What is Cardinal Health's shares (diluted)?

Cardinal Health (CAH) reported shares (diluted) of 236M in Q1 2026.

How has Cardinal Health's shares (diluted) changed year-over-year?

Cardinal Health's shares (diluted) decreased by 2.1% year-over-year, from 241M to 236M.

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)

Cardinal Health Shares (Diluted) decreased by 0.4% to 236M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 2.1%, from 241M to 236M. 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 reportedQ1 2013

Last reportedQ1 2026

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: 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	289M	281M	275M	273M	261M	258M	250M	246M	245M	245M	243M	241M	239M	237M	236M
QoQ Change	—	-2.8%	-2.1%	-0.7%	-4.4%	-1.1%	-3.1%	-1.6%	-0.4%	+0.0%	-0.8%	-0.8%	-0.8%	-0.8%	-0.4%
YoY Change	—	—	—	-5.5%	-7.1%	-6.2%	-8.4%	-5.7%	-5.0%	-2.0%	-1.2%	-1.6%	-2.4%	-2.5%	-2.1%

Range236M – 289M

CAGR-5.6%

Avg YoY Growth-4.2%

Median YoY Growth-3.8%

Current Streak5 quarters decline

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Frequently Asked Questions

What is Cardinal Health's shares (diluted)?: Cardinal Health (CAH) reported shares (diluted) of 236M in Q1 2026.
How has Cardinal Health's shares (diluted) changed year-over-year?: Cardinal Health's shares (diluted) decreased by 2.1% year-over-year, from 241M to 236M.
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.