Alcoa (AA) - Shares outstanding

Number of shares outstanding as of May 2026 : 263,650,023

According to Alcoa's latest financial reports and stock price the company's current number of shares outstanding is 263,650,023. At the end of 2026 the company had 263,650,023 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Alcoa from 2016 to 2026

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2026	0.26 B	1.04%
2025	0.26 B	1%
2024	0.25 B	44.76%
2023	0.17 B	0.86%
2022	0.17 B	-4.69%
2021	0.18 B	-0.15%
2020	0.18 B	0.2%
2019	0.18 B	-0.49%
2018	0.18 B	0.76%
2017	0.18 B	1.31%
2016	0.18 B

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
BHP Group BHP	2,536,500,000	862.07%	🇦🇺 Australia
Kaiser Aluminum KALU	16,248,000	-93.84%	🇺🇸 USA
Century Aluminum CENX	96,900,000	-63.25%	🇺🇸 USA
Aluminum Corporation of China 601600.SS	17,112,213,622	6,390.50%	🇨🇳 China

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 Alcoa (AA)

Number of shares outstanding as of May 2026 : 263,650,023