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NASDAQ · MKSI

MKS Inc.

Technology · Hardware, Equipment & Parts

$216.17

Down-$2.07 (-0.95%)

Updated Oct 30, 2026, 6:06 AM

SID Score

5.4/10

Composite research score

Smart Money

58/100

Neutral

Market cap
11.2B
P/E ratio
40.36
Dividend yield
0.41%
52-week range
$134.74 – $447.62
Volume
770K
Avg. volume
1.14M

Price performance · MKSI

MKSI price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 29, 2026

MKSI closed at $216.17 after 21 trading sessions, down 20.30% for the selected period.

Last close
$216.17
Period change
-20.30%
Period low
$196.11
Period high
$281.41
Daily close
View OHLC price history
MKSI OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 29, 2026$216.665$222.30$214.50$216.17770K
Oct 28, 2026$218.68$220.41$214.35$218.24972.91K
Oct 27, 2026$206.78$212.705$204.085$212.161.01M
Oct 26, 2026$198.75$205.3329$197.032$202.281.05M
Oct 23, 2026$193.99$200.1875$192.0094$196.551.15M
Oct 22, 2026$204.01$205.18$193.21$196.112.56M
Oct 21, 2026$220.69$220.69$213.19$216.101.35M
Oct 20, 2026$210.565$216.82$205.6167$211.141.16M
Oct 19, 2026$221.51$223.49$215.085$215.411.35M
Oct 16, 2026$224.395$225.79$213.95$214.831.6M
Oct 15, 2026$224.32$230.57$212.35$228.522.57M
Oct 14, 2026$241.02$244.5392$232.20$234.501.68M
Oct 13, 2026$242.35$249.5199$238.14$247.561.69M
Oct 12, 2026$261.18$261.18$249.81$249.911.37M
Oct 9, 2026$266.09$267.9613$256.645$264.50636.48K
Oct 8, 2026$266.69$274.07$257.595$260.381.28M
Oct 7, 2026$271.72$274.99$269.11$273.151.01M
Oct 6, 2026$285.40$286.38$276.555$281.411.06M
Oct 5, 2026$279.79$284.21$273.60$280.501.13M
Oct 2, 2026$284.10$284.625$278.91$279.151.35M
Oct 1, 2026$265.57$275.48$262.7736$271.241.34M

Latest MKSI news

The latest Smart Investors Daily articles mentioning MKSI.

Stock researchCompany · Overview

MKSI research

Overview

Company profile and research snapshot.

Company profile

MKS Inc formerly, MKS Instruments Inc is engaged in providing instruments, subsystems, and process control systems used to measure, monitor, deliver, and control parameters of manufacturing processes. The company's product portfolio includes instruments, components, and systems required in manufacturing products such as flat panel displays, medical devices, and electronic materials, among others, used in industrial technologies, semiconductors, life and health sciences, and research and defense markets. The company organizes itself into three reportable business segments: Vacuum Solutions, Photonics Solutions, and Materials Solutions. The Vacuum Solutions segment contributes the majority of the company's revenue.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
$163.40
Implied upside
—
Analysts
—
MKSI recent ratings
DateFirmRatingTarget
Oct 26, 2026Morgan StanleyOverweight—
Sep 17, 2026Morgan StanleyOverweight—
Aug 25, 2026MizuhoOutperform—
Aug 7, 2026CitigroupBuy—
Aug 7, 2026Wells FargoEqual-Weight—
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News briefing

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Yahoo · Oct 24, 2026

MKS Instruments (MKSI) Stock May Be 21% Undervalued As Optics Sale Reshapes Focus

MKS Instruments has delivered strong multi year share gains, yet the recent pullback has many holders asking whether the current US$196.55 price is still in line with the cash the business can generate. With fresh asset sale news on the table, the key question is what the stock now implies about the durability and timing of those cash flows. Over the past 3 years MKS has returned about 198.9%, which puts a lot of past optimism about its cash generation under the microscope today. The agreed...

Yahoo · Oct 22, 2026

TTM Technologies, Inc. Reports Third Quarter 2026 Results

SANTA ANA, Calif., Oct. 22, 2026 (GLOBE NEWSWIRE) -- TTM Technologies, Inc. (NASDAQ: TTMI) (“TTM”), a leading global manufacturer of technology products, including mission systems, radio frequency (“RF”) components, RF microwave/microelectronic assemblies, and technologically advanced interconnect products, including printed circuit boards (“PCB”s) and substrates, today reported results for the third quarter of 2026, which ended on September 28, 2026. Third Quarter 2026 Highlights Net sales were

Yahoo · Oct 19, 2026

Why TTM Technologies (TTMI) Stock Is Trading Up Today

Shares of PCB manufacturing company TTM Technologies (NASDAQ:TTMI) jumped 4.3% in the morning session after retreating Treasury yields and broad technology dip-buying supported equities, with the company agreeing to acquire MKS Inc.'s Ophir Optics unit for approximately $650 million in cash.

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