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ATI shares outstanding ATI

Diluted shares outstanding, averaged over each quarter, from 2009.

Latest quarter, to Jun 28, 2026
138.3M
On a year earlier
−3.4%
fewer shares

ATI had 138.3M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 28, 2026.

That is 3.4% fewer than a year earlier, so each share owns a little more of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025139.4M−4%
FY2024145.7M−3%
FY2023149.7M−31%
FY2022217.4M+71%
FY2021127.4M+0%
FY2020126.8M−14%
FY2019146.8M+0%
FY2018146.5M+25%
FY2017117.2M+9%
FY2016107.3M−2%
FY2015109.2M+2%
FY2014107.1M+0%
FY2013107.1M−8%
FY2012116.6M−0%
FY2011116.9M+18%

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 FY26138.3M−3%
Q1 FY26138.6M−4%
Q4 FY25139.4M−4%
Q3 FY25140.5M−4%
Q2 FY25143.1M−2%
Q1 FY25144.2M−2%
Q4 FY24145.7M−3%
Q3 FY24146.8M−2%
Q2 FY24146.3M−3%
Q1 FY24147.5M−2%
Q4 FY23149.7M−31%
Q3 FY23150.2M−0%

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 ATI

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