MKS Inc. (MKSI) - Stock Analysis

Last updated: Sep 6, 2026

Research Idea

Research content for general circulation. Not individualized advice. Methodology & Disclosures

Strong recent price momentum (+42% over three months), robust Q3 2025 revenue and earnings beat, AI-driven semiconductor growth exposure, record equipment bookings, and excellent liquidity support near-term upside ahead of Q4 FY2025 earnings February 17, 2026.

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Idea window: 2/2/2026 – 2/9/2026Sector: Technology

AI Analyst Overview

Last Price
$267.31
Market Cap
$18.06B
1D Return
+2.09%
YTD Return
+67.73%

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Valuation Metrics

P/E
40.9
P/B
6.0
P/S
4.2
EV/EBITDA
23.5
Div Yield
0.36%

Fundamental Analysis

5.0

Key Financial Insights: • Margin Expansion • Liquidity Pressure • High Leverage MKSI's improving margins, cash flow, and interest coverage are offset by high leverage, weak liquidity, and a premium valuation, warranting caution.

MarginRecovery
LiquidityRisk

Price Behavior

4.0

Key Price Behavior Insights: • Bearish trend • Support rebound • Oversold momentum Support Level: $246–$250 Resistance Level: $270–$272 MKSI remains bearish over the last month, but an oversold RSI and rebound from $246–$250 support favor a short-term bounce unless $246 breaks; watch $270–$272 resistance for confirmation.

OversoldBounce
BearishTrend

Sentiment & News

7.0

Key News Insights: • Strong Q2 Growth • AI Demand Tailwind • Margin Pressure MKS delivered strong Q2 growth and AI-driven demand visibility into 2027, but recent share weakness and margin pressure warrant caution despite bullish analyst upside.

MKS
Semiconductors
AI

AI Summary

6.0
Neutral

MKSI is an AI-driven semiconductor and advanced-packaging capacity expansion play, but its premium valuation and elevated leverage make sustained free-cash-flow generation, margin stability, and deleveraging—not demand growth—the critical proof points; watch upcoming guidance and liquidity metrics before treating the recent selloff as a buying opportunity.

AIDemand
BalanceSheetRisk
Execution
AI summary updated 5 days ago

Description

MKS Inc. supplies instruments, systems and process-control subsystems used to measure, monitor, deliver, power and regulate key parameters in manufacturing processes globally. Its businesses include vacuum and analysis technologies for pressure control, materials delivery and power delivery for surface processing; a light and motion division producing lasers, photonics components, optical assemblies and motion/temperature control products; and an equipment division that manufactures laser systems for PCB production and test systems for electronic components. The company serves semiconductor, industrial, life sciences, research and defense customers and sells through direct and distributor channels; it is headquartered in Andover, Massachusetts and was incorporated in 1961.

Idea History

DateCloseTickerCompanySummaryStatusP/L
Feb 2Feb 9MKSIMKS Inc.
Strong recent price momentum (+42% over three months), robust Q3 2025 revenue and earnings beat, AI-driven semiconductor growth exposure, record equipment bookings, and excellent liquidity support near-term upside ahead of Q4 FY2025 earnings February 17, 2026.
Closed+7.3%
Research content for educational purposes only. Not investment advice. All decisions are your responsibility.