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 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 2023. 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
- 501
- +53 vs. Q3 2023
- Shares held
- 117.1M
- −655.2K (−0.6%) vs. Q3 2023
- Total value
- $22.4B
- +$1.57B (+7.5%) vs. Q3 2023
- New holders
- 97
- 166 more added
- Sold out
- 44
- 161 more reduced
6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Empowered Funds, LLC | 13,325 | $2.55M | 0.06% | +11,873+817.7% | Added |
| The PNC Financial Services Group, Inc. | 13,118 | $2.51M | 0.00% | −2,547−16.3% | Reduced |
| Aware Super Pty Ltd as trustee of Aware Super | 5,865 | $2.33M | 0.03% | +5,865 | New |
| Stifel Financial Corp | 11,658 | $2.23M | 0.00% | +3,589+44.5% | Added |
| Wealthfront Advisers LLC | 11,585 | $2.22M | 0.01% | −772−6.2% | Reduced |
| Teza Capital Management LLC | 11,422 | $2.19M | 0.37% | +11,422 | New |
| Amalgamated Bank | 11,359 | $2.17M | 0.02% | −1,387−10.9% | Reduced |
| Rockefeller Capital Management L.P. | 11,073 | $2.12M | 0.01% | −2,111−16.0% | Reduced |
| Elo Mutual Pension Insurance Co | 10,913 | $2.09M | 0.06% | +491+4.7% | Added |
| Gotham Asset Management, LLC | 10,809 | $2.07M | 0.04% | +7,727+250.7% | Added |
| Daiwa Securities Group Inc. | 10,805 | $2.07M | 0.01% | +400+3.8% | Added |
| Cullen/Frost Bankers, Inc. | 10,549 | $2.02M | 0.03% | 00.0% | Unchanged |
| Saturn V Capital Management LLC | 10,327 | $1.98M | 0.76% | +10,327 | New |
| Gulf International Bank (UK) Ltd | 10,328 | $1.98M | 0.06% | −968−8.6% | Reduced |
| Pinebridge Investments, L.P. | 10,181 | $1.95M | 0.02% | +2,805+38.0% | Added |
| Suvretta Capital Management, LLC | 9,860 | $1.89M | 0.09% | +9,860 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 9,523 | $1.82M | 0.02% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 9,500 | $1.82M | 0.81% | +9,500 | New |
| Maryland State Retirement & Pension System | 9,451 | $1.81M | 0.04% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 8,933 | $1.71M | 0.01% | +5,109+133.6% | Added |
| Nordea Investment Management AB | 8,690 | $1.67M | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 8,332 | $1.59M | 0.07% | +1,075+14.8% | Added |
| Nisa Investment Advisors, LLC | 8,155 | $1.56M | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 8,018 | $1.53M | 0.00% | −154−1.9% | Reduced |
| Ategra Capital Management, LLC | 7,990 | $1.53M | 0.68% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 7,961 | $1.52M | 0.11% | +5,536+228.3% | Added |
| Aviva PLC | 7,927 | $1.52M | 0.01% | −20,481−72.1% | Reduced |
| Sequoia Financial Advisors, LLC | 7,714 | $1.48M | 0.02% | +4,911+175.2% | Added |
| Intech Investment Management LLC | 7,541 | $1.44M | 0.02% | −3,689−32.8% | Reduced |
| Panagora Asset Management Inc | 7,457 | $1.43M | 0.01% | 00.0% | Unchanged |
| Jump Financial, LLC | 7,292 | $1.40M | 0.05% | +7,292 | New |
| US Bancorp | 7,251 | $1.39M | 0.00% | −17−0.2% | Reduced |
| Alberta Investment Management Corp | 7,175 | $1.37M | 0.01% | +4,275+147.4% | Added |
| Mariner, LLC | 7,111 | $1.36M | 0.00% | −7,070−49.9% | Reduced |
| Values First Advisors, Inc. | 6,983 | $1.34M | 0.81% | +476+7.3% | Added |
| Assetmark, Inc | 6,913 | $1.32M | 0.00% | +1,135+19.6% | Added |
| M&T Bank Corp | 6,795 | $1.30M | 0.00% | −179−2.6% | Reduced |
| Tower Research Capital LLC (TRC) | 6,672 | $1.28M | 0.02% | +1,582+31.1% | Added |
| MetLife Investment Management | 6,504 | $1.24M | 0.01% | −92−1.4% | Reduced |
| JustInvest LLC | 6,390 | $1.22M | 0.03% | +655+11.4% | Added |
| Ostrum Asset Management | 6,189 | $1.18M | 0.10% | +5,734+1,260.2% | Added |
| Bank of Nova Scotia | 6,025 | $1.15M | 0.00% | +3,077+104.4% | Added |
| Portman Square Capital LLP | 5,963 | $1.14M | 0.20% | −5,951−49.9% | Reduced |
| PDT Partners, LLC | 5,916 | $1.13M | 0.13% | −8,551−59.1% | Reduced |
| Burney Co | 5,734 | $1.10M | 0.05% | +5,734 | New |
| Beacon Investment Advisory Services, Inc. | 5,455 | $1.04M | 0.05% | −1,660−23.3% | Reduced |
| Bokf, NA | 5,417 | $1.04M | 0.02% | −1,305−19.4% | Reduced |
| Exchange Traded Concepts, LLC | 5,413 | $1.04M | 0.03% | +2,040+60.5% | Added |
| Capula Management Ltd | 5,270 | $1.01M | 0.06% | +5,270 | New |
| Seven Eight Capital, LP | 5,237 | $1.00M | 0.12% | +5,237 | New |
| Creative Planning | 5,072 | $970.9K | 0.00% | +951+23.1% | Added |
| Quattro Financial Advisors LLC | 191 | $957.0K | 0.34% | −4,809−96.2% | Reduced |
| Prudential PLC | 4,867 | $931.6K | 0.01% | −11−0.2% | Reduced |
| PEAK6 Investments LLC | 4,859 | $930.1K | 0.04% | −8,253−62.9% | Reduced |
| Corton Capital Inc. | 4,827 | $923.9K | 0.29% | +3,489+260.8% | Added |
| Alpha DNA Investment Management LLC | 4,720 | $903.5K | 0.54% | +4,720 | New |
| Commerce Bank | 4,683 | $896.4K | 0.01% | +77+1.7% | Added |
| Moore Capital Management, LP | 4,635 | $887.2K | 0.02% | −17,350−78.9% | Reduced |
| Captrust Financial Advisors | 4,614 | $883.1K | 0.00% | +427+10.2% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 4,572 | $875.1K | 0.00% | +4,572 | New |
| Gilbert & Cook, Inc. | 4,443 | $850.4K | 0.12% | +317+7.7% | Added |
| Mach-1 Financial Group, Inc. | 4,393 | $840.9K | 0.32% | +4,393 | New |
| Metis Global Partners, LLC | 4,382 | $838.8K | 0.03% | +94+2.2% | Added |
| Oppenheimer & Co Inc | 4,379 | $838.2K | 0.02% | −140−3.1% | Reduced |
| Brandywine Managers, LLC | 4,348 | $832.3K | 0.91% | −260−5.6% | Reduced |
| Commonwealth Equity Services, LLC | 4,229 | $809.0K | 0.00% | −143−3.3% | Reduced |
| Prudential Financial Inc | 4,166 | $797.4K | 0.00% | +254+6.5% | Added |
| Achmea Investment Management B.V. | 4,014 | $769.0K | 0.02% | −4,911−55.0% | Reduced |
| CIBC Asset Management Inc | 4,014 | $768.3K | 0.00% | −308−7.1% | Reduced |
| Ethic Inc. | 4,009 | $767.4K | 0.02% | +337+9.2% | Added |
| First Hawaiian Bank | 4,000 | $765.6K | 0.02% | −250−5.9% | Reduced |
| J.P. Marvel Investment Advisors, LLC | 4,000 | $765.6K | 0.15% | 00.0% | Unchanged |
| Howland Capital Management LLC | 4,000 | $765.6K | 0.04% | +4,000 | New |
| AE Wealth Management LLC | 4,254 | $764.1K | 0.00% | +4,254 | New |
| Atlantic Trust, LLC | 3,981 | $762.0K | 0.21% | 00.0% | Unchanged |
| MML Investors Services, LLC | 3,952 | $756.0K | 0.00% | +947+31.5% | Added |
| Pearl River Capital, LLC | 3,876 | $741.9K | 0.12% | +3,876 | New |
| Shell Asset Management Co | 3,801 | $728.0K | 0.03% | −1,031−21.3% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 3,769 | $721.0K | 0.02% | +2,076+122.6% | Added |
| Employees Retirement System of Texas | 3,761 | $720.0K | 0.01% | +3,761 | New |
| B. Metzler seel. Sohn & Co. AG | 3,728 | $713.6K | 0.01% | 00.0% | Unchanged |
| Orion Capital Management LLC | 3,675 | $703.4K | 0.41% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,595 | $688.0K | 0.00% | −625−14.8% | Reduced |
| Tokio Marine Asset Management Co Ltd | 3,575 | $684.3K | 0.04% | +195+5.8% | Added |
| Sanders Morris Harris LLC | 3,500 | $684.1K | 0.34% | 00.0% | Unchanged |
| Spectrum Planning & Advisory Services Inc. | 3,560 | $681.4K | 0.97% | 00.0% | Unchanged |
| CIBC World Markets Corp | 3,482 | $666.5K | 0.00% | +3,482 | New |
| Swiss Life Asset Management Ltd | 3,410 | $653.8K | 0.01% | −778−18.6% | Reduced |
| E Fund Management Co., Ltd. | 3,340 | $639.3K | 0.04% | +1,069+47.1% | Added |
| Nixon Peabody Trust Co | 3,300 | $631.7K | 0.07% | +1,800+120.0% | Added |
| Moody Aldrich Partners LLC | 3,285 | $628.8K | 0.11% | +1,002+43.9% | Added |
| Hall Laurie J Trustee | 3,250 | $622.0K | 0.24% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 3,098 | $593.0K | 0.01% | −192−5.8% | Reduced |
| Oxford Asset Management LLP | 3,064 | $586.5K | 0.89% | +3,064 | New |
| World Equity Group, Inc. | 3,013 | $576.7K | 0.12% | −380−11.2% | Reduced |
| Aquila Investment Management LLC | 3,000 | $574.2K | 0.50% | +1,000+50.0% | Added |
| NEOS Investment Management LLC | 2,989 | $572.1K | 0.05% | +2,989 | New |
| Regal Investment Advisors LLC | 2,965 | $567.5K | 0.04% | +162+5.8% | Added |
| Souders Financial Advisors | 2,947 | $564.1K | 0.10% | +255+9.5% | Added |
| Wolverine Trading, LLC | 2,946 | $563.9K | 0.00% | +2,946 | New |