Aptose Biosciences (APTO) - Shares outstanding

Number of shares outstanding as of December 2025 : 2,126,287

According to Aptose Biosciences's latest financial reports and stock price the company's current number of shares outstanding is 2,126,287. At the end of 2025 the company had 2,126,287 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Aptose Biosciences from 2014 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	2.12 M	243.69%
2024	0.61 M	185.76%
2023	0.21 M	5.56%
2022	0.2 M	3.76%
2021	0.19 M	3.6%
2020	0.19 M	54.83%
2019	0.12 M	60.33%
2018	0.07 M	43.75%
2017	0.05 M	59.34%
2016	0.03 M	29.5%
2015	0.02 M	0.26%
2014	0.02 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Advaxis ADXS	6,019,063	183.08%	🇺🇸 USA
Corbus Pharmaceuticals CRBP	12,240,443	475.67%	🇺🇸 USA
ImmunoGen IMGN	273,341,000	12,755.32%	🇺🇸 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 Aptose Biosciences (APTO)

Number of shares outstanding as of December 2025 : 2,126,287