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, Q3 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 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
- 454
- −15 vs. Q2 2023
- Shares held
- 117.8M
- +10.8K (0.0%) vs. Q2 2023
- Total value
- $20.9B
- −$1.52B (−6.8%) vs. Q2 2023
- New holders
- 43
- 161 more added
- Sold out
- 58
- 165 more reduced
8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital World Investors | 16,529,308 | $2.93B | 0.58% | +31,757+0.2% | Added |
| Vanguard Group Inc | 11,656,831 | $2.06B | 0.05% | +30,608+0.3% | Added |
| FMR LLC | 11,281,406 | $2.00B | 0.17% | −1,211,094−9.7% | Reduced |
| BlackRock Inc. | 8,393,004 | $1.49B | 0.04% | +6,842+0.1% | Added |
| Baillie Gifford & Co | 8,163,139 | $1.45B | 1.32% | −229,077−2.7% | Reduced |
| Wellington Management Group LLP | 6,431,814 | $1.14B | 0.23% | +364,021+6.0% | Added |
| Price T Rowe Associates Inc | 3,925,004 | $695.1M | 0.10% | +39,468+1.0% | Added |
| Dodge & Cox | 3,747,155 | $663.6M | 0.45% | −42,370−1.1% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,398,859 | $601.9M | 0.43% | +161,235+5.0% | Added |
| Capital International Investors | 3,097,843 | $548.6M | 0.14% | +217,200+7.5% | Added |
| JPMorgan Chase & Co | 3,086,846 | $546.7M | 0.06% | −46,128−1.5% | Reduced |
| State Street Corp | 2,899,513 | $513.5M | 0.03% | +7,266+0.3% | Added |
| Capital Research Global Investors | 2,783,843 | $493.0M | 0.14% | +429,082+18.2% | Added |
| Geode Capital Management, LLC | 1,839,505 | $325.3M | 0.04% | +37,483+2.1% | Added |
| RTW Investments, LP | 1,683,362 | $298.1M | 6.29% | 00.0% | Unchanged |
| Morgan Stanley | 1,209,383 | $214.2M | 0.02% | −671,423−35.7% | Reduced |
| Norges Bank | 1,193,566 | $211.4M | 0.04% | +490,212+69.7% | Added |
| Avoro Capital Advisors LLC | 1,011,111 | $179.1M | 2.79% | −93,889−8.5% | Reduced |
| Bellevue Group AG | 894,345 | $158.4M | 2.55% | −5,305−0.6% | Reduced |
| Bank of New York Mellon Corp | 837,084 | $148.2M | 0.03% | +61,488+7.9% | Added |
| Northern Trust Corp | 797,700 | $141.3M | 0.03% | +25,230+3.3% | Added |
| Legal & General Group Plc | 794,671 | $140.7M | 0.05% | −3,718−0.5% | Reduced |
| Pictet Asset Management Holding SA | 790,755 | $140.0M | 0.17% | +790,755 | New |
| UBS Asset Management Americas Inc | 774,476 | $137.2M | 0.06% | +100,598+14.9% | Added |
| Ameriprise Financial Inc | 706,200 | $125.1M | 0.04% | +80,862+12.9% | Added |
| Massachusetts Financial Services Co | 688,228 | $121.9M | 0.04% | +15,831+2.4% | Added |
| Loomis Sayles & Co L P | 625,401 | $110.8M | 0.19% | −19,742−3.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 594,979 | $105.4M | 1.60% | −3,717−0.6% | Reduced |
| Amundi | 614,359 | $103.3M | 0.05% | −60,409−9.0% | Reduced |
| Nuveen Asset Management, LLC | 546,458 | $96.8M | 0.03% | −6,221−1.1% | Reduced |
| Alliancebernstein L.P. | 540,706 | $95.8M | 0.04% | −9,573−1.7% | Reduced |
| TD Asset Management Inc | 495,364 | $87.7M | 0.11% | +136,283+38.0% | Added |
| Deutsche Bank AG | 462,856 | $82.0M | 0.05% | −24,020−4.9% | Reduced |
| American Century Companies Inc | 442,743 | $78.4M | 0.06% | +3,872+0.9% | Added |
| Charles Schwab Investment Management Inc | 418,980 | $74.2M | 0.02% | +2,836+0.7% | Added |
| Swiss National Bank | 400,600 | $70.9M | 0.06% | −47,000−10.5% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 386,672 | $68.5M | 0.17% | −6,769−1.7% | Reduced |
| Manufacturers Life Insurance Company, The | 355,863 | $63.0M | 0.04% | +29,209+8.9% | Added |
| Bank of America Corp | 351,153 | $62.2M | 0.01% | −1,190−0.3% | Reduced |
| Candriam Luxembourg S.C.A. | 328,894 | $58.2M | 0.48% | +10,000+3.1% | Added |
| Goldman Sachs Group Inc | 312,045 | $55.3M | 0.01% | +56,152+21.9% | Added |
| Royal London Asset Management Ltd | 306,595 | $54.3M | 0.18% | +142,357+86.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 296,700 | $52.5M | 0.04% | −1,929−0.6% | Reduced |
| Janus Henderson Group PLC | 293,490 | $52.0M | 0.03% | +1,651+0.6% | Added |
| Rock Springs Capital Management LP | 279,500 | $49.5M | 1.33% | −65,500−19.0% | Reduced |
| CI Private Wealth, LLC | 273,117 | $48.4M | 0.11% | +588+0.2% | Added |
| Wells Fargo & Company | 265,735 | $47.1M | 0.01% | +6,705+2.6% | Added |
| Eagle Asset Management Inc | 262,680 | $46.5M | 0.28% | +3,725+1.4% | Added |
| Dimensional Fund Advisors LP | 251,911 | $44.6M | 0.01% | +10,921+4.5% | Added |
| Royal Bank of Canada | 244,106 | $43.2M | 0.01% | −2,116−0.9% | Reduced |
| Squarepoint Ops LLC | 237,634 | $42.1M | 0.20% | +70,011+41.8% | Added |
| Polar Capital Holdings Plc | 235,000 | $41.6M | 0.31% | 00.0% | Unchanged |
| First Trust Advisors LP | 233,490 | $41.4M | 0.05% | −42,886−15.5% | Reduced |
| California Public Employees Retirement System | 227,830 | $40.3M | 0.03% | +1,551+0.7% | Added |
| Swedbank AB | 220,639 | $39.1M | 0.07% | −113,303−33.9% | Reduced |
| Invesco Ltd. | 216,569 | $38.4M | 0.01% | −173,558−44.5% | Reduced |
| D. E. Shaw & Co., Inc. | 204,092 | $36.1M | 0.06% | −44,180−17.8% | Reduced |
| State of Wisconsin Investment Board | 201,905 | $35.8M | 0.11% | −19,299−8.7% | Reduced |
| Casdin Capital, LLC | 200,000 | $35.4M | 3.95% | −80,000−28.6% | Reduced |
| California State Teachers Retirement System | 190,231 | $33.7M | 0.05% | −8,367−4.2% | Reduced |
| Susquehanna International Group, LLP | 188,353 | $33.4M | 0.05% | +98,823+110.4% | Added |
| AXA S.A. | 177,477 | $31.4M | 0.11% | −1,322−0.7% | Reduced |
| CIBC Private Wealth Group, LLC | 174,130 | $30.8M | 0.07% | −382−0.2% | Reduced |
| Rhumbline Advisers | 172,071 | $30.5M | 0.04% | −3,263−1.9% | Reduced |
| Handelsbanken Fonder AB | 169,743 | $30.1M | 0.17% | +99+0.1% | Added |
| National Pension Service | 167,770 | $29.4M | 0.05% | −4,215−2.5% | Reduced |
| Credit Suisse AG | 165,412 | $29.3M | 0.03% | −2,724−1.6% | Reduced |
| Barclays PLC | 162,195 | $28.7M | 0.02% | −47,950−22.8% | Reduced |
| Voya Investment Management LLC | 154,104 | $27.3M | 0.03% | +6,494+4.4% | Added |
| Canada Pension Plan Investment Board | 151,298 | $26.8M | 0.04% | −16,200−9.7% | Reduced |
| Franklin Resources Inc | 150,294 | $26.6M | 0.01% | −76−0.1% | Reduced |
| DekaBank Deutsche Girozentrale | 143,100 | $24.8M | 0.06% | −17,349−10.8% | Reduced |
| Eagle Health Investments LP | 136,756 | $24.2M | 5.34% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 131,210 | $23.2M | 0.05% | −5,350−3.9% | Reduced |
| New York State Common Retirement Fund | 124,963 | $22.1M | 0.03% | −17,156−12.1% | Reduced |
| HighTower Advisors, LLC | 124,439 | $22.1M | 0.04% | −1,347−1.1% | Reduced |
| Novo Holdings A/S | 118,383 | $21.0M | 1.55% | 00.0% | Unchanged |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 113,130 | $20.0M | 0.06% | +11,588+11.4% | Added |
| Antipodes Partners Ltd | 111,834 | $19.5M | 0.63% | +111,778+199,603.6% | Added |
| Tobam | 103,044 | $18.2M | 1.46% | −5,584−5.1% | Reduced |
| APG Asset Management N.V. | 97,559 | $17.3M | 0.04% | −10,889−10.0% | Reduced |
| Capital International Inc | 96,473 | $17.1M | 0.33% | +38,626+66.8% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 93,225 | $16.5M | 0.11% | +404+0.4% | Added |
| Capital International Ltd | 92,956 | $16.5M | 0.95% | −625−0.7% | Reduced |
| FIL Ltd | 89,968 | $15.9M | 0.02% | −16,470−15.5% | Reduced |
| Neuberger Berman Group LLC | 89,840 | $15.9M | 0.01% | −90.0% | Reduced |
| Capital International Sarl | 86,922 | $15.4M | 0.70% | +2,523+3.0% | Added |
| Treasurer of the State of North Carolina | 85,957 | $15.2M | 0.08% | −960−1.1% | Reduced |
| Citigroup Inc | 79,499 | $14.1M | 0.02% | +18,295+29.9% | Added |
| Allspring Global Investments Holdings, LLC | 78,013 | $13.8M | 0.02% | +50,124+179.7% | Added |
| State of New Jersey Common Pension Fund D | 71,585 | $12.7M | 0.05% | −2,208−3.0% | Reduced |
| Van Eck Associates Corp | 71,086 | $12.6M | 0.03% | −6,882−8.8% | Reduced |
| UBS Group AG | 69,902 | $12.4M | 0.01% | −3,641−5.0% | Reduced |
| Nomura Asset Management Co Ltd | 68,017 | $12.0M | 0.06% | +1,804+2.7% | Added |
| LMR Partners LLP | 67,724 | $12.0M | 0.27% | +33,029+95.2% | Added |
| U.S. Capital Wealth Advisors, LLC | 61,500 | $10.9M | 0.49% | +61,500 | New |
| Mirae Asset Global Investments Co., Ltd. | 60,719 | $10.7M | 0.02% | +2,268+3.9% | Added |
| Tudor Investment Corp Et Al | 60,004 | $10.6M | 0.16% | +51,377+595.5% | Added |
| Ensign Peak Advisors, Inc | 59,224 | $10.5M | 0.02% | +11,904+25.2% | Added |
| Victory Capital Management Inc | 58,887 | $10.4M | 0.01% | −1,606−2.7% | Reduced |