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Upstream Bio shares owned by Diadema Partners

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by Diadema Partners from 13F filings

Historical chart of Diadema Partners investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by Diadema Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by Diadema Partners

Quarter filed Position value Share count Share price at filing
2025-09-30 $3.8M 200k 18.81

More positions owned by Diadema Partners

Jazz Pharmaceuticals Shs Usd (JAZZ)
Soleno Therapeutics (SLNO)
Uniqure Nv SHS Put Option (QURE)
Regeneron Pharmaceuticals (REGN)
Viking Therapeutics (VKTX)
Bristol Myers Squibb (BMY)
Spdr S&p 500 Etf Tr Tr Unit Put Option (SPY)
BioMarin Pharmaceutical (BMRN)
Avidity Biosciences Ord (RNA)
Agios Pharmaceuticals Call Option (AGIO)
Ultragenyx Pharmaceutical (RARE)
Incyte Corporation Call Option (INCY)
Intellia Therapeutics Call Option (NTLA)
Vaxcyte (PCVX)
Eli Lilly & Co. Put Option (LLY)

View all positions for Diadema Partners

Top funds holding Upstream Bio

FMR
OrbiMed Advisors
Decheng Capital
BlackRock
Enavate Sciences GP
Vanguard Group
Bain Capital Life Sciences Investors
TCG Crossover Management
Altshuler Shaham
Omega Fund Management
VR Adviser
Wellington Management Company
State Street Corporation
Samsara BioCapital
Marshall Wace

View all funds holding Upstream Bio