Who owns UPSTREAM BIO INC COM?
- Ticker: UPB
- CUSIP Number: 91678a107
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Analyze quarterly positions in Upstream Bio with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Upstream Bio stock
Who bought or sold UPSTREAM BIO INC COM this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| FMR | 8.1M | $152M | 2% | Sep 2025 |
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| OrbiMed Advisors | 5.7M | $107M | 0% | Sep 2025 |
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| Altshuler Shaham | 3.4M | $37M | 5% | Jun 2025 |
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| Decheng Capital | 3.3M | $36M | 0% | Jun 2025 |
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| TCG Crossover Management | 2.8M | $31M | 0% | Jun 2025 |
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| Enavate Sciences GP | 2.5M | $27M | 0% | Jun 2025 |
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| Bain Capital Life Sciences Investors | 2.4M | $27M | 6% | Jun 2025 |
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| VR Adviser | 2.3M | $25M | 0% | Jun 2025 |
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| BlackRock | 2.1M | $23M | 77% | Jun 2025 |
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| Samsara BioCapital | 1.4M | $16M | -30% | Jun 2025 |
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| Omega Fund Management | 1.4M | $26M | -33% | Sep 2025 |
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| Wellington Management Company | 1.1M | $21M | -8% | Sep 2025 |
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| State Street Corporation | 1.1M | $21M | 132% | Sep 2025 |
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| Marshall Wace | 868k | $16M | 199% | Sep 2025 |
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| Geode Capital Management | 817k | $15M | 26% | Sep 2025 |
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| Siren | 789k | $8.7M | 0% | Jun 2025 |
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| Parkman Healthcare Partners | 716k | $7.9M | 206% | Jun 2025 |
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| Nantahala Capital Management | 595k | $11M | 0% | Sep 2025 |
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| Woodline Partners | 558k | $6.1M | 0% | Jun 2025 |
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| Dr. Jeffrey R. Jay, M.D. | 300k | $5.6M | 0% | Sep 2025 |
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| Charles Schwab Investment Management | 285k | $5.4M | 60% | Sep 2025 |
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| UBS Group | 272k | $5.1M | 17% | Sep 2025 |
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| Northern Trust | 255k | $4.8M | 11% | Sep 2025 |
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| Goldman Sachs Group | 223k | $4.2M | 577% | Sep 2025 |
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| Diadema Partners | 200k | $3.8M | 100% | Sep 2025 |
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| Schonfeld Strategic Advisors | 190k | $3.6M | -48% | Sep 2025 |
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| SummitTX Capital | 112k | $2.1M | 100% | Sep 2025 |
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| Velan Capital Investment Management | 107k | $1.2M | 0% | Jun 2025 |
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| Morgan Stanley | 99k | $1.1M | 100% | Jun 2025 |
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| Nomura Holdings | 98k | $1.8M | 100% | Sep 2025 |
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| Bank of New York Mellon | 92k | $1.7M | 15% | Sep 2025 |
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| Barclays | 85k | $1.6M | -12% | Sep 2025 |
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| Alyeska Investment Group | 85k | $933k | 0% | Jun 2025 |
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| Nuveen | 74k | $812k | 227% | Jun 2025 |
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| Balyasny Asset Management | 73k | $1.4M | 100% | Sep 2025 |
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| American Century Companies | 72k | $1.3M | 220% | Sep 2025 |
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| Boothbay Fund Management | 61k | $1.2M | 100% | Sep 2025 |
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| Rhumbline Advisers | 49k | $929k | 3% | Sep 2025 |
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| Citadel Advisors | 47k | $888k | 100% | Sep 2025 |
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| Verition Fund Management | 47k | $884k | 40% | Sep 2025 |
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| Millennium Management | 40k | $755k | 100% | Sep 2025 |
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| Rafferty Asset Management | 35k | $649k | 100% | Sep 2025 |
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| AQR Capital Management | 30k | $563k | 1% | Sep 2025 |
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| Deutsche Bank Aktiengesellschaft | 27k | $503k | 14% | Sep 2025 |
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| ALPS Advisors | 26k | $488k | -10% | Sep 2025 |
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| Wells Fargo & Company | 25k | $473k | 13% | Sep 2025 |
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| MetLife Investment Advisors | 22k | $408k | 0% | Sep 2025 |
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| Intech Investment Management | 21k | $234k | 39% | Jun 2025 |
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| Jane Street | 21k | $386k | 100% | Sep 2025 |
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| Sig Brokerage | 20k | $376k | 100% | Sep 2025 |
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| Alliancebernstein | 20k | $373k | -19% | Sep 2025 |
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| Mirae Asset Global Etfs Holdings | 19k | $210k | 85% | Jun 2025 |
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| Invesco | 17k | $323k | 5% | Sep 2025 |
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| Springbok Capital Management | 16k | $296k | 100% | Sep 2025 |
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| Commonwealth Equity Services | 16k | $292k | 0% | Sep 2025 |
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| Creative Planning | 14k | $268k | 2% | Sep 2025 |
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| Manufacturers Life Insurance Company | 12k | $228k | -8% | Sep 2025 |
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| Mariner Wealth Advisors | 11k | $206k | 100% | Sep 2025 |
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| Quantinno Capital Management | 11k | $117k | -30% | Jun 2025 |
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| Two Sigma Investments | 11k | $198k | 100% | Sep 2025 |
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| Virtus Investment Advisers | 9.8k | $185k | 21% | Sep 2025 |
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| Police & Firemen's Retirement System of New Jersey | 9.4k | $178k | 100% | Sep 2025 |
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| Bnp Paribas Arbitrage, Snc | 6.5k | $123k | 111% | Sep 2025 |
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| New York State Common Retirement Fund | 6.3k | $119k | 34% | Sep 2025 |
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| CWM | 3.3k | $63k | 1% | Sep 2025 |
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| Russell Investments | 3.0k | $57k | 1964% | Sep 2025 |
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| Legal & General Group | 2.9k | $55k | -8% | Sep 2025 |
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| Summit Investment Advisors | 2.7k | $52k | -23% | Sep 2025 |
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| Sterling Capital Management | 2.3k | $43k | 141% | Sep 2025 |
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| California State Teachers Retirement System | 2.2k | $41k | 0% | Sep 2025 |
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| Tower Research Capital | 1.9k | $35k | -39% | Sep 2025 |
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| Group One Trading | 1.3k | $25k | 100% | Sep 2025 |
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| Aster Capital Management | 1.1k | $22k | 100% | Sep 2025 |
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| GAMMA Investing | 890.00 | $17k | 28% | Sep 2025 |
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| Royal Bank of Canada | 832.00 | $17k | -73% | Sep 2025 |
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| Amalgamated Bank | 594.00 | $11k | 0% | Sep 2025 |
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| Versant Capital Management | 548.00 | $10k | -2% | Sep 2025 |
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| Us Bancorp | 531.00 | $10k | -19% | Sep 2025 |
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| Global Retirement Partners | 332.00 | $6.2k | 100% | Sep 2025 |
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| EverSource Wealth Advisors | 310.00 | $5.8k | 0% | Sep 2025 |
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| Caitong International Asset Management | 224.00 | $2.5k | 100% | Jun 2025 |
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| Hartland & Co | 163.00 | $3.1k | 0% | Sep 2025 |
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| SRS Capital Advisors | 149.00 | $2.8k | 100% | Sep 2025 |
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| Pnc Financial Services | 130.00 | $2.4k | 100% | Sep 2025 |
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| J.Safra Asset Management | 128.00 | $2.4k | 100% | Sep 2025 |
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| NISA Investment Advisors | 96.00 | $1.8k | 0% | Sep 2025 |
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| Hanson McClain Advisors | 66.00 | $724.996800 | -64% | Jun 2025 |
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| N.E.W. Advisory Services | 60.00 | $1.1k | 100% | Sep 2025 |
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| Signature | 51.00 | $958.998900 | 4% | Sep 2025 |
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| Parallel Advisors | 2.00 | $22.000000 | 100% | Jun 2025 |
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| IFP Advisors | 1.00 | $11.000000 | 100% | Jun 2025 |
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Who sold out of Upstream Bio?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Vanguard Group | Jun 2025 | 2.2M | $24M |
| Deep Track Capital | Jun 2025 | 1.4M | $16M |
| Norges Bank Investment Management | Jun 2025 | 970k | $11M |
| Lynx1 Capital Management | Jun 2025 | 219k | $2.4M |
| Susquehanna International | Jun 2025 | 42k | $464k |
| ADAR1 Capital Management | Mar 2025 | 15k | $92k |
| XTX Topco | Mar 2025 | 13k | $78k |
| Walleye Trading Advisors | Mar 2025 | 10k | $61k |
| Corebridge Financial | Mar 2025 | 8.5k | $52k |
| OTR - Nominee Name for The State Teachers Retirement Board of Ohio | Jun 2025 | 1.8k | $20k |
| Advisor Group Holdings | Jun 2025 | 42.00 | $256.998000 |
| True Wealth Design | Jun 2025 | 31.00 | $341.000000 |