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Upstream Bio, Inc. Upstream Bio, Inc.

Upstream Bio, Inc.

UPB
Rank in Stocks #15267
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
$6.66
Market Cap
$362.37M
Change (1 day)
0.59%
Change (1 year)
-61.13%
Country
US
Trade Upstream Bio, Inc. (UPB)

Category

Healthcare
Number of shares outstanding for Upstream Bio, Inc. (UPB)
Number of shares outstanding as of September 2026: 0
According to Upstream Bio, Inc. latest financial reports and stock price the company's current number of shares outstanding is 0. At the end of September 2026 the company had 0 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.
Shares outstanding history for Upstream Bio, Inc. (UPB) from 2026 to 2026
Shares Outstanding at the end of each year
Year Shares Outstanding Change
Not enough data for the provided dates.
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