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 |
|---|---|---|---|---|---|
| Comerica Bank | 11,675 | $1.53M | 0.01% | −20.0% | Reduced |
| Exchange Traded Concepts, LLC | 8,914 | $1.51M | 0.03% | −177−1.9% | Reduced |
| SG Americas Securities, LLC | 8,846 | $1.50M | 0.01% | −2,041−18.7% | Reduced |
| Westpac Banking Corp | 8,524 | $1.45M | 0.01% | −2,445−22.3% | Reduced |
| Daiwa Securities Group Inc. | 8,419 | $1.43M | 0.01% | −76−0.9% | Reduced |
| Virtu Financial LLC | 8,307 | $1.41M | 0.14% | +8,307 | New |
| APG Asset Management N.V. | 8,997 | $1.34M | 0.00% | −3,482−27.9% | Reduced |
| Metropolitan Life Insurance Co | 7,891 | $1.34M | 0.02% | −61−0.8% | Reduced |
| Sectoral Asset Management Inc | 7,596 | $1.29M | 0.19% | −68,250−90.0% | Reduced |
| Truist Financial Corp | 7,595 | $1.29M | 0.00% | +992+15.0% | Added |
| Seeyond | 7,444 | $1.26M | 0.12% | 00.0% | Unchanged |
| Verition Fund Management LLC | 7,386 | $1.25M | 0.02% | +6,318+591.6% | Added |
| Nordea Investment Management AB | 7,146 | $1.25M | 0.00% | +1,994+38.7% | Added |
| Vontobel Holding Ltd. | 7,236 | $1.24M | 0.01% | +3,991+123.0% | Added |
| KBC Group NV | 7,239 | $1.23M | 0.00% | −7,610−51.2% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 7,146 | $1.21M | 0.03% | +1,197+20.1% | Added |
| Nisa Investment Advisors, LLC | 8,767 | $1.21M | 0.01% | −21,760−71.3% | Reduced |
| HighVista Strategies LLC | 7,093 | $1.20M | 0.96% | +935+15.2% | Added |
| Vident Investment Advisory, LLC | 7,025 | $1.19M | 0.03% | −4,255−37.7% | Reduced |
| Cinctive Capital Management LP | 6,990 | $1.19M | 0.06% | +6,990 | New |
| Tower Research Capital LLC (TRC) | 6,731 | $1.14M | 0.02% | +5,835+651.2% | Added |
| Orion Capital Management LLC | 6,665 | $1.13M | 0.64% | −10−0.1% | Reduced |
| E. Ohman J:or Asset Management AB | 6,400 | $1.09M | 0.03% | +6,400 | New |
| Alpine Global Management, LLC | 6,334 | $1.07M | 0.16% | +6,334 | New |
| Susquehanna Fundamental Investments, LLC | 6,288 | $1.07M | 0.03% | 00.0% | Unchanged |
| Connectus Wealth, LLC | 6,200 | $1.05M | 0.04% | +6,200 | New |
| Values First Advisors, Inc. | 6,149 | $1.04M | 0.62% | −368−5.6% | Reduced |
| Advisor Group Holdings, Inc. | 5,848 | $994.0K | 0.00% | +418+7.7% | Added |
| Cushing Asset Management, LP | 5,821 | $987.0K | 0.10% | −383−6.2% | Reduced |
| Shell Asset Management Co | 5,808 | $985.0K | 0.02% | +2,053+54.7% | Added |
| ExodusPoint Capital Management, LP | 5,745 | $974.0K | 0.01% | +5,745 | New |
| Schroder Investment Management Group | 5,711 | $968.0K | 0.00% | +758+15.3% | Added |
| Blueshift Asset Management, LLC | 5,702 | $967.0K | 0.09% | +2,276+66.4% | Added |
| First Hawaiian Bank | 5,700 | $967.0K | 0.03% | +5,700 | New |
| Aevitas Wealth Management, Inc. | 5,457 | $925.0K | 0.55% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 5,359 | $909.0K | 0.00% | +581+12.2% | Added |
| Prudential Financial Inc | 4,992 | $905.0K | 0.00% | +1,040+26.3% | Added |
| Commonwealth Equity Services, LLC | 5,211 | $883.0K | 0.00% | +942+22.1% | Added |
| Maven Securities LTD | 5,086 | $862.0K | 0.11% | +5,086 | New |
| Brewin Dolphin Ltd | 5,000 | $848.0K | 0.04% | +855+20.6% | Added |
| Pearl River Capital, LLC | 4,901 | $831.0K | 0.22% | +4,901 | New |
| PEAK6 Investments LLC | 4,704 | $798.0K | 0.02% | +4,704 | New |
| National Bank of Canada | 4,807 | $796.0K | 0.00% | +4,807 | New |
| Brandywine Managers, LLC | 4,608 | $781.0K | 0.88% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 4,568 | $775.0K | 0.01% | −6−0.1% | Reduced |
| Commerce Bank | 4,258 | $722.0K | 0.00% | +21+0.5% | Added |
| D.A. Davidson & Co. | 4,229 | $717.0K | 0.01% | +187+4.6% | Added |
| Livingston Group Asset Management CO (operating as Southport Capital Management) | 4,175 | $708.0K | 0.12% | +4,175 | New |
| J.P. Marvel Investment Advisors, LLC | 4,008 | $680.0K | 0.13% | +4,008 | New |
| Echo Street Capital Management LLC | 3,931 | $667.0K | 0.00% | +2,111+116.0% | Added |
| Cresset Asset Management, LLC | 3,852 | $654.0K | 0.01% | +1,402+57.2% | Added |
| Private Advisor Group, LLC | 3,825 | $649.0K | 0.00% | −1,149−23.1% | Reduced |
| Two Sigma Advisers, LP | 3,800 | $644.0K | 0.00% | +3,800 | New |
| Impax Asset Management Group plc | 3,791 | $642.0K | 0.00% | −12,521−76.8% | Reduced |
| Walleye Capital LLC | 3,772 | $640.0K | 0.02% | +104+2.8% | Added |
| Davenport & Co LLC | 3,705 | $628.0K | 0.00% | +288+8.4% | Added |
| Wolverine Trading, LLC | 3,626 | $620.0K | 0.01% | +1,482+69.1% | Added |
| Advisors Asset Management, Inc. | 3,644 | $618.0K | 0.01% | −49−1.3% | Reduced |
| Spectrum Planning & Advisory Services Inc. | 3,635 | $616.0K | 0.56% | 00.0% | Unchanged |
| M&T Bank Corp | 3,587 | $608.0K | 0.00% | +15+0.4% | Added |
| Qube Research & Technologies Ltd | 3,527 | $598.0K | 0.00% | −41,372−92.1% | Reduced |
| Sanders Morris Harris LLC | 3,500 | $596.0K | 0.10% | 00.0% | Unchanged |
| Citizens Business Bank | 3,500 | $594.0K | 0.07% | 00.0% | Unchanged |
| Astrantus Ltd | 3,420 | $580.0K | 0.43% | +3,420 | New |
| Kornitzer Capital Management Inc | 3,360 | $570.0K | 0.01% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 3,342 | $567.0K | 0.00% | −2,667−44.4% | Reduced |
| Walleye Trading LLC | 3,305 | $560.0K | 0.01% | +1,705+106.6% | Added |
| Cambridge Investment Research Advisors, Inc. | 3,276 | $556.0K | 0.00% | −56−1.7% | Reduced |
| Neuberger Berman Group LLC | 3,701 | $553.0K | 0.00% | +3,701 | New |
| Hall Laurie J Trustee | 3,250 | $551.0K | 0.20% | −550−14.5% | Reduced |
| Greenleaf Trust | 3,187 | $540.0K | 0.01% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 3,134 | $531.0K | 0.13% | +3,134 | New |
| Clearstead Advisors, LLC | 3,110 | $527.0K | 0.04% | +110+3.7% | Added |
| Advisory Research Inc | 3,089 | $524.0K | 0.04% | −213−6.5% | Reduced |
| Spearhead Capital Advisors, LLC | 3,082 | $523.0K | 0.06% | +165+5.7% | Added |
| 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 |
| Emerald Advisers, LLC | 2,990 | $507.0K | 0.02% | −42−1.4% | Reduced |
| Cetera Advisor Networks LLC | 2,986 | $506.0K | 0.01% | +225+8.1% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 2,939 | $498.0K | 0.01% | −418−12.5% | Reduced |
| JustInvest LLC | 2,889 | $490.0K | 0.03% | +438+17.9% | Added |
| Agf Investments Inc. | 2,882 | $489.0K | 0.00% | −529−15.5% | Reduced |
| Oppenheimer & Co Inc | 2,843 | $482.0K | 0.01% | +504+21.5% | Added |
| TD Waterhouse Canada Inc. | 2,876 | $481.8K | 0.00% | +2,876 | New |
| Brinker Capital Investments, LLC | 2,822 | $479.0K | 0.01% | +349+14.1% | Added |
| Banque Cantonale Vaudoise | 2,800 | $475.0K | 0.02% | −300−9.7% | Reduced |
| AlphaCrest Capital Management LLC | 2,789 | $473.0K | 0.02% | −2,119−43.2% | Reduced |
| Azzad Asset Management Inc | 2,687 | $455.6K | 0.06% | +2,687 | New |
| Redpoint Investment Management Pty Ltd | 2,490 | $422.0K | 0.03% | 00.0% | Unchanged |
| VELA Investment Management, LLC | 2,431 | $412.0K | 0.28% | +2,431 | New |
| Privium Fund Management B.V. | 2,400 | $410.0K | 0.08% | +2,400 | New |
| New York Life Investments Alternatives | 2,398 | $407.0K | 0.27% | +2,398 | New |
| B. Metzler seel. Sohn & Co. AG | 2,319 | $397.0K | 0.01% | +2,319 | New |
| Corient Capital Partners, LLC | 2,312 | $392.0K | 0.03% | +38+1.7% | Added |
| Argent Trust Co | 2,257 | $383.0K | 0.02% | +31+1.4% | Added |
| American International Group, Inc. | 2,251 | $382.0K | 0.00% | −78−3.3% | Reduced |
| Veriti Management LLC | 2,187 | $371.0K | 0.05% | +87+4.1% | Added |
| Toroso Investments, LLC | 2,181 | $370.0K | 0.01% | −193−8.1% | Reduced |
| Monograph Wealth Advisors, LLC | 2,134 | $362.0K | 0.09% | +2,134 | New |
| AQR Capital Management LLC | 2,124 | $360.0K | 0.00% | +2,124 | New |