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 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2021. 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
- 407
- +10 vs. Q2 2021
- Shares held
- 111.7M
- +29.7K (0.0%) vs. Q2 2021
- Total value
- $21.1B
- +$2.15B (+11.4%) vs. Q2 2021
- New holders
- 51
- 155 more added
- Sold out
- 41
- 121 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Macquarie Group Ltd | 53,593 | $10.1M | 0.01% | 00.0% | Unchanged |
| Storebrand Asset Management AS | 53,307 | $10.1M | 0.05% | −1,645−3.0% | Reduced |
| Asset Management One Co.,Ltd. | 52,648 | $9.94M | 0.04% | −298−0.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 52,291 | $9.87M | 0.09% | 00.0% | Unchanged |
| Bank of Montreal | 53,341 | $9.52M | 0.00% | +10,590+24.8% | Added |
| 683 Capital Management, LLC | 49,000 | $9.25M | 0.48% | −6,000−10.9% | Reduced |
| Qube Research & Technologies Ltd | 44,899 | $8.48M | 0.11% | +44,899 | New |
| Driehaus Capital Management LLC | 44,502 | $8.40M | 0.10% | +41,723+1,501.4% | Added |
| Susquehanna International Group, LLP | 44,393 | $8.38M | 0.01% | −63,788−59.0% | Reduced |
| Eaton Vance Management | 44,009 | $8.29M | 0.01% | +2,518+6.1% | Added |
| Rosenblum Silverman Sutton S F Inc | 43,024 | $8.12M | 1.86% | −417−1.0% | Reduced |
| Nomura Asset Management Co Ltd | 42,824 | $8.09M | 0.05% | +1,015+2.4% | Added |
| DekaBank Deutsche Girozentrale | 44,436 | $7.90M | 0.02% | −29,155−39.6% | Reduced |
| Royal London Asset Management Ltd | 41,280 | $7.80M | 0.03% | −1,112−2.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 41,289 | $7.80M | 0.04% | −8,375−16.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 40,884 | $7.72M | 0.07% | −800−1.9% | Reduced |
| SG3 Management, LLC | 40,250 | $7.60M | 2.70% | +35,250+705.0% | Added |
| Balyasny Asset Management LLC | 40,144 | $7.58M | 0.04% | +16,652+70.9% | Added |
| Raymond James & Associates | 39,701 | $7.50M | 0.01% | −87−0.2% | Reduced |
| Principal Financial Group Inc | 38,640 | $7.30M | 0.00% | −4,295−10.0% | Reduced |
| Voya Investment Management LLC | 37,479 | $7.08M | 0.01% | −350−0.9% | Reduced |
| Aviva PLC | 36,252 | $6.84M | 0.03% | −3,571−9.0% | Reduced |
| Erste Asset Management GmbH | 36,800 | $6.53M | 0.13% | −5,800−13.6% | Reduced |
| Federation des caisses Desjardins du Quebec | 34,015 | $6.42M | 0.07% | −1,587−4.5% | Reduced |
| D. E. Shaw & Co., Inc. | 33,063 | $6.24M | 0.01% | −3,345−9.2% | Reduced |
| Arizona State Retirement System | 32,988 | $6.23M | 0.05% | −82−0.2% | Reduced |
| Karani Asset Management LLC | 32,489 | $6.13M | 2.98% | +32,489 | New |
| Envestnet Asset Management Inc | 31,485 | $5.94M | 0.00% | +1,480+4.9% | Added |
| NN Investment Partners Holdings N.V. | 31,296 | $5.91M | 0.03% | +5,470+21.2% | Added |
| HRT Financial LP | 30,777 | $5.81M | 0.04% | +24,261+372.3% | Added |
| Nisa Investment Advisors, LLC | 30,527 | $5.76M | 0.03% | +17,415+132.8% | Added |
| Teacher Retirement System of Texas | 29,435 | $5.56M | 0.03% | +14,319+94.7% | Added |
| Ararat Capital Management, LP | 28,985 | $5.47M | 1.93% | +642+2.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,632 | $5.41M | 0.03% | −273−0.9% | Reduced |
| HSBC Holdings PLC | 28,714 | $5.35M | 0.01% | +1,004+3.6% | Added |
| Tudor Investment Corp Et Al | 28,253 | $5.33M | 0.11% | +28,253 | New |
| ProShare Advisors LLC | 28,207 | $5.33M | 0.01% | +2,838+11.2% | Added |
| Taylor Wealth Management Partners | 27,829 | $5.25M | 1.87% | −711−2.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 27,101 | $5.12M | 0.03% | +774+2.9% | Added |
| AMP Capital Investors Ltd | 25,424 | $4.80M | 0.03% | −3,684−12.7% | Reduced |
| Novo Holdings A/S | 25,000 | $4.72M | 0.24% | −9,679−27.9% | Reduced |
| Integral Health Asset Management, LLC | 25,000 | $4.72M | 1.36% | 00.0% | Unchanged |
| Royal Bank of Canada | 24,592 | $4.64M | 0.00% | +8,464+52.5% | Added |
| SEI Investments Co | 24,062 | $4.61M | 0.01% | +229+1.0% | Added |
| ETF Managers Group, LLC | 25,702 | $4.56M | 0.09% | +6,822+36.1% | Added |
| Guggenheim Capital LLC | 23,844 | $4.50M | 0.03% | −2,093−8.1% | Reduced |
| Gulf International Bank (UK) Ltd | 23,611 | $4.46M | 0.06% | 00.0% | Unchanged |
| Korea Investment CORP | 23,300 | $4.40M | 0.01% | −1,100−4.5% | Reduced |
| Forsta Ap-Fonden | 23,300 | $4.40M | 0.05% | +9,900+73.9% | Added |
| UBS Group AG | 22,192 | $4.19M | 0.00% | +3,543+19.0% | Added |
| British Columbia Investment Management Corp | 21,659 | $4.09M | 0.02% | −30.0% | Reduced |
| Janus Henderson Group PLC | 21,577 | $4.08M | 0.00% | +9,852+84.0% | Added |
| Utah Retirement Systems | 21,472 | $4.05M | 0.05% | −800−3.6% | Reduced |
| Citadel Advisors LLC | 20,879 | $3.94M | 0.00% | −18,070−46.4% | Reduced |
| Handelsbanken Fonder AB | 20,100 | $3.79M | 0.02% | +1,000+5.2% | Added |
| Andra AP-fonden | 19,900 | $3.76M | 0.08% | +2,500+14.4% | Added |
| Natixis Advisors, L.P. | 19,852 | $3.75M | 0.02% | +8,461+74.3% | Added |
| Profund Advisors LLC | 19,272 | $3.64M | 0.12% | −789−3.9% | Reduced |
| DnB Asset Management AS | 17,817 | $3.36M | 0.02% | −108−0.6% | Reduced |
| DCF Advisers, LLC | 17,500 | $3.30M | 1.80% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 16,888 | $3.19M | 0.04% | −5,481−24.5% | Reduced |
| Duality Advisers, LP | 16,804 | $3.17M | 0.24% | +16,804 | New |
| Public Employees Retirement Association of Colorado | 16,463 | $3.11M | 0.01% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 16,430 | $3.10M | 0.02% | +621+3.9% | Added |
| Marshall Wace, LLP | 16,427 | $3.10M | 0.02% | +16,427 | New |
| Edgestream Partners, L.P. | 16,421 | $3.10M | 0.19% | +4,740+40.6% | Added |
| Impax Asset Management Group plc | 16,312 | $3.08M | 0.01% | +66+0.4% | Added |
| IFM Investors Pty Ltd | 15,991 | $3.02M | 0.06% | +75+0.5% | Added |
| Mackenzie Financial Corp | 15,655 | $2.96M | 0.00% | +2,915+22.9% | Added |
| Jane Street Group, LLC | 15,602 | $2.94M | 0.01% | −44,299−74.0% | Reduced |
| The PNC Financial Services Group, Inc. | 15,503 | $2.93M | 0.00% | −499−3.1% | Reduced |
| Toronto Dominion Bank | 15,339 | $2.90M | 0.00% | −451−2.9% | Reduced |
| KBC Group NV | 14,849 | $2.80M | 0.01% | +827+5.9% | Added |
| CWM Advisors, LLC | 14,755 | $2.79M | 0.35% | +14,755 | New |
| Simplex Trading, LLC | 15,991 | $2.71M | 0.10% | +707+4.6% | Added |
| Quantitative Investment Management, LLC | 14,293 | $2.70M | 0.24% | −9,032−38.7% | Reduced |
| Stifel Financial Corp | 14,002 | $2.64M | 0.00% | −8,775−38.5% | Reduced |
| First Foundation Advisors | 13,864 | $2.62M | 0.10% | +1,035+8.1% | Added |
| Jefferies Group LLC | 13,444 | $2.54M | 0.06% | −3,096−18.7% | Reduced |
| Xponance, Inc. | 13,387 | $2.53M | 0.05% | −326−2.4% | Reduced |
| Nissay Asset Management Corp | 13,266 | $2.50M | 0.02% | +1,913+16.9% | Added |
| LPL Financial LLC | 13,102 | $2.47M | 0.00% | +2,858+27.9% | Added |
| Zeke Capital Advisors, LLC | 13,081 | $2.47M | 0.14% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 12,506 | $2.36M | 0.02% | +12,506 | New |
| Comerica Bank | 11,677 | $2.32M | 0.01% | −3,304−22.1% | Reduced |
| PointState Capital LP | 12,000 | $2.27M | 0.05% | +12,000 | New |
| Millennium Management LLC | 11,832 | $2.23M | 0.00% | +1,711+16.9% | Added |
| Group One Trading, L.P. | 11,786 | $2.23M | 0.05% | −796−6.3% | Reduced |
| Vident Investment Advisory, LLC | 11,280 | $2.13M | 0.06% | +889+8.6% | Added |
| Westwood Holdings Group Inc. | 11,128 | $2.10M | 0.02% | −169−1.5% | Reduced |
| Employees Retirement System of Texas | 11,018 | $2.08M | 0.02% | 00.0% | Unchanged |
| Westpac Banking Corp | 10,969 | $2.07M | 0.02% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 10,887 | $2.06M | 0.01% | −8,185−42.9% | Reduced |
| Standard Life Aberdeen plc | 10,785 | $2.04M | 0.00% | +683+6.8% | Added |
| APG Asset Management N.V. | 12,479 | $2.03M | 0.00% | −2,200−15.0% | Reduced |
| Ameriprise Financial Inc | 10,714 | $2.02M | 0.00% | −45,941−81.1% | Reduced |
| Cullen/Frost Bankers, Inc. | 10,549 | $1.99M | 0.04% | 00.0% | Unchanged |
| Raymond James Financial Services Advisors, Inc. | 10,313 | $1.95M | 0.00% | +528+5.4% | Added |
| Beacon Investment Advisory Services, Inc. | 9,281 | $1.75M | 0.07% | +346+3.9% | Added |
| Cookson Peirce & Co Inc | 9,228 | $1.74M | 0.11% | +9,228 | New |