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, Q2 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 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
- 477
- 0 vs. Q1 2023
- Shares held
- 118.6M
- −995.1K (−0.8%) vs. Q1 2023
- Total value
- $22.5B
- −$1.43B (−6.0%) vs. Q1 2023
- New holders
- 54
- 163 more added
- Sold out
- 54
- 156 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital World Investors | 16,497,551 | $3.13B | 0.60% | +21,350+0.1% | Added |
| FMR LLC | 12,492,500 | $2.37B | 0.20% | −678,335−5.2% | Reduced |
| Vanguard Group Inc | 11,626,223 | $2.21B | 0.05% | +18,056+0.2% | Added |
| Baillie Gifford & Co | 8,392,216 | $1.59B | 1.35% | −246,925−2.9% | Reduced |
| BlackRock Inc. | 8,386,162 | $1.59B | 0.04% | −162,800−1.9% | Reduced |
| Wellington Management Group LLP | 6,067,793 | $1.15B | 0.22% | −85,984−1.4% | Reduced |
| Price T Rowe Associates Inc | 3,885,536 | $738.0M | 0.10% | −87,340−2.2% | Reduced |
| Dodge & Cox | 3,789,525 | $719.8M | 0.48% | −105,010−2.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,237,624 | $615.0M | 0.42% | +206,803+6.8% | Added |
| JPMorgan Chase & Co | 3,132,974 | $595.1M | 0.07% | +38,240+1.2% | Added |
| State Street Corp | 2,892,247 | $549.4M | 0.03% | +37,366+1.3% | Added |
| Capital International Investors | 2,880,643 | $547.2M | 0.13% | +651,054+29.2% | Added |
| Capital Research Global Investors | 2,354,761 | $447.3M | 0.12% | −84,835−3.5% | Reduced |
| Morgan Stanley | 1,880,806 | $357.2M | 0.04% | +649,991+52.8% | Added |
| Geode Capital Management, LLC | 1,802,022 | $341.7M | 0.04% | +63,907+3.7% | Added |
| RTW Investments, LP | 1,683,362 | $319.7M | 6.09% | 00.0% | Unchanged |
| Avoro Capital Advisors LLC | 1,105,000 | $209.9M | 2.85% | 00.0% | Unchanged |
| Bellevue Group AG | 899,650 | $170.9M | 2.44% | +16,400+1.9% | Added |
| Legal & General Group Plc | 798,389 | $151.6M | 0.05% | +67,367+9.2% | Added |
| Bank of New York Mellon Corp | 775,596 | $147.3M | 0.03% | +221,259+39.9% | Added |
| Northern Trust Corp | 772,470 | $146.7M | 0.03% | +10,886+1.4% | Added |
| UBS Asset Management Americas Inc | 673,878 | $135.0M | 0.07% | 00.0% | Unchanged |
| Norges Bank | 703,354 | $133.6M | 0.03% | −818,058−53.8% | Reduced |
| Amundi | 674,768 | $128.0M | 0.06% | +20,988+3.2% | Added |
| Massachusetts Financial Services Co | 672,397 | $127.7M | 0.04% | −93,375−12.2% | Reduced |
| Pictet Asset Management SA | 648,546 | $123.2M | 0.15% | +44,471+7.4% | Added |
| Loomis Sayles & Co L P | 645,143 | $122.5M | 0.20% | −13,083−2.0% | Reduced |
| Ameriprise Financial Inc | 625,338 | $118.8M | 0.04% | +422,168+207.8% | Added |
| Gilder Gagnon Howe & Co LLC | 598,696 | $113.7M | 1.56% | −22,512−3.6% | Reduced |
| Nuveen Asset Management, LLC | 552,679 | $105.0M | 0.04% | −56,427−9.3% | Reduced |
| Alliancebernstein L.P. | 550,279 | $104.5M | 0.04% | +14,320+2.7% | Added |
| Deutsche Bank AG | 486,876 | $92.5M | 0.05% | +27,310+5.9% | Added |
| Swiss National Bank | 447,600 | $85.0M | 0.06% | −40,700−8.3% | Reduced |
| American Century Companies Inc | 438,871 | $83.4M | 0.06% | −5,737−1.3% | Reduced |
| Charles Schwab Investment Management Inc | 416,144 | $79.0M | 0.02% | +10,781+2.7% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 393,441 | $74.7M | 0.17% | −14,493−3.6% | Reduced |
| Invesco Ltd. | 390,127 | $74.1M | 0.02% | +22,752+6.2% | Added |
| TD Asset Management Inc | 359,081 | $68.2M | 0.08% | −783−0.2% | Reduced |
| Bank of America Corp | 352,343 | $66.9M | 0.01% | −418,862−54.3% | Reduced |
| Rock Springs Capital Management LP | 345,000 | $65.5M | 1.56% | 00.0% | Unchanged |
| Swedbank AB | 333,942 | $63.4M | 0.11% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 326,654 | $62.0M | 0.03% | −10,874−3.2% | Reduced |
| Candriam Luxembourg S.C.A. | 318,894 | $60.6M | 0.44% | −9,397−2.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 298,629 | $56.7M | 0.04% | −42,338−12.4% | Reduced |
| Janus Henderson Group PLC | 291,839 | $55.4M | 0.03% | −7,004−2.3% | Reduced |
| Casdin Capital, LLC | 280,000 | $53.2M | 4.65% | +10,000+3.7% | Added |
| First Trust Advisors LP | 276,376 | $52.5M | 0.06% | −153,711−35.7% | Reduced |
| CI Private Wealth, LLC | 272,529 | $51.8M | 0.12% | −353−0.1% | Reduced |
| Wells Fargo & Company | 259,030 | $49.2M | 0.01% | +14,564+6.0% | Added |
| Eagle Asset Management Inc | 258,955 | $49.2M | 0.27% | −4,493−1.7% | Reduced |
| Goldman Sachs Group Inc | 255,893 | $48.6M | 0.01% | +25,707+11.2% | Added |
| D. E. Shaw & Co., Inc. | 248,272 | $47.2M | 0.07% | +16,927+7.3% | Added |
| Royal Bank of Canada | 246,222 | $46.8M | 0.01% | +30,063+13.9% | Added |
| Dimensional Fund Advisors LP | 240,990 | $45.8M | 0.01% | +22,511+10.3% | Added |
| Polar Capital Holdings Plc | 235,000 | $44.6M | 0.31% | −76,918−24.7% | Reduced |
| California Public Employees Retirement System | 226,279 | $43.0M | 0.04% | −10,834−4.6% | Reduced |
| Two Sigma Investments, LP | 224,669 | $42.7M | 0.11% | +57,323+34.3% | Added |
| State of Wisconsin Investment Board | 221,204 | $42.0M | 0.12% | +38,397+21.0% | Added |
| Barclays PLC | 210,145 | $39.9M | 0.03% | +68,550+48.4% | Added |
| California State Teachers Retirement System | 198,598 | $37.7M | 0.05% | −4,664−2.3% | Reduced |
| Two Sigma Advisers, LP | 193,600 | $36.8M | 0.09% | +38,500+24.8% | Added |
| AXA S.A. | 178,799 | $34.0M | 0.11% | +5,033+2.9% | Added |
| Rhumbline Advisers | 175,334 | $33.3M | 0.04% | +17,439+11.0% | Added |
| CIBC Private Wealth Group, LLC | 174,512 | $33.1M | 0.07% | +53,531+44.2% | Added |
| National Pension Service | 171,985 | $32.9M | 0.05% | +15,755+10.1% | Added |
| Handelsbanken Fonder AB | 169,644 | $32.2M | 0.17% | −1,645−1.0% | Reduced |
| Credit Suisse AG | 168,136 | $31.9M | 0.03% | +36,063+27.3% | Added |
| Squarepoint Ops LLC | 167,623 | $31.8M | 0.18% | +34,395+25.8% | Added |
| Canada Pension Plan Investment Board | 167,498 | $31.8M | 0.05% | −1,700−1.0% | Reduced |
| Royal London Asset Management Ltd | 164,238 | $31.2M | 0.10% | +39,467+31.6% | Added |
| DekaBank Deutsche Girozentrale | 160,449 | $30.6M | 0.07% | +36,404+29.3% | Added |
| Franklin Resources Inc | 150,370 | $28.6M | 0.01% | −10,425−6.5% | Reduced |
| Voya Investment Management LLC | 147,610 | $28.0M | 0.03% | −25,030−14.5% | Reduced |
| Tekla Capital Management LLC | 143,214 | $27.2M | 1.06% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 142,119 | $27.0M | 0.03% | −5,969−4.0% | Reduced |
| Eagle Health Investments LP | 136,756 | $26.0M | 4.86% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 136,560 | $25.9M | 0.06% | −462−0.3% | Reduced |
| HighTower Advisors, LLC | 125,786 | $23.9M | 0.05% | +226+0.2% | Added |
| Novo Holdings A/S | 118,383 | $22.5M | 1.74% | 00.0% | Unchanged |
| Tobam | 108,628 | $20.6M | 1.56% | −18,132−14.3% | Reduced |
| FIL Ltd | 106,438 | $20.2M | 0.02% | −22,373−17.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 101,542 | $19.3M | 0.06% | −13,353−11.6% | Reduced |
| APG Asset Management N.V. | 108,448 | $18.9M | 0.04% | −6,976−6.0% | Reduced |
| Capital International Ltd | 93,581 | $17.8M | 1.00% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 92,821 | $17.6M | 0.12% | −33,699−26.6% | Reduced |
| Assenagon Asset Management S.A. | 90,862 | $17.3M | 0.07% | −124,329−57.8% | Reduced |
| Nicholas Investment Partners, LP | 90,351 | $17.2M | 1.17% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 89,849 | $17.1M | 0.02% | +397+0.4% | Added |
| Susquehanna International Group, LLP | 89,530 | $17.0M | 0.03% | −24,871−21.7% | Reduced |
| Treasurer of the State of North Carolina | 86,917 | $16.5M | 0.09% | −1,560−1.8% | Reduced |
| Capital International Sarl | 84,399 | $16.0M | 0.72% | +7,309+9.5% | Added |
| Clearbridge Investments, LLC | 83,185 | $15.8M | 0.01% | +6,911+9.1% | Added |
| International Biotechnology Trust PLC | 81,600 | $15.5M | 4.72% | +35,000+75.1% | Added |
| Van Eck Associates Corp | 77,968 | $14.8M | 0.03% | −3,313−4.1% | Reduced |
| Millennium Management LLC | 74,980 | $14.2M | 0.02% | +51,606+220.8% | Added |
| Voloridge Investment Management, LLC | 74,858 | $14.2M | 0.07% | −66,530−47.1% | Reduced |
| State of New Jersey Common Pension Fund D | 73,793 | $14.0M | 0.05% | 00.0% | Unchanged |
| UBS Group AG | 73,543 | $14.0M | 0.01% | +33,439+83.4% | Added |
| Nomura Asset Management Co Ltd | 66,213 | $12.6M | 0.06% | −1,085−1.6% | Reduced |
| Bank of Montreal | 59,504 | $12.2M | 0.01% | +1,776+3.1% | Added |