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 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 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
- 401
- +11 vs. Q1 2021
- Shares held
- 112.3M
- +3.08M (+2.8%) vs. Q1 2021
- Total value
- $19.0B
- +$3.63B (+23.5%) vs. Q1 2021
- New holders
- 55
- 139 more added
- Sold out
- 44
- 133 more reduced
1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Russell Investments Group, Ltd. | 53,941 | $9.05M | 0.02% | −3,269−5.7% | Reduced |
| Asset Management One Co.,Ltd. | 52,946 | $8.97M | 0.03% | −1,848−3.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 52,291 | $8.86M | 0.08% | +75+0.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 51,655 | $8.76M | 0.03% | −24,006−31.7% | Reduced |
| Eversept Partners, LP | 51,136 | $8.67M | 0.80% | −29,801−36.8% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 49,664 | $8.42M | 0.05% | +21,603+77.0% | Added |
| Frontier Capital Management Co LLC | 45,822 | $7.77M | 0.06% | +45,822 | New |
| Rosenblum Silverman Sutton S F Inc | 43,441 | $7.36M | 1.66% | +546+1.3% | Added |
| Principal Financial Group Inc | 42,935 | $7.28M | 0.00% | +2,855+7.1% | Added |
| Royal London Asset Management Ltd | 42,392 | $7.18M | 0.03% | 00.0% | Unchanged |
| Bank of Montreal | 42,751 | $7.11M | 0.00% | +568+1.3% | Added |
| Nomura Asset Management Co Ltd | 41,809 | $7.09M | 0.04% | +1,195+2.9% | Added |
| Erste Asset Management GmbH | 42,600 | $7.07M | 0.14% | 00.0% | Unchanged |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 41,684 | $7.07M | 0.06% | +1,000+2.5% | Added |
| Eaton Vance Management | 41,491 | $7.03M | 0.01% | −4,378−9.5% | Reduced |
| Victory Capital Management Inc | 41,122 | $6.97M | 0.01% | −16,922−29.2% | Reduced |
| Aviva PLC | 39,823 | $6.75M | 0.03% | +1,396+3.6% | Added |
| Raymond James & Associates | 39,788 | $6.75M | 0.01% | +3,157+8.6% | Added |
| Canada Pension Plan Investment Board | 39,690 | $6.73M | 0.01% | −78,667−66.5% | Reduced |
| Citadel Advisors LLC | 38,949 | $6.60M | 0.01% | −84,277−68.4% | Reduced |
| Voya Investment Management LLC | 37,829 | $6.41M | 0.01% | −403−1.1% | Reduced |
| D. E. Shaw & Co., Inc. | 36,408 | $6.17M | 0.01% | −41,495−53.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 35,602 | $6.03M | 0.06% | −745−2.0% | Reduced |
| Novo Holdings A/S | 34,679 | $5.88M | 0.26% | +34,679 | New |
| Allianz Asset Management GmbH | 34,599 | $5.87M | 0.01% | −2,860−7.6% | Reduced |
| Arizona State Retirement System | 33,070 | $5.61M | 0.05% | −428−1.3% | Reduced |
| Worldquant Millennium Advisors LLC | 31,999 | $5.42M | 0.12% | +3,271+11.4% | Added |
| Envestnet Asset Management Inc | 30,005 | $5.09M | 0.00% | +3,378+12.7% | Added |
| Evolutionary Tree Capital Management, LLC | 29,870 | $5.06M | 2.34% | −11,667−28.1% | Reduced |
| AMP Capital Investors Ltd | 29,108 | $4.92M | 0.02% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,905 | $4.90M | 0.03% | +1,210+4.4% | Added |
| Taylor Wealth Management Partners | 28,540 | $4.84M | 1.71% | −1,073−3.6% | Reduced |
| Ararat Capital Management, LP | 28,343 | $4.80M | 2.25% | +2,553+9.9% | Added |
| HSBC Holdings PLC | 27,710 | $4.68M | 0.01% | −5,210−15.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 26,327 | $4.46M | 0.02% | −40.0% | Reduced |
| EFG Asset Management (Americas) Corp. | 26,187 | $4.44M | 0.82% | +1,747+7.1% | Added |
| Guggenheim Capital LLC | 25,937 | $4.40M | 0.03% | −3,501−11.9% | Reduced |
| NN Investment Partners Holdings N.V. | 25,826 | $4.38M | 0.02% | +6,362+32.7% | Added |
| ProShare Advisors LLC | 25,369 | $4.30M | 0.01% | +6,983+38.0% | Added |
| Integral Health Asset Management, LLC | 25,000 | $4.24M | 1.17% | −15,000−37.5% | Reduced |
| Korea Investment CORP | 24,400 | $4.14M | 0.01% | −200−0.8% | Reduced |
| SEI Investments Co | 23,833 | $4.12M | 0.01% | +4,618+24.0% | Added |
| Gulf International Bank (UK) Ltd | 23,611 | $4.00M | 0.05% | −150−0.6% | Reduced |
| Balyasny Asset Management LLC | 23,492 | $3.98M | 0.02% | −99,707−80.9% | Reduced |
| ExodusPoint Capital Management, LP | 23,458 | $3.98M | 0.06% | +696+3.1% | Added |
| Quantitative Investment Management, LLC | 23,325 | $3.95M | 0.36% | +7,474+47.2% | Added |
| Stifel Financial Corp | 22,777 | $3.86M | 0.01% | +2,530+12.5% | Added |
| Cubist Systematic Strategies, LLC | 22,369 | $3.79M | 0.04% | +21,318+2,028.4% | Added |
| Utah Retirement Systems | 22,272 | $3.77M | 0.05% | +100+0.5% | Added |
| British Columbia Investment Management Corp | 21,662 | $3.67M | 0.02% | +2,639+13.9% | Added |
| Profund Advisors LLC | 20,061 | $3.40M | 0.11% | −552−2.7% | Reduced |
| BNP Paribas Arbitrage, SA | 20,037 | $3.40M | 0.01% | −3,958−16.5% | Reduced |
| Handelsbanken Fonder AB | 19,100 | $3.24M | 0.02% | −1,200−5.9% | Reduced |
| SG Americas Securities, LLC | 19,072 | $3.23M | 0.02% | +16,386+610.1% | Added |
| Schonfeld Strategic Advisors LLC | 18,968 | $3.22M | 0.04% | +10,868+134.2% | Added |
| UBS Group AG | 18,649 | $3.16M | 0.00% | −2,573−12.1% | Reduced |
| ETF Managers Group, LLC | 18,880 | $3.13M | 0.05% | −7,892−29.5% | Reduced |
| DnB Asset Management AS | 17,925 | $3.04M | 0.02% | −5,461−23.4% | Reduced |
| Twinbeech Capital LP | 17,916 | $3.04M | 0.37% | +17,916 | New |
| DCF Advisers, LLC | 17,500 | $2.97M | 1.49% | −2,500−12.5% | Reduced |
| Comerica Bank | 14,981 | $2.95M | 0.02% | −196−1.3% | Reduced |
| Andra AP-fonden | 17,400 | $2.95M | 0.06% | +1,400+8.8% | Added |
| Jefferies Group LLC | 16,540 | $2.80M | 0.05% | +16,540 | New |
| Twin Tree Management, LP | 16,500 | $2.80M | 0.08% | +16,500 | New |
| Public Employees Retirement Association of Colorado | 16,463 | $2.79M | 0.01% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 16,246 | $2.75M | 0.01% | +10.0% | Added |
| Royal Bank of Canada | 16,128 | $2.73M | 0.00% | −71−0.4% | Reduced |
| The PNC Financial Services Group, Inc. | 16,002 | $2.71M | 0.00% | +107+0.7% | Added |
| Engineers Gate Manager LP | 15,964 | $2.71M | 0.17% | +13,054+448.6% | Added |
| IFM Investors Pty Ltd | 15,916 | $2.70M | 0.06% | +3,503+28.2% | Added |
| Rafferty Asset Management, LLC | 15,809 | $2.68M | 0.02% | −7,619−32.5% | Reduced |
| Toronto Dominion Bank | 15,790 | $2.68M | 0.00% | +97+0.6% | Added |
| Simplex Trading, LLC | 15,284 | $2.59M | 0.09% | +898+6.2% | Added |
| Teacher Retirement System of Texas | 15,116 | $2.56M | 0.01% | +2,275+17.7% | Added |
| PEAK6 Investments LLC | 14,820 | $2.51M | 0.07% | +14,820 | New |
| KBC Group NV | 14,022 | $2.38M | 0.01% | +4,453+46.5% | Added |
| Xponance, Inc. | 13,713 | $2.33M | 0.04% | +1,658+13.8% | Added |
| Forsta Ap-Fonden | 13,400 | $2.27M | 0.03% | −11,600−46.4% | Reduced |
| Nisa Investment Advisors, LLC | 13,112 | $2.22M | 0.01% | −17,900−57.7% | Reduced |
| Pinpoint Asset Management Ltd | 13,100 | $2.22M | 0.54% | +4,100+45.6% | Added |
| Zeke Capital Advisors, LLC | 13,081 | $2.22M | 0.14% | +13,081 | New |
| First Foundation Advisors | 12,829 | $2.17M | 0.08% | +1,155+9.9% | Added |
| Mackenzie Financial Corp | 12,740 | $2.16M | 0.00% | +1,651+14.9% | Added |
| Group One Trading, L.P. | 12,582 | $2.13M | 0.04% | −25,416−66.9% | Reduced |
| APG Asset Management N.V. | 14,679 | $2.10M | 0.00% | −224,256−93.9% | Reduced |
| CWM, LLC | 11,896 | $2.02M | 0.02% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 11,725 | $1.99M | 0.00% | −6,458−35.5% | Reduced |
| Edgestream Partners, L.P. | 11,681 | $1.98M | 0.12% | +11,681 | New |
| Natixis Advisors, L.P. | 11,391 | $1.93M | 0.01% | +11,391 | New |
| Nissay Asset Management Corp | 11,353 | $1.93M | 0.02% | +270+2.4% | Added |
| Westwood Holdings Group Inc. | 11,297 | $1.92M | 0.02% | +11,297 | New |
| Exchange Traded Concepts, LLC | 11,088 | $1.88M | 0.06% | +344+3.2% | Added |
| Employees Retirement System of Texas | 11,018 | $1.87M | 0.02% | 00.0% | Unchanged |
| Westpac Banking Corp | 10,969 | $1.86M | 0.02% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 10,549 | $1.79M | 0.04% | −1,176−10.0% | Reduced |
| Vident Investment Advisory, LLC | 10,391 | $1.76M | 0.05% | −1,206−10.4% | Reduced |
| LPL Financial LLC | 10,244 | $1.74M | 0.00% | +1,143+12.6% | Added |
| Millennium Management LLC | 10,121 | $1.72M | 0.00% | −65,659−86.6% | Reduced |
| Standard Life Aberdeen plc | 10,102 | $1.71M | 0.00% | −2,043−16.8% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 9,785 | $1.66M | 0.00% | +2,583+35.9% | Added |