What is MKS Instruments's shares (diluted)?

MKS Instruments (MKSI) reported shares (diluted) of 71.1M in Q1 2026.

How has MKS Instruments's shares (diluted) changed year-over-year?

MKS Instruments's shares (diluted) increased by 5.0% year-over-year, from 67.7M to 71.1M.

What is the long-term trend for MKS Instruments's shares (diluted)?

Over 2 years (2022 to 2025), MKS Instruments's shares (diluted) has grown at a 7.7% compound annual growth rate (CAGR), from 175M to 202.8M.

What does shares (diluted) mean?

The average number of shares outstanding including all potential shares that could be created.

Earnings Per Share

Shares (Diluted)

MKS Instruments Shares (Diluted) increased by 71000.0% to 71.1M in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 5.0%, from 67.7M to 71.1M. Over 2 years (FY 2022 to FY 2025), Shares (Diluted) shows an upward trend with a 7.7% CAGR. This increase may warrant attention — for this metric, lower values are generally preferred.

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 '21	Q3 '21	Q1 '22	Q2 '22	Q3 '22	Q4 '22	Q1 '23	Q1 '24	Q2 '24	Q3 '24	Q4 '24	Q1 '25	Q2 '25	Q3 '25	Q4 '25	Q1 '26
Value	55.7M	55.7M	55.8M	55.8M	61.1M	2.3M	66.7M	67.4M	67.5M	67.6M	100K	67.7M	67.4M	67.6M	100K	71.1M
QoQ Change	—	+0.0%	+0.2%	+0.0%	+9.5%	-96.2%	>999%	+1.0%	+0.1%	+0.1%	-99.9%	>999%	-0.4%	+0.3%	-99.9%	>999%
YoY Change	—	—	—	+0.2%	+9.7%	—	+19.5%	+1.0%	—	—	—	+0.4%	-0.1%	+0.0%	+0.0%	+5.0%

Range100K – 71.1M

CAGR+6.7%

Avg YoY Growth+4.0%

Median YoY Growth+0.4%

Shares (Diluted) at Other Companies

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Frequently Asked Questions

What is MKS Instruments's shares (diluted)?: MKS Instruments (MKSI) reported shares (diluted) of 71.1M in Q1 2026.
How has MKS Instruments's shares (diluted) changed year-over-year?: MKS Instruments's shares (diluted) increased by 5.0% year-over-year, from 67.7M to 71.1M.
What is the long-term trend for MKS Instruments's shares (diluted)?: Over 2 years (2022 to 2025), MKS Instruments's shares (diluted) has grown at a 7.7% compound annual growth rate (CAGR), from 175M to 202.8M.
What does shares (diluted) mean?: The average number of shares outstanding including all potential shares that could be created.