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, Q4 2021
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Dec 31, 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
- 435
- +36 vs. Q3 2021
- Shares held
- 112.1M
- +547.7K (+0.5%) vs. Q3 2021
- Total value
- $19.0B
- −$2.05B (−9.7%) vs. Q3 2021
- New holders
- 77
- 156 more added
- Sold out
- 41
- 132 more reduced
8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Driehaus Capital Management LLC | 63,011 | $10.7M | 0.11% | +18,509+41.6% | Added |
| Voya Investment Management LLC | 58,727 | $9.96M | 0.02% | +21,248+56.7% | Added |
| Teachers Retirement System of the State of Kentucky | 58,126 | $9.86M | 0.09% | +5,835+11.2% | Added |
| Parkman Healthcare Partners LLC | 57,682 | $9.78M | 2.21% | −17,285−23.1% | Reduced |
| Victory Capital Management Inc | 56,362 | $9.56M | 0.01% | +484+0.9% | Added |
| DekaBank Deutsche Girozentrale | 56,279 | $9.54M | 0.02% | +11,843+26.7% | Added |
| Canada Pension Plan Investment Board | 56,137 | $9.52M | 0.01% | −35,151−38.5% | Reduced |
| Storebrand Asset Management AS | 52,855 | $8.96M | 0.04% | −452−0.8% | Reduced |
| Asset Management One Co.,Ltd. | 52,312 | $8.90M | 0.03% | −336−0.6% | Reduced |
| Great West Life Assurance Co | 51,477 | $8.71M | 0.02% | −15,739−23.4% | Reduced |
| Allianz Asset Management GmbH | 51,064 | $8.67M | 0.01% | −4,490−8.1% | Reduced |
| 683 Capital Management, LLC | 49,000 | $8.31M | 0.40% | 00.0% | Unchanged |
| Skandinaviska Enskilda Banken AB (publ) | 46,489 | $7.95M | 0.04% | +5,200+12.6% | Added |
| D. E. Shaw & Co., Inc. | 46,340 | $7.86M | 0.01% | +13,277+40.2% | Added |
| Wells Fargo & Company | 45,167 | $7.66M | 0.00% | −91,083−66.8% | Reduced |
| Raymond James & Associates | 43,503 | $7.38M | 0.01% | +3,802+9.6% | Added |
| Eaton Vance Management | 43,335 | $7.35M | 0.01% | −674−1.5% | Reduced |
| Macquarie Group Ltd | 43,115 | $7.31M | 0.01% | −10,478−19.6% | Reduced |
| Rosenblum Silverman Sutton S F Inc | 42,359 | $7.18M | 1.62% | −665−1.5% | Reduced |
| Lord, Abbett & Co. LLC | 42,000 | $7.12M | 0.02% | −238,000−85.0% | Reduced |
| HSBC Holdings PLC | 41,340 | $7.02M | 0.01% | +12,626+44.0% | Added |
| Ensign Peak Advisors, Inc | 40,760 | $6.91M | 0.01% | −127,839−75.8% | Reduced |
| Bank of Montreal | 39,484 | $6.85M | 0.00% | −13,857−26.0% | Reduced |
| Royal London Asset Management Ltd | 40,303 | $6.84M | 0.03% | −977−2.4% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 39,915 | $6.77M | 0.06% | −969−2.4% | Reduced |
| Aviva PLC | 38,217 | $6.48M | 0.03% | +1,965+5.4% | Added |
| Erste Asset Management GmbH | 36,800 | $6.26M | 0.11% | 00.0% | Unchanged |
| Logos Global Management LP | 35,000 | $5.93M | 0.61% | +35,000 | New |
| Karani Asset Management LLC | 34,675 | $5.88M | 2.91% | +2,186+6.7% | Added |
| Envestnet Asset Management Inc | 34,313 | $5.82M | 0.00% | +2,828+9.0% | Added |
| Federation des caisses Desjardins du Quebec | 32,446 | $5.50M | 0.05% | −1,569−4.6% | Reduced |
| Arizona State Retirement System | 32,359 | $5.49M | 0.04% | −629−1.9% | Reduced |
| Jefferies Group LLC | 31,959 | $5.42M | 0.10% | +18,515+137.7% | Added |
| Rafferty Asset Management, LLC | 31,945 | $5.42M | 0.03% | +15,515+94.4% | Added |
| Prosight Management, LP | 31,907 | $5.41M | 3.60% | +31,907 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 29,719 | $5.17M | 0.02% | +1,087+3.8% | Added |
| Principal Financial Group Inc | 30,022 | $5.09M | 0.00% | −8,618−22.3% | Reduced |
| PointState Capital LP | 30,000 | $5.09M | 0.16% | +18,000+150.0% | Added |
| Ghost Tree Capital, LLC | 30,000 | $5.09M | 1.95% | +30,000 | New |
| Andra AP-fonden | 28,400 | $4.82M | 0.10% | +8,500+42.7% | Added |
| Royal Bank of Canada | 28,201 | $4.78M | 0.00% | +3,609+14.7% | Added |
| Taylor Wealth Management Partners | 27,133 | $4.60M | 1.62% | −696−2.5% | Reduced |
| Brown Advisory Inc | 26,578 | $4.51M | 0.01% | +26,578 | New |
| Guggenheim Capital LLC | 26,305 | $4.46M | 0.02% | +2,461+10.3% | Added |
| SEI Investments Co | 25,441 | $4.42M | 0.01% | +1,379+5.7% | Added |
| Allspring Global Investments Holdings, LLC | 25,847 | $4.38M | 0.00% | +25,847 | New |
| Novo Holdings A/S | 25,000 | $4.24M | 0.20% | 00.0% | Unchanged |
| Brookfield Asset Management Inc. | 24,352 | $4.13M | 0.02% | +24,352 | New |
| Tudor Investment Corp Et Al | 24,057 | $4.08M | 0.08% | −4,196−14.9% | Reduced |
| Forsta Ap-Fonden | 23,800 | $4.04M | 0.04% | +500+2.1% | Added |
| Toronto Dominion Bank | 23,428 | $3.97M | 0.01% | +8,089+52.7% | Added |
| Teacher Retirement System of Texas | 22,638 | $3.84M | 0.02% | −6,797−23.1% | Reduced |
| Nomura Holdings Inc | 22,403 | $3.81M | 0.02% | +20,674+1,195.7% | Added |
| ETF Managers Group, LLC | 22,279 | $3.81M | 0.08% | −3,423−13.3% | Reduced |
| LMR Partners LLP | 22,228 | $3.77M | 0.05% | +22,228 | New |
| Edgestream Partners, L.P. | 21,987 | $3.73M | 0.23% | +5,566+33.9% | Added |
| Utah Retirement Systems | 21,472 | $3.64M | 0.04% | 00.0% | Unchanged |
| Group One Trading, L.P. | 21,142 | $3.58M | 0.07% | +9,356+79.4% | Added |
| British Columbia Investment Management Corp | 20,948 | $3.55M | 0.02% | −711−3.3% | Reduced |
| Integral Health Asset Management, LLC | 20,000 | $3.39M | 0.95% | −5,000−20.0% | Reduced |
| Varma Mutual Pension Insurance Co | 20,000 | $3.39M | 0.05% | +20,000 | New |
| Gulf International Bank (UK) Ltd | 19,911 | $3.38M | 0.05% | −3,700−15.7% | Reduced |
| ProShare Advisors LLC | 19,846 | $3.37M | 0.01% | −8,361−29.6% | Reduced |
| DnB Asset Management AS | 19,487 | $3.30M | 0.02% | +1,670+9.4% | Added |
| CWM Advisors, LLC | 18,536 | $3.14M | 0.36% | +3,781+25.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 18,265 | $3.10M | 0.01% | −8,836−32.6% | Reduced |
| Goldstream Capital Management Ltd | 18,096 | $3.07M | 0.75% | +18,096 | New |
| Westwood Holdings Group Inc. | 18,056 | $3.06M | 0.03% | +6,928+62.3% | Added |
| DCF Advisers, LLC | 18,000 | $3.05M | 1.54% | +500+2.9% | Added |
| Cubist Systematic Strategies, LLC | 17,666 | $3.00M | 0.03% | +778+4.6% | Added |
| Mackenzie Financial Corp | 17,411 | $2.95M | 0.00% | +1,756+11.2% | Added |
| SG3 Management, LLC | 17,000 | $2.88M | 0.29% | −23,250−57.8% | Reduced |
| Banque Pictet & Cie SA | 16,481 | $2.79M | 0.02% | +16,481 | New |
| Public Employees Retirement Association of Colorado | 16,463 | $2.79M | 0.01% | 00.0% | Unchanged |
| Profund Advisors LLC | 16,446 | $2.79M | 0.09% | −2,826−14.7% | Reduced |
| IFM Investors Pty Ltd | 15,932 | $2.70M | 0.05% | −59−0.4% | Reduced |
| LPL Financial LLC | 15,894 | $2.69M | 0.00% | +2,792+21.3% | Added |
| The PNC Financial Services Group, Inc. | 15,509 | $2.63M | 0.00% | +60.0% | Added |
| Stifel Financial Corp | 14,676 | $2.49M | 0.00% | +674+4.8% | Added |
| First Foundation Advisors | 14,464 | $2.45M | 0.08% | +600+4.3% | Added |
| Zeke Capital Advisors, LLC | 14,355 | $2.43M | 0.14% | +1,274+9.7% | Added |
| Nissay Asset Management Corp | 13,637 | $2.31M | 0.02% | +371+2.8% | Added |
| Xponance, Inc. | 13,396 | $2.27M | 0.04% | +9+0.1% | Added |
| Natixis Advisors, L.P. | 12,523 | $2.12M | 0.01% | −7,329−36.9% | Reduced |
| Ameriprise Financial Inc | 12,537 | $2.07M | 0.00% | +1,823+17.0% | Added |
| Duality Advisers, LP | 12,173 | $2.06M | 0.22% | −4,631−27.6% | Reduced |
| CWM, LLC | 11,998 | $2.04M | 0.01% | +11,998 | New |
| Cutler Group LP | 11,582 | $1.96M | 0.13% | +11,582 | New |
| Standard Life Aberdeen plc | 11,167 | $1.89M | 0.00% | +382+3.5% | Added |
| Employees Retirement System of Texas | 11,018 | $1.87M | 0.02% | 00.0% | Unchanged |
| Beacon Investment Advisory Services, Inc. | 11,013 | $1.87M | 0.07% | +1,732+18.7% | Added |
| Allstate Corp | 10,859 | $1.84M | 0.04% | +5,490+102.3% | Added |
| Raymond James Financial Services Advisors, Inc. | 10,833 | $1.84M | 0.00% | +520+5.0% | Added |
| Cullen/Frost Bankers, Inc. | 10,549 | $1.79M | 0.03% | 00.0% | Unchanged |
| Amalgamated Bank | 10,478 | $1.78M | 0.01% | +3,602+52.4% | Added |
| Cookson Peirce & Co Inc | 9,728 | $1.65M | 0.09% | +500+5.4% | Added |
| US Bancorp | 9,599 | $1.63M | 0.00% | +1,008+11.7% | Added |
| AtonRa Partners | 9,432 | $1.60M | 0.56% | +748+8.6% | Added |
| Maryland State Retirement & Pension System | 9,099 | $1.54M | 0.04% | +272+3.1% | Added |
| MML Investors Services, LLC | 9,043 | $1.53M | 0.01% | +814+9.9% | Added |