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 |
|---|---|---|---|---|---|
| Seeyond | 9,755 | $1.65M | 0.15% | +44+0.5% | Added |
| Raymond James Financial Services Advisors, Inc. | 9,785 | $1.66M | 0.00% | +2,583+35.9% | Added |
| Standard Life Aberdeen plc | 10,102 | $1.71M | 0.00% | −2,043−16.8% | Reduced |
| Millennium Management LLC | 10,121 | $1.72M | 0.00% | −65,659−86.6% | Reduced |
| LPL Financial LLC | 10,244 | $1.74M | 0.00% | +1,143+12.6% | Added |
| Vident Investment Advisory, LLC | 10,391 | $1.76M | 0.05% | −1,206−10.4% | Reduced |
| Cullen/Frost Bankers, Inc. | 10,549 | $1.79M | 0.04% | −1,176−10.0% | Reduced |
| Westpac Banking Corp | 10,969 | $1.86M | 0.02% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 11,018 | $1.87M | 0.02% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 11,088 | $1.88M | 0.06% | +344+3.2% | Added |
| Westwood Holdings Group Inc. | 11,297 | $1.92M | 0.02% | +11,297 | New |
| Nissay Asset Management Corp | 11,353 | $1.93M | 0.02% | +270+2.4% | Added |
| Natixis Advisors, L.P. | 11,391 | $1.93M | 0.01% | +11,391 | New |
| Edgestream Partners, L.P. | 11,681 | $1.98M | 0.12% | +11,681 | New |
| Janus Henderson Group PLC | 11,725 | $1.99M | 0.00% | −6,458−35.5% | Reduced |
| CWM, LLC | 11,896 | $2.02M | 0.02% | 00.0% | Unchanged |
| APG Asset Management N.V. | 14,679 | $2.10M | 0.00% | −224,256−93.9% | Reduced |
| Group One Trading, L.P. | 12,582 | $2.13M | 0.04% | −25,416−66.9% | Reduced |
| Mackenzie Financial Corp | 12,740 | $2.16M | 0.00% | +1,651+14.9% | Added |
| First Foundation Advisors | 12,829 | $2.17M | 0.08% | +1,155+9.9% | Added |
| Zeke Capital Advisors, LLC | 13,081 | $2.22M | 0.14% | +13,081 | New |
| Pinpoint Asset Management Ltd | 13,100 | $2.22M | 0.54% | +4,100+45.6% | Added |
| Nisa Investment Advisors, LLC | 13,112 | $2.22M | 0.01% | −17,900−57.7% | Reduced |
| Forsta Ap-Fonden | 13,400 | $2.27M | 0.03% | −11,600−46.4% | Reduced |
| Xponance, Inc. | 13,713 | $2.33M | 0.04% | +1,658+13.8% | Added |
| KBC Group NV | 14,022 | $2.38M | 0.01% | +4,453+46.5% | Added |
| PEAK6 Investments LLC | 14,820 | $2.51M | 0.07% | +14,820 | New |
| Teacher Retirement System of Texas | 15,116 | $2.56M | 0.01% | +2,275+17.7% | Added |
| Simplex Trading, LLC | 15,284 | $2.59M | 0.09% | +898+6.2% | Added |
| Toronto Dominion Bank | 15,790 | $2.68M | 0.00% | +97+0.6% | Added |
| Rafferty Asset Management, LLC | 15,809 | $2.68M | 0.02% | −7,619−32.5% | Reduced |
| IFM Investors Pty Ltd | 15,916 | $2.70M | 0.06% | +3,503+28.2% | Added |
| Engineers Gate Manager LP | 15,964 | $2.71M | 0.17% | +13,054+448.6% | Added |
| The PNC Financial Services Group, Inc. | 16,002 | $2.71M | 0.00% | +107+0.7% | Added |
| Royal Bank of Canada | 16,128 | $2.73M | 0.00% | −71−0.4% | Reduced |
| Impax Asset Management Group plc | 16,246 | $2.75M | 0.01% | +10.0% | Added |
| Public Employees Retirement Association of Colorado | 16,463 | $2.79M | 0.01% | 00.0% | Unchanged |
| Twin Tree Management, LP | 16,500 | $2.80M | 0.08% | +16,500 | New |
| Jefferies Group LLC | 16,540 | $2.80M | 0.05% | +16,540 | New |
| Andra AP-fonden | 17,400 | $2.95M | 0.06% | +1,400+8.8% | Added |
| Comerica Bank | 14,981 | $2.95M | 0.02% | −196−1.3% | Reduced |
| DCF Advisers, LLC | 17,500 | $2.97M | 1.49% | −2,500−12.5% | Reduced |
| Twinbeech Capital LP | 17,916 | $3.04M | 0.37% | +17,916 | New |
| DnB Asset Management AS | 17,925 | $3.04M | 0.02% | −5,461−23.4% | Reduced |
| ETF Managers Group, LLC | 18,880 | $3.13M | 0.05% | −7,892−29.5% | Reduced |
| UBS Group AG | 18,649 | $3.16M | 0.00% | −2,573−12.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 18,968 | $3.22M | 0.04% | +10,868+134.2% | Added |
| SG Americas Securities, LLC | 19,072 | $3.23M | 0.02% | +16,386+610.1% | Added |
| Handelsbanken Fonder AB | 19,100 | $3.24M | 0.02% | −1,200−5.9% | Reduced |
| BNP Paribas Arbitrage, SA | 20,037 | $3.40M | 0.01% | −3,958−16.5% | Reduced |
| Profund Advisors LLC | 20,061 | $3.40M | 0.11% | −552−2.7% | Reduced |
| British Columbia Investment Management Corp | 21,662 | $3.67M | 0.02% | +2,639+13.9% | Added |
| Utah Retirement Systems | 22,272 | $3.77M | 0.05% | +100+0.5% | Added |
| Cubist Systematic Strategies, LLC | 22,369 | $3.79M | 0.04% | +21,318+2,028.4% | Added |
| Stifel Financial Corp | 22,777 | $3.86M | 0.01% | +2,530+12.5% | Added |
| Quantitative Investment Management, LLC | 23,325 | $3.95M | 0.36% | +7,474+47.2% | Added |
| ExodusPoint Capital Management, LP | 23,458 | $3.98M | 0.06% | +696+3.1% | Added |
| Balyasny Asset Management LLC | 23,492 | $3.98M | 0.02% | −99,707−80.9% | Reduced |
| Gulf International Bank (UK) Ltd | 23,611 | $4.00M | 0.05% | −150−0.6% | Reduced |
| SEI Investments Co | 23,833 | $4.12M | 0.01% | +4,618+24.0% | Added |
| Korea Investment CORP | 24,400 | $4.14M | 0.01% | −200−0.8% | Reduced |
| Integral Health Asset Management, LLC | 25,000 | $4.24M | 1.17% | −15,000−37.5% | Reduced |
| ProShare Advisors LLC | 25,369 | $4.30M | 0.01% | +6,983+38.0% | Added |
| NN Investment Partners Holdings N.V. | 25,826 | $4.38M | 0.02% | +6,362+32.7% | Added |
| Guggenheim Capital LLC | 25,937 | $4.40M | 0.03% | −3,501−11.9% | Reduced |
| EFG Asset Management (Americas) Corp. | 26,187 | $4.44M | 0.82% | +1,747+7.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 26,327 | $4.46M | 0.02% | −40.0% | Reduced |
| HSBC Holdings PLC | 27,710 | $4.68M | 0.01% | −5,210−15.8% | Reduced |
| Ararat Capital Management, LP | 28,343 | $4.80M | 2.25% | +2,553+9.9% | Added |
| Taylor Wealth Management Partners | 28,540 | $4.84M | 1.71% | −1,073−3.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 28,905 | $4.90M | 0.03% | +1,210+4.4% | Added |
| AMP Capital Investors Ltd | 29,108 | $4.92M | 0.02% | 00.0% | Unchanged |
| Evolutionary Tree Capital Management, LLC | 29,870 | $5.06M | 2.34% | −11,667−28.1% | Reduced |
| Envestnet Asset Management Inc | 30,005 | $5.09M | 0.00% | +3,378+12.7% | Added |
| Worldquant Millennium Advisors LLC | 31,999 | $5.42M | 0.12% | +3,271+11.4% | Added |
| Arizona State Retirement System | 33,070 | $5.61M | 0.05% | −428−1.3% | Reduced |
| Allianz Asset Management GmbH | 34,599 | $5.87M | 0.01% | −2,860−7.6% | Reduced |
| Novo Holdings A/S | 34,679 | $5.88M | 0.26% | +34,679 | New |
| Federation des caisses Desjardins du Quebec | 35,602 | $6.03M | 0.06% | −745−2.0% | Reduced |
| D. E. Shaw & Co., Inc. | 36,408 | $6.17M | 0.01% | −41,495−53.3% | Reduced |
| Voya Investment Management LLC | 37,829 | $6.41M | 0.01% | −403−1.1% | Reduced |
| Citadel Advisors LLC | 38,949 | $6.60M | 0.01% | −84,277−68.4% | Reduced |
| Canada Pension Plan Investment Board | 39,690 | $6.73M | 0.01% | −78,667−66.5% | Reduced |
| Raymond James & Associates | 39,788 | $6.75M | 0.01% | +3,157+8.6% | Added |
| Aviva PLC | 39,823 | $6.75M | 0.03% | +1,396+3.6% | Added |
| Victory Capital Management Inc | 41,122 | $6.97M | 0.01% | −16,922−29.2% | Reduced |
| Eaton Vance Management | 41,491 | $7.03M | 0.01% | −4,378−9.5% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 41,684 | $7.07M | 0.06% | +1,000+2.5% | Added |
| Erste Asset Management GmbH | 42,600 | $7.07M | 0.14% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 41,809 | $7.09M | 0.04% | +1,195+2.9% | Added |
| Bank of Montreal | 42,751 | $7.11M | 0.00% | +568+1.3% | Added |
| Royal London Asset Management Ltd | 42,392 | $7.18M | 0.03% | 00.0% | Unchanged |
| Principal Financial Group Inc | 42,935 | $7.28M | 0.00% | +2,855+7.1% | Added |
| Rosenblum Silverman Sutton S F Inc | 43,441 | $7.36M | 1.66% | +546+1.3% | Added |
| Frontier Capital Management Co LLC | 45,822 | $7.77M | 0.06% | +45,822 | New |
| Skandinaviska Enskilda Banken AB (publ) | 49,664 | $8.42M | 0.05% | +21,603+77.0% | Added |
| Eversept Partners, LP | 51,136 | $8.67M | 0.80% | −29,801−36.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 51,655 | $8.76M | 0.03% | −24,006−31.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 52,291 | $8.86M | 0.08% | +75+0.1% | Added |
| Asset Management One Co.,Ltd. | 52,946 | $8.97M | 0.03% | −1,848−3.4% | Reduced |