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Smart Investors Daily
MK

NASDAQ · MKSI

MKS Inc.

Technology · Hardware, Equipment & Parts

$280.50

Up+$1.35 (+0.48%)

Updated Oct 6, 2026, 7:41 AM

SID Score

5.9/10

Composite research score

Smart Money

58/100

Neutral

Market cap
11.2B
P/E ratio
40.36
Dividend yield
0.31%
52-week range
$200.50 – $447.62
Volume
1.13M
Avg. volume
1.14M

Price performance · MKSI

MKSI price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 5, 2026

MKSI closed at $280.50 after 20 trading sessions, up 5.65% for the selected period.

Last close
$280.50
Period change
+5.65%
Period low
$231.50
Period high
$280.50
Daily close
View OHLC price history
MKSI OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
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
Sep 30, 2026$267.82$267.9979$260.23$265.36751.3K
Sep 29, 2026$264.18$266.28$261.36$266.02807.54K
Sep 28, 2026$259.56$259.69$251.19$258.381.1M
Sep 25, 2026$261.01$262.66$257.90$260.82683.39K
Sep 24, 2026$256.64$259.815$254.21$257.98695.45K
Sep 23, 2026$260.37$263.78$253.41$262.721.53M
Sep 22, 2026$253.50$260.66$252.60$260.372.71M
Sep 21, 2026$258.20$259.00$251.79$256.92948.16K
Sep 18, 2026$244.03$252.38$243.00$252.082.23M
Sep 17, 2026$245.50$250.84$238.445$240.231.03M
Sep 16, 2026$237.80$240.48$232.03$235.28960.07K
Sep 15, 2026$242.60$242.60$228.46$231.501.63M
Sep 14, 2026$248.32$250.49$238.29$239.271.18M
Sep 11, 2026$267.86$270.29$264.74$267.311.25M
Sep 10, 2026$260.83$265.60$258.785$261.84961.35K
Sep 9, 2026$262.34$269.78$262.34$268.051.2M
Sep 8, 2026$264.06$270.17$260.35$265.501.75M

Latest MKSI news

The latest Smart Investors Daily articles mentioning MKSI.

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
Sep 17, 2026Morgan StanleyOverweight—
Aug 25, 2026MizuhoOutperform—
Aug 7, 2026CitigroupBuy—
Aug 7, 2026Wells FargoEqual-Weight—
Aug 7, 2026JP MorganOverweight—
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News briefing

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Yahoo · Sep 29, 2026

MKS (MKSI) Gains on Rising AI Semiconductor Demand

Cooke & Bieler, an investment management firm, released its second-quarter investor letter for “Mid Cap Value Equity Strategy.” The letter can be downloaded here. U.S. equities rallied significantly in Q2, driven by shifting geopolitical risks and strong investor appetite for high-beta stocks, particularly in the tech sector, contributing to the S&P 500® and Nasdaq’s best […]

Yahoo · Sep 23, 2026

MKS (MKSI) Gains Momentum as Chipmakers Expand

Madison Investments, an investment advisor, released its second-quarter 2026 investor letter for the “Madison Mid Cap Fund”. You can download a copy of the letter here. U.S. stock market indices posted their strongest second-quarter performance since 2020, driven largely by enthusiasm for Artificial Intelligence. Nine of the ten largest companies in the Russell Midcap Index […]

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