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, Q1 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 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
- 478
- 0 vs. Q4 2022
- Shares held
- 119.6M
- +131.7K (+0.1%) vs. Q4 2022
- Total value
- $24.0B
- −$4.42B (−15.6%) vs. Q4 2022
- New holders
- 53
- 174 more added
- Sold out
- 53
- 170 more reduced
11 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Western Financial Corp | 2,976 | $596.2K | 0.42% | +196+7.1% | Added |
| Horizon Kinetics Asset Management LLC | 3,000 | $601.0K | 0.01% | 00.0% | Unchanged |
| Caption Management, LLC | 3,000 | $601.0K | 0.13% | +108+3.7% | Added |
| Impax Asset Management Group plc | 3,020 | $605.0K | 0.00% | +312+11.5% | Added |
| National Bank of Canada | 3,123 | $626.6K | 0.00% | −1,109−26.2% | Reduced |
| Emerald Advisers, LLC | 3,132 | $627.4K | 0.03% | +575+22.5% | Added |
| China Universal Asset Management Co., Ltd. | 3,204 | $641.8K | 0.22% | −10,400−76.4% | Reduced |
| D.A. Davidson & Co. | 3,213 | $643.6K | 0.01% | −36−1.1% | Reduced |
| Hall Laurie J Trustee | 3,250 | $651.0K | 0.28% | 00.0% | Unchanged |
| Bank of Nova Scotia | 3,251 | $651.2K | 0.00% | −1,160−26.3% | Reduced |
| VELA Investment Management, LLC | 3,417 | $684.5K | 0.31% | +92+2.8% | Added |
| Winton Group Ltd | 3,425 | $686.1K | 0.04% | +3,425 | New |
| Creative Planning | 3,577 | $716.6K | 0.00% | +314+9.6% | Added |
| Spectrum Planning & Advisory Services Inc. | 3,591 | $719.4K | 1.17% | 00.0% | Unchanged |
| Metis Global Partners, LLC | 3,646 | $730.4K | 0.05% | +1,144+45.7% | Added |
| Commonwealth Equity Services, LLC | 3,661 | $733.0K | 0.00% | −1,546−29.7% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 3,691 | $739.4K | 0.01% | +367+11.0% | Added |
| Brighton Jones LLC | 3,753 | $751.8K | 0.04% | +3,753 | New |
| Advisor Group Holdings, Inc. | 3,754 | $754.4K | 0.00% | −2,301−38.0% | Reduced |
| AtonRa Partners | 3,768 | $754.8K | 1.10% | −485−11.4% | Reduced |
| Toroso Investments, LLC | 3,795 | $760.0K | 0.03% | −473−11.1% | Reduced |
| Orion Capital Management LLC | 3,975 | $796.3K | 0.53% | −30−0.7% | Reduced |
| Atlantic Trust, LLC | 3,981 | $797.5K | 0.25% | 00.0% | Unchanged |
| Howland Capital Management LLC | 4,000 | $801.3K | 0.05% | 00.0% | Unchanged |
| J.P. Marvel Investment Advisors, LLC | 4,000 | $801.3K | 0.18% | 00.0% | Unchanged |
| First Hawaiian Bank | 4,023 | $805.9K | 0.03% | −1,100−21.5% | Reduced |
| HighVista Strategies LLC | 4,056 | $812.5K | 0.66% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 4,191 | $839.5K | 0.00% | +84+2.0% | Added |
| Oppenheimer & Co Inc | 4,277 | $856.8K | 0.02% | −47−1.1% | Reduced |
| World Equity Group, Inc. | 33,440 | $863.1K | 0.15% | +30,466+1,024.4% | Added |
| Swiss Life Asset Management Ltd | 4,342 | $870.2K | 0.01% | +345+8.6% | Added |
| Assetmark, Inc | 4,369 | $875.2K | 0.00% | +306+7.5% | Added |
| STRS Ohio | 4,528 | $907.0K | 0.00% | +905+25.0% | Added |
| Jefferies Financial Group Inc. | 4,540 | $909.5K | 0.02% | −6,171−57.6% | Reduced |
| Commerce Bank | 4,608 | $923.1K | 0.01% | +158+3.6% | Added |
| Brandywine Managers, LLC | 4,608 | $923.1K | 0.66% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 4,634 | $928.3K | 0.01% | −671−12.6% | Reduced |
| Lakeview Capital Partners, LLC | 4,556 | $938.9K | 0.29% | −20−0.4% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 4,767 | $954.9K | 0.00% | −380−7.4% | Reduced |
| Portman Square Capital LLP | 4,892 | $980.0K | 0.25% | +4,892 | New |
| Quattro Financial Advisors LLC | 5,000 | $1.00M | 0.41% | 00.0% | Unchanged |
| Shell Asset Management Co | 5,008 | $1.00M | 0.04% | +492+10.9% | Added |
| Banque Pictet & Cie SA | 5,107 | $1.02M | 0.01% | −2,316−31.2% | Reduced |
| Gotham Asset Management, LLC | 5,116 | $1.02M | 0.02% | +1,730+51.1% | Added |
| Panagora Asset Management Inc | 5,121 | $1.03M | 0.01% | −152−2.9% | Reduced |
| Bokf, NA | 5,165 | $1.03M | 0.02% | −492−8.7% | Reduced |
| AIA Group Ltd | 5,684 | $1.14M | 0.06% | +685+13.7% | Added |
| Prudential PLC | 5,720 | $1.15M | 0.01% | +6+0.1% | Added |
| Parametrica Management Ltd | 5,953 | $1.19M | 2.15% | −3,547−37.3% | Reduced |
| Estate Counselors, LLC | 6,015 | $1.20M | 0.16% | +6,015 | New |
| Walleye Trading LLC | 6,037 | $1.21M | 0.04% | +6,037 | New |
| AQR Capital Management LLC | 6,107 | $1.21M | 0.00% | +6,107 | New |
| Chartwell Investment Partners, LLC | 6,178 | $1.24M | 0.05% | +6,178 | New |
| Engineers Gate Manager LP | 6,195 | $1.24M | 0.05% | +6,195 | New |
| JustInvest LLC | 6,299 | $1.26M | 0.04% | −293−4.4% | Reduced |
| Values First Advisors, Inc. | 6,411 | $1.28M | 0.82% | +109+1.7% | Added |
| Farallon Capital Management, L.L.C. | 6,719 | $1.35M | 0.01% | −123,337−94.8% | Reduced |
| Profund Advisors LLC | 6,770 | $1.36M | 0.08% | −6,954−50.7% | Reduced |
| PEAK6 Investments LLC | 6,778 | $1.36M | 0.09% | +3,465+104.6% | Added |
| M&T Bank Corp | 6,870 | $1.38M | 0.01% | +661+10.6% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 6,979 | $1.40M | 0.03% | 00.0% | Unchanged |
| Achmea Investment Management B.V. | 7,411 | $1.48M | 0.04% | +2,919+65.0% | Added |
| MetLife Investment Management | 7,450 | $1.49M | 0.01% | +18+0.2% | Added |
| Sivik Global Healthcare LLC | 7,500 | $1.50M | 0.65% | +7,500 | New |
| Atom Investors LP | 7,533 | $1.51M | 0.82% | +6,135+438.8% | Added |
| Edgestream Partners, L.P. | 7,673 | $1.54M | 0.17% | +7,673 | New |
| Stifel Financial Corp | 7,711 | $1.54M | 0.00% | +261+3.5% | Added |
| US Bancorp | 8,005 | $1.60M | 0.00% | −26−0.3% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 8,290 | $1.66M | 0.03% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 8,339 | $1.67M | 0.01% | −2,332−21.9% | Reduced |
| Nordea Investment Management AB | 8,643 | $1.71M | 0.00% | +96+1.1% | Added |
| ProShare Advisors LLC | 8,814 | $1.77M | 0.01% | −3,227−26.8% | Reduced |
| Schroder Investment Management Group | 8,864 | $1.78M | 0.00% | +384+4.5% | Added |
| Weiss Multi-Strategy Advisers LLC | 8,987 | $1.80M | 0.04% | −2,708−23.2% | Reduced |
| Maryland State Retirement & Pension System | 9,665 | $1.94M | 0.04% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 10,355 | $2.07M | 0.02% | −25−0.2% | Reduced |
| ETF Managers Group, LLC | 10,382 | $2.08M | 0.07% | −742−6.7% | Reduced |
| Daiwa Securities Group Inc. | 10,448 | $2.09M | 0.01% | +610+6.2% | Added |
| Beacon Investment Advisory Services, Inc. | 10,457 | $2.09M | 0.10% | −183−1.7% | Reduced |
| Cullen/Frost Bankers, Inc. | 10,549 | $2.11M | 0.04% | 00.0% | Unchanged |
| Raymond James & Associates | 10,583 | $2.12M | 0.00% | −534−4.8% | Reduced |
| British Columbia Investment Management Corp | 10,958 | $2.20M | 0.02% | +324+3.0% | Added |
| Gateway Investment Advisers LLC | 11,072 | $2.22M | 0.03% | −129−1.2% | Reduced |
| Westpac Banking Corp | 11,262 | $2.26M | 0.03% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 11,694 | $2.34M | 0.03% | +4,900+72.1% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 12,062 | $2.42M | 0.06% | +6,432+114.2% | Added |
| Nomura Holdings Inc | 12,351 | $2.47M | 0.02% | +12,351 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 12,901 | $2.58M | 0.01% | +11,661+940.4% | Added |
| Silvant Capital Management LLC | 13,661 | $2.74M | 0.18% | 00.0% | Unchanged |
| Simplex Trading, LLC | 13,723 | $2.75M | 0.12% | +4,846+54.6% | Added |
| ExodusPoint Capital Management, LP | 13,953 | $2.79M | 0.03% | +13,953 | New |
| Silverarc Capital Management, LLC | 14,043 | $2.81M | 1.26% | −23,609−62.7% | Reduced |
| Amalgamated Bank | 14,078 | $2.82M | 0.02% | +211+1.5% | Added |
| Nissay Asset Management Corp | 14,516 | $2.91M | 0.03% | −194−1.3% | Reduced |
| Aigen Investment Management, LP | 14,626 | $2.93M | 0.40% | +7,767+113.2% | Added |
| LPL Financial LLC | 14,710 | $2.95M | 0.00% | +925+6.7% | Added |
| Caisse de Depot Et Placement du Quebec | 14,900 | $2.98M | 0.01% | 00.0% | Unchanged |
| EFG Asset Management (Americas) Corp. | 15,179 | $3.04M | 0.73% | −238−1.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 15,236 | $3.05M | 0.03% | +15,236 | New |
| Envestnet Asset Management Inc | 15,366 | $3.08M | 0.00% | +1,280+9.1% | Added |