Who owns Alnylam Pharmaceuticals?
- Ticker: ALNY
- CUSIP Number: 02043Q107
Tip: Access positions for across all investors
Analyze quarterly positions in Alnylam Pharmaceuticals with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Alnylam Pharmaceuticals stock
Who bought or sold Alnylam Pharmaceuticals this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| FMR | 16M | $6.3B | -5% | Dec 2025 |
|
| Vanguard Group | 14M | $5.4B | 0% | Dec 2025 |
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| Capital World Investors | 11M | $3.6B | -34% | Mar 2026 |
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| BlackRock | 10M | $3.5B | 0% | Mar 2026 |
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| Capital Research Global Investors | 9.5M | $3.1B | 40% | Mar 2026 |
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| Vanguard Portfolio Management | 6.5M | $2.1B | 100% | Mar 2026 |
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| Vanguard Capital Management | 5.9M | $2.0B | 100% | Mar 2026 |
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| State Street Corporation | 3.2M | $1.3B | 5% | Dec 2025 |
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| Geode Capital Management | 2.7M | $885M | 0% | Mar 2026 |
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| Baillie Gifford & Co | 2.5M | $825M | -4% | Mar 2026 |
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| Two Sigma Investments | 2.0M | $659M | 223% | Mar 2026 |
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| Dodge & Cox | 2.0M | $781M | -15% | Dec 2025 |
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| T. Rowe Price Investment Management | 1.8M | $697M | -19% | Dec 2025 |
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| Wellington Management Company | 1.6M | $648M | -11% | Dec 2025 |
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| American Century Companies | 1.5M | $591M | -10% | Dec 2025 |
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| D. E. Shaw & Co | 1.5M | $488M | 75% | Mar 2026 |
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| ClearBridge Advisors | 1.4M | $449M | 127% | Mar 2026 |
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| Orbis Allan Gray | 1.3M | $442M | -18% | Mar 2026 |
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| Invesco | 1.3M | $427M | -40% | Mar 2026 |
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| Arrowstreet Capital, Limited Partnership | 1.1M | $448M | -17% | Dec 2025 |
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| Morgan Stanley | 1.0M | $336M | 3% | Mar 2026 |
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| Susquehanna International | 1.0M | $398M | -42% | Dec 2025 |
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| Bank of America Corporation | 967k | $320M | 100% | Mar 2026 |
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| Legal & General Group | 935k | $309M | -3% | Mar 2026 |
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| AQR Capital Management | 913k | $298M | -1% | Mar 2026 |
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| Northern Trust | 858k | $341M | 3% | Dec 2025 |
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| Vanguard Fiduciary Trust | 841k | $278M | 100% | Mar 2026 |
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| Royal Bank of Canada | 792k | $262M | 81% | Mar 2026 |
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| Qube Research & Technologies | 775k | $308M | -5% | Dec 2025 |
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| Deutsche Bank Aktiengesellschaft | 772k | $255M | 7% | Mar 2026 |
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| Amundi | 748k | $247M | 23% | Mar 2026 |
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| Wells Fargo & Company | 713k | $236M | 14% | Mar 2026 |
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| Federated Investors | 688k | $228M | 10% | Mar 2026 |
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| Ubs Global Asset Management Americas | 678k | $224M | 4% | Mar 2026 |
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| Manufacturers Life Insurance Company | 662k | $219M | 945% | Mar 2026 |
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| Charles Schwab Investment Management | 648k | $258M | 5% | Dec 2025 |
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| Marshall Wace | 550k | $219M | 8% | Dec 2025 |
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| Squarepoint Ops | 508k | $168M | 19% | Mar 2026 |
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| Massachusetts Financial Services | 495k | $197M | 39% | Dec 2025 |
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| Millennium Management | 493k | $163M | 471% | Mar 2026 |
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| Bank of New York Mellon | 491k | $163M | -3% | Mar 2026 |
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| Loomis, Sayles and | 489k | $194M | -2% | Dec 2025 |
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| Franklin Resources | 470k | $156M | -40% | Mar 2026 |
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| Goldman Sachs Group | 469k | $155M | 25% | Mar 2026 |
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| UBS Group | 462k | $153M | -45% | Mar 2026 |
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| Bellevue Group | 446k | $177M | 0% | Dec 2025 |
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| Goodman & Company, Investment Counsel | 440k | $175M | -4% | Dec 2025 |
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| Raymond James Financial | 389k | $155M | 3% | Dec 2025 |
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| Swiss National Bank | 388k | $128M | 8% | Mar 2026 |
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| Dimensional Fund Advisors | 384k | $127M | 27% | Mar 2026 |
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| First Trust Advisors | 383k | $127M | 49% | Mar 2026 |
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| Nuveen | 322k | $107M | -43% | Mar 2026 |
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| Gilder, Gagnon, Howe & Co | 319k | $127M | -3% | Dec 2025 |
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| Sumitomo Mitsui Trust Holdings | 314k | $104M | -4% | Mar 2026 |
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| Barclays | 296k | $118M | 213% | Dec 2025 |
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| Congress Asset Management | 286k | $95M | 6% | Mar 2026 |
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| TD Asset Management | 282k | $93M | 5% | Mar 2026 |
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| Allspring Global Investments Holdings | 282k | $93M | 1% | Mar 2026 |
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| Citigroup | 281k | $93M | 100% | Mar 2026 |
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| Bnp Paribas Arbitrage, Snc | 281k | $93M | -28% | Mar 2026 |
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| Nomura Asset Management International | 259k | $86M | 100% | Mar 2026 |
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| Westfield Capital Management Company | 246k | $81M | 163% | Mar 2026 |
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| Woodline Partners | 244k | $81M | 13765% | Mar 2026 |
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| Polar Capital Holdings | 241k | $96M | -4% | Dec 2025 |
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| Ameriprise Financial | 240k | $79M | 32% | Mar 2026 |
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| Pictet Asset Management Holding SA | 238k | $78M | -25% | Mar 2026 |
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| Man Group | 232k | $77M | 61% | Mar 2026 |
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| CalPERS | 228k | $75M | -4% | Mar 2026 |
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| Candriam Luxembourg S.C.A. | 224k | $74M | 0% | Mar 2026 |
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| Victory Capital Management | 221k | $88M | 22% | Dec 2025 |
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| Vanguard Asset Management | 219k | $73M | 100% | Mar 2026 |
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| FengHe Fund Management Pte | 219k | $87M | 100% | Dec 2025 |
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| Royal London Asset Management | 215k | $71M | -15% | Mar 2026 |
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| Jacobs Levy Equity Management | 212k | $70M | -47% | Mar 2026 |
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| Canada Pension Plan Investment Board | 209k | $69M | -19% | Mar 2026 |
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| Hsbc Holdings | 204k | $68M | 128% | Mar 2026 |
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| Atlantic Trust | 200k | $80M | -6% | Dec 2025 |
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| Korea Investment Corporation | 200k | $66M | 6% | Mar 2026 |
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| California State Teachers Retirement System | 197k | $65M | -2% | Mar 2026 |
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| Rhumbline Advisers | 195k | $65M | 0% | Mar 2026 |
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| Voloridge Investment Management | 189k | $63M | 18% | Mar 2026 |
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| National Pension Service | 184k | $61M | 9% | Mar 2026 |
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| Life Cycle Investment Partners | 178k | $59M | 100% | Mar 2026 |
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| ProShare Advisors | 174k | $58M | -18% | Mar 2026 |
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| Envestnet Asset Management | 172k | $57M | 43% | Mar 2026 |
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| CIBC Bancorp USA | 169k | $56M | 3516% | Mar 2026 |
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| Mitsubishi UFJ Asset Management | 152k | $50M | 10% | Mar 2026 |
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| SCS Capital Management | 150k | $50M | 0% | Mar 2026 |
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| 683 Capital Management | 149k | $49M | 3% | Mar 2026 |
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| Ing Investment Management | 149k | $49M | -25% | Mar 2026 |
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| Russell Investments | 148k | $49M | -11% | Mar 2026 |
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| Henderson Group | 147k | $49M | 8% | Mar 2026 |
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| Antipodes Partners | 145k | $48M | 203% | Mar 2026 |
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| Capital Fund Management | 140k | $46M | 569% | Mar 2026 |
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| Universal- Beteiligungs- und Servicegesellschaft mbH | 140k | $46M | 12% | Mar 2026 |
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| Standard Life Aberdeen | 138k | $46M | 4% | Mar 2026 |
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| Handelsbanken Fonder AB | 137k | $45M | 0% | Mar 2026 |
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| Brown Advisory Holdings Incorporated | 134k | $44M | 439% | Mar 2026 |
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| Soleus Capital Management | 132k | $44M | 88% | Mar 2026 |
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| Assenagon Asset Management | 129k | $43M | 404% | Mar 2026 |
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| Hrt Financial | 129k | $43M | 100% | Mar 2026 |
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| Robeco Institutional Asset Management B V | 127k | $42M | -13% | Mar 2026 |
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| OrbiMed Advisors | 119k | $39M | -59% | Mar 2026 |
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| Neuberger Berman Group | 115k | $46M | -12% | Dec 2025 |
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| Aviva | 114k | $38M | 3% | Mar 2026 |
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| DekaBank Deutsche Girozentrale | 113k | $38M | 0% | Mar 2026 |
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| Florida State Board of Administration | 113k | $37M | -2% | Mar 2026 |
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| Citadel Advisors | 111k | $37M | -40% | Mar 2026 |
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| Bnp Paribas Investment Partners | 110k | $44M | 239% | Dec 2025 |
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| Bridgewater Associates | 107k | $35M | 24% | Mar 2026 |
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| HighTower Advisors | 106k | $35M | -1% | Mar 2026 |
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| Sei Investments | 100k | $33M | -10% | Mar 2026 |
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| Farallon Capital Management | 100k | $40M | 0% | Dec 2025 |
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| Tremblant Capital Group | 95k | $31M | -14% | Mar 2026 |
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| Fil | 94k | $37M | -30% | Dec 2025 |
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| Nomura Asset Management | 93k | $31M | -1% | Mar 2026 |
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| Thomas Stevens, CFA" | 88k | $29M | -63% | Mar 2026 |
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| Andra AP-fonden | 87k | $29M | 79% | Mar 2026 |
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| Mirae Asset Global Etfs Holdings | 81k | $27M | 2% | Mar 2026 |
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| Fiera Capital Corporation | 79k | $26M | 11% | Mar 2026 |
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| Natixis Asset Management Advisors | 78k | $26M | 76% | Mar 2026 |
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| Casdin Capital | 75k | $25M | 0% | Mar 2026 |
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| Zurcher Kantonalbank | 75k | $25M | -17% | Mar 2026 |
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| LMR Partners | 75k | $25M | 26% | Mar 2026 |
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| Rock Springs Capital Management | 74k | $25M | 4% | Mar 2026 |
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| Mitsubishi UFJ Trust & Banking Corp | 73k | $24M | -8% | Mar 2026 |
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| Schonfeld Strategic Advisors | 72k | $24M | 60% | Mar 2026 |
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| Driehaus Capital Management | 70k | $28M | 14% | Dec 2025 |
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| Ensign Peak Advisors | 70k | $23M | 20% | Mar 2026 |
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| NEOS Investment Management | 69k | $23M | 69% | Mar 2026 |
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| Schroder Investment Management Group | 68k | $27M | 529% | Dec 2025 |
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| Intech Investment Management | 68k | $23M | 46% | Mar 2026 |
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| Deerfield Management Company | 68k | $23M | 0% | Mar 2026 |
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| LPL Financial | 68k | $22M | 47% | Mar 2026 |
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| National Bank Of Canada /fi/ | 66k | $26M | 6842% | Dec 2025 |
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| Skandinaviska Enskilda Banken AB | 66k | $26M | -17% | Dec 2025 |
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| State of Wisconsin Investment Board | 66k | $26M | -4% | Dec 2025 |
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| Danske Bank A/s | 66k | $22M | -2% | Mar 2026 |
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| Vanguard Investments Australia | 66k | $22M | 100% | Mar 2026 |
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| New York State Common Retirement Fund | 65k | $22M | 2% | Mar 2026 |
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| Vanguard Global Advisers | 65k | $22M | 100% | Mar 2026 |
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| Ieq Capital | 65k | $26M | 4% | Dec 2025 |
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| Storebrand Asset Management As | 65k | $21M | -14% | Mar 2026 |
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| Jane Street | 64k | $21M | -83% | Mar 2026 |
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| Swedbank AB | 62k | $21M | 0% | Mar 2026 |
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| Trexquant Investment | 62k | $20M | 131% | Mar 2026 |
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| Integral Health Asset Management | 60k | $24M | 0% | Dec 2025 |
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| PFA Pension, Forsikringsaktieselskab | 60k | $20M | 69% | Mar 2026 |
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| Toroso Investments | 58k | $19M | 1101% | Mar 2026 |
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| Great-West Life Assurance Company | 58k | $23M | -38% | Dec 2025 |
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| Diam | 58k | $19M | -11% | Mar 2026 |
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| SG Americas Securities | 55k | $18M | -39% | Mar 2026 |
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| Capital International Sarl | 53k | $18M | -55% | Mar 2026 |
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| Frontier Capital Management | 49k | $19M | -59% | Dec 2025 |
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| Parkman Healthcare Partners | 48k | $19M | -46% | Dec 2025 |
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| Worldquant Millennium Quantitative Strategies | 42k | $14M | -88% | Mar 2026 |
|
| Hudson Bay Capital Management | 40k | $13M | -86% | Mar 2026 |
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| Eventide Asset Management | 34k | $14M | -67% | Dec 2025 |
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| Nomura Holdings | 30k | $9.9M | -53% | Mar 2026 |
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| Capital International | 29k | $9.6M | -57% | Mar 2026 |
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| Capital International | 26k | $8.5M | -57% | Mar 2026 |
|
| Macquarie Group | 25k | $10M | -96% | Dec 2025 |
|
| KBC Group NV | 21k | $6.8M | -94% | Mar 2026 |
|
Who sold out of Alnylam Pharmaceuticals?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Jpmorgan Chase & Co | Sep 2025 | 4.5M | $2.1B |
| Norges Bank Investment Management | Dec 2025 | 2.3M | $896M |
| Two Sigma Advisers | Dec 2025 | 1.1M | $450M |
| Susquehanna Advisors Group | Sep 2025 | 562k | $256M |
| Jennison Associates | Dec 2025 | 278k | $111M |