MKS Instruments Inc. ($MKSI) Stock Forecast: Down 5.8% Today

What is MKS Instruments Inc.?

MKS Instruments (MKSI) is a company operating in the industrial manufacturing sector, specializing in specialty chemicals and advanced electronics. Despite recent challenges in the semiconductor industry, the company has demonstrated strong financial performance and market capitalization.

Why is MKS Instruments Inc. going down?

MKSI stock is down 5.8% on Mar 30, 2026 14:45

• The decline in MKSI's stock price is due to:
• Weaker bookings and declining artificial intelligence demand in the semiconductor equipment sector.
• Integration difficulties with recent acquisitions, like Atotech, causing investor uncertainty.
• Analysts lowering price targets due to weakened bookings and reduced revenue growth projections.
• Despite these challenges, MKS Instruments' expansion into power and reactive gas delivery sectors is holding up well, hinting at potential future recovery.

MKSI Price Chart

MKSI Technical Analysis

MKSI News

A Look At MKS Instruments (MKSI) Valuation After A Sharp Share Price Swing

MKS Instruments (MKSI) has seen significant share price volatility, with a recent 1-month decline amid a strong 1-year performance. Despite this, a common valuation narrative suggests the stock is undervalued at $281.25, driven by its transition to a diversified leader and deleveraging efforts. However, its high P/E ratio of 50.9x compared to industry averages signals potential caution regarding future growth assumptions.

https://www.sahmcapital.com/news/content/a-look-at-mks-instruments-mksi-valuation-after-a-sharp-share-price-swing-2026-03-28

A Look At MKS Instruments (MKSI) Valuation After A Sharp Share Price Swing

MKS Instruments (MKSI) has experienced a significant share price swing, including a 12.8% decline in the last month despite a 175.5% gain over the past year. Analyst estimates suggest the stock is undervalued with a fair value of $281.25, while its current P/E ratio of 50.9x is higher than the industry average, signaling potential caution. Investors are urged to consider both the optimistic growth narrative, driven by its transition to specialty chemicals and advanced electronics, and the potential risks from trade tensions or inventory issues.

https://simplywall.st/stocks/us/semiconductors/nasdaq-mksi/mks/news/a-look-at-mks-instruments-mksi-valuation-after-a-sharp-share

MKS Instruments Hits Day Low at $224.04 Amid Price Pressure

MKS Instruments, Inc. experienced a significant stock price decline, hitting an intraday low of $224.04 despite strong year-to-date and annual performance, outperforming the S&P 500. The company maintains a robust financial profile with consistent positive results, including a low Debt to EBITDA ratio and high interest coverage. MKS Instruments continues to show resilience in the industrial manufacturing sector with a market capitalization of USD 14,926 million.

https://www.marketsmojo.com/news/stocks-in-action/mks-instruments-hits-day-low-at-22404-amid-price-pressure-3920480

MKS Instruments Inc stock faces uncertainty amid semiconductor sector slowdown and acquisition integ

MKS Instruments Inc (ISIN: US55306N1046) faces challenges from weaker bookings and moderating AI demand within the semiconductor equipment sector, alongside the ongoing integration of Atotech. The company's recent quarterly results showed bookings below analyst expectations and a book-to-bill ratio below 1.0, though diversification into power and reactive gas delivery segments showed resilience. US investors are monitoring margin recovery, the success of the Atotech integration, and the broader semiconductor sector's response to tempered capital spending from hyperscalers.

https://www.ad-hoc-news.de/boerse/ueberblick/mks-instruments-inc-stock-faces-uncertainty-amid-semiconductor-sector/68993658

MKS Instruments Inc stock faces uncertainty amid semiconductor sector slowdown and acquisition integ

MKS Instruments Inc. (US55306N1046) stock is experiencing uncertainty due to a semiconductor sector slowdown, characterized by softer AI demand signals and ongoing challenges in integrating recent acquisitions. The company's recent quarterly results showed booking weakness, leading to trimmed price targets from Wall Street firms, though it maintained full-year guidance with a lowered midpoint for revenue growth. Despite these headwinds, MKS is finding resilience in its power and reactive gas delivery segments and is strategically positioned for the next cycle through R&D investments and partnerships, while benefiting from onshoring trends in the US semiconductor industry.

https://www.ad-hoc-news.de/boerse/news/ueberblick/mks-instruments-inc-stock-faces-uncertainty-amid-semiconductor-sector/68986738

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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.

20.02.2026 - MKSI Stock was down 5.1%

• MKSI shares have dropped by 6.8% since its last earnings release, despite reporting revenue growth and providing positive guidance for Q1 2026. This indicates that investors may have been disappointed by the earnings miss on adjusted EPS for Q4 2025.
• The comparison with Teradyne (TER) in the semiconductor industry highlights Teradyne's superior position, potentially leading investors to shift their focus and investments away from MKSI.
• The increase in institutional ownership by Jain Global LLC could have initially boosted confidence in MKSI, but the recent insider selling by the CEO and a director may have raised concerns among investors, contributing to the bearish movement.
• The price-driven insight and trading strategies suggest choppy conditions for MKSI, further adding to the uncertainty and potential selling pressure on the stock.

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.

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.

26.02.2026 - MKSI Stock was down 5.4%

• MKSI stock saw a bearish movement influenced by the semiconductor sector slowdown and challenges in integrating recent acquisitions.
• Despite strong market performance, revised stock evaluation may have triggered profit-taking by investors, contributing to the bearish trend.
• Overvaluation concerns from the valuation analysis and institutional investors selling off shares added pressure on MKSI stock.
• The mixed Q4 earnings report, with missed EPS estimates but exceeded revenue expectations, likely affected investor sentiment, contributing to the bearish movement.

24.02.2026 - MKSI Stock was up 5.2%

• The bullish movement in MKSI stock is possibly linked to a new $3.62 million investment from Oliver Luxxe Assets LLC during the fourth quarter.
• Despite Nordea Investment Management AB selling nearly 1 million shares, the stock's strong performance could be attributed to its Q4 revenue growth of 10.5%.
• Investor optimism seems to be influenced by substantial share price gains over the past year, although concerns about overvaluation and a high P/E ratio compared to industry peers could be moderating expectations.
• Today's positive trend for MKSI stock may be driven by a mix of new investments, favorable revenue performance, and ongoing investor caution in a volatile sector.

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.

30.02.2026 - MKSI Stock was down 5.8%

• The decline in MKSI's stock price is due to:
• Weaker bookings and declining artificial intelligence demand in the semiconductor equipment sector.
• Integration difficulties with recent acquisitions, like Atotech, causing investor uncertainty.
• Analysts lowering price targets due to weakened bookings and reduced revenue growth projections.
• Despite these challenges, MKS Instruments' expansion into power and reactive gas delivery sectors is holding up well, hinting at potential future recovery.