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Upstream Bio, Inc. Upstream Bio, Inc.

Upstream Bio, Inc.

UPB
Rank in Stocks #15300
Upstream Bio, Inc. is a biotechnology company in the clinical development... Upstream Bio, Inc. is a biotechnology company in the clinical development stage, dedicated to innovating therapies for inflammatory conditions, particularly those affecting the severe respiratory system. Its pipeline notably features verekitug, a monoclonal antibody designed to selectively target and suppress the thymic stromal lymphopoietin receptor. Beyond this, the company is actively developing treatments for severe asthma, chronic rhinosinusitis with nasal polyps, and chronic obstructive pulmonary disease. Established in 2021, Upstream Bio maintains its operational base in Waltham, Massachusetts.
Share Price
$6.64
Last synced: 2026-08-31
Market Cap
$361.08M
Change (1 day)
-0.82%
Change (1 year)
-61.27%
Country
US
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Stock split history for Upstream Bio, Inc. (UPB)
Upstream Bio, Inc. stock (symbol: UPB) underwent a total of 0 stock splits.
The most recent stock split occurred on Sep 01, 2026.
One UPB share bought prior to Sep 01, 2026 would equal to 0 UPB shares today.
Stock split list
Year Split Multiple Cumulative Multiple
Not enough data for the provided dates.
Stock splits for similar companies or competitors
Company Number of stock splits Cumulative Multiple Country
1 x2
US
0 -
NL
1 x3
AU
0 -
US
0 -
CH