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Upstream Bio shares owned by Sig Brokerage

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

Historical chart of Sig Brokerage investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

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

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Quarterly reported holdings in Upstream Bio by Sig Brokerage

Quarter filed Position value Share count Share price at filing
2025-09-30 $376k 20k 18.81

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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