MKS Instruments Inc. ($MKSI) Stock Forecast: Down 5.1% Today

What is MKS Instruments Inc.?

MKS Instruments (MKSI) is a company specializing in providing technical solutions for semiconductor manufacturing, electronics, packaging, and special industries. Despite recent price pressure, the company has shown a strong financial position with consistent growth in net sales and profits.

Why is MKS Instruments Inc. going down?

MKSI stock is down 5.1% on Mar 12, 2026 14:00

• The stock of MKS Instruments (MKSI) experienced a bearish movement despite its solid financial position and consistent growth in net sales and profits.
• The increase in institutional holdings by companies like Ceredex Value Advisors LLC and Dimensional Fund Advisors LP indicates confidence in MKSI's long-term prospects, despite recent insider selling by the CEO and other executives.
• The mixed quarterly earnings report, with a slight miss on EPS but exceeding revenue expectations, might have contributed to the bearish movement as investors reevaluate the company's growth potential.
• An AI reporter, "MK Signal," indicating a sell signal after previously providing a buy signal, could have added to the selling pressure on the stock as investors react to changing market sentiments and technical indicators.

MKSI Price Chart

MKSI Technical Analysis

MKSI News

MKS Instruments Stock Hits Day Low Amid Price Pressure, Reaches $209.08

MKS Instruments, Inc. experienced a stock decline, reaching an intraday low of $209.08, despite an impressive 31.41% year-to-date increase and strong annual returns of 154.48%. The company maintains a solid financial position with low debt, strong interest coverage, consistent net sales, and profit growth, supported by high institutional holdings. This suggests resilience despite recent price pressure.

https://www.marketsmojo.com/news/stocks-in-action/mks-instruments-stock-hits-day-low-amid-price-pressure-reaches-20908-3880991

Ceredex Value Advisors LLC Buys Shares of 200,125 MKS Inc. $MKSI

Ceredex Value Advisors LLC has acquired a new stake of 200,125 shares in MKS Inc. (NASDAQ: MKSI) during the third quarter, valued at approximately $24.77 million. This purchase represents about 0.30% of the company's stock. MKS recently reported mixed quarterly earnings, missing EPS estimates but exceeding revenue expectations, and institutional investors collectively own 99.79% of the company's shares.

https://www.marketbeat.com/instant-alerts/filing-ceredex-value-advisors-llc-buys-shares-of-200125-mks-inc-mksi-2026-03-10/

MKS Inc. $MKSI Stock Holdings Increased by Dimensional Fund Advisors LP

Dimensional Fund Advisors LP significantly increased its stake in MKS Inc. (NASDAQ:MKSI) by 30.8% in the third quarter, now owning 1.88% of the company worth $156.6 million. This increase in institutional investment comes despite recent insider selling by the CEO and other executives, totaling over $17 million in the last three months. MKS reported slightly missed EPS estimates but beat revenue expectations with a 10.5% MKS Inc. $MKSI increase and raised its quarterly dividend to $0.25, while analysts maintain a "Moderate Buy" rating with an average target price of $273.46.

https://www.marketbeat.com/instant-alerts/filing-mks-inc-mksi-stock-holdings-increased-by-dimensional-fund-advisors-lp-2026-03-10/

Fieldview Capital Management LLC Buys New Stake in MKS Inc. $MKSI

Fieldview Capital Management LLC has acquired a new stake of 24,360 shares in MKS Inc. (NASDAQ:MKSI), valued at approximately $3.015 million. This comes despite significant insider selling, with CEO John Tseng-Chung Lee and EVP Kathleen Flaherty Burke selling shares totaling over $8.7 million in the last 90 days. MKS Inc. reported a slight miss on quarterly EPS but saw a 10.5% increase in revenue and announced a dividend increase.

https://www.marketbeat.com/instant-alerts/filing-fieldview-capital-management-llc-buys-new-stake-in-mks-inc-mksi-2026-03-09/

Hello, I'm "MK Signal," an AI reporter who analyzes U.S. stock hot issues.On the 9th, MKS Instrument..

MKS Instruments (MKSI) achieved a 100.52% yield after an MK Signal sell signal was detected. The company provides essential technical solutions for semiconductor manufacturing, electronics, packaging, and special industries, specializing in vacuum technology, pressure measurement, gas supply, and RF power supply. MK Signal, an AI-powered service, provided a buy signal previously and now indicates a selling opinion, with the stock's SmartScore ranking it among the top 27% of U.S. listed companies.

https://www.mk.co.kr/en/stock/11983649

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MKS Instruments Inc. Price History

12.02.2026 - MKSI Stock was down 5.1%

• The stock of MKS Instruments (MKSI) experienced a bearish movement despite its solid financial position and consistent growth in net sales and profits.
• The increase in institutional holdings by companies like Ceredex Value Advisors LLC and Dimensional Fund Advisors LP indicates confidence in MKSI's long-term prospects, despite recent insider selling by the CEO and other executives.
• The mixed quarterly earnings report, with a slight miss on EPS but exceeding revenue expectations, might have contributed to the bearish movement as investors reevaluate the company's growth potential.
• An AI reporter, "MK Signal," indicating a sell signal after previously providing a buy signal, could have added to the selling pressure on the stock as investors react to changing market sentiments and technical indicators.

20.01.2026 - MKSI Stock was up 5.2%

• MKS Inc. saw a significant uptrend today boosted by higher price targets and positive analyst reviews.
• The company's strong performance in Q4 earnings, optimistic Q1 revenue guidance, and solid results in the Electronics & Packaging segment are driving the bullish momentum.
• Analysts' confidence stems from healthy margins, increased shipments in the Semi sector, and lower interest expenses resulting from recent debt refinancing.
• While there are conflicting views, notably Goldman Sachs' "Sell" rating, overall sentiment remains upbeat regarding MKS Inc.'s growth potential and future performance.

20.01.2026 - MKSI Stock was up 5.2%

• A financial firm raised MKSI's price target to $200 while maintaining a "Sell" rating, reflecting conflicting analyst views.
• Another firm increased its price target to $300, pointing to strong performance in the Electronics & Packaging segment and higher Semi division shipments, indicating a positive outlook for the company.
• MKSI reported Q4 results exceeding expectations, with earnings beating estimates and robust guidance for Q1. This led analysts to raise their price targets, instilling confidence in the company's future.
• Despite the favorable analyst sentiment and revised price targets, GuruFocus projects a potential downside of 52.2% from the current price, underscoring the differing opinions on MKSI's valuation and growth prospects.

03.02.2026 - MKSI Stock was down 5.2%

• The infusion of a significant investment from Westfield Capital Management Co. LP into MKS Inc. was initially seen as a positive move but subsequent insider selling by EVP James Alan Schreiner possibly sparked concerns among investors, contributing to the bearish movement.
• The positive developments surrounding MKS Instruments' strong returns and the introduction of the BeamWatch AM-3 system for metal Additive Manufacturing were overshadowed by the insider sale of $1.04 million in shares by the company's EVP, likely prompting profit-taking actions and downward pressure on the stock.
• Despite MKS Instruments' stock seeing a modest uptick following robust Q3 results and advancements in AI technologies, the insider selling and profit realization by top executives may have dampened the positive outlook, leading to the recent bearish trend.
• The market sentiment, influenced by a mix of financial performance, new product releases, and insider activities, possibly drove the sell-off in MKS Inc. stock despite its strong fundamentals and growth potential in the semiconductor industry.

10.02.2026 - MKSI Stock was up 10.4%

• Despite receiving an initial bearish signal from an AI-powered service, MKSI stock displayed a significant bullish trend, likely influenced by favorable institutional investment and analyst ratings.
• Insider selling by EVP Eric Robert Taranto, while substantial, did not impact investor confidence, as the company announced revenue growth and an increased quarterly dividend.
• The semiconductor equipment sector encountered a downturn due to macroeconomic events, leading to a negative effect on MKSI's stock; however, investors are encouraged to consider the company's fundamental performance for a well-rounded investment approach.
• Despite a decrease in Neuberger Berman Group LLC's stake, other institutional investors like Vanguard Group Inc. and Dimensional Fund Advisors LP raised their positions, indicating varying investor outlooks towards MKSI.

26.01.2026 - MKSI Stock was down 5.5%

• Notable insider selling by top executives like EVP Schreiner, Director Colella, and EVP Burke, alongside Director Moloney, might have contributed to reduced investor confidence and negatively impacted the stock price.
• Despite the positive financial results and raised price targets, concerns about overvaluation raised by various sources could have prompted profit-taking and a bearish market response.
• Differing opinions on MKS Instruments' valuation, with traditional assessments indicating overvaluation while suggesting exploration of alternative viewpoints, likely caused uncertainty among investors and influenced the bearish market trend.
• In summary, the amalgamation of insider selling, overvaluation concerns, and divergent perspectives on the stock's value possibly played a role in today's bearish movement in MKSI's stock price.

06.02.2026 - MKSI Stock was down 5.1%

• The stock's bearish movement could be attributed to concerns about its overvaluation after a significant multi-month rebound, leading investors to potentially take profits.
• The director's sale of shares might have added to the negative sentiment, signaling insider profit-taking after a substantial surge in the stock price.
• Despite the positive earnings reported, the high P/E ratio and weak interest coverage highlighted could have contributed to investor caution and selling pressure.
• The reduction in stake by Victory Capital Management Inc. could have further fueled selling activity, indicating a lack of confidence or a rebalancing of their portfolio due to valuation concerns.

26.01.2026 - MKSI Stock was down 5.1%

• Today's decrease in MKSI's stock price may be due to concerns raised by valuation checks, suggesting possible overvaluation by 63.7% based on Discounted Cash Flow analysis and a high P/E ratio of 57.77x.
• Conflicting price targets from various analysts, including Goldman Sachs's "Sell" rating and lower price target of $200.00, are contributing to the negative sentiment surrounding the stock.
• Despite positive Q4 earnings and robust revenue guidance, there is market caution regarding MKSI's future prospects, especially concerning risks such as softening semiconductor demand.
• The inconsistency in valuation estimates and price targets from different analysts has created uncertainty among investors, resulting in today's decline in MKSI's stock price.

18.01.2026 - MKSI Stock was down 5.4%

• The strong bearish movement in MKSI today could be attributed to profit-taking by investors who are cautious about the stock being overvalued, especially after its recent multi-month rally.
• Concerns about the company's valuation, potential challenges from cyclical semiconductor demand, and high leverage might have influenced investor sentiment, contributing to the bearish market movement.
• The upcoming earnings report will play a crucial role in evaluating if the current valuation aligns with the company's fundamentals and future growth prospects. Any indications of weakness in earnings or outlook could further impact the bearish sentiment surrounding MKSI.

18.01.2026 - MKSI Stock was down 6.4%

• MKS Instruments exceeded Q4 earnings and revenue projections but faced a significant 7% decline in premarket trading.
• Concerns about the company's overvaluation have surfaced due to a fair value assessment indicating a much lower price compared to its current trading value.
• Factors such as mixed analyst sentiment, worries about high valuation, and potential obstacles from cyclical semiconductor demand and high leverage might have contributed to the bearish movement in the market.
• Investor focus on demand sustainability, progress in debt reduction, growth opportunities in advanced packaging, along with the company's valuation and future growth prospects, likely influenced the market's response to MKS Instruments' performance.

05.02.2026 - MKSI Stock was down 5.2%

• Concerns about overvaluation, with suggestions of an 85.3% overvaluation compared to its fair value, may have influenced the stock's bearish movement.
• Insider selling by a director following a significant stock price increase could indicate profit-taking and possibly caused investor wariness.
• Despite impressive earnings and revenue growth, the stock's high P/E ratio of 57x and identified risks by analysts might have contributed to the negative market sentiment.
• Reductions in holdings by institutional investors like Victory Capital Management Inc. and Roubaix Capital LLC, despite the company's strong financial performance, could have further impacted the stock's decline today.

09.02.2026 - MKSI Stock was up 6.6%

• The bearish trend in the semiconductor sector due to macroeconomic factors like US job losses and spikes in crude oil prices influenced MKS Instruments' stock negatively.
• Institutional activities, including Neuberger Berman Group LLC reducing its stake and Vanguard Group Inc. and Dimensional Fund Advisors LP increasing their holdings, contributed to the mixed sentiment around MKSI.
• Strong revenue growth from sales in China and Singapore, coupled with concerns about trade tensions and tariffs, impacted how the market reacted to MKS Instruments' stock.
• Despite a notable recovery in the stock over the past year, worries about potential overvaluation and nuanced valuation risks, notably a high P/E ratio compared to industry peers, may have influenced investor sentiment and led to the stock's bullish movement.