Aspen Aerogels (ASPN) - Shares outstanding

Number of shares outstanding as of December 2025 : 82,399,599

According to Aspen Aerogels's latest financial reports and stock price the company's current number of shares outstanding is 82,399,599. At the end of 2025 the company had 82,399,599 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Aspen Aerogels from 2010 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	82.39 M	1.84%
2024	80.9 M	15.55%
2023	70.01 M	42.31%
2022	49.2 M	50.69%
2021	32.65 M	20.68%
2020	27.05 M	11.92%
2019	24.17 M	1.43%
2018	23.83 M	1.46%
2017	23.48 M	1.18%
2016	23.21 M	0.7%
2015	23.05 M	0.26%
2014	22.99 M	-0.03%
2013	23 M
2011	23 M	0%
2010	23 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
UFP Technologies UFPT	7,712,000	-90.64%	🇺🇸 USA
Cabot Corporation CBT	53,100,000	-35.56%	🇺🇸 USA
Owens Corning OC	83,400,000	1.21%	🇺🇸 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 Aspen Aerogels (ASPN)

Number of shares outstanding as of December 2025 : 82,399,599