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Alcoa shares outstanding AA

Diluted shares outstanding, averaged over each quarter, from 2016.

Latest quarter, to Jun 30, 2026
266M
On a year earlier
+2.3%
more shares

Alcoa had 266M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.

That is 2.3% more than a year earlier, so each share owns a little less of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025264M+2%
FY2024259M+46%
FY2023178M+0%
FY2022178M−3%
FY2021183M−2%
FY2020186M+1%
FY2019185M−2%
FY2018189M+3%
FY2017184M−0%
FY2016184.6Mn/a

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q2 FY26266M+2%
Q1 FY26266M+2%
Q4 FY25264M+2%
Q3 FY25261M+12%
Q2 FY25260M+44%
Q1 FY25260M+45%
Q4 FY24259M+46%
Q3 FY24234M+31%
Q2 FY24181M+2%
Q1 FY24179M+1%
Q4 FY23178M+0%
Q3 FY23178M−1%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on Alcoa

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.