Alnylam PharmaceuticalsALNY
13F holders, Q1 2024 (March 31)498holders
6famous investors
$149.56avg. 13F price*
At the end of Q1 2024, 498 institutions reported holding Alnylam Pharmaceuticals Inc. (ALNY) in their 13F filings. The largest holders were Capital World Investors ($1.9B), Vanguard Group Inc. ($1.8B) and FMR LLC ($1.5B). 6 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Alnylam Pharmaceuticals Inc.
- Sector
- Health Care
- CUSIP
- 02043Q107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 66 | $348.3M |
| Exits | 64 | $410.6M |
Ownership 498 holders
| Capital World Investors | 0.32% | Reduce -20.9% | 12,789,236 | $1.9B |
| Vanguard Group Inc. | 0.04% | Add +0.4% | 11,994,261 | $1.8B |
| FMR LLC | 0.10% | Reduce -3.3% | 9,967,996 | $1.5B |
| BlackRock Inc. | 0.03% | Add +5.9% | 9,025,007 | $1.3B |
| Wellington Management Group LLP | 0.19% | Reduce -0.1% | 7,209,005 | $1.1B |
| Baillie Gifford & Co. | 0.77% | Reduce -4.9% | 6,623,577 | $989.9M |
| Dodge & Cox | 0.33% | Add +3.7% | 3,811,480 | $569.6M |
| T. Rowe Price Associates Inc. | 0.07% | Add +5.8% | 3,685,753 | $550.8M |
| Capital International Investors | 0.11% | Add +1.8% | 3,651,217 | $545.7M |
| State Street Corp. | 0.02% | Add +2.3% | 3,191,373 | $477.0M |
| Capital Research Global Investors | 0.11% | Add +7.3% | 3,144,987 | $470.0M |
| T. Rowe Price Investment Management, Inc. | 0.26% | Reduce -16.1% | 2,872,904 | $429.4M |
| Norges Bank | 0.05% | Add +12.4% | 2,292,654 | $342.6M |
| Geode Capital Management, LLC | 0.03% | Add +3.9% | 2,001,718 | $298.7M |
| JPMorgan Chase & Co. | 0.02% | Reduce -42.0% | 1,748,189 | $261.3M |
| American Century Companies Inc. | 0.13% | Add +231.1% | 1,373,654 | $205.3M |
| Pictet Asset Management Holding SA | 0.16% | Add +8.6% | 961,504 | $144.6M |
| Bellevue Group AG | 2.09% | Add +3.7% | 918,284 | $137.2M |
| Deep Track Capital, LP | 3.58% | New | 832,310 | $124.4M |
| Bank of New York Mellon Corp | 0.02% | Reduce -4.6% | 798,445 | $119.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +2.4% | 758,650 | $113.4M |
| Legal & General Group Plc | 0.03% | Reduce -1.0% | 750,602 | $112.2M |
| Northern Trust Corp. | 0.02% | Reduce -3.3% | 739,584 | $110.5M |
| Amundi | 0.05% | Add +4.8% | 746,064 | $108.3M |
| Morgan Stanley | 0.01% | Reduce -16.3% | 675,281 | $100.9M |
| Loomis Sayles & Co. L P | 0.12% | Reduce -4.4% | 581,851 | $87.0M |
| Squarepoint Ops LLC | 0.36% | Add +72.8% | 580,441 | $86.7M |
| Nuveen Asset Management, LLC | 0.02% | Reduce -5.8% | 511,978 | $76.5M |
| Deutsche Bank AG | 0.04% | Add +9.7% | 507,077 | $75.8M |
| Bank of America Corp. | 0.01% | Add +53.3% | 484,893 | $72.5M |
| TD Asset Management Inc | 0.06% | Reduce -0.8% | 462,348 | $69.1M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +2.1% | 447,560 | $66.9M |
| Gilder Gagnon Howe & Co. LLC | 0.76% | Reduce -31.0% | 405,173 | $60.6M |
| Swiss National Bank | 0.04% | Reduce -3.8% | 375,900 | $56.2M |
| Royal Bank of Canada | 0.01% | Add +45.1% | 374,424 | $56.0M |
| Casdin Capital, LLC | 3.98% | Add +83.6% | 358,000 | $53.5M |
| Vestal Point Capital, LP | 4.33% | Add +900.0% | 350,000 | $52.3M |
| Manufacturers Life Insurance Company, The | 0.05% | Reduce -1.1% | 337,025 | $50.4M |
| Royal London Asset Management Ltd. | 0.12% | Add +5.8% | 326,869 | $48.9M |
| Candriam S.C.A. | 0.31% | Add +26.6% | 316,898 | $47.4M |
| Mitsubishi UFJ Trust & Banking Corp | 0.11% | Reduce -10.7% | 311,852 | $46.6M |
| Avoro Capital Advisors LLC | 0.52% | Reduce -73.0% | 300,000 | $44.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.03% | Reduce -1.4% | 290,996 | $43.5M |
| Balyasny Asset Management L.P. | 0.11% | New | 287,627 | $43.0M |
| Corient Private Wealth LP | 0.07% | Reduce -0.0% | 274,607 | $41.0M |
| Canada Pension Plan Investment Board | 0.04% | Add +12.7% | 273,790 | $40.9M |
| Eagle Asset Management Inc. | 0.20% | Reduce -1.8% | 258,248 | $39.6M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -10.8% | 260,019 | $38.9M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -4.4% | 255,179 | $38.1M |
| Rock Springs Capital Management LP | 0.93% | Add +3.8% | 244,000 | $36.5M |
| Avidity Partners Management LP | 1.29% | New | 243,000 | $36.3M |
| Franklin Resources Inc. | 0.01% | Add +57.4% | 237,524 | $35.5M |
| Schonfeld Strategic Advisors LLC | 0.28% | Add +11963.8% | 235,606 | $35.2M |
| Polar Capital Holdings Plc | 0.19% | Add +27.0% | 235,000 | $35.1M |
| Aberdeen Group plc | 0.06% | Reduce -5.8% | 219,275 | $32.8M |
| First Trust Advisors LP | 0.03% | Reduce -29.1% | 217,373 | $32.5M |
| California Public Employees Retirement System | 0.02% | Add +19.5% | 214,330 | $32.0M |
| Man Group plc | 0.09% | Add +390.2% | 210,235 | $31.4M |
| Wells Fargo & Company | 0.01% | Reduce -10.1% | 206,364 | $30.8M |
| Point72 Asset Management | 0.09% | Add +139.9% | 206,255 | $30.8M |
| ANTIPODES PARTNERS Ltd | 0.97% | Add +8.7% | 205,579 | $30.7M |
| Millennium Management | 0.03% | Add +453.6% | 202,278 | $30.2M |
| Ameriprise Financial Inc. | 0.01% | Reduce -48.4% | 194,725 | $29.1M |
| Barclays PLC | 0.01% | Add +36.6% | 193,972 | $29.0M |
| California State Teachers Retirement System | 0.04% | Reduce -0.1% | 191,418 | $28.6M |
| Two Sigma Advisers, LP | 0.07% | New | 189,600 | $28.3M |
| National Pension Service | 0.03% | Add +11.0% | 186,183 | $27.8M |
| State Board of Administration of Florida Retirement System | 0.06% | Add +0.8% | 137,022 | $27.4M |
| Palo Alto Investors LP | 3.08% | Add +18.3% | 182,766 | $27.3M |
| ADAR1 Capital Management, LLC | 7.35% | Add +1796.3% | 180,145 | $26.9M |
| Janus Henderson Group PLC | 0.01% | Reduce -35.6% | 178,954 | $26.7M |
| CIBC Private Wealth Group LLC | 0.05% | Add +0.3% | 174,249 | $26.7M |
| Invesco Ltd. | 0.01% | Add +0.8% | 178,313 | $26.6M |
| Rhumbline Advisers | 0.02% | Add +0.5% | 173,689 | $26.0M |
| Jane Street Group, LLC | 0.03% | Add +68.4% | 163,938 | $24.5M |
| Citigroup Inc. | 0.02% | Add +107.0% | 150,690 | $22.5M |
| Federated Hermes, Inc. | 0.05% | Add +8.3% | 148,504 | $22.2M |
| AQR Capital Management | 0.04% | Add +906.7% | 141,137 | $21.1M |
| Credit Suisse AG/ | 0.02% | Reduce -26.5% | 129,346 | $19.3M |
| Jacobs Levy Equity Management, Inc. | 0.08% | New | 126,367 | $18.9M |
| HighTower Advisors, LLC | 0.03% | Add +1.5% | 126,080 | $18.8M |
| UBS Group AG | 0.01% | Add +37.6% | 124,463 | $18.6M |
| Hudson Bay Capital Management LP | 0.18% | Add +48.5% | 122,500 | $18.3M |
| Novo Holdings A/S | 1.22% | No change | 118,383 | $17.7M |
| DekaBank Deutsche Girozentrale | 0.03% | Reduce -18.0% | 113,042 | $17.3M |
| Caption Management, LLC | 1.88% | Add +429.8% | 114,122 | $17.1M |
| Qube Research & Technologies Ltd | 0.03% | Add +500.3% | 110,759 | $16.6M |
| National Bank of Canada | 0.03% | Add +21032.5% | 108,410 | $16.3M |
| AXA S.A. | 0.05% | Reduce -35.6% | 107,636 | $16.1M |
| Bank of Montreal | 0.01% | Add +156.5% | 102,508 | $15.9M |
| D. E. Shaw & Co. | 0.02% | Add +8.2% | 103,387 | $15.5M |
| Sofinnova Investments, Inc. | 0.91% | New | 103,036 | $15.4M |
| Two Sigma Investments, LP | 0.04% | New | 102,512 | $15.3M |
| BNP Paribas Financial Markets | 0.02% | Add +22.7% | 101,446 | $15.2M |
| Trexquant Investment LP | 0.29% | Add +88.7% | 96,975 | $14.5M |
| Skandinaviska Enskilda Banken AB (publ) | 0.07% | Add +1.4% | 94,553 | $14.1M |
| New York State Common Retirement Fund | 0.02% | Reduce -16.2% | 93,766 | $14.0M |
| Capital International, Inc. | 0.19% | Reduce -6.6% | 93,376 | $14.0M |
| Neuberger Berman Group LLC | 0.01% | Add +27.5% | 91,350 | $13.7M |
| Cubist Systematic Strategies, LLC | 0.15% | Add +400.9% | 90,234 | $13.5M |
"% of holder's portfolio" is ALNY's weight in each manager's 13F, not the share of Alnylam Pharmaceuticals Inc. the manager owns.