | −814−34.4% | Reduced |