What Changed
Price Move History
- Daily moves over 5%
- 42 252 sessions, September 19, 2025 to September 21, 2026
- Largest daily move
- +13.9% close of July 30, 2026
- 1-year change
- +99.8% closing prices, September 19, 2025 to September 21, 2026
- 5-year change
- +72.2% closing prices, September 21, 2021 to September 21, 2026
Company Description
MKS Inc. (NASDAQ: MKSI) is described as a global provider of enabling technologies that transform our world. The company delivers foundational technology solutions to leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. MKS applies broad science and engineering capabilities to create instruments, subsystems, systems, process control solutions and specialty chemicals technology that improve process performance, optimize productivity and enable unique innovations for many technology and industrial companies.
According to the company’s own description, its solutions are critical to addressing the challenges of miniaturization and complexity in advanced device manufacturing. By supporting increased power, speed, feature enhancement, and optimized connectivity, MKS technologies play a role in advanced logic and memory nodes as well as advanced packaging. The company also highlights that its solutions address demanding performance requirements across a wide array of specialty industrial applications.
Business focus and markets
MKS states that it serves leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial markets. Its offerings include instruments, subsystems, systems, process control solutions and specialty chemicals technology. These are used to improve process performance and productivity and to enable unique innovations for many of the world’s technology and industrial companies.
In its financial reporting, MKS breaks out net revenues by end market into Semiconductor, Electronics & Packaging, and Specialty Industrial. This reflects the company’s focus on advanced electronic device manufacturing and a range of industrial applications. The company also reports revenues from both products and services, indicating that it generates income from the sale of technology products as well as related service offerings.
Photonics and precision technologies
MKS emphasizes photonics, lasers, precision motion systems and related technologies as part of its enabling technology portfolio. In its Photonics Solutions activities, the company highlights brands such as Newport, Ophir and Spectra-Physics. At events such as Photonics West, MKS showcases photonics solutions that support applications in artificial intelligence hardware, quantum research, biophotonics, security and surveillance, and laser-based micromachining and industrial processing.
The company describes its Surround the Workpiece strategy as a way to deliver end-to-end photonics solutions, from product design and integration to lifecycle management, for laser-based manufacturing. MKS presents this approach as helping customers optimize manufacturing precision, productivity and scalability in areas such as semiconductor advanced packaging, bioinstrumentation for healthcare, quantum-enabled systems, and a variety of laser micromachining applications.
Role in advanced manufacturing
MKS repeatedly states that its technologies are critical to addressing miniaturization and complexity in advanced device manufacturing. The company points to its broad portfolio supporting advanced logic and memory nodes and advanced packaging in the semiconductor market. It also notes that its enabling technologies are used in specialty industrial applications where higher performance, precision and reliability are required.
Through its instruments, subsystems, systems, process control solutions and specialty chemicals technology, MKS aims to improve process performance and optimize productivity for customers. The company’s disclosures emphasize that its technologies support increased power, speed, feature enhancement and connectivity in advanced electronic and industrial devices.
Corporate profile
MKS Inc. is incorporated in Massachusetts and reports its common stock under the symbol MKSI on Nasdaq. The company describes itself as operating globally and serving many of the world’s leading technology and industrial companies. Its periodic communications, including earnings releases and ESG reporting, highlight a focus on advanced manufacturing markets, photonics and optics, semiconductor processing, electronics and packaging, and specialty industrial applications.
MKS also reports on environmental, social and governance (ESG) initiatives, including efforts related to renewable energy use, workplace safety, employee engagement and recognition from third-party ESG and workplace rankings. These disclosures indicate that the company integrates ESG considerations into its operations and long-term objectives.
Business segments and revenue mix
In its financial reporting, MKS discloses net revenues by end market across Semiconductor, Electronics & Packaging, and Specialty Industrial. It also reports net revenues by category as products and services. Products account for a substantial portion of net revenues, while services contribute an additional share, reflecting ongoing support and service activities associated with its installed base and solutions.
The company’s narrative around its enabling technologies, broad science and engineering capabilities, and specialty chemicals technology aligns with its positioning in advanced manufacturing and specialty industrial markets. Its reported revenue categories and end markets underscore the importance of semiconductor and electronics-related applications alongside other industrial uses.
ESG and corporate responsibility
MKS publishes an Environmental, Social, Governance (ESG) Report that describes its approach to responsible business practices. The company has disclosed initiatives such as expanding the use of renewable electricity at certain sites, installing solar photovoltaic systems at facilities, conducting safety walks to support workplace safety, and tracking employee engagement through global surveys. It also notes external recognition from ESG rating providers and workplace rankings.
These ESG disclosures indicate that MKS integrates sustainability, safety and employee engagement into its operations, while aligning certain environmental goals with recognized frameworks and standards referenced in its ESG reporting.
Position within the manufacturing and technology ecosystem
Within the broader manufacturing and technology ecosystem, MKS characterizes itself as an enabler of advanced semiconductor manufacturing, electronics and packaging, and specialty industrial applications. Its focus on foundational technology solutions, process control, photonics, lasers, precision motion and specialty chemicals technology positions the company as a supplier whose products and services are used by other technology and industrial companies in their own manufacturing processes.
By emphasizing its role in addressing miniaturization, complexity, performance and connectivity challenges, MKS presents itself as a key contributor to the development and production of advanced electronic and industrial devices. Its communications highlight that many of its customers operate at the leading edge of semiconductor and electronics manufacturing and across a range of specialty industrial markets.
Stock Performance
MKS (MKSI) closed at $256.92 on September 21, 2026. Over the past 12 months, the price has gained 99.8%.
MKSI Metrics & Rankings
Price returns through September 21, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
MKS has 10 recent news articles. Of the recent coverage, 3 articles coincided with positive price movement and 7 with negative movement. Key topics include earnings, dividends, management, conferences, AI. View all MKSI news →
SEC Filings
MKS has filed 10 recent SEC filings, including 4 Form 4, 3 Form 144, 1 Form SCHEDULE 13G/A, 1 Form 10-Q. The most recent filing was submitted on September 3, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all MKSI SEC filings →
Insider Radar
Insider selling at MKS over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
MKS generated $3.9B in revenue in FY2025, retaining a 46.7% gross margin, operating income reached $528.0M (13.4% operating margin), and net income was $295.0M, reflecting a 7.5% net profit margin. Diluted earnings per share stood at $4.37. The company generated $645.0M in operating cash flow. With a current ratio of 2.71, the balance sheet reflects a strong liquidity position.
Upcoming Events
Thailand facility operations begin
Guangzhou site expansion completion
2030 emissions reduction deadline
Notes maturity
MKS has 4 upcoming scheduled events. The next event, "Thailand facility operations begin", is scheduled for July 1, 2027 (in 281 days). 1 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the MKSI stock price.
Short Interest History
Short interest in MKS (MKSI) currently stands at 6.3 million shares, up 14.0% from the previous reporting period, representing 9.3% of the float. Since September 2025, short interest has increased by 72.9%.
Days to Cover History
Days to cover for MKS (MKSI) currently stands at 5.0 days, up 41.4% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has increased 136.8% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.6 to 5.0 days.
MKSI Company Profile & Sector Positioning
MKS (MKSI) operates in the Scientific & Technical Instruments industry within the broader Technology sector and is listed on the NASDAQ. Among dividend-paying stocks, MKSI ranks #2,120 by dividend yield.
Investors comparing MKSI often look at related companies in the same sector, including Cognex Corp (CGNX), Vontier Corporation (VNT), Itron Inc (ITRI), Badger Meter, Inc. (BMI), and ESCO Technologies, Inc. (ESE). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate MKSI's relative position within its industry.