Nasdaq
UPB
Upstream Bio, Inc.
- Health Care
- Listed 2024
- 1 day
- +1.9%
- 1 month
- −12.6%
- 1 year
- −58.9%
$6.87 · Mkt cap $374M
At the 6 Aug 2026 close
Nasdaq
Upstream Bio, Inc.
$6.87 · Mkt cap $374M
At the 6 Aug 2026 close
Upstream Bio, Inc. trades under the ticker UPB on Nasdaq, in the Health Care sector (Biotechnology: Pharmaceutical Preparations). It has been listed since 2024. Its market capitalisation is $374M. The last closing price was $6.87, on 6 Aug 2026. No price-to-earnings ratio is shown, because it did not report positive earnings in its last annual filing. Over the past year the share price is −58.9%, and −12.6% over the past month. Returns are price returns and exclude dividends.
This page exists because UPB is one of the shares What A Share can show you. It is not a recommendation, and its appearance here says nothing about whether the company is worth owning.