Earnings Per Share

Shares (Diluted)

Illumina Shares (Diluted) remained flat by 0.0% to 154M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 3.1%, from 159M to 154M. 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

16 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q1 '23Q2 '23Q3 '23Q1 '24Q2 '24Q3 '24Q1 '25Q2 '25Q3 '25Q1 '26
Value147M153M2M159M157M157M158M158M158M159M159M160M159M157M154M154M
QoQ Change+4.1%-98.7%>999%-1.3%+0.0%+0.6%+0.0%+0.0%+0.6%+0.0%+0.6%-0.6%-1.3%-1.9%+0.0%
YoY Change+6.8%+2.6%-0.6%+0.6%+0.6%+0.6%+0.6%+1.3%+0.0%-1.3%-3.8%-3.1%
Range2M160M
CAGR+1.2%
Avg YoY Growth+0.4%
Median YoY Growth+0.6%

Frequently Asked Questions

What is Illumina's shares (diluted)?
Illumina (ILMN) reported shares (diluted) of 154M in Q1 2026.
How has Illumina's shares (diluted) changed year-over-year?
Illumina's shares (diluted) decreased by 3.1% year-over-year, from 159M to 154M.
What does shares (diluted) mean?
The average number of shares outstanding including all potential shares that could be created.