MKS Inc. (MKSI) Shares Outstanding

Shares Outstanding

67.54M222.43K+0.33%

May 9, 2026

Summary

Current Value: As of today, MKSI has 67.54M outstanding shares, up +0.33% on May 9, 2026
Historical Performance: MKSI shares outstanding is up +0.51% year-over-year, up +0.96% over the past 3 years
All-Time High Comparison: MKSI shares outstanding is currently at its all-time high
3-Year Low Comparison: MKSI shares outstanding is +0.96% above its 3-year low of 66.90M reached on September 29, 2023

Chart

Performance

MKSI Performance
Metric	Date	Value	1Y	3Y	5Y
Shares Outstanding	May 9, 26	67.54M	+0.5%	+1.0%	+21.9%
Price	Jul 8, 26	$349.39	+234.3%	+232.7%	+116.4%
Market Cap	Jul 8, 26	$24B	+236.0%	+235.9%	+163.8%
PE Ratio	Jul 8, 26	73.03	+174.9%	–	+287.4%
TTM Revenue	Mar 31, 26	$4.07B	+11.4%	+13.2%	+63.6%
TTM EPS	Mar 31, 26	$4.78	+42.6%	+84.1%	-34.2%
	Jul 8, 26	$27.32B	+147.3%	+139.2%	+205.9%
TTM Net Income	Mar 31, 26	$328.00M	+44.5%	+121.6%	-18.7%
TTM Dividend	Jul 8, 26	$0.69	-21.6%	-21.6%	-15.8%

Highs

MKSI Shares Outstanding Highs Comparison
Period	High	Date	Current
1Y	67.54M	May 9, 26	at high
3Y	67.54M	May 9, 26	at high
5Y	67.54M	May 9, 26	at high
All	67.54M	May 9, 26	at high

Lows

MKSI Shares Outstanding Lows Comparison
Period	Low	Date	Current
1Y	67.17M	Feb 1, 26	+0.6%
3Y	66.90M	Sep 29, 23	+1.0%
5Y	55.40M	N/A	+21.9%
All	18.05M	Dec 30, 98	+274.1%

History

Month	Value	Change
May 2026	67.54M	+0.5%
Dec 2025	67.20M	-0.3%
Dec 2024	67.40M	+0.7%
Dec 2023	66.90M	+0.5%
Dec 2022	66.60M	+20.0%
Dec 2021	55.50M	+0.5%
Dec 2020	55.20M	+1.1%
Dec 2019	54.60M	+1.0%
Dec 2018	54.04M	-0.6%
Dec 2017	54.36M	+1.3%
Dec 2016	53.67M	+0.9%
Dec 2015	53.20M	+0.1%
Dec 2014	53.15M	-0.4%
Dec 2013	53.36M	+1.2%
Dec 2012	52.75M	+0.5%

Month	Value	Change
Dec 2011	52.49M	+3.6%
Dec 2010	50.65M	+2.3%
Dec 2009	49.51M	+0.5%
Dec 2008	49.28M	-9.2%
Dec 2007	54.26M	-4.3%
Dec 2006	56.67M	+4.2%
Dec 2005	54.40M	+1.0%
Dec 2004	53.84M	+3.5%
Dec 2003	52.04M	+1.3%
Dec 2002	51.36M	+35.2%
Dec 2001	38.00M	+48.4%
Dec 2000	25.60M	+3.9%
Dec 1999	24.63M	+36.4%
Dec 1998	18.05M	-

FAQ

What is the current shares outstanding of MKSI?
As of today, MKSI shares outstanding is 67.54M
What is 1-year change in MKSI shares outstanding?
MKSI shares outstanding is up +0.51% year-over-year
What is 3-year change in MKSI shares outstanding?
MKSI shares outstanding is up +0.96% over the past 3 years
How far is MKSI shares outstanding from its all-time high?
MKSI shares outstanding is currently at its all-time high

Data Sources & References

MKSI Official Website www.mks.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1049502/000119312526066820/0001193125-26-066820-index.htm
MKSI Profile on Yahoo Finance finance.yahoo.com/quote/MKSI
MKSI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mksi