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Upstream Bio shares owned by Sphera Funds Management

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Sphera Funds Management from 13F filings

Historical chart of Sphera Funds Management investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by Sphera Funds Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by Sphera Funds Management

Quarter filed Position value Share count Share price at filing
2026-03-31 $3.2M 358k 9.00

More positions owned by Sphera Funds Management

Mineralys Therapeutics (MLYS)
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NOVA MEASURING Instruments L (NVMI)
Cytokinetics Com New (CYTK)
Bridgebio Pharma (BBIO)
Biogen Idec (BIIB)
Ultragenyx Pharmaceutical (RARE)
Syndax Pharmaceuticals (SNDX)
Cogent Biosciences (COGT)
Sanofi Sa Sponsored Adr (SNY)
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View all positions for Sphera Funds Management

Top funds holding Upstream Bio

FMR
OrbiMed Advisors
BlackRock
Decheng Capital
Enavate Sciences GP
Vanguard Group
Vanguard Capital Management
Omega Fund Management
State Street Corporation
Y-Intercept
Federated Investors
Geode Capital Management
Millennium Management
Wellington Management Company
SEB Asset Management AB

View all funds holding Upstream Bio