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Upstream Bio shares owned by Signature

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

Historical chart of Signature investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

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

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Quarterly reported holdings in Upstream Bio by Signature

Quarter filed Position value Share count Share price at filing
2025-12-31 $3.2k 117 27.15
2025-09-30 $958 51 18.80
2025-06-30 $538 49 10.98
2025-03-31 $550 90 6.12

More positions owned by Signature

Ishares Tr Rus 1000 Grw Etf (IWF)
Vanguard Specialized Funds Div App Etf (VIG)
Ishares Tr Core S&p Us Vlu (IUSV)
Vanguard Malvern Fds Core Bd Etf (VCRB)
J P Morgan Exchange Traded F Us Qualty Fctr (JQUA)
Ishares Tr Core Msci Eafe (IEFA)
Vanguard Star Fds Vg Tl Intl Stk F (VXUS)
Vanguard Intl Equity Index F Ftse Emr Mkt Etf (VWO)
Janus Detroit Str Tr Hendrson Aaa Cl (JAAA)
Apple (AAPL)
NVIDIA Corporation (NVDA)
Ishares Tr National Mun Etf (MUB)
Vanguard Index Fds Large Cap Etf (VV)
Microsoft Corporation (MSFT)
Vanguard Index Fds Growth Etf (VUG)

View all positions for Signature

Top funds holding Upstream Bio

FMR
OrbiMed Advisors
BlackRock
Decheng Capital
Norges Bank Investment Management
Enavate Sciences GP
Vanguard Group
UBS Group
Altshuler Shaham
Bain Capital Life Sciences Investors
Omega Fund Management
State Street Corporation
VR Adviser
Wellington Management Company
Geode Capital Management

View all funds holding Upstream Bio