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 |
|---|---|---|---|---|---|
| Rhenman & Partners Asset Management AB | 76,000 | $14.8M | 1.63% | +3,000+4.1% | Added |
| State of New Jersey Common Pension Fund D | 73,793 | $14.8M | 0.05% | +1,561+2.2% | Added |
| Jane Street Group, LLC | 72,869 | $14.6M | 0.03% | −46,107−38.8% | Reduced |
| BNP Paribas Arbitrage, SA | 71,083 | $14.2M | 0.03% | +42,972+152.9% | Added |
| Nomura Asset Management Co Ltd | 67,298 | $13.5M | 0.07% | +9,798+17.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 65,934 | $13.2M | 0.03% | +7,604+13.0% | Added |
| Public Employees Retirement System of Ohio | 65,349 | $13.1M | 0.05% | −2,750−4.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 62,453 | $12.5M | 0.13% | +1,400+2.3% | Added |
| Victory Capital Management Inc | 60,870 | $12.2M | 0.01% | +738+1.2% | Added |
| Bank of Montreal | 57,728 | $11.6M | 0.01% | +33,660+139.9% | Added |
| Robeco Institutional Asset Management B.V. | 52,758 | $10.6M | 0.03% | +771+1.5% | Added |
| Capital International Inc | 51,292 | $10.3M | 0.21% | +4,082+8.6% | Added |
| Asset Management One Co.,Ltd. | 48,378 | $9.69M | 0.04% | +546+1.1% | Added |
| International Biotechnology Trust PLC | 46,600 | $9.33M | 2.60% | +8,600+22.6% | Added |
| Federated Hermes, Inc. | 46,305 | $9.28M | 0.02% | −804−1.7% | Reduced |
| Macquarie Group Ltd | 45,729 | $9.16M | 0.01% | +511+1.1% | Added |
| Andra AP-fonden | 45,200 | $9.05M | 0.24% | −10,400−18.7% | Reduced |
| Tang Capital Management LLC | 45,000 | $9.01M | 1.34% | −60,000−57.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 43,890 | $8.79M | 0.02% | +3,421+8.5% | Added |
| Great West Life Assurance Co | 43,009 | $8.63M | 0.02% | +700+1.7% | Added |
| Storebrand Asset Management AS | 41,613 | $8.34M | 0.04% | −839−2.0% | Reduced |
| UBS Group AG | 40,104 | $8.03M | 0.00% | −7,247−15.3% | Reduced |
| Ensign Peak Advisors, Inc | 39,575 | $7.93M | 0.02% | +2,482+6.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 39,316 | $7.88M | 0.01% | +3,941+11.1% | Added |
| HSBC Holdings PLC | 39,294 | $7.87M | 0.01% | +6,560+20.0% | Added |
| Rafferty Asset Management, LLC | 38,191 | $7.65M | 0.05% | +1,888+5.2% | Added |
| Rosenblum Silverman Sutton S F Inc | 37,543 | $7.52M | 2.74% | −2,340−5.9% | Reduced |
| Korea Investment CORP | 37,259 | $7.46M | 0.02% | +1,116+3.1% | Added |
| Intech Investment Management LLC | 37,165 | $7.44M | 0.06% | +11,093+42.5% | Added |
| Driehaus Capital Management LLC | 36,260 | $7.26M | 0.10% | −32,991−47.6% | Reduced |
| Arizona State Retirement System | 35,767 | $7.16M | 0.06% | +1,793+5.3% | Added |
| Allspring Global Investments Holdings, LLC | 34,381 | $6.89M | 0.01% | −2,887−7.7% | Reduced |
| Wealthfront Advisers LLC | 34,313 | $6.87M | 0.03% | +1,727+5.3% | Added |
| Toronto Dominion Bank | 34,179 | $6.84M | 0.01% | −2,491−6.8% | Reduced |
| Liontrust Investment Partners LLP | 33,229 | $6.66M | 0.10% | +33,229 | New |
| Brown Advisory Inc | 31,298 | $6.27M | 0.01% | −517−1.6% | Reduced |
| USS Investment Management Ltd | 30,025 | $6.01M | 0.08% | −1,209−3.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 29,915 | $5.99M | 0.08% | +1,000+3.5% | Added |
| Jump Financial, LLC | 29,776 | $5.96M | 0.24% | +23,748+394.0% | Added |
| Teacher Retirement System of Texas | 28,787 | $5.77M | 0.04% | +15,422+115.4% | Added |
| KBC Group NV | 28,006 | $5.61M | 0.02% | +21,629+339.2% | Added |
| Erste Asset Management GmbH | 28,510 | $5.56M | 0.11% | 00.0% | Unchanged |
| EFG Asset Management (North America) Corp. | 27,735 | $5.56M | 1.23% | −849−3.0% | Reduced |
| Russell Investments Group, Ltd. | 28,098 | $5.53M | 0.01% | −8,001−22.2% | Reduced |
| Sector Gamma AS | 27,389 | $5.49M | 1.33% | +27,389 | New |
| SEI Investments Co | 27,290 | $5.47M | 0.01% | −342−1.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 27,275 | $5.46M | 0.06% | −6,424−19.1% | Reduced |
| Sectoral Asset Management Inc | 26,570 | $5.32M | 1.02% | +3,760+16.5% | Added |
| Tredje AP-fonden | 26,088 | $5.23M | 0.08% | +1,824+7.5% | Added |
| Forsta Ap-Fonden | 25,800 | $5.17M | 0.06% | −2,800−9.8% | Reduced |
| Mackenzie Financial Corp | 25,797 | $5.17M | 0.01% | +580+2.3% | Added |
| IFM Investors Pty Ltd | 23,802 | $4.77M | 0.07% | +381+1.6% | Added |
| Standard Life Aberdeen plc | 23,454 | $4.70M | 0.01% | +10,330+78.7% | Added |
| Millennium Management LLC | 23,374 | $4.68M | 0.01% | +23,374 | New |
| DnB Asset Management AS | 23,318 | $4.67M | 0.03% | +1,121+5.1% | Added |
| 1832 Asset Management L.P. | 22,745 | $4.56M | 0.01% | −368,600−94.2% | Reduced |
| Utah Retirement Systems | 21,825 | $4.37M | 0.06% | +54+0.2% | Added |
| Aquatic Capital Management LLC | 21,300 | $4.27M | 0.26% | +21,300 | New |
| Exchange Traded Concepts, LLC | 21,268 | $4.26M | 0.12% | +13,900+188.7% | Added |
| LMR Partners LLP | 21,144 | $4.24M | 0.09% | +21,144 | New |
| Principal Financial Group Inc | 20,984 | $4.20M | 0.00% | −2,979−12.4% | Reduced |
| Oregon Public Employees Retirement Fund | 20,228 | $4.05M | 0.05% | +208+1.0% | Added |
| Integral Health Asset Management, LLC | 20,000 | $4.01M | 0.83% | −15,000−42.9% | Reduced |
| Guggenheim Capital LLC | 19,986 | $4.00M | 0.03% | −831−4.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,946 | $4.00M | 0.02% | +1,032+5.5% | Added |
| Holocene Advisors, LP | 19,547 | $3.92M | 0.02% | −579,381−96.7% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 19,468 | $3.90M | 0.21% | −2,582−11.7% | Reduced |
| Mariner, LLC | 19,366 | $3.88M | 0.01% | −6,298−24.5% | Reduced |
| Allianz Asset Management GmbH | 18,647 | $3.74M | 0.01% | +294+1.6% | Added |
| Worldquant Millennium Advisors LLC | 18,338 | $3.67M | 0.07% | +18,338 | New |
| Xponance, Inc. | 16,838 | $3.37M | 0.05% | +161+1.0% | Added |
| CWM Advisors, LLC | 16,455 | $3.30M | 0.42% | +1,631+11.0% | Added |
| Gulf International Bank (UK) Ltd | 16,261 | $3.26M | 0.07% | −3,725−18.6% | Reduced |
| Artia Global Partners LP | 15,971 | $3.20M | 1.29% | 00.0% | Unchanged |
| Karani Asset Management LLC | 15,716 | $3.15M | 3.33% | +88+0.6% | Added |
| Sabadell Asset Management, S.A S.G.I.I.C | 15,671 | $3.15M | 0.67% | −534−3.3% | Reduced |
| Public Employees Retirement Association of Colorado | 15,690 | $3.14M | 0.02% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 15,608 | $3.13M | 0.00% | +25+0.2% | Added |
| Envestnet Asset Management Inc | 15,366 | $3.08M | 0.00% | +1,280+9.1% | Added |
| Schonfeld Strategic Advisors LLC | 15,236 | $3.05M | 0.03% | +15,236 | New |
| EFG Asset Management (Americas) Corp. | 15,179 | $3.04M | 0.73% | −238−1.5% | Reduced |
| Caisse de Depot Et Placement du Quebec | 14,900 | $2.98M | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 14,710 | $2.95M | 0.00% | +925+6.7% | Added |
| Aigen Investment Management, LP | 14,626 | $2.93M | 0.40% | +7,767+113.2% | Added |
| Nissay Asset Management Corp | 14,516 | $2.91M | 0.03% | −194−1.3% | Reduced |
| Amalgamated Bank | 14,078 | $2.82M | 0.02% | +211+1.5% | Added |
| Silverarc Capital Management, LLC | 14,043 | $2.81M | 1.26% | −23,609−62.7% | Reduced |
| ExodusPoint Capital Management, LP | 13,953 | $2.79M | 0.03% | +13,953 | New |
| Simplex Trading, LLC | 13,723 | $2.75M | 0.12% | +4,846+54.6% | Added |
| Silvant Capital Management LLC | 13,661 | $2.74M | 0.18% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 12,901 | $2.58M | 0.01% | +11,661+940.4% | Added |
| Nomura Holdings Inc | 12,351 | $2.47M | 0.02% | +12,351 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 12,062 | $2.42M | 0.06% | +6,432+114.2% | Added |
| SG Americas Securities, LLC | 11,694 | $2.34M | 0.03% | +4,900+72.1% | Added |
| Westpac Banking Corp | 11,262 | $2.26M | 0.03% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 11,072 | $2.22M | 0.03% | −129−1.2% | Reduced |
| British Columbia Investment Management Corp | 10,958 | $2.20M | 0.02% | +324+3.0% | Added |
| Raymond James & Associates | 10,583 | $2.12M | 0.00% | −534−4.8% | Reduced |
| Cullen/Frost Bankers, Inc. | 10,549 | $2.11M | 0.04% | 00.0% | Unchanged |
| Beacon Investment Advisory Services, Inc. | 10,457 | $2.09M | 0.10% | −183−1.7% | Reduced |