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 2024
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Jun 30, 2024. 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
- 525
- +32 vs. Q1 2024
- Shares held
- 119.9M
- +5.25M (+4.6%) vs. Q1 2024
- Total value
- $29.1B
- +$12.0B (+70.0%) vs. Q1 2024
- New holders
- 89
- 194 more added
- Sold out
- 57
- 167 more reduced
6 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nordea Investment Management AB | 9,434 | $2.31M | 0.00% | +454+5.1% | Added |
| Readystate Asset Management LP | 9,600 | $2.33M | 0.11% | +9,600 | New |
| Maryland State Retirement & Pension System | 9,836 | $2.39M | 0.04% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 10,000 | $2.43M | 0.06% | −12,600−55.8% | Reduced |
| Gulf International Bank (UK) Ltd | 10,328 | $2.51M | 0.06% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 10,555 | $2.56M | 0.04% | −7−0.1% | Reduced |
| Penserra Capital Management LLC | 10,827 | $2.63M | 0.03% | +10,818+120,200.0% | Added |
| Aviva PLC | 10,891 | $2.65M | 0.01% | +6,113+127.9% | Added |
| Storebrand Asset Management AS | 11,286 | $2.74M | 0.01% | −7,220−39.0% | Reduced |
| Daiwa Securities Group Inc. | 11,292 | $2.74M | 0.01% | +371+3.4% | Added |
| Elo Mutual Pension Insurance Co | 11,372 | $2.76M | 0.06% | −95−0.8% | Reduced |
| Toroso Investments, LLC | 11,733 | $2.85M | 0.04% | +1,452+14.1% | Added |
| Portman Square Capital LLP | 11,848 | $2.88M | 0.97% | −4,175−26.1% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 12,114 | $2.94M | 0.03% | +2,619+27.6% | Added |
| Toronto Dominion Bank | 12,151 | $2.95M | 0.00% | −835−6.4% | Reduced |
| The PNC Financial Services Group, Inc. | 12,399 | $3.01M | 0.00% | +212+1.7% | Added |
| Sectoral Asset Management Inc | 12,480 | $3.03M | 1.23% | −5,980−32.4% | Reduced |
| Comerica Bank | 12,588 | $3.06M | 0.01% | −415−3.2% | Reduced |
| Gotham Asset Management, LLC | 13,237 | $3.22M | 0.04% | +11,190+546.7% | Added |
| Jacobs Levy Equity Management, Inc | 13,283 | $3.23M | 0.01% | −113,084−89.5% | Reduced |
| Public Employees Retirement Association of Colorado | 13,384 | $3.25M | 0.01% | −491−3.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 13,192 | $3.26M | 0.02% | −49,223−78.9% | Reduced |
| Silvant Capital Management LLC | 13,661 | $3.32M | 0.15% | 00.0% | Unchanged |
| Principal Financial Group Inc | 14,189 | $3.45M | 0.00% | −5,167−26.7% | Reduced |
| PDT Partners, LLC | 14,284 | $3.47M | 0.33% | +14,284 | New |
| Profund Advisors LLC | 14,402 | $3.50M | 0.13% | +5,132+55.4% | Added |
| Voloridge Investment Management, LLC | 14,863 | $3.61M | 0.01% | +14,863 | New |
| Arrowstreet Capital, Limited Partnership | 14,971 | $3.64M | 0.00% | +14,971 | New |
| KBC Group NV | 15,096 | $3.67M | 0.01% | 00.0% | Unchanged |
| FIL Ltd | 15,224 | $3.70M | 0.00% | +4,869+47.0% | Added |
| Sector Gamma AS | 15,240 | $3.70M | 1.38% | −12,343−44.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 15,981 | $3.88M | 0.02% | −704−4.2% | Reduced |
| Nissay Asset Management Corp | 16,101 | $3.91M | 0.03% | +524+3.4% | Added |
| DLD Asset Management, LP | 16,200 | $3.94M | 0.92% | +16,200 | New |
| Raymond James & Associates | 16,257 | $3.95M | 0.00% | +1,089+7.2% | Added |
| EFG Asset Management (Americas) Corp. | 16,992 | $4.13M | 0.81% | +6,106+56.1% | Added |
| NEOS Investment Management LLC | 17,645 | $4.29M | 0.18% | +6,276+55.2% | Added |
| Allianz Asset Management GmbH | 18,174 | $4.42M | 0.01% | +6,660+57.8% | Added |
| EFG Asset Management (North America) Corp. | 18,584 | $4.52M | 0.78% | −1,362−6.8% | Reduced |
| LPL Financial LLC | 18,636 | $4.53M | 0.00% | +1,662+9.8% | Added |
| Guggenheim Capital LLC | 19,187 | $4.66M | 0.03% | −1,975−9.3% | Reduced |
| AIA Group Ltd | 19,428 | $4.72M | 0.14% | +4,784+32.7% | Added |
| Tredje AP-fonden | 19,483 | $4.73M | 0.05% | −308−1.6% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 19,570 | $4.76M | 1.03% | +3,397+21.0% | Added |
| Privium Fund Management B.V. | 19,393 | $4.80M | 1.22% | −1,500−7.2% | Reduced |
| Panagora Asset Management Inc | 19,810 | $4.81M | 0.02% | +12,353+165.7% | Added |
| Swedbank AB | 20,639 | $5.02M | 0.01% | 00.0% | Unchanged |
| Utah Retirement Systems | 20,725 | $5.04M | 0.06% | −800−3.7% | Reduced |
| Xponance, Inc. | 21,076 | $5.12M | 0.05% | +1,378+7.0% | Added |
| Ghost Tree Capital, LLC | 22,500 | $5.47M | 1.90% | −37,500−62.5% | Reduced |
| Weiss Asset Management LP | 23,800 | $5.78M | 0.28% | −876−3.6% | Reduced |
| British Columbia Investment Management Corp | 24,217 | $5.88M | 0.04% | +9,234+61.6% | Added |
| Groupama Asset Managment | 24,234 | $5.89M | 0.12% | +21,978+974.2% | Added |
| Atika Capital Management LLC | 24,500 | $5.95M | 0.69% | +24,500 | New |
| STRS Ohio | 25,000 | $6.08M | 0.02% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 25,140 | $6.11M | 0.00% | −2,295−8.4% | Reduced |
| Forsta Ap-Fonden | 25,200 | $6.12M | 0.05% | −43,100−63.1% | Reduced |
| Caisse de Depot Et Placement du Quebec | 25,295 | $6.15M | 0.01% | +500+2.0% | Added |
| Burney Co | 25,439 | $6.18M | 0.24% | −1,620−6.0% | Reduced |
| IFM Investors Pty Ltd | 25,754 | $6.26M | 0.06% | +103+0.4% | Added |
| DnB Asset Management AS | 26,015 | $6.32M | 0.03% | +1,022+4.1% | Added |
| China Universal Asset Management Co., Ltd. | 26,509 | $6.44M | 0.91% | −9,313−26.0% | Reduced |
| Fjarde AP-fonden (The Fourth Swedish National Pensionfund) | 28,415 | $6.91M | 0.08% | +28,415 | New |
| Erste Asset Management GmbH | 28,510 | $7.04M | 0.09% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 29,365 | $7.14M | 0.04% | +832+2.9% | Added |
| Tobam | 29,731 | $7.22M | 1.13% | −39,331−57.0% | Reduced |
| Hudson Bay Capital Management LP | 30,000 | $7.29M | 0.05% | −92,500−75.5% | Reduced |
| Lazard Asset Management LLC | 30,805 | $7.48M | 0.01% | +27,198+754.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,293 | $7.62M | 0.02% | +31,293 | New |
| Bank of Montreal | 31,176 | $7.66M | 0.00% | −71,332−69.6% | Reduced |
| Driehaus Capital Management LLC | 32,489 | $7.89M | 0.08% | +32,489 | New |
| Teachers Retirement System of the State of Kentucky | 33,213 | $8.07M | 0.07% | 00.0% | Unchanged |
| APG Asset Management US Inc. | 33,807 | $8.23M | 0.05% | −2,103−5.9% | Reduced |
| Arizona State Retirement System | 34,736 | $8.44M | 0.06% | +219+0.6% | Added |
| Artia Global Partners LP | 35,000 | $8.51M | 2.18% | +35,000 | New |
| Rosenblum Silverman Sutton S F Inc | 35,200 | $8.55M | 2.29% | −270−0.8% | Reduced |
| Silverarc Capital Management, LLC | 36,000 | $8.75M | 2.16% | +36,000 | New |
| Mackenzie Financial Corp | 36,091 | $8.77M | 0.01% | +17,576+94.9% | Added |
| USS Investment Management Ltd | 36,847 | $8.96M | 0.07% | +1,433+4.0% | Added |
| Illinois Municipal Retirement Fund | 36,872 | $8.96M | 0.14% | +10,497+39.8% | Added |
| Bridger Management, LLC | 37,022 | $9.00M | 4.63% | −15,900−30.0% | Reduced |
| Acadian Asset Management LLC | 37,310 | $9.06M | 0.03% | +35,651+2,148.9% | Added |
| Suvretta Capital Management, LLC | 37,624 | $9.14M | 0.37% | +4,964+15.2% | Added |
| Trexquant Investment LP | 37,863 | $9.20M | 0.14% | −59,112−61.0% | Reduced |
| Victory Capital Management Inc | 38,680 | $9.40M | 0.01% | −724−1.8% | Reduced |
| SEI Investments Co | 39,178 | $9.52M | 0.01% | +9,575+32.3% | Added |
| Russell Investments Group, Ltd. | 41,185 | $10.1M | 0.02% | −17,554−29.9% | Reduced |
| Capital Fund Management S.A. | 41,821 | $10.2M | 0.12% | +11,454+37.7% | Added |
| Brown Advisory Inc | 42,357 | $10.3M | 0.01% | −3,129−6.9% | Reduced |
| Capital Group Private Client Services, Inc. | 43,124 | $10.5M | 0.10% | −11,297−20.8% | Reduced |
| Resona Asset Management Co.,Ltd. | 43,467 | $10.6M | 0.06% | −3,474−7.4% | Reduced |
| Twin Tree Management, LP | 43,749 | $10.6M | 0.31% | +28,239+182.1% | Added |
| Schonfeld Strategic Advisors LLC | 43,975 | $10.7M | 0.08% | −191,631−81.3% | Reduced |
| Tri Locum Partners LP | 45,000 | $10.9M | 2.76% | +45,000 | New |
| Alliancebernstein L.P. | 45,373 | $11.0M | 0.00% | −8,803−16.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 46,388 | $11.3M | 0.62% | +43,545+1,531.7% | Added |
| State of New Jersey Common Pension Fund D | 48,458 | $11.8M | 0.05% | −24,801−33.9% | Reduced |
| Robeco Institutional Asset Management B.V. | 49,670 | $12.1M | 0.03% | +20,830+72.2% | Added |
| Public Employees Retirement System of Ohio | 51,712 | $12.6M | 0.05% | +164+0.3% | Added |
| Danske Bank A/S | 52,305 | $12.7M | 0.05% | −17,186−24.7% | Reduced |