MKS Instruments Inc. ($MKSI) Stock Forecast: Down 4.2% Today

What is MKS Instruments Inc.?

MKS Inc. (MKSI) operates in the semiconductor and industrial process technologies sector. The stock observed a significant bearish movement today.

Why is MKS Instruments Inc. going down?

MKSI stock is down 4.2% on Dec 12, 2025 15:45

• Recent developments like institutional investors accruing more shares and the stock hitting a 52-week high did not prevent MKS Inc. from undergoing a bearish market movement.
• Speculations suggest that concerns regarding the company's substantial debt load, despite robust Q3 earnings and positive Q4 guidance, contributed to the market's response.
• Investors possibly remain cautious about the potential influence of cyclical fluctuations and high leverage on MKS's future growth prospects, leading to the downward trajectory in the stock price today.

MKSI Price Chart

MKSI Technical Analysis

MKSI News

Frontier Capital Management Co. LLC Boosts Stock Position in MKS Inc. $MKSI

Frontier Capital Management Co. LLC significantly increased its stake in MKS Inc. (NASDAQ:MKSI) by 146.4% in the second quarter, acquiring an additional 542,094 shares. MKS now accounts for 0.8% of Frontier Capital's holdings, making it their 17th largest position. Other institutional investors also adjusted their positions in MKSI, and the company has received a "Moderate Buy" consensus rating from analysts with an average target price of $159.64.

https://www.marketbeat.com/instant-alerts/filing-frontier-capital-management-co-llc-boosts-stock-position-in-mks-inc-mksi-2025-12-11/

Federated Hermes Inc. Purchases 31,815 Shares of MKS Inc. $MKSI

Federated Hermes Inc. increased its stake in MKS Inc. by 38.0% during the second quarter, acquiring an additional 31,815 shares and now owning 0.17% of the company valued at $11.485 million. Other institutional investors also adjusted their holdings in MKS. The company recently declared a quarterly dividend of $0.22 and its stock is trading at $167.88, with a market cap of $11.28 billion.

https://www.marketbeat.com/instant-alerts/filing-federated-hermes-inc-purchases-31815-shares-of-mks-inc-mksi-2025-12-11/

MKS Instruments stock hits 52-week high at 167.38 USD

MKS Instruments (MKSI) stock reached a new 52-week high of $167.38, reflecting significant upward growth with a 50.19% return over the past year and 76.09% in six months. Despite being considered overvalued by InvestingPro, analysts remain bullish with price targets up to $200, driven by strong Q3 2025 earnings and positive outlook for its semiconductor business. The company has also maintained dividend payments for 15 consecutive years, further attracting investor attention.

https://www.investing.com/news/company-news/mks-instruments-stock-hits-52week-high-at-16738-usd-93CH-4401268

Is Strong Q3 Earnings and ESG Recognition Altering The Investment Case For MKS (MKSI)?

MKS Instruments, Inc. (MKSI) recently reported strong Q3 2025 earnings and optimistic Q4 guidance, while also being recognized for its corporate responsibility for the third consecutive year. The article examines how these positive developments might influence MKS's investment narrative, noting that while earnings momentum is good, the company still carries a significant debt load. The investment case balances long-term demand in semiconductor and industrial process technologies against cyclical swings and high leverage.

https://www.sahmcapital.com/news/content/is-strong-q3-earnings-and-esg-recognition-altering-the-investment-case-for-mks-mksi-2025-12-06

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MKS Instruments Inc. Price History

08.04.2025 - MKSI Stock was up 5.9%

• MKSI's Q1 earnings exceeded estimates and showed a year-over-year increase in revenues.
• The positive results were influenced by the strength in the Semiconductor and Electronics & Packaging market.
• Despite subdued demand in the Specialty Industrial sector, MKSI demonstrated impressive performance.
• The stock's bullish movement was likely driven by the company's robust financial performance and growth in key markets.

07.07.2025 - MKSI Stock was up 8.9%

• MKSI reported better-than-expected Q2 earnings and a year-over-year increase in revenues.
• The growth in the Semiconductor, Electronics, and Packaging markets contributed to the positive performance of MKS Instruments.
• This news likely fueled investor confidence in MKSI's ability to capitalize on the growing demand in these sectors, leading to the bullish movement in the stock price.

14.02.2025 - MKSI Stock was up 7.9%

• The recent earnings report for MKS Instruments (MKSI) led to a 21.8% decline in the stock.
• Investor optimism about the company's future prospects triggered today's bullish movement.
• The market appears to be anticipating a potential rebound in MKSI's performance.
• Despite the recent setback, the bullish movement reflects renewed confidence in MKS Instruments' potential for recovery and strong future results.

13.10.2025 - MKSI Stock was down 5.1%

• Despite MKSI reporting strong Q3 earnings and revenue growth, the stock experienced a bearish movement today.
• The market may have overreacted to short-term factors or profit-taking after a period of positive performance.
• Investors might be concerned about future growth prospects or external market conditions impacting MKSI's stock price.
• It's possible that broader market trends or sector-specific news influenced the bearish movement in MKSI today.

15.00.2025 - MKSI Stock was up 5.0%

• MKSI has a history of beating earnings estimates, which could have contributed to the bullish movement in the stock price today.
• The company is currently positioned with the right factors to potentially beat earnings estimates again, leading investors to be optimistic about its future performance.
• The positive outlook for MKSI's upcoming quarterly report might have attracted more investors to buy the stock, driving up its price.

21.04.2025 - MKSI Stock was down 5.1%

• The announcement of senior leadership appointments might have caused uncertainty among investors, leading to a sell-off of MKSI shares.
• Investors may be concerned about the impact of these leadership changes on the company's future direction and performance.
• The market reaction could also be influenced by broader economic factors or industry-specific challenges facing MKS Instruments.

12.11.2025 - MKSI Stock was down 4.2%

• Recent developments like institutional investors accruing more shares and the stock hitting a 52-week high did not prevent MKS Inc. from undergoing a bearish market movement.
• Speculations suggest that concerns regarding the company's substantial debt load, despite robust Q3 earnings and positive Q4 guidance, contributed to the market's response.
• Investors possibly remain cautious about the potential influence of cyclical fluctuations and high leverage on MKS's future growth prospects, leading to the downward trajectory in the stock price today.

19.11.2024 - MKSI Stock was down 6.7%

• MKS Instruments (MKSI) saw a decline in its stock performance today, likely influenced by broader market sentiments and internal factors.
• Analysts on Wall Street project a potential upside of 25.31% for MKSI, indicating positive outlooks for the stock moving forward.
• Despite analysts praising MKSI's technological advancements, the recent downtrend hints at potential external market influences impacting its trajectory.
• By juxtaposing MKSI with ENTG in terms of value, concerns arise regarding MKSI's current market evaluation and perception, which could have contributed to today's bearish movement.

30.03.2025 - MKSI Stock was down 6.7%

• Increased activity in MKSI stock by options traders implies a possible change in market sentiment.
• The heightened options market activity may indicate insider knowledge or speculation regarding the company's future performance.
• Options market movements could be a signal of potential upcoming volatility or significant price changes for MKSI stock soon.

30.03.2025 - MKSI Stock was down 5.0%

• The bearish movement in MKSI stock today could be related to the market's anticipation of the upcoming earnings report. Wall Street does not foresee significant earnings growth.
• The options market activity might have impacted the stock movement, showing that investors are closely watching potential developments or risks related to MKS Instruments.
• Subdued earnings expectations and increased options market activity could have influenced the bearish sentiment surrounding MKSI stock today.

13.01.2025 - MKSI Stock was down 5.0%

• Despite surpassing Q4 earnings and revenue estimates, MKS Instruments (MKSI) experienced a strong bearish movement.
• The market may have reacted negatively due to concerns about future guidance or other undisclosed factors.
• Investors might have been expecting even higher performance, leading to profit-taking and a bearish trend in the stock price.
• It's possible that macroeconomic factors or industry-specific challenges influenced the market's reaction, overshadowing the positive earnings surprise.

13.01.2025 - MKSI Stock was down 5.9%

• Despite surpassing Q4 earnings and revenue estimates, MKS Instruments' stock faced strong bearish movement.
• Negative market reaction may be linked to concerns about sluggish demand in the Specialty Industrial sector, overshadowing strength in Semiconductor and Electronics & Packaging.
• Investors appear cautious about future performance of MKS Instruments, evident in stock's downward trend post positive financial results.
• Market anticipation of even stronger performance from MKS Instruments possibly led to disappointment and subsequent bearish movement.