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 |
|---|---|---|---|---|---|
| Greenleaf Trust | 2,938 | $562.4K | 0.01% | +405+16.0% | Added |
| Wolverine Trading, LLC | 2,946 | $563.9K | 0.00% | +2,946 | New |
| Souders Financial Advisors | 2,947 | $564.1K | 0.10% | +255+9.5% | Added |
| Regal Investment Advisors LLC | 2,965 | $567.5K | 0.04% | +162+5.8% | Added |
| NEOS Investment Management LLC | 2,989 | $572.1K | 0.05% | +2,989 | New |
| Aquila Investment Management LLC | 3,000 | $574.2K | 0.50% | +1,000+50.0% | Added |
| World Equity Group, Inc. | 3,013 | $576.7K | 0.12% | −380−11.2% | Reduced |
| Oxford Asset Management LLP | 3,064 | $586.5K | 0.89% | +3,064 | New |
| D.A. Davidson & Co. | 3,098 | $593.0K | 0.01% | −192−5.8% | Reduced |
| Hall Laurie J Trustee | 3,250 | $622.0K | 0.24% | 00.0% | Unchanged |
| Moody Aldrich Partners LLC | 3,285 | $628.8K | 0.11% | +1,002+43.9% | Added |
| Nixon Peabody Trust Co | 3,300 | $631.7K | 0.07% | +1,800+120.0% | Added |
| E Fund Management Co., Ltd. | 3,340 | $639.3K | 0.04% | +1,069+47.1% | Added |
| Swiss Life Asset Management Ltd | 3,410 | $653.8K | 0.01% | −778−18.6% | Reduced |
| CIBC World Markets Corp | 3,482 | $666.5K | 0.00% | +3,482 | New |
| Spectrum Planning & Advisory Services Inc. | 3,560 | $681.4K | 0.97% | 00.0% | Unchanged |
| Sanders Morris Harris LLC | 3,500 | $684.1K | 0.34% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 3,575 | $684.3K | 0.04% | +195+5.8% | Added |
| Advisor Group Holdings, Inc. | 3,595 | $688.0K | 0.00% | −625−14.8% | Reduced |
| Orion Capital Management LLC | 3,675 | $703.4K | 0.41% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 3,728 | $713.6K | 0.01% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 3,761 | $720.0K | 0.01% | +3,761 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 3,769 | $721.0K | 0.02% | +2,076+122.6% | Added |
| Shell Asset Management Co | 3,801 | $728.0K | 0.03% | −1,031−21.3% | Reduced |
| Pearl River Capital, LLC | 3,876 | $741.9K | 0.12% | +3,876 | New |
| MML Investors Services, LLC | 3,952 | $756.0K | 0.00% | +947+31.5% | Added |
| Atlantic Trust, LLC | 3,981 | $762.0K | 0.21% | 00.0% | Unchanged |
| AE Wealth Management LLC | 4,254 | $764.1K | 0.00% | +4,254 | New |
| 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 |
| Ethic Inc. | 4,009 | $767.4K | 0.02% | +337+9.2% | Added |
| CIBC Asset Management Inc | 4,014 | $768.3K | 0.00% | −308−7.1% | Reduced |
| Achmea Investment Management B.V. | 4,014 | $769.0K | 0.02% | −4,911−55.0% | Reduced |
| Prudential Financial Inc | 4,166 | $797.4K | 0.00% | +254+6.5% | Added |
| Commonwealth Equity Services, LLC | 4,229 | $809.0K | 0.00% | −143−3.3% | Reduced |
| Brandywine Managers, LLC | 4,348 | $832.3K | 0.91% | −260−5.6% | Reduced |
| Oppenheimer & Co Inc | 4,379 | $838.2K | 0.02% | −140−3.1% | Reduced |
| Metis Global Partners, LLC | 4,382 | $838.8K | 0.03% | +94+2.2% | Added |
| Mach-1 Financial Group, Inc. | 4,393 | $840.9K | 0.32% | +4,393 | New |
| Gilbert & Cook, Inc. | 4,443 | $850.4K | 0.12% | +317+7.7% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 4,572 | $875.1K | 0.00% | +4,572 | New |
| Captrust Financial Advisors | 4,614 | $883.1K | 0.00% | +427+10.2% | Added |
| Moore Capital Management, LP | 4,635 | $887.2K | 0.02% | −17,350−78.9% | Reduced |
| Commerce Bank | 4,683 | $896.4K | 0.01% | +77+1.7% | Added |
| Alpha DNA Investment Management LLC | 4,720 | $903.5K | 0.54% | +4,720 | New |
| Corton Capital Inc. | 4,827 | $923.9K | 0.29% | +3,489+260.8% | Added |
| PEAK6 Investments LLC | 4,859 | $930.1K | 0.04% | −8,253−62.9% | Reduced |
| Prudential PLC | 4,867 | $931.6K | 0.01% | −11−0.2% | Reduced |
| Quattro Financial Advisors LLC | 191 | $957.0K | 0.34% | −4,809−96.2% | Reduced |
| Creative Planning | 5,072 | $970.9K | 0.00% | +951+23.1% | Added |
| Seven Eight Capital, LP | 5,237 | $1.00M | 0.12% | +5,237 | New |
| Capula Management Ltd | 5,270 | $1.01M | 0.06% | +5,270 | New |
| Exchange Traded Concepts, LLC | 5,413 | $1.04M | 0.03% | +2,040+60.5% | Added |
| Bokf, NA | 5,417 | $1.04M | 0.02% | −1,305−19.4% | Reduced |
| Beacon Investment Advisory Services, Inc. | 5,455 | $1.04M | 0.05% | −1,660−23.3% | Reduced |
| Burney Co | 5,734 | $1.10M | 0.05% | +5,734 | New |
| PDT Partners, LLC | 5,916 | $1.13M | 0.13% | −8,551−59.1% | Reduced |
| Portman Square Capital LLP | 5,963 | $1.14M | 0.20% | −5,951−49.9% | Reduced |
| Bank of Nova Scotia | 6,025 | $1.15M | 0.00% | +3,077+104.4% | Added |
| Ostrum Asset Management | 6,189 | $1.18M | 0.10% | +5,734+1,260.2% | Added |
| JustInvest LLC | 6,390 | $1.22M | 0.03% | +655+11.4% | Added |
| MetLife Investment Management | 6,504 | $1.24M | 0.01% | −92−1.4% | Reduced |
| Tower Research Capital LLC (TRC) | 6,672 | $1.28M | 0.02% | +1,582+31.1% | Added |
| M&T Bank Corp | 6,795 | $1.30M | 0.00% | −179−2.6% | Reduced |
| Assetmark, Inc | 6,913 | $1.32M | 0.00% | +1,135+19.6% | Added |
| Values First Advisors, Inc. | 6,983 | $1.34M | 0.81% | +476+7.3% | Added |
| Mariner, LLC | 7,111 | $1.36M | 0.00% | −7,070−49.9% | Reduced |
| Alberta Investment Management Corp | 7,175 | $1.37M | 0.01% | +4,275+147.4% | Added |
| US Bancorp | 7,251 | $1.39M | 0.00% | −17−0.2% | Reduced |
| Jump Financial, LLC | 7,292 | $1.40M | 0.05% | +7,292 | New |
| Panagora Asset Management Inc | 7,457 | $1.43M | 0.01% | 00.0% | Unchanged |
| Intech Investment Management LLC | 7,541 | $1.44M | 0.02% | −3,689−32.8% | Reduced |
| Sequoia Financial Advisors, LLC | 7,714 | $1.48M | 0.02% | +4,911+175.2% | Added |
| Aviva PLC | 7,927 | $1.52M | 0.01% | −20,481−72.1% | Reduced |
| Edgestream Partners, L.P. | 7,961 | $1.52M | 0.11% | +5,536+228.3% | Added |
| Ategra Capital Management, LLC | 7,990 | $1.53M | 0.68% | 00.0% | Unchanged |
| ProShare Advisors LLC | 8,018 | $1.53M | 0.00% | −154−1.9% | Reduced |
| Nisa Investment Advisors, LLC | 8,155 | $1.56M | 0.01% | 00.0% | Unchanged |
| Profund Advisors LLC | 8,332 | $1.59M | 0.07% | +1,075+14.8% | Added |
| Nordea Investment Management AB | 8,690 | $1.67M | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 8,933 | $1.71M | 0.01% | +5,109+133.6% | Added |
| Maryland State Retirement & Pension System | 9,451 | $1.81M | 0.04% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 9,500 | $1.82M | 0.81% | +9,500 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 9,523 | $1.82M | 0.02% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 9,860 | $1.89M | 0.09% | +9,860 | New |
| Pinebridge Investments, L.P. | 10,181 | $1.95M | 0.02% | +2,805+38.0% | Added |
| Gulf International Bank (UK) Ltd | 10,328 | $1.98M | 0.06% | −968−8.6% | Reduced |
| Saturn V Capital Management LLC | 10,327 | $1.98M | 0.76% | +10,327 | New |
| Cullen/Frost Bankers, Inc. | 10,549 | $2.02M | 0.03% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 10,805 | $2.07M | 0.01% | +400+3.8% | Added |
| Gotham Asset Management, LLC | 10,809 | $2.07M | 0.04% | +7,727+250.7% | Added |
| Elo Mutual Pension Insurance Co | 10,913 | $2.09M | 0.06% | +491+4.7% | Added |
| Rockefeller Capital Management L.P. | 11,073 | $2.12M | 0.01% | −2,111−16.0% | Reduced |
| Amalgamated Bank | 11,359 | $2.17M | 0.02% | −1,387−10.9% | Reduced |
| Teza Capital Management LLC | 11,422 | $2.19M | 0.37% | +11,422 | New |
| Wealthfront Advisers LLC | 11,585 | $2.22M | 0.01% | −772−6.2% | Reduced |
| Stifel Financial Corp | 11,658 | $2.23M | 0.00% | +3,589+44.5% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 5,865 | $2.33M | 0.03% | +5,865 | New |
| The PNC Financial Services Group, Inc. | 13,118 | $2.51M | 0.00% | −2,547−16.3% | Reduced |