Nasdaq
SPRO
Spero Therapeutics, Inc.
- Health Care
- Listed 2017
- 1 day
- +0.8%
- 1 month
- −41.2%
- 1 year
- −43.8%
$1.27 · Mkt cap $73.5M · P/E 8.47
At the 6 Aug 2026 close
Nasdaq
Spero Therapeutics, Inc.
$1.27 · Mkt cap $73.5M · P/E 8.47
At the 6 Aug 2026 close
Spero Therapeutics, Inc. trades under the ticker SPRO on Nasdaq, in the Health Care sector (Biotechnology: Pharmaceutical Preparations). It has been listed since 2017. Its market capitalisation is $73.5M. The last closing price was $1.27, on 6 Aug 2026. It trades at 8.47 times its last reported annual diluted earnings per share. Over the past year the share price is −43.8%, and −41.2% over the past month. Returns are price returns and exclude dividends.
This page exists because SPRO 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.