Exchange: NASDAQ·Updated 07:30 PM EDT
UPB logo

UPB Upstream Bio Inc.

$4.70
$0.15
(3.30%)
Today
Closed $4.70
$0.00
(0.00%)
After Hours
EarningsNov 4
Mkt Cap$249.21M
Vol1.19M

About UPB

Upstream Bio, Inc. is a clinical-stage biotechnology company, which engages in the development of treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. It develops verekitug, the only known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin. The company was founded in April 2021 and is headquartered in Waltham, MA.
44

Bearish Sentiment

How do you feel about UPB?

Xrx12
$UPB I think management just forgot they were a public company and probably just haven't seen their stock price in the past 8 months 😂
Xrx12
$UPB another drop possibly coming since no buyers here. this is possibly the worst performing biotech in 2026?

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