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 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 2021. 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
- 435
- +36 vs. Q3 2021
- Shares held
- 112.1M
- +547.7K (+0.5%) vs. Q3 2021
- Total value
- $19.0B
- −$2.05B (−9.7%) vs. Q3 2021
- New holders
- 77
- 156 more added
- Sold out
- 41
- 132 more reduced
8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wetherby Asset Management Inc | 1,310 | $222.0K | 0.01% | +48+3.8% | Added |
| Wealthfront Advisers LLC | 1,319 | $224.0K | 0.00% | +1,319 | New |
| Symmetry Partners, LLC | 1,331 | $226.0K | 0.01% | 00.0% | Unchanged |
| Beacon Pointe Advisors, LLC | 1,345 | $228.0K | 0.01% | −205−13.2% | Reduced |
| Peregrine Capital Management LLC | 1,380 | $234.0K | 0.00% | 00.0% | Unchanged |
| Meiji Yasuda Asset Management Co Ltd. | 1,400 | $237.0K | 0.01% | +160+12.9% | Added |
| Vestcor Inc | 1,467 | $249.0K | 0.01% | −271−15.6% | Reduced |
| Bank of Nova Scotia | 1,464 | $249.0K | 0.00% | +1,464 | New |
| Security National Bank of So Dak | 1,500 | $254.0K | 0.17% | 00.0% | Unchanged |
| Nixon Peabody Trust Co | 1,500 | $254.0K | 0.08% | 00.0% | Unchanged |
| Tokio Marine Asset Management Co Ltd | 1,540 | $261.0K | 0.02% | −7−0.5% | Reduced |
| Abbrea Capital, LLC | 1,575 | $267.0K | 0.04% | 00.0% | Unchanged |
| Fukoku Mutual Life Insurance Co | 1,580 | $268.0K | 0.02% | +50+3.3% | Added |
| National Asset Management, Inc. | 1,575 | $268.0K | 0.01% | +1,575 | New |
| ProVise Management Group, LLC | 1,628 | $276.0K | 0.03% | +30+1.9% | Added |
| Essex Savings Bank | 1,652 | $280.0K | 0.09% | 00.0% | Unchanged |
| NinePointTwo Capital | 1,672 | $283.0K | 0.09% | +1,672 | New |
| Yousif Capital Management, LLC | 1,681 | $285.0K | 0.00% | +1,681 | New |
| Creative Planning | 1,716 | $291.0K | 0.00% | +248+16.9% | Added |
| Geneos Wealth Management Inc. | 1,723 | $292.0K | 0.01% | +37+2.2% | Added |
| Boston Private Wealth LLC | 1,753 | $297.0K | 0.00% | −62−3.4% | Reduced |
| MUFG Americas Holdings Corp | 1,755 | $298.0K | 0.01% | +89+5.3% | Added |
| Cohen Lawrence B | 1,800 | $305.0K | 0.12% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 1,805 | $306.0K | 0.00% | −605−25.1% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 1,900 | $322.0K | 0.02% | 00.0% | Unchanged |
| IBM Retirement Fund | 1,977 | $335.0K | 0.04% | −1,356−40.7% | Reduced |
| Engineers Gate Manager LP | 1,990 | $337.0K | 0.02% | +856+75.5% | Added |
| IndexIQ Advisors LLC | 1,986 | $337.0K | 0.01% | +1,986 | New |
| Segall Bryant & Hamill, LLC | 2,000 | $339.0K | 0.00% | 00.0% | Unchanged |
| Pensionfund DSM Netherlands | 2,000 | $339.0K | 0.04% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 2,003 | $340.0K | 0.13% | −742−27.0% | Reduced |
| Foundations Investment Advisors, LLC | 2,311 | $341.0K | 0.01% | +237+11.4% | Added |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 2,025 | $343.0K | 0.00% | 00.0% | Unchanged |
| North Star Asset Management Inc | 2,020 | $343.0K | 0.02% | 00.0% | Unchanged |
| AQR Capital Management LLC | 2,124 | $360.0K | 0.00% | +2,124 | New |
| Two Sigma Securities, LLC | 2,125 | $360.0K | 0.07% | +2,125 | New |
| Monograph Wealth Advisors, LLC | 2,134 | $362.0K | 0.09% | +2,134 | New |
| Toroso Investments, LLC | 2,181 | $370.0K | 0.01% | −193−8.1% | Reduced |
| Veriti Management LLC | 2,187 | $371.0K | 0.05% | +87+4.1% | Added |
| American International Group, Inc. | 2,251 | $382.0K | 0.00% | −78−3.3% | Reduced |
| Argent Trust Co | 2,257 | $383.0K | 0.02% | +31+1.4% | Added |
| Corient Capital Partners, LLC | 2,312 | $392.0K | 0.03% | +38+1.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 2,319 | $397.0K | 0.01% | +2,319 | New |
| New York Life Investments Alternatives | 2,398 | $407.0K | 0.27% | +2,398 | New |
| Privium Fund Management B.V. | 2,400 | $410.0K | 0.08% | +2,400 | New |
| VELA Investment Management, LLC | 2,431 | $412.0K | 0.28% | +2,431 | New |
| Redpoint Investment Management Pty Ltd | 2,490 | $422.0K | 0.03% | 00.0% | Unchanged |
| Azzad Asset Management Inc | 2,687 | $455.6K | 0.06% | +2,687 | New |
| AlphaCrest Capital Management LLC | 2,789 | $473.0K | 0.02% | −2,119−43.2% | Reduced |
| Banque Cantonale Vaudoise | 2,800 | $475.0K | 0.02% | −300−9.7% | Reduced |
| Brinker Capital Investments, LLC | 2,822 | $479.0K | 0.01% | +349+14.1% | Added |
| TD Waterhouse Canada Inc. | 2,876 | $481.8K | 0.00% | +2,876 | New |
| Oppenheimer & Co Inc | 2,843 | $482.0K | 0.01% | +504+21.5% | Added |
| Agf Investments Inc. | 2,882 | $489.0K | 0.00% | −529−15.5% | Reduced |
| JustInvest LLC | 2,889 | $490.0K | 0.03% | +438+17.9% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 2,939 | $498.0K | 0.01% | −418−12.5% | Reduced |
| Cetera Advisor Networks LLC | 2,986 | $506.0K | 0.01% | +225+8.1% | Added |
| Emerald Advisers, LLC | 2,990 | $507.0K | 0.02% | −42−1.4% | Reduced |
| Horizon Kinetics Asset Management LLC | 3,000 | $509.0K | 0.01% | 00.0% | Unchanged |
| Lloyd Park, LLC | 3,000 | $509.0K | 0.40% | +3,000 | New |
| Spearhead Capital Advisors, LLC | 3,082 | $523.0K | 0.06% | +165+5.7% | Added |
| Advisory Research Inc | 3,089 | $524.0K | 0.04% | −213−6.5% | Reduced |
| Clearstead Advisors, LLC | 3,110 | $527.0K | 0.04% | +110+3.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 3,134 | $531.0K | 0.13% | +3,134 | New |
| Greenleaf Trust | 3,187 | $540.0K | 0.01% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 3,250 | $551.0K | 0.20% | −550−14.5% | Reduced |
| Neuberger Berman Group LLC | 3,701 | $553.0K | 0.00% | +3,701 | New |
| Cambridge Investment Research Advisors, Inc. | 3,276 | $556.0K | 0.00% | −56−1.7% | Reduced |
| Walleye Trading LLC | 3,305 | $560.0K | 0.01% | +1,705+106.6% | Added |
| Panagora Asset Management Inc | 3,342 | $567.0K | 0.00% | −2,667−44.4% | Reduced |
| Kornitzer Capital Management Inc | 3,360 | $570.0K | 0.01% | 00.0% | Unchanged |
| Astrantus Ltd | 3,420 | $580.0K | 0.43% | +3,420 | New |
| Citizens Business Bank | 3,500 | $594.0K | 0.07% | 00.0% | Unchanged |
| Sanders Morris Harris LLC | 3,500 | $596.0K | 0.10% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 3,527 | $598.0K | 0.00% | −41,372−92.1% | Reduced |
| M&T Bank Corp | 3,587 | $608.0K | 0.00% | +15+0.4% | Added |
| Spectrum Planning & Advisory Services Inc. | 3,635 | $616.0K | 0.56% | 00.0% | Unchanged |
| Advisors Asset Management, Inc. | 3,644 | $618.0K | 0.01% | −49−1.3% | Reduced |
| Wolverine Trading, LLC | 3,626 | $620.0K | 0.01% | +1,482+69.1% | Added |
| Davenport & Co LLC | 3,705 | $628.0K | 0.00% | +288+8.4% | Added |
| Walleye Capital LLC | 3,772 | $640.0K | 0.02% | +104+2.8% | Added |
| Impax Asset Management Group plc | 3,791 | $642.0K | 0.00% | −12,521−76.8% | Reduced |
| Two Sigma Advisers, LP | 3,800 | $644.0K | 0.00% | +3,800 | New |
| Private Advisor Group, LLC | 3,825 | $649.0K | 0.00% | −1,149−23.1% | Reduced |
| Cresset Asset Management, LLC | 3,852 | $654.0K | 0.01% | +1,402+57.2% | Added |
| Echo Street Capital Management LLC | 3,931 | $667.0K | 0.00% | +2,111+116.0% | Added |
| J.P. Marvel Investment Advisors, LLC | 4,008 | $680.0K | 0.13% | +4,008 | New |
| Livingston Group Asset Management CO (operating as Southport Capital Management) | 4,175 | $708.0K | 0.12% | +4,175 | New |
| D.A. Davidson & Co. | 4,229 | $717.0K | 0.01% | +187+4.6% | Added |
| Commerce Bank | 4,258 | $722.0K | 0.00% | +21+0.5% | Added |
| Gateway Investment Advisers LLC | 4,568 | $775.0K | 0.01% | −6−0.1% | Reduced |
| Brandywine Managers, LLC | 4,608 | $781.0K | 0.88% | 00.0% | Unchanged |
| National Bank of Canada | 4,807 | $796.0K | 0.00% | +4,807 | New |
| PEAK6 Investments LLC | 4,704 | $798.0K | 0.02% | +4,704 | New |
| Pearl River Capital, LLC | 4,901 | $831.0K | 0.22% | +4,901 | New |
| Brewin Dolphin Ltd | 5,000 | $848.0K | 0.04% | +855+20.6% | Added |
| Maven Securities LTD | 5,086 | $862.0K | 0.11% | +5,086 | New |
| Commonwealth Equity Services, LLC | 5,211 | $883.0K | 0.00% | +942+22.1% | Added |
| Prudential Financial Inc | 4,992 | $905.0K | 0.00% | +1,040+26.3% | Added |
| CIBC Asset Management Inc | 5,359 | $909.0K | 0.00% | +581+12.2% | Added |