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Upstream Bio shares owned by T. Rowe Price Associates

Quarter-by-quarter ownership of Upstream Bio (UPB) shares owned by T. Rowe Price Associates from 13F filings

Historical chart of T. Rowe Price Associates investment in Upstream Bio

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All positions including Upstream Bio held by T. Rowe Price Associates consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Upstream Bio by T. Rowe Price Associates

Quarter filed Position value Share count Share price at filing
2026-03-31 $238k 26k 9.00
2025-12-31 $534k 20k 27.19
2025-09-30 $349k 19k 18.86
2025-06-30 $192k 17k 11.00

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View all positions for T. Rowe Price Associates

Top funds holding Upstream Bio

FMR
OrbiMed Advisors
Norges Bank Investment Management
BlackRock
Decheng Capital
Enavate Sciences GP
Vanguard Capital Management
Millennium Management
D. E. Shaw & Co
Jpmorgan Chase & Co
Qube Research & Technologies
Parkman Healthcare Partners
Geode Capital Management
SEB Asset Management AB
Woodline Partners

View all funds holding Upstream Bio