MKS Instruments combines a perfect four-quarter earnings beat streak, a technical breakout, and 149% free cash flow conversion with a stock that has already traded through its near-term analyst target — the fundamental momentum is genuine but the risk/reward geometry is currently unfavorable, and the setup favors watching for a pullback before adding.
Thesis pillars
- Geographic Concentration Risk↓Deteriorating
- Perfect Earnings Beat Streak↓Deteriorating
- Technical Breakout Momentum↑Improving
- +2 more pillars — see the Why tab for full reasoning
MKS Inc. (MKSI) Stock Analysis
Catalyst-Driven edge
Technology · Scientific & Technical Instruments
Sell if holding. Multiple concerning factors at $273.15: Concentration risk — Geographic: international revenues (81.0%); Concentration risk — Supplier: sole or limited source suppliers.
MKS Inc. supplies instruments, subsystems, and specialty chemicals to semiconductor manufacturers, electronics and packaging, and specialty industrial markets through its VSD, PSD, and MSD segments. In 2025, 43% of net revenues came from the semiconductor market, 28% from... Read more
Sell if holding. Multiple concerning factors at $273.15: Concentration risk — Geographic: international revenues (81.0%); Concentration risk — Supplier: sole or limited source suppliers. Chart setup: No clear chart pattern; technical signals are mixed. Score 6.5/10, moderate confidence.
Passes 6/7 gates (positive momentum, favorable risk/reward ratio, clean insider activity, earnings proximity 27d clear, semi cycle peak clear, materials cycle peak clear). Suitability: aggressive.
About MKS Inc.
About MKS Inc.
MKS Inc. split its 2025 net revenues 43% from the semiconductor market, 28% from electronics and packaging, and 29% from specialty industrial, with $299 million in R&D. International customers generated 81% of total net revenues, and 10,200 employees operate across manufacturing facilities in 18 countries. Three segments — Vacuum Solutions Division, Photonics Solutions Division, and Materials Solutions Division — serve chipmakers, PCB manufacturers, and industrial clients.
MKS earns revenue through product sales across vacuum technologies, photonics and laser systems, and specialty electrochemical plating chemistry and equipment. The top ten customers represented 35% of 2025 net revenues, with no single customer exceeding 10%, distributing demand across semiconductor capital equipment manufacturers, device makers, and PCB producers. In vacuum and power solutions, MKS competes against Advanced Energy Industries and Inficon; in laser products, against Trumpf Group and IPG Photonics; in chemistry, against Element Solutions. The semiconductor capital equipment market was cyclical across 2023–2025, with a 28% sequential revenue decline in 2023 followed by a 1% recovery in 2024 and 13% in 2025. Combined semiconductor and electronics manufacturing generated 71% of 2025 net revenues, and both segments may benefit from AI-related infrastructure investment.
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A supply-chain constraint shapes MKS's production risk: the company uses sole or limited source supply arrangements for certain metals and electronic components, including materials that customers require to be produced to 'copy exact' specifications. The 10-K states the company 'may not be able to procure these materials, parts and components from alternate sources at acceptable prices and quality within a reasonable time, or at all.' This exposure is compounded by significant subcontracted operations in Mexico and contract manufacturers across Asia, where trade restriction escalation may weigh on logistics and lead times.
See also: Technology · Scientific & Technical Instruments
From MKS Inc.'s most recent 10-K filing, extracted June 11, 2026.
Recent developments
updated 2026-10-08Recent Developments — MKS Inc.
Latest news
- NEWS MKS (MKSI) to Post Earnings on Wednesday - MarketBeat — MarketBeat neutral
- NEWS MKS (MKSI) to Release Quarterly Earnings on Wednesday - MarketBeat — MarketBeat neutral
- NEWS MKS (MKSI) down 6.8% since last earnings report: Can it rebound? - MSN — MSN negative
- NEWS Analysts Offer Insights on Technology Companies: Astera Labs, Inc. (ALAB), MKS (MKSI) and Skyworks Solutions (SWKS) - Th — The Globe and Mail positive
- NEWS MKS (MKSI) Gains Momentum as Chipmakers Expand - Yahoo Finance — Yahoo Finance positive
Generated 2026-10-08T11:32:06Z.
Upcoming dated catalysts
Thesis
Key Metrics
Quality Signals
Options Flow
Concentration Risks(10-K Item 1A)
- HIGHGeographicinternational revenues81%10-K Item 1: 'For 2025, 2024, and 2023, international net revenues accounted for approximately 81%, 78%, and 75%, respectively, of our total net revenues.'
- HIGHSuppliersole or limited source suppliers10-K Item 1: 'we have sole or limited source supply arrangements for certain materials, parts and components, such as certain metals and electronic components.'
- MEDIUMCustomertop ten customers35%10-K Item 1: 'Our top ten customers accounted for 35%, 32% and 30% of net revenues for 2025, 2024 and 2023, respectively.'
Material Events(8-K, last 90d)
- 2026-05-12Item 5.02LOWShareholders approved amendment to MKS Inc. 2022 Stock Incentive Plan at May 11, 2026 annual meeting, adding 6,200,000 shares to share reserve and updating company name. Routine compensatory arrangement; no personnel changes.SEC filing →
- 2026-04-06Item 5.02MEDIUMKathleen F. Burke, EVP, General Counsel and Secretary of MKS Inc., notified company of intent to retire effective June 1, 2026; will remain as special advisor until July 1, 2026. No successor named for General Counsel role.SEC filing →
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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Rating Breakdown
1 floor-breaker·1 ceiling hit
Technicals below the gate floor. Component breakdown shows what dragged the score down.static
Price Targets
Position Sizing
Analyst Consensus
Earnings
Verdict History
Frequently Asked Questions
Sell if holding. Multiple concerning factors at $273.15: Concentration risk — Geographic: international revenues (81.0%); Concentration risk — Supplier: sole or limited source suppliers. Chart setup: No clear chart pattern; technical signals are mixed. Prior stop was $254.03. Score 6.5/10, moderate confidence.
Take-profit target: $357.45 (+30.9% upside). Prior stop was $254.03. Stop-loss: $254.03.
Concentration risk — Geographic: international revenues (81.0%); Concentration risk — Supplier: sole or limited source suppliers; Sector modifier (Technology): -0.8.
MKS Inc. trades at a P/E of 44.7 (forward 15.5). TrendMatrix value score: 6.7/10. Verdict: Sell.
20 analysts cover MKSI with a consensus score of 4.0/5. Average price target: $411.
What does MKS Inc. do?MKS Inc. supplies instruments, subsystems, and specialty chemicals to semiconductor manufacturers, electronics and...
MKS Inc. supplies instruments, subsystems, and specialty chemicals to semiconductor manufacturers, electronics and packaging, and specialty industrial markets through its VSD, PSD, and MSD segments. In 2025, 43% of net revenues came from the semiconductor market, 28% from electronics and packaging, and 29% from specialty industrial; 81% were international. R&D spending was $299 million in 2025 across 10,200 employees.