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 |
|---|---|---|---|---|---|
| MML Investors Services, LLC | 8,229 | $1.55M | 0.01% | +562+7.3% | Added |
| Daiwa Securities Group Inc. | 8,495 | $1.60M | 0.01% | +2,697+46.5% | Added |
| Maryland State Retirement & Pension System | 8,827 | $1.62M | 0.05% | 00.0% | Unchanged |
| US Bancorp | 8,591 | $1.62M | 0.00% | +108+1.3% | Added |
| AtonRa Partners | 8,684 | $1.64M | 0.55% | +587+7.2% | Added |
| Exchange Traded Concepts, LLC | 9,091 | $1.72M | 0.04% | −1,997−18.0% | Reduced |
| Tobam | 9,194 | $1.74M | 0.07% | +537+6.2% | Added |
| Cookson Peirce & Co Inc | 9,228 | $1.74M | 0.11% | +9,228 | New |
| Beacon Investment Advisory Services, Inc. | 9,281 | $1.75M | 0.07% | +346+3.9% | Added |
| Raymond James Financial Services Advisors, Inc. | 10,313 | $1.95M | 0.00% | +528+5.4% | Added |
| Cullen/Frost Bankers, Inc. | 10,549 | $1.99M | 0.04% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 10,714 | $2.02M | 0.00% | −45,941−81.1% | Reduced |
| APG Asset Management N.V. | 12,479 | $2.03M | 0.00% | −2,200−15.0% | Reduced |
| Standard Life Aberdeen plc | 10,785 | $2.04M | 0.00% | +683+6.8% | Added |
| SG Americas Securities, LLC | 10,887 | $2.06M | 0.01% | −8,185−42.9% | Reduced |
| Westpac Banking Corp | 10,969 | $2.07M | 0.02% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 11,018 | $2.08M | 0.02% | 00.0% | Unchanged |
| Westwood Holdings Group Inc. | 11,128 | $2.10M | 0.02% | −169−1.5% | Reduced |
| Vident Investment Advisory, LLC | 11,280 | $2.13M | 0.06% | +889+8.6% | Added |
| Group One Trading, L.P. | 11,786 | $2.23M | 0.05% | −796−6.3% | Reduced |
| Millennium Management LLC | 11,832 | $2.23M | 0.00% | +1,711+16.9% | Added |
| PointState Capital LP | 12,000 | $2.27M | 0.05% | +12,000 | New |
| Comerica Bank | 11,677 | $2.32M | 0.01% | −3,304−22.1% | Reduced |
| Voloridge Investment Management, LLC | 12,506 | $2.36M | 0.02% | +12,506 | New |
| Zeke Capital Advisors, LLC | 13,081 | $2.47M | 0.14% | 00.0% | Unchanged |
| LPL Financial LLC | 13,102 | $2.47M | 0.00% | +2,858+27.9% | Added |
| Nissay Asset Management Corp | 13,266 | $2.50M | 0.02% | +1,913+16.9% | Added |
| Xponance, Inc. | 13,387 | $2.53M | 0.05% | −326−2.4% | Reduced |
| Jefferies Group LLC | 13,444 | $2.54M | 0.06% | −3,096−18.7% | Reduced |
| First Foundation Advisors | 13,864 | $2.62M | 0.10% | +1,035+8.1% | Added |
| Stifel Financial Corp | 14,002 | $2.64M | 0.00% | −8,775−38.5% | Reduced |
| Quantitative Investment Management, LLC | 14,293 | $2.70M | 0.24% | −9,032−38.7% | Reduced |
| Simplex Trading, LLC | 15,991 | $2.71M | 0.10% | +707+4.6% | Added |
| CWM Advisors, LLC | 14,755 | $2.79M | 0.35% | +14,755 | New |
| KBC Group NV | 14,849 | $2.80M | 0.01% | +827+5.9% | Added |
| Toronto Dominion Bank | 15,339 | $2.90M | 0.00% | −451−2.9% | Reduced |
| The PNC Financial Services Group, Inc. | 15,503 | $2.93M | 0.00% | −499−3.1% | Reduced |
| Jane Street Group, LLC | 15,602 | $2.94M | 0.01% | −44,299−74.0% | Reduced |
| Mackenzie Financial Corp | 15,655 | $2.96M | 0.00% | +2,915+22.9% | Added |
| IFM Investors Pty Ltd | 15,991 | $3.02M | 0.06% | +75+0.5% | Added |
| Impax Asset Management Group plc | 16,312 | $3.08M | 0.01% | +66+0.4% | Added |
| Edgestream Partners, L.P. | 16,421 | $3.10M | 0.19% | +4,740+40.6% | Added |
| 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 |
| Public Employees Retirement Association of Colorado | 16,463 | $3.11M | 0.01% | 00.0% | Unchanged |
| Duality Advisers, LP | 16,804 | $3.17M | 0.24% | +16,804 | New |
| Cubist Systematic Strategies, LLC | 16,888 | $3.19M | 0.04% | −5,481−24.5% | Reduced |
| DCF Advisers, LLC | 17,500 | $3.30M | 1.80% | 00.0% | Unchanged |
| DnB Asset Management AS | 17,817 | $3.36M | 0.02% | −108−0.6% | Reduced |
| Profund Advisors LLC | 19,272 | $3.64M | 0.12% | −789−3.9% | Reduced |
| Natixis Advisors, L.P. | 19,852 | $3.75M | 0.02% | +8,461+74.3% | Added |
| Andra AP-fonden | 19,900 | $3.76M | 0.08% | +2,500+14.4% | Added |
| Handelsbanken Fonder AB | 20,100 | $3.79M | 0.02% | +1,000+5.2% | Added |
| Citadel Advisors LLC | 20,879 | $3.94M | 0.00% | −18,070−46.4% | Reduced |
| Utah Retirement Systems | 21,472 | $4.05M | 0.05% | −800−3.6% | Reduced |
| Janus Henderson Group PLC | 21,577 | $4.08M | 0.00% | +9,852+84.0% | Added |
| British Columbia Investment Management Corp | 21,659 | $4.09M | 0.02% | −30.0% | Reduced |
| UBS Group AG | 22,192 | $4.19M | 0.00% | +3,543+19.0% | Added |
| 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 |
| Gulf International Bank (UK) Ltd | 23,611 | $4.46M | 0.06% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 23,844 | $4.50M | 0.03% | −2,093−8.1% | Reduced |
| ETF Managers Group, LLC | 25,702 | $4.56M | 0.09% | +6,822+36.1% | Added |
| SEI Investments Co | 24,062 | $4.61M | 0.01% | +229+1.0% | Added |
| Royal Bank of Canada | 24,592 | $4.64M | 0.00% | +8,464+52.5% | Added |
| 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 |
| AMP Capital Investors Ltd | 25,424 | $4.80M | 0.03% | −3,684−12.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 27,101 | $5.12M | 0.03% | +774+2.9% | Added |
| Taylor Wealth Management Partners | 27,829 | $5.25M | 1.87% | −711−2.5% | Reduced |
| ProShare Advisors LLC | 28,207 | $5.33M | 0.01% | +2,838+11.2% | Added |
| Tudor Investment Corp Et Al | 28,253 | $5.33M | 0.11% | +28,253 | New |
| HSBC Holdings PLC | 28,714 | $5.35M | 0.01% | +1,004+3.6% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,632 | $5.41M | 0.03% | −273−0.9% | Reduced |
| Ararat Capital Management, LP | 28,985 | $5.47M | 1.93% | +642+2.3% | Added |
| Teacher Retirement System of Texas | 29,435 | $5.56M | 0.03% | +14,319+94.7% | Added |
| Nisa Investment Advisors, LLC | 30,527 | $5.76M | 0.03% | +17,415+132.8% | Added |
| HRT Financial LP | 30,777 | $5.81M | 0.04% | +24,261+372.3% | Added |
| NN Investment Partners Holdings N.V. | 31,296 | $5.91M | 0.03% | +5,470+21.2% | Added |
| Envestnet Asset Management Inc | 31,485 | $5.94M | 0.00% | +1,480+4.9% | Added |
| Karani Asset Management LLC | 32,489 | $6.13M | 2.98% | +32,489 | New |
| Arizona State Retirement System | 32,988 | $6.23M | 0.05% | −82−0.2% | Reduced |
| D. E. Shaw & Co., Inc. | 33,063 | $6.24M | 0.01% | −3,345−9.2% | Reduced |
| Federation des caisses Desjardins du Quebec | 34,015 | $6.42M | 0.07% | −1,587−4.5% | Reduced |
| Erste Asset Management GmbH | 36,800 | $6.53M | 0.13% | −5,800−13.6% | Reduced |
| Aviva PLC | 36,252 | $6.84M | 0.03% | −3,571−9.0% | Reduced |
| Voya Investment Management LLC | 37,479 | $7.08M | 0.01% | −350−0.9% | Reduced |
| Principal Financial Group Inc | 38,640 | $7.30M | 0.00% | −4,295−10.0% | Reduced |
| Raymond James & Associates | 39,701 | $7.50M | 0.01% | −87−0.2% | Reduced |
| Balyasny Asset Management LLC | 40,144 | $7.58M | 0.04% | +16,652+70.9% | Added |
| SG3 Management, LLC | 40,250 | $7.60M | 2.70% | +35,250+705.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 40,884 | $7.72M | 0.07% | −800−1.9% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 41,289 | $7.80M | 0.04% | −8,375−16.9% | Reduced |
| Royal London Asset Management Ltd | 41,280 | $7.80M | 0.03% | −1,112−2.6% | Reduced |
| DekaBank Deutsche Girozentrale | 44,436 | $7.90M | 0.02% | −29,155−39.6% | Reduced |
| Nomura Asset Management Co Ltd | 42,824 | $8.09M | 0.05% | +1,015+2.4% | Added |
| Rosenblum Silverman Sutton S F Inc | 43,024 | $8.12M | 1.86% | −417−1.0% | Reduced |
| Eaton Vance Management | 44,009 | $8.29M | 0.01% | +2,518+6.1% | Added |
| Susquehanna International Group, LLP | 44,393 | $8.38M | 0.01% | −63,788−59.0% | Reduced |
| Driehaus Capital Management LLC | 44,502 | $8.40M | 0.10% | +41,723+1,501.4% | Added |