Massivemarkets

MKSI

MKS Inc. Common Stock

Nasdaq · usd

$195.99-0.12 (-0.06%)
As of 9:02:18 AM EDT on Oct 23, 2026 · 15-minute delayed

MKS Inc. Common Stock (MKSI) trades at $195.99 (-0.06%) as of 9:02:18 AM EDT on Oct 23, 2026, -25.35% over the past month. Market cap is $13.26B, with 4.2 days to cover in short interest.

Stock performance

How MKS Inc. Common Stock (MKSI) stock has performed from one day to one year, with its 52-week range.

-0.01%
-$0.01 over 1D
$195.07$195.36$195.65$195.947:45 AM7:50 AM8:20 AM8:30 AM9:00 AM$195.99
1D
-9.25%
1W
-14.18%
1M
-25.35%
YTD
+22.72%
1Y
+37.20%
52-wk range
$134.74 – $447.62

Key statistics

Today's trading snapshot for MKSI: day range, open, previous close, volume and market cap.

Day range
$193.21 – $205.18
Open
$204.01
Prev close
$196.11
Volume
2.59M
Market cap
$13.26B
Shares out
67.62M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for MKS Inc. Common Stock: P/E, P/S, P/B, ROE and more.

P/E
30.14
P/S
3.05
P/B
4.44
P/FCF
29.14
ROE
14.7%
ROA
4.9%
Debt/Equity
1.32
Div yield
0.48%

As of Oct 22, 2026

8-K filings

Material corporate events MKS Inc. Common Stock has disclosed to the SEC on Form 8-K.

  • Deal agreementsOct 19, 2026

    On October 19, 2026, MKS Inc. issued a press release announcing that it has entered into a definitive agreement pursuant to which the Company will sell its Ophir® Optics business to TTM Technologies, Inc. in an all-cash transaction for $650 million, subject to customary closing adjustments.

  • Shareholder meetingsMay 12, 2026

    The following sets forth the results of voting by shareholders at the 2026 Annual Meeting: (a) Election of three Directors to serve for a one-year term and until their successors are elected: Peter J. Cannone III, Joseph B. Donahue, and Wissam G. Jabre with voting results provided.

  • Executive leadershipApr 6, 2026

    On March 31, 2026, Kathleen F. Burke notified MKS Inc. (the "Corporation") of her intent to retire as Executive Vice President, General Counsel and Secretary of the Corporation effective June 1, 2026. Ms. Burke will remain employed in the role of special advisor to the Corporation until July 1, 2026.

  • Debt activityFeb 5, 2026

    On February 4, 2026, the Company entered into a Sixth Amendment to Credit Agreement which amends the Credit Agreement, dated as of August 17, 2022. The Sixth Amendment refinanced the Existing USD Tranche B Term Loan with a new $914 million senior secured U.S. dollar tranche B term loan, the Existing Euro Tranche B Term Loan with a new €587 million senior secured euro tranche B term loan, and the Company's $675 million senior secured revolving credit facility with a new $1.0 billion senior secured revolving credit facility.

  • Debt activityJan 28, 2026

    The Company intends to use the net proceeds from the Offering, together with the net proceeds from the previously announced partial refinancing of its existing $2.2 billion U.S. dollar tranche B term loan (the "USD Tranche B Term Loan"), the net proceeds from the previously announced refinancing of its existing €587 million euro tranche B term loan (the "Euro Tranche B Term Loan" and together with the USD Tranche B Term Loan, the "Term Loan Facility") and cash on hand, to prepay approximately $1.3 billion of, and refinance in full, the USD Tranche B Term Loan, and refinance in full the Euro Tranche B Term Loan.

Dividend history and stock splits

MKS Inc. Common Stock's recent dividend payments and stock splits.

Dividends

  • $0.25ex-div Aug 25, 2026
  • $0.25ex-div Jun 3, 2026
  • $0.25ex-div Feb 23, 2026
  • $0.22ex-div Nov 24, 2025

Splits

No recent splits.

MKSI short interest

How heavily MKSI is shorted: shares short, days to cover and average daily volume.

Days to cover
4.2
Short interest
5.09M
Avg volume
1.21M

As of · reported to FINRA twice monthly.

MKSI news

The latest news and headlines about MKS Inc. Common Stock (MKSI).

Frequently asked questions

What is the MKS Inc. Common Stock (MKSI) stock price today?

MKS Inc. Common Stock (MKSI) is trading at $195.99 (-0.06% on the day) as of 9:02:18 AM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is MKS Inc. Common Stock?

MKS Inc delivers foundational technology solutions for leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. The company provides instruments, components, subsystems, systems, process control solutions, and specialty…

What is the short interest in MKSI?

As of Sep 30, 2026, MKSI has 5.09M shares short and 4.2 days to cover.

Does MKS Inc. Common Stock (MKSI) pay a dividend?

Yes. MKS Inc. Common Stock (MKSI)'s most recent dividend was $0.25 per share, with an ex-dividend date of Aug 25, 2026. Full MKSI dividend history is available from the Massive API.

What exchange is MKSI listed on?

MKS Inc. Common Stock (MKSI) trades on Nasdaq in USD, in the INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL industry.

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