Puma Biotechnology (PBYI) - Shares outstanding

Number of shares outstanding as of December 2025 : 50,339,456

According to Puma Biotechnology's latest financial reports and stock price the company's current number of shares outstanding is 50,339,456. At the end of 2025 the company had 50,339,456 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Puma Biotechnology from 2008 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	50.33 M	2.53%
2024	49.09 M	3.31%
2023	47.52 M	3.72%
2022	45.81 M	11.77%
2021	40.99 M	2.78%
2020	39.88 M	2.14%
2019	39.04 M	2.21%
2018	38.2 M	1.78%
2017	37.53 M	5.16%
2016	35.69 M	10.02%
2015	32.44 M	7.32%
2014	30.23 M	5.41%
2013	28.68 M	8.19%
2012	26.51 M	562.78%
2011	4 M	33.33%
2010	3 M	0%
2009	3 M	0%
2008	3 M

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 Puma Biotechnology (PBYI)