Algert Coldiron Investors »

Upstream Bio shares owned by Algert Coldiron Investors

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

Historical chart of Algert Coldiron Investors investment in Upstream Bio

Tip: Access up to 7 years of quarterly data

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

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Upstream Bio by Algert Coldiron Investors

Quarter filed Position value Share count Share price at filing
2026-06-30 $821k 119k 6.92

More positions owned by Algert Coldiron Investors

Sandisk Corp (SNDK)
Woodward Governor Company (WWD)
Moog Cl A (MOG.A)
Kulicke and Soffa Industries (KLIC)
NVIDIA Corporation (NVDA)
Apple (AAPL)
EnerSys (ENS)
Jackson Financial Com Cl A (JXN)
Everus Constr Group (ECG)
Balchem Corporation (BCPC)
Microsoft Corporation (MSFT)
Api Group Corp Com Stk (APG)
Portland Gen Elec Com New (POR)
Madison Square Garden Entmt Com Cl A (MSGE)
SYNNEX Corporation (SNX)

View all positions for Algert Coldiron Investors

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