MKS Inc. (MKSI) - Stock Analysis

Last updated: Sep 20, 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
$202.28
Market Cap
$13.68B
1D Return
+2.92%
YTD Return
+26.92%

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Valuation Metrics

P/E
30.9
P/B
4.6
P/S
3.1
EV/EBITDA
17.2
Div Yield
0.48%

Fundamental Analysis

6.0

Key Financial Insights: • Margin expansion • Liquidity pressure • Debt reduction MKSI's profitability, cash generation, and leverage improved, but weaker liquidity, heavy intangibles, and still-demanding valuation warrant caution.

Profitability
Liquidity

Price Behavior

5.0

Key Price Behavior Insights: • Short-term downtrend • 9% rebound • Key resistance Support Level: $231–$240 Resistance Level: $258–$268 MKSI remains cautious despite a 9% rebound over the last month, with support at $231–$240 and a bullish shift requiring a sustained move above $268.

rebound
cautious

Sentiment & News

6.0

Key News Insights: • Record Revenue • Institutional Buying • Margin Pressure MKS posted record Q2 revenue and drew strong institutional buying, but margin pressures and a 14.3% post-earnings share decline signal near-term volatility despite positive long-term demand prospects.

MKSI
Semiconductors
AI

AI Summary

6.0
Neutral

MKSI is a leveraged AI/advanced-manufacturing execution bet—not merely a semiconductor recovery—where sustained free-cash-flow-driven deleveraging and successful Penang/Guangzhou ramps must validate an already demanding valuation, making debt reduction and margin durability the key milestones to monitor.

AICapex
ExecutionRisk
Deleveraging
AI summary updated 36 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.