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, Q1 2025
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Mar 31, 2025. 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
- 625
- +39 vs. Q4 2024
- Shares held
- 129.4M
- +2.10M (+1.7%) vs. Q4 2024
- Total value
- $34.8B
- +$4.88B (+16.3%) vs. Q4 2024
- New holders
- 106
- 235 more added
- Sold out
- 67
- 205 more reduced
8 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Diadema Partners LP | 13,115 | $3.54M | 2.83% | +13,115 | New |
| Balyasny Asset Management LLC | 13,116 | $3.54M | 0.01% | +13,116 | New |
| The PNC Financial Services Group, Inc. | 13,125 | $3.54M | 0.00% | +585+4.7% | Added |
| EFG Asset Management (Americas) Corp. | 13,372 | $3.61M | 0.73% | −1,574−10.5% | Reduced |
| Advisory Services Network, LLC | 13,516 | $3.65M | 0.07% | +7,248+115.6% | Added |
| Mutual of America Capital Management LLC | 13,644 | $3.68M | 0.04% | +11,881+673.9% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 13,665 | $3.69M | 0.06% | 00.0% | Unchanged |
| OP Asset Management Ltd | 13,679 | $3.69M | 0.06% | +13,679 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 13,953 | $3.76M | 0.01% | −778−5.3% | Reduced |
| Aquatic Capital Management LLC | 14,348 | $3.87M | 0.10% | −26,204−64.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 14,404 | $3.89M | 0.01% | +1,838+14.6% | Added |
| Gotham Asset Management, LLC | 14,517 | $3.92M | 0.03% | +3,593+32.9% | Added |
| Jupiter Asset Management Ltd | 14,610 | $3.94M | 0.04% | −825−5.3% | Reduced |
| Cerity Partners LLC | 14,642 | $3.95M | 0.01% | +1,117+8.3% | Added |
| Mariner, LLC | 14,883 | $4.02M | 0.01% | +1,217+8.9% | Added |
| Point72 Asia (Singapore) Pte. Ltd. | 15,006 | $4.05M | 1.06% | +15,006 | New |
| Himension Fund | 15,302 | $4.13M | 0.35% | +10,773+237.9% | Added |
| Jefferies Financial Group Inc. | 15,347 | $4.14M | 0.07% | +15,347 | New |
| Jump Financial, LLC | 15,717 | $4.24M | 0.06% | +572+3.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 15,833 | $4.29M | 0.01% | +3,784+31.4% | Added |
| Tredje AP-fonden | 15,907 | $4.30M | 0.04% | +6,165+63.3% | Added |
| Point72 Europe (London) LLP | 15,958 | $4.31M | 0.30% | +15,958 | New |
| Creative Planning | 16,099 | $4.35M | 0.00% | +5,286+48.9% | Added |
| Silvant Capital Management LLC | 16,195 | $4.37M | 0.20% | 00.0% | Unchanged |
| Nissay Asset Management Corp | 16,214 | $4.38M | 0.03% | +267+1.7% | Added |
| J. Safra Sarasin Holding AG | 16,435 | $4.44M | 0.08% | −2,707−14.1% | Reduced |
| CWM, LLC | 16,664 | $4.50M | 0.02% | +3,473+26.3% | Added |
| Andra AP-fonden | 16,800 | $4.54M | 0.07% | −11,100−39.8% | Reduced |
| Fiera Capital Corp | 17,212 | $4.65M | 0.02% | +1,242+7.8% | Added |
| Comerica Bank | 17,253 | $4.66M | 0.02% | +3,262+23.3% | Added |
| Capital Group Investment Management Pte. Ltd. | 17,350 | $4.68M | 0.96% | +179+1.0% | Added |
| Alberta Investment Management Corp | 17,700 | $4.78M | 0.03% | −300−1.7% | Reduced |
| Polymer Capital Management (HK) LTD | 17,804 | $4.81M | 0.83% | +7,491+72.6% | Added |
| Quadrature Capital Ltd | 18,511 | $5.00M | 0.11% | +18,511 | New |
| Police & Firemen's Retirement System of New Jersey | 18,751 | $5.06M | 0.05% | 00.0% | Unchanged |
| Liontrust Investment Partners LLP | 18,880 | $5.10M | 0.08% | +4,857+34.6% | Added |
| Catalyst Funds Management Pty Ltd | 19,200 | $5.18M | 1.36% | +19,200 | New |
| KBC Group NV | 19,312 | $5.21M | 0.02% | −10,714−35.7% | Reduced |
| Toronto Dominion Bank | 19,385 | $5.23M | 0.01% | +2,611+15.6% | Added |
| Oddo BHF Asset Management SAS | 19,821 | $5.35M | 0.22% | +19,821 | New |
| LPL Financial LLC | 20,679 | $5.58M | 0.00% | +2,107+11.3% | Added |
| Cercano Management LLC | 20,772 | $5.61M | 0.16% | +20,772 | New |
| Kodai Capital Management LP | 21,159 | $5.71M | 0.23% | +21,159 | New |
| Utah Retirement Systems | 21,325 | $5.76M | 0.07% | 00.0% | Unchanged |
| Zacks Investment Management | 22,262 | $6.01M | 0.06% | +22,262 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 22,763 | $6.15M | 0.06% | +609+2.7% | Added |
| Xponance, Inc. | 23,157 | $6.25M | 0.06% | +701+3.1% | Added |
| Erste Asset Management GmbH | 23,310 | $6.26M | 0.08% | −3,200−12.1% | Reduced |
| Investment Management Corp of Ontario | 23,277 | $6.29M | 0.13% | +16,178+227.9% | Added |
| Caisse de Depot Et Placement du Quebec | 23,763 | $6.42M | 0.01% | +13,745+137.2% | Added |
| IFM Investors Pty Ltd | 23,850 | $6.44M | 0.07% | +150+0.6% | Added |
| British Columbia Investment Management Corp | 24,666 | $6.66M | 0.04% | +84+0.3% | Added |
| EFG Asset Management (North America) Corp. | 24,691 | $6.67M | 1.11% | −1,955−7.3% | Reduced |
| Cinctive Capital Management LP | 24,862 | $6.71M | 0.53% | +6,622+36.3% | Added |
| Engineers Gate Manager LP | 25,392 | $6.86M | 0.12% | −8,505−25.1% | Reduced |
| Forsta Ap-Fonden | 25,800 | $6.97M | 0.05% | −29,000−52.9% | Reduced |
| USS Investment Management Ltd | 26,366 | $7.12M | 0.05% | 00.0% | Unchanged |
| AIA Group Ltd | 26,491 | $7.15M | 0.18% | +3,643+15.9% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 26,915 | $7.27M | 0.09% | −2,200−7.6% | Reduced |
| DnB Asset Management AS | 27,297 | $7.37M | 0.03% | +564+2.1% | Added |
| Schroder Investment Management Group | 27,783 | $7.46M | 0.01% | +4,553+19.6% | Added |
| Artia Global Partners LP | 28,600 | $7.72M | 2.26% | −27,800−49.3% | Reduced |
| STRS Ohio | 28,817 | $7.78M | 0.03% | +3,817+15.3% | Added |
| China Universal Asset Management Co., Ltd. | 30,971 | $8.36M | 0.78% | −8,026−20.6% | Reduced |
| Brown Advisory Inc | 31,385 | $8.47M | 0.01% | −2,495−7.4% | Reduced |
| Ikarian Capital, LLC | 31,594 | $8.53M | 2.78% | +31,594 | New |
| Teachers Retirement System of the State of Kentucky | 32,713 | $8.83M | 0.08% | −2,000−5.8% | Reduced |
| Mediolanum International Funds Ltd | 34,729 | $9.32M | 0.13% | +25,666+283.2% | Added |
| Rosenblum Silverman Sutton S F Inc | 34,632 | $9.35M | 2.58% | −143−0.4% | Reduced |
| Principal Financial Group Inc | 34,701 | $9.37M | 0.01% | +24,323+234.4% | Added |
| Bridger Management, LLC | 34,975 | $9.44M | 4.69% | −6,207−15.1% | Reduced |
| Teacher Retirement System of Texas | 35,285 | $9.53M | 0.04% | −3,790−9.7% | Reduced |
| Arizona State Retirement System | 37,248 | $10.1M | 0.06% | +44+0.1% | Added |
| Victory Capital Management Inc | 37,649 | $10.2M | 0.01% | −2,148−5.4% | Reduced |
| Resona Asset Management Co.,Ltd. | 38,920 | $10.5M | 0.06% | +2,264+6.2% | Added |
| Public Employees Retirement System of Ohio | 39,669 | $10.7M | 0.04% | −4,588−10.4% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 42,303 | $11.4M | 0.07% | −241−0.6% | Reduced |
| BNP Paribas Arbitrage, SA | 42,575 | $11.5M | 0.01% | +857+2.1% | Added |
| CI Private Wealth, LLC | 42,665 | $11.5M | 0.02% | −235,901−84.7% | Reduced |
| KLP Kapitalforvaltning AS | 43,700 | $11.8M | 0.06% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 43,745 | $11.8M | 0.05% | −3,758−7.9% | Reduced |
| Ieq Capital, LLC | 44,014 | $11.9M | 0.09% | +5,208+13.4% | Added |
| Rafferty Asset Management, LLC | 44,585 | $12.0M | 0.05% | −8,232−15.6% | Reduced |
| Alliancebernstein L.P. | 44,837 | $12.1M | 0.00% | +247+0.6% | Added |
| Storebrand Asset Management AS | 45,047 | $12.2M | 0.04% | −223−0.5% | Reduced |
| Groupama Asset Managment | 40,139 | $12.5M | 0.25% | +11,689+41.1% | Added |
| Rhenman & Partners Asset Management AB | 48,197 | $13.0M | 1.50% | +31,197+183.5% | Added |
| Integral Health Asset Management, LLC | 50,000 | $13.5M | 1.50% | +5,000+11.1% | Added |
| Danske Bank A/S | 53,205 | $14.4M | 0.04% | −8,808−14.2% | Reduced |
| HRT Financial LP | 55,173 | $14.9M | 0.09% | +5,273+10.6% | Added |
| U.S. Capital Wealth Advisors, LLC | 56,011 | $15.1M | 0.46% | −4,490−7.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 57,119 | $15.4M | 0.04% | +2,713+5.0% | Added |
| Driehaus Capital Management LLC | 57,128 | $15.4M | 0.15% | +23,648+70.6% | Added |
| Treasurer of the State of North Carolina | 58,955 | $15.9M | 0.06% | −27,960−32.2% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 60,000 | $16.2M | 0.29% | +60,000 | New |
| Canada Pension Plan Investment Board | 60,532 | $16.3M | 0.02% | −113,489−65.2% | Reduced |
| HSBC Holdings PLC | 61,265 | $16.5M | 0.01% | −317−0.5% | Reduced |
| Voloridge Investment Management, LLC | 62,302 | $16.8M | 0.06% | +45,526+271.4% | Added |
| Illinois Municipal Retirement Fund | 62,665 | $16.9M | 0.25% | 00.0% | Unchanged |
| Van Eck Associates Corp | 64,144 | $17.3M | 0.02% | −3,674−5.4% | Reduced |