Puma Biotechnology, Inc. (PBYI): Shares Outstanding

Annual figures by period end, from SEC filings.

Restated years: each year's figure is from the latest filing that reports it. The company later restated the years ended 2021-12-31, 2022-12-31 (for example after a spin-off or a discontinued operation), while the year before each was last reported on the old basis. Changes across those points are marked n/c (not comparable), and growth rates are not computed across them.

50.41M

As of 2025-12-31

51.10M

As of 2026-06-30

+2.8%

3-year compound annual growth

2010-12-31 Shares Outstanding (shares) 2025-12-31

Period ended	Shares Outstanding	Change YoY	Source filing
2025-12-31	50.41M	+2.7%	2026-02-26, Balance as of period end
2024-12-31	49.11M	+3.1%	2026-02-26, Balance as of period end
2023-12-31	47.65M	+2.8%	2025-02-27, Balance as of period end
2022-12-31	46.35M	n/c	2024-02-29, Balance as of period end
2021-12-31	41.18M	n/c	2023-03-02, Balance as of period end
2020-12-31	40.09M	+2.3%	2022-03-03, Balance as of period end
2019-12-31	39.20M	+2.3%	2021-03-01, Balance as of period end
2018-12-31	38.33M	+1.9%	2020-02-28, Balance as of period end
2017-12-31	37.59M	+2.1%	2019-03-01, Balance as of period end
2016-12-31	36.83M	+13.4%	2018-03-09, Balance as of period end
2015-12-31	32.47M	+6.3%	2017-03-01, Balance as of period end
2014-12-31	30.55M	+5.4%	2016-02-29, Balance as of period end
2013-12-31	28.99M	+1.1%	2015-03-02, Balance as of period end
2012-12-31	28.68M	n/c	2014-03-03, Balance as of period end
2011-12-31	20.04M	n/c	2013-04-01, Balance as of period end
2010-12-31	4.00M	n/a	2012-03-29, Balance as of period end