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 |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 21,746 | $3.76M | 0.01% | −8,350−27.7% | Reduced |
| Utah Retirement Systems | 21,325 | $3.78M | 0.05% | +100+0.5% | Added |
| Moore Capital Management, LP | 21,985 | $3.89M | 0.11% | +21,985 | New |
| Kornitzer Capital Management Inc | 22,000 | $3.90M | 0.08% | 00.0% | Unchanged |
| Principal Financial Group Inc | 22,505 | $3.99M | 0.00% | +843+3.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,607 | $4.00M | 0.02% | +2,201+10.8% | Added |
| Standard Life Aberdeen plc | 23,025 | $4.08M | 0.01% | −559−2.4% | Reduced |
| Russell Investments Group, Ltd. | 24,126 | $4.22M | 0.01% | −3,427−12.4% | Reduced |
| Envestnet Asset Management Inc | 24,570 | $4.35M | 0.00% | +5,727+30.4% | Added |
| IFM Investors Pty Ltd | 24,871 | $4.40M | 0.06% | +494+2.0% | Added |
| STRS Ohio | 25,000 | $4.43M | 0.02% | −5,000−16.7% | Reduced |
| SEI Investments Co | 25,302 | $4.48M | 0.01% | −4,461−15.0% | Reduced |
| Forsta Ap-Fonden | 25,400 | $4.50M | 0.05% | +500+2.0% | Added |
| Banque Pictet & Cie SA | 25,424 | $4.50M | 0.05% | −1,154−4.3% | Reduced |
| EFG Asset Management (North America) Corp. | 27,851 | $4.93M | 1.17% | −300−1.1% | Reduced |
| Erste Asset Management GmbH | 28,510 | $4.96M | 0.09% | 00.0% | Unchanged |
| Aviva PLC | 28,408 | $5.03M | 0.02% | +20,451+257.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 28,415 | $5.03M | 0.07% | −100−0.4% | Reduced |
| Sectoral Asset Management Inc | 28,960 | $5.13M | 1.00% | −866−2.9% | Reduced |
| Teacher Retirement System of Texas | 32,958 | $5.84M | 0.04% | +692+2.1% | Added |
| Korea Investment CORP | 33,061 | $5.86M | 0.02% | −5,854−15.0% | Reduced |
| Storebrand Asset Management AS | 33,901 | $6.00M | 0.03% | −6,735−16.6% | Reduced |
| Arizona State Retirement System | 33,973 | $6.02M | 0.05% | +153+0.5% | Added |
| USS Investment Management Ltd | 34,231 | $6.06M | 0.07% | +4,206+14.0% | Added |
| Andra AP-fonden | 34,500 | $6.11M | 0.36% | −6,000−14.8% | Reduced |
| HSBC Holdings PLC | 35,185 | $6.23M | 0.01% | +4,508+14.7% | Added |
| Brown Advisory Inc | 35,212 | $6.24M | 0.01% | −376−1.1% | Reduced |
| Two Sigma Advisers, LP | 35,900 | $6.36M | 0.02% | −157,700−81.5% | Reduced |
| Sphera Funds Management Ltd. | 36,101 | $6.39M | 1.53% | −3,899−9.7% | Reduced |
| International Biotechnology Trust PLC | 36,800 | $6.52M | 2.20% | −44,800−54.9% | Reduced |
| Rosenblum Silverman Sutton S F Inc | 37,053 | $6.56M | 2.23% | −100−0.3% | Reduced |
| Voloridge Investment Management, LLC | 37,412 | $6.63M | 0.03% | −37,446−50.0% | Reduced |
| Caption Management, LLC | 37,500 | $6.64M | 0.86% | +37,500 | New |
| Orbis Allan Gray Ltd | 38,189 | $6.76M | 0.05% | +38,189 | New |
| Parnassus Investments | 38,748 | $6.86M | 0.02% | +38,748 | New |
| Driehaus Capital Management LLC | 39,029 | $6.91M | 0.09% | −90.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 42,107 | $7.46M | 0.07% | +39,641+1,607.5% | Added |
| CWM, LLC | 43,938 | $7.78M | 0.05% | −1,436−3.2% | Reduced |
| Rafferty Asset Management, LLC | 44,168 | $7.82M | 0.05% | +615+1.4% | Added |
| Great West Life Assurance Co | 44,173 | $7.82M | 0.02% | −764−1.7% | Reduced |
| Rhenman & Partners Asset Management AB | 45,000 | $7.97M | 0.86% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 45,900 | $8.13M | 0.08% | +45,900 | New |
| Macquarie Group Ltd | 45,906 | $8.13M | 0.01% | +882+2.0% | Added |
| Asset Management One Co.,Ltd. | 49,066 | $8.69M | 0.04% | −339−0.7% | Reduced |
| Bank of Montreal | 48,203 | $8.96M | 0.01% | −11,301−19.0% | Reduced |
| DnB Asset Management AS | 51,212 | $9.07M | 0.05% | +25,898+102.3% | Added |
| BNP Paribas Arbitrage, SA | 51,403 | $9.10M | 0.02% | +12,822+33.2% | Added |
| Teachers Retirement System of the State of Kentucky | 51,755 | $9.17M | 0.09% | −336−0.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 52,479 | $9.29M | 0.02% | +5,980+12.9% | Added |
| Sector Gamma AS | 52,968 | $9.38M | 2.40% | +24,901+88.7% | Added |
| Capital Group Investment Management Pte. Ltd. | 53,516 | $9.48M | 0.62% | +34,048+174.9% | Added |
| Public Employees Retirement System of Ohio | 54,670 | $9.68M | 0.04% | −5,588−9.3% | Reduced |
| Jane Street Group, LLC | 55,036 | $9.75M | 0.02% | +18,394+50.2% | Added |
| Toronto Dominion Bank | 55,262 | $9.79M | 0.02% | +24,400+79.1% | Added |
| Victory Capital Management Inc | 58,887 | $10.4M | 0.01% | −1,606−2.7% | Reduced |
| Ensign Peak Advisors, Inc | 59,224 | $10.5M | 0.02% | +11,904+25.2% | Added |
| Tudor Investment Corp Et Al | 60,004 | $10.6M | 0.16% | +51,377+595.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 60,719 | $10.7M | 0.02% | +2,268+3.9% | Added |
| U.S. Capital Wealth Advisors, LLC | 61,500 | $10.9M | 0.49% | +61,500 | New |
| LMR Partners LLP | 67,724 | $12.0M | 0.27% | +33,029+95.2% | Added |
| Nomura Asset Management Co Ltd | 68,017 | $12.0M | 0.06% | +1,804+2.7% | Added |
| UBS Group AG | 69,902 | $12.4M | 0.01% | −3,641−5.0% | Reduced |
| Van Eck Associates Corp | 71,086 | $12.6M | 0.03% | −6,882−8.8% | Reduced |
| State of New Jersey Common Pension Fund D | 71,585 | $12.7M | 0.05% | −2,208−3.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 78,013 | $13.8M | 0.02% | +50,124+179.7% | Added |
| Citigroup Inc | 79,499 | $14.1M | 0.02% | +18,295+29.9% | Added |
| Treasurer of the State of North Carolina | 85,957 | $15.2M | 0.08% | −960−1.1% | Reduced |
| Capital International Sarl | 86,922 | $15.4M | 0.70% | +2,523+3.0% | Added |
| Neuberger Berman Group LLC | 89,840 | $15.9M | 0.01% | −90.0% | Reduced |
| FIL Ltd | 89,968 | $15.9M | 0.02% | −16,470−15.5% | Reduced |
| Capital International Ltd | 92,956 | $16.5M | 0.95% | −625−0.7% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 93,225 | $16.5M | 0.11% | +404+0.4% | Added |
| Capital International Inc | 96,473 | $17.1M | 0.33% | +38,626+66.8% | Added |
| APG Asset Management N.V. | 97,559 | $17.3M | 0.04% | −10,889−10.0% | Reduced |
| Tobam | 103,044 | $18.2M | 1.46% | −5,584−5.1% | Reduced |
| Antipodes Partners Ltd | 111,834 | $19.5M | 0.63% | +111,778+199,603.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 113,130 | $20.0M | 0.06% | +11,588+11.4% | Added |
| Novo Holdings A/S | 118,383 | $21.0M | 1.55% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 124,439 | $22.1M | 0.04% | −1,347−1.1% | Reduced |
| New York State Common Retirement Fund | 124,963 | $22.1M | 0.03% | −17,156−12.1% | Reduced |
| State Board of Administration of Florida Retirement System | 131,210 | $23.2M | 0.05% | −5,350−3.9% | Reduced |
| Eagle Health Investments LP | 136,756 | $24.2M | 5.34% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 143,100 | $24.8M | 0.06% | −17,349−10.8% | Reduced |
| Franklin Resources Inc | 150,294 | $26.6M | 0.01% | −76−0.1% | Reduced |
| Canada Pension Plan Investment Board | 151,298 | $26.8M | 0.04% | −16,200−9.7% | Reduced |
| Voya Investment Management LLC | 154,104 | $27.3M | 0.03% | +6,494+4.4% | Added |
| Barclays PLC | 162,195 | $28.7M | 0.02% | −47,950−22.8% | Reduced |
| Credit Suisse AG | 165,412 | $29.3M | 0.03% | −2,724−1.6% | Reduced |
| National Pension Service | 167,770 | $29.4M | 0.05% | −4,215−2.5% | Reduced |
| Handelsbanken Fonder AB | 169,743 | $30.1M | 0.17% | +99+0.1% | Added |
| Rhumbline Advisers | 172,071 | $30.5M | 0.04% | −3,263−1.9% | Reduced |
| CIBC Private Wealth Group, LLC | 174,130 | $30.8M | 0.07% | −382−0.2% | Reduced |
| AXA S.A. | 177,477 | $31.4M | 0.11% | −1,322−0.7% | Reduced |
| Susquehanna International Group, LLP | 188,353 | $33.4M | 0.05% | +98,823+110.4% | Added |
| California State Teachers Retirement System | 190,231 | $33.7M | 0.05% | −8,367−4.2% | Reduced |
| Casdin Capital, LLC | 200,000 | $35.4M | 3.95% | −80,000−28.6% | Reduced |
| State of Wisconsin Investment Board | 201,905 | $35.8M | 0.11% | −19,299−8.7% | Reduced |
| D. E. Shaw & Co., Inc. | 204,092 | $36.1M | 0.06% | −44,180−17.8% | Reduced |
| Invesco Ltd. | 216,569 | $38.4M | 0.01% | −173,558−44.5% | Reduced |
| Swedbank AB | 220,639 | $39.1M | 0.07% | −113,303−33.9% | Reduced |