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, Q3 2023
Institutional positions in Alnylam Pharmaceuticals, Inc. as of Sep 30, 2023. 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
- 454
- −15 vs. Q2 2023
- Shares held
- 117.8M
- +10.8K (0.0%) vs. Q2 2023
- Total value
- $20.9B
- −$1.52B (−6.8%) vs. Q2 2023
- New holders
- 43
- 161 more added
- Sold out
- 58
- 165 more reduced
8 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Alnylam Pharmaceuticals, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toronto Dominion Bank | 55,262 | $9.79M | 0.02% | +24,400+79.1% | Added |
| Jane Street Group, LLC | 55,036 | $9.75M | 0.02% | +18,394+50.2% | Added |
| Public Employees Retirement System of Ohio | 54,670 | $9.68M | 0.04% | −5,588−9.3% | Reduced |
| Capital Group Investment Management Pte. Ltd. | 53,516 | $9.48M | 0.62% | +34,048+174.9% | Added |
| Sector Gamma AS | 52,968 | $9.38M | 2.40% | +24,901+88.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 52,479 | $9.29M | 0.02% | +5,980+12.9% | Added |
| Teachers Retirement System of the State of Kentucky | 51,755 | $9.17M | 0.09% | −336−0.6% | Reduced |
| BNP Paribas Arbitrage, SA | 51,403 | $9.10M | 0.02% | +12,822+33.2% | Added |
| DnB Asset Management AS | 51,212 | $9.07M | 0.05% | +25,898+102.3% | Added |
| Bank of Montreal | 48,203 | $8.96M | 0.01% | −11,301−19.0% | Reduced |
| Asset Management One Co.,Ltd. | 49,066 | $8.69M | 0.04% | −339−0.7% | Reduced |
| Macquarie Group Ltd | 45,906 | $8.13M | 0.01% | +882+2.0% | Added |
| Hudson Bay Capital Management LP | 45,900 | $8.13M | 0.08% | +45,900 | New |
| Rhenman & Partners Asset Management AB | 45,000 | $7.97M | 0.86% | 00.0% | Unchanged |
| Great West Life Assurance Co | 44,173 | $7.82M | 0.02% | −764−1.7% | Reduced |
| Rafferty Asset Management, LLC | 44,168 | $7.82M | 0.05% | +615+1.4% | Added |
| CWM, LLC | 43,938 | $7.78M | 0.05% | −1,436−3.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 42,107 | $7.46M | 0.07% | +39,641+1,607.5% | Added |
| Driehaus Capital Management LLC | 39,029 | $6.91M | 0.09% | −90.0% | Reduced |
| Parnassus Investments | 38,748 | $6.86M | 0.02% | +38,748 | New |
| Orbis Allan Gray Ltd | 38,189 | $6.76M | 0.05% | +38,189 | New |
| Caption Management, LLC | 37,500 | $6.64M | 0.86% | +37,500 | New |
| Voloridge Investment Management, LLC | 37,412 | $6.63M | 0.03% | −37,446−50.0% | Reduced |
| Rosenblum Silverman Sutton S F Inc | 37,053 | $6.56M | 2.23% | −100−0.3% | Reduced |
| International Biotechnology Trust PLC | 36,800 | $6.52M | 2.20% | −44,800−54.9% | Reduced |
| Sphera Funds Management Ltd. | 36,101 | $6.39M | 1.53% | −3,899−9.7% | Reduced |
| Two Sigma Advisers, LP | 35,900 | $6.36M | 0.02% | −157,700−81.5% | Reduced |
| Brown Advisory Inc | 35,212 | $6.24M | 0.01% | −376−1.1% | Reduced |
| HSBC Holdings PLC | 35,185 | $6.23M | 0.01% | +4,508+14.7% | Added |
| Andra AP-fonden | 34,500 | $6.11M | 0.36% | −6,000−14.8% | Reduced |
| USS Investment Management Ltd | 34,231 | $6.06M | 0.07% | +4,206+14.0% | Added |
| Arizona State Retirement System | 33,973 | $6.02M | 0.05% | +153+0.5% | Added |
| Storebrand Asset Management AS | 33,901 | $6.00M | 0.03% | −6,735−16.6% | Reduced |
| Korea Investment CORP | 33,061 | $5.86M | 0.02% | −5,854−15.0% | Reduced |
| Teacher Retirement System of Texas | 32,958 | $5.84M | 0.04% | +692+2.1% | Added |
| Sectoral Asset Management Inc | 28,960 | $5.13M | 1.00% | −866−2.9% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 28,415 | $5.03M | 0.07% | −100−0.4% | Reduced |
| Aviva PLC | 28,408 | $5.03M | 0.02% | +20,451+257.0% | Added |
| Erste Asset Management GmbH | 28,510 | $4.96M | 0.09% | 00.0% | Unchanged |
| EFG Asset Management (North America) Corp. | 27,851 | $4.93M | 1.17% | −300−1.1% | Reduced |
| Banque Pictet & Cie SA | 25,424 | $4.50M | 0.05% | −1,154−4.3% | Reduced |
| Forsta Ap-Fonden | 25,400 | $4.50M | 0.05% | +500+2.0% | Added |
| SEI Investments Co | 25,302 | $4.48M | 0.01% | −4,461−15.0% | Reduced |
| STRS Ohio | 25,000 | $4.43M | 0.02% | −5,000−16.7% | Reduced |
| IFM Investors Pty Ltd | 24,871 | $4.40M | 0.06% | +494+2.0% | Added |
| Envestnet Asset Management Inc | 24,570 | $4.35M | 0.00% | +5,727+30.4% | Added |
| Russell Investments Group, Ltd. | 24,126 | $4.22M | 0.01% | −3,427−12.4% | Reduced |
| Standard Life Aberdeen plc | 23,025 | $4.08M | 0.01% | −559−2.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,607 | $4.00M | 0.02% | +2,201+10.8% | Added |
| Principal Financial Group Inc | 22,505 | $3.99M | 0.00% | +843+3.9% | Added |
| Kornitzer Capital Management Inc | 22,000 | $3.90M | 0.08% | 00.0% | Unchanged |
| Moore Capital Management, LP | 21,985 | $3.89M | 0.11% | +21,985 | New |
| Utah Retirement Systems | 21,325 | $3.78M | 0.05% | +100+0.5% | Added |
| Mackenzie Financial Corp | 21,746 | $3.76M | 0.01% | −8,350−27.7% | Reduced |
| Tredje AP-fonden | 20,556 | $3.64M | 0.05% | −1,812−8.1% | Reduced |
| Man Group plc | – | $3.59M | 0.01% | – | – |
| Privium Fund Management B.V. | 20,023 | $3.55M | 1.05% | +20,023 | New |
| SG Americas Securities, LLC | 19,836 | $3.51M | 0.05% | +16,025+420.5% | Added |
| Segantii Capital Management Ltd | 19,250 | $3.41M | 0.13% | −9,550−33.2% | Reduced |
| Aquatic Capital Management LLC | 17,900 | $3.17M | 0.13% | +17,900 | New |
| Guggenheim Capital LLC | 17,244 | $3.05M | 0.03% | −2,422−12.3% | Reduced |
| Point72 Middle East FZE | 16,651 | $2.95M | 0.18% | +1,244+8.1% | Added |
| Millennium Management LLC | 16,107 | $2.85M | 0.00% | −58,873−78.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 16,039 | $2.84M | 0.03% | −1,167−6.8% | Reduced |
| Artia Global Partners LP | 15,971 | $2.83M | 1.18% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 15,831 | $2.80M | 0.00% | +14,892+1,585.9% | Added |
| LPL Financial LLC | 15,770 | $2.79M | 0.00% | +895+6.0% | Added |
| Cubist Systematic Strategies, LLC | 15,681 | $2.78M | 0.03% | +11,212+250.9% | Added |
| The PNC Financial Services Group, Inc. | 15,665 | $2.77M | 0.00% | −39−0.2% | Reduced |
| Illinois Municipal Retirement Fund | 15,644 | $2.77M | 0.05% | +15,644 | New |
| KBC Group NV | 15,510 | $2.75M | 0.01% | +1,390+9.8% | Added |
| EFG Asset Management (Americas) Corp. | 15,457 | $2.74M | 0.66% | −278−1.8% | Reduced |
| Public Employees Retirement Association of Colorado | 15,106 | $2.67M | 0.01% | −584−3.7% | Reduced |
| Xponance, Inc. | 14,984 | $2.65M | 0.04% | +109+0.7% | Added |
| Nissay Asset Management Corp | 14,773 | $2.62M | 0.02% | +537+3.8% | Added |
| AIA Group Ltd | 14,644 | $2.59M | 0.13% | +2,050+16.3% | Added |
| PDT Partners, LLC | 14,467 | $2.56M | 0.32% | +14,467 | New |
| Allianz Asset Management GmbH | 14,451 | $2.56M | 0.01% | −2,144−12.9% | Reduced |
| Mariner, LLC | 14,181 | $2.51M | 0.01% | −3,654−20.5% | Reduced |
| Gateway Investment Advisers LLC | 13,951 | $2.47M | 0.03% | +2,393+20.7% | Added |
| Silvant Capital Management LLC | 13,661 | $2.42M | 0.15% | 00.0% | Unchanged |
| CWM Advisors, LLC | 13,458 | $2.38M | 0.30% | −6,401−32.2% | Reduced |
| Comerica Bank | 13,426 | $2.38M | 0.01% | +13,426 | New |
| Rockefeller Capital Management L.P. | 13,184 | $2.33M | 0.01% | +13,184 | New |
| PEAK6 Investments LLC | 13,112 | $2.32M | 0.11% | +4,743+56.7% | Added |
| Amalgamated Bank | 12,746 | $2.26M | 0.02% | −400−3.0% | Reduced |
| Caisse de Depot Et Placement du Quebec | 12,711 | $2.25M | 0.01% | 00.0% | Unchanged |
| Raymond James & Associates | 12,411 | $2.20M | 0.00% | +598+5.1% | Added |
| Wealthfront Advisers LLC | 12,357 | $2.19M | 0.01% | −15,289−55.3% | Reduced |
| Portman Square Capital LLP | 11,914 | $2.11M | 0.29% | +2,146+22.0% | Added |
| Karani Asset Management LLC | 11,555 | $2.05M | 2.95% | −3,690−24.2% | Reduced |
| HAP Trading, LLC | 11,351 | $2.01M | 0.50% | +11,351 | New |
| British Columbia Investment Management Corp | 11,321 | $2.00M | 0.02% | +144+1.3% | Added |
| Gulf International Bank (UK) Ltd | 11,296 | $2.00M | 0.06% | −1,274−10.1% | Reduced |
| Intech Investment Management LLC | 11,230 | $1.99M | 0.03% | +2,864+34.2% | Added |
| Trexquant Investment LP | 11,021 | $1.95M | 0.05% | +11,021 | New |
| Cullen/Frost Bankers, Inc. | 10,549 | $1.87M | 0.03% | 00.0% | Unchanged |
| Elo Mutual Pension Insurance Co | 10,422 | $1.85M | 0.06% | +224+2.2% | Added |
| Daiwa Securities Group Inc. | 10,405 | $1.84M | 0.01% | −114−1.1% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 9,523 | $1.69M | 0.03% | −26−0.3% | Reduced |