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Upstream Bio shares owned by Wellington Grp

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

Historical chart of Wellington Grp investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

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

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Quarterly reported holdings in Upstream Bio by Wellington Grp

Quarter filed Position value Share count Share price at filing
2026-03-31 $27k 3.0k 9.00
2025-12-31 $54k 2.0k 27.15

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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