What is Automatic Data Processing, Inc.'s shares (diluted)?

Automatic Data Processing, Inc. (ADP) reported shares (diluted) of 402.5M in Q1 2026.

How has Automatic Data Processing, Inc.'s shares (diluted) changed year-over-year?

Automatic Data Processing, Inc.'s shares (diluted) decreased by 1.5% year-over-year, from 408.5M to 402.5M.

What does shares (diluted) mean?

The total number of shares that would exist if all 'potential' shares, like employee stock options, were converted into real stock.

Earnings Per Share

Shares (Diluted)

Automatic Data Processing, Inc. Shares (Diluted) decreased by 0.5% to 402.5M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 1.5%, from 408.5M to 402.5M. This is a positive signal — lower values indicate better performance for this metric.

Analysis

StatementIncome Statement

SectionEarnings Per Share

CategoryCapital Allocation

SignalLower is better

VolatilityStable

First reportedQ4 2013

Last reportedQ4 2025

How to read this metric

An increase relative to basic shares indicates a higher reliance on equity-based compensation or convertible debt financing.

Detailed definition

Weighted-average shares outstanding (diluted) includes the total number of basic common shares plus all additional share...

Peer comparison

Commonly compared against basic shares to determine the 'dilution overhang' present in a company's capital structure.

Metric ID: is_weighted_shares_diluted

Historical Data

15 periods

	Q3 '21	Q4 '21	Q1 '22	Q3 '22	Q4 '22	Q1 '23	Q3 '23	Q4 '23	Q1 '24	Q3 '24	Q4 '24	Q1 '25	Q3 '25	Q4 '25	Q1 '26
Value	423.8M	422M	420.2M	416.9M	416.2M	415.5M	413.6M	412.5M	412.1M	409.5M	409M	408.5M	406.5M	404.7M	402.5M
QoQ Change	—	-0.4%	-0.4%	-0.8%	-0.2%	-0.2%	-0.5%	-0.3%	-0.1%	-0.6%	-0.1%	-0.1%	-0.5%	-0.4%	-0.5%
YoY Change	—	—	—	-1.6%	-1.4%	-1.1%	-0.8%	-0.9%	-0.8%	-1.0%	-0.8%	-0.9%	-0.7%	-1.1%	-1.5%

Range402.5M – 423.8M

CAGR-1.5%

Avg YoY Growth-1.0%

Median YoY Growth-0.9%

Current Streak14+ quarters decline

Shares (Diluted) at Other Companies

OracleORCL View metric

Frequently Asked Questions

What is Automatic Data Processing, Inc.'s shares (diluted)?: Automatic Data Processing, Inc. (ADP) reported shares (diluted) of 402.5M in Q1 2026.
How has Automatic Data Processing, Inc.'s shares (diluted) changed year-over-year?: Automatic Data Processing, Inc.'s shares (diluted) decreased by 1.5% year-over-year, from 408.5M to 402.5M.
What does shares (diluted) mean?: The total number of shares that would exist if all 'potential' shares, like employee stock options, were converted into real stock.