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Upstream Bio shares owned by California State Teachers Retirement System

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by California State Teachers Retirement System from 13F filings

Historical chart of California State Teachers Retirement System investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

All positions including Upstream Bio held by California State Teachers Retirement System consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by California State Teachers Retirement System

Quarter filed Position value Share count Share price at filing
2025-09-30 $41k 2.2k 18.81
2025-06-30 $24k 2.2k 10.98
2025-03-31 $7.9k 1.3k 6.12
2024-12-31 $21k 1.3k 16.44

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View all positions for California State Teachers Retirement System

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