Earnings Per Share

Shares (Diluted)

Quest Diagnostics Shares (Diluted) decreased by 0.9% to 112M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 0.9%, from 113M to 112M. 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 2014
Last reportedQ1 2026

How to read this metric

An increase indicates potential dilution from employee compensation or convertible instruments, which can reduce earnings per share.

Detailed definition

The weighted-average number of common shares outstanding plus the effect of all potentially dilutive securities, such as...

Peer comparison

Standard metric for all public companies; essential for understanding the impact of equity-based compensation.

Metric ID: weighted_shares_diluted

Historical Data

15 periods
 Q2 '21Q3 '21Q1 '22Q2 '22Q3 '22Q1 '23Q2 '23Q3 '23Q1 '24Q2 '24Q3 '24Q1 '25Q2 '25Q3 '25Q1 '26
Value127M125M121M119M118M113M114M114M112M112M113M113M113M113M112M
QoQ Change-1.6%-3.2%-1.7%-0.8%-4.2%+0.9%+0.0%-1.8%+0.0%+0.9%+0.0%+0.0%+0.0%-0.9%
YoY Change-6.3%-5.6%-6.6%-4.2%-3.4%-0.9%-1.8%-0.9%+0.9%+0.9%+0.0%-0.9%
Range112M127M
CAGR-3.5%
Avg YoY Growth-2.4%
Median YoY Growth-1.3%

Frequently Asked Questions

What is Quest Diagnostics's shares (diluted)?
Quest Diagnostics (DGX) reported shares (diluted) of 112M in Q1 2026.
How has Quest Diagnostics's shares (diluted) changed year-over-year?
Quest Diagnostics's shares (diluted) decreased by 0.9% year-over-year, from 113M to 112M.
What does shares (diluted) mean?
The average number of shares outstanding including all potential shares that could be created.