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Upstream Bio, Inc. UPB

Healthcare · Biotechnology

$4.17last close 2026-10-12 · market cap $228.40M · delayed data

Trailing returns

1M-27.23%
3M-44.62%
6M-60.25%
1Y-78.75%

Basis: Adjusted daily closes.

What it does

Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. It offers verekitug, which is in Phase 2 trials for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps and chronic obstructive pulmonary disease and in Phase I clinical trial for treating chronic obstructive pulmonary disease.

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Valuation, cost of capital, SEC filings, ownership and more, with the source named on every figure.

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Where these figures come from

Delayed data. Not financial advice. Figures are read from the sources above at the dates shown; nothing here is a recommendation. Disclosures · All companies