Sutro Biopharma (STRO) - Shares outstanding

Number of shares outstanding as of November 2026 : 16,571,602

According to Sutro Biopharma's latest financial reports and stock price the company's current number of shares outstanding is 16,571,602. At the end of 2024 the company had 61,457,793 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Sutro Biopharma from 2017 to 2024

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2024	61.45 M	1.42%
2023	60.59 M	15.77%
2022	52.34 M	13.39%
2021	46.16 M	25.14%
2020	36.88 M	60.75%
2019	22.94 M	0.54%
2018	22.82 M	226.17%
2017	6.99 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
OPKO Health OPK	746,479,131	4,404.57%	🇺🇸 USA
Onconova Therapeutics ONTX	21,043,458	26.99%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Number of shares outstanding for Sutro Biopharma (STRO)

Number of shares outstanding as of November 2026 : 16,571,602