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Automatic Data Processing shares outstanding ADP

Diluted shares outstanding, averaged over each quarter, from 2008.

Latest quarter, to Jun 30, 2026
399.7M
On a year earlier
−1.9%
fewer shares

Automatic Data Processing had 399.7M diluted shares outstanding on average in Q4 FY26, the quarter to Jun 30, 2026.

That is 1.9% 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
FY2026399.7M−2%
FY2025407.5M−0%
FY2024408M−1%
FY2023414.2M−1%
FY2022418.4M−2%
FY2021425.7M−1%
FY2020430.3M−1%
FY2019436.1M−1%
FY2018440.9M−1%
FY2017447.3M−2%
FY2016454.6M−3%
FY2015468.3M−3%
FY2014482.2M−1%
FY2013487.1M−1%
FY2012490.7M−2%

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
Q4 FY26399.7M−2%
Q3 FY26402.5M−1%
Q2 FY26404.7M−1%
Q1 FY26406.5M−1%
Q4 FY25407.5M−0%
Q3 FY25408.5M−1%
Q2 FY25409M−1%
Q1 FY25409.5M−1%
Q4 FY24408M−1%
Q3 FY24412.1M−1%
Q2 FY24412.5M−1%
Q1 FY24413.6M−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 Automatic Data Processing

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