MKS Inc. (MKSI)
Nasdaq · Common stock · Industrial Instruments For Measurement, Display, And Control
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MKSI at a glance
Key statistics
$14.28B
Market capitalization
- Previous close
- $211.14
- Open
- $218.56
- Day range
- $213.41 – $218.56
- Volume
- 697.3K
- Average volume (30 sessions)
- 1.30M
- Shares outstanding
- 67.62M
- Price / earnings
- 32.5
- Earnings per share
- $6.51
- Price / book
- 4.8
- Price / sales
- 3.3
- Dividend yield
- 0.44%
- Beta (1 year, vs SPY)
- 2.75
Where the price sits in its year
52-week range
27% of the range
- Below the 52-week high
- -51.7%
- Above the 52-week low
- +65.2%
Completed sessions through Oct 20, 2026
Technical snapshot
Below its 50-day and 200-day averages
- 20-day average
- $254.17-16.9%
- 50-day average
- $262.91-19.7%
- 200-day average
- $277.22-23.8%
In the band below 30 that convention calls oversold. Weak trends can stay there for weeks.
-14.7%
1 week
-17.8%
1 month
-38.8%
3 months
+32.1%
Year to date
+54.7%
1 year
Price change over each window, from completed sessions. Past performance does not indicate future results.
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What members do with MKSI
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From the public news wire
MKSI headlines
- MKS Inc. Named in U.S. News & World Report’s 2026-2027 Best Companies to Work For
GlobeNewswire Inc. · Jul 14, 2026
- MKS Expanding Manufacturing Capability to Enable Next Wave of AI Build-Out
GlobeNewswire Inc. · Jun 25, 2026
- MKS Celebrates Opening of Supercenter Factory in Malaysia, Strengthening Semiconductor Manufacturing Capabilities
GlobeNewswire Inc. · Jun 22, 2026
- MKS Inc. Declares Quarterly Cash Dividend
Benzinga · May 12, 2026
- MKS Inc. Announces First Quarter 2026 Earnings Conference Call
GlobeNewswire Inc. · Apr 13, 2026
- MKS Inc. Increases Quarterly Cash Dividend
Benzinga · Feb 10, 2026
- MKS Instruments to Participate in JP Morgan’s 53rd Annual Global Technology, Media and Communications Conference
GlobeNewswire Inc. · Apr 28, 2025
- MKS Instruments Completes Repricing on its Secured Term Loan B USD and EUR Tranches and Makes a $100 Million Voluntary Prepayment on its Secured Term Loan B USD
GlobeNewswire Inc. · Jan 24, 2025
SEC Form 4, most recent first
Insider filings
Mora Elizabeth
−300
Director · Open-market sale
$75.29K · Sep 1, 2026
Donlan Renee Martel
+954.044
EVP, GC & CCO · Grant or award
· Aug 17, 2026
Lee John Tseng-Chung
−10.0K
President & CEO, Director · Open-market sale
$3.02M · Aug 14, 2026
Williams John Edward
−457
EVP & GM, PSD · Open-market sale
$131.76K · Aug 3, 2026
Schreiner James Alan
−812
EVP & COO · Open-market sale
$281.28K · Jun 12, 2026
Schreiner James Alan
−217
EVP & COO · Open-market sale
$75.30K · Jun 12, 2026
Schreiner James Alan
−2.5K
EVP & COO · Open-market sale
$853.79K · Jun 12, 2026
Schreiner James Alan
−781
EVP & COO · Open-market sale
$247.91K · Jun 10, 2026
About MKS Inc.
MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company provides instruments, components, subsystems, systems, process control solutions, and specialty chemicals technology that improve process performance and optimize productivity. Its solutions address challenges of miniaturization and complexity in device manufacturing, enabling increased power, speed, and feature enhancement. MKS Inc operates through three divisions: Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The company operates in the United States, which generates maximum revenue, as well as China and other countries.
- Exchange
- Nasdaq
- Security
- Common stock
- Industry
- Industrial Instruments For Measurement, Display, And Control
- Headquarters
- Andover, MA
- Employees
- 10,300
- Listed since
- Mar 30, 1999
- Website
- mksinst.com
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