WallStreetZenWallStreetZen

NASDAQ: MKSI
Mks Instruments Inc Stock Ownership - Who owns Mks Instruments?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mks Instruments Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Elizabeth MoraDirector2025-06-02300$81.78
$24.53kSell
John Edward WilliamsEVP GM PSD2025-04-17565$63.69
$35.98kSell
Michelle M. McCarthyVP Chief Accounting Officer2025-04-15608$68.48
$41.64kSell
Elizabeth MoraDirector2025-03-03275$92.46
$25.43kSell
Jacqueline F. MoloneyDirector2025-03-03300$92.46
$27.74kSell
Kathleen Flaherty BurkeEVP GC Secretary2025-02-183,970$103.67
$411.57kSell
Gerard G. ColellaDirector2025-02-188,000$104.53
$836.22kSell
David Philip HenryEVP Operations Corp Mktg2025-02-182,372$103.67
$245.91kSell
John Tsengchung LeePresident CEO2025-02-1827,332$103.67
$2.83MSell
James Alan SchreinerEVP COO MSD2025-02-183,648$103.67
$378.19kSell

1 of 3

MKSI insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MKSI insiders and whales buy or sell their stock.

MKSI Shareholders

What type of owners hold Mks Instruments Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Electric Co Emerson14.75%9,889,905$1.03BInsider
Vanguard Group Inc11.11%7,450,615$779.04MInstitution
Blackrock Inc10.54%7,066,707$738.89MInstitution
Carlyle Group Inc9.67%6,482,732$677.83MInsider
Carlyle Partners VI Cayman Holdings LP9.67%6,482,732$677.83MInsider
Claire R. Bertucci6.13%4,109,967$429.74MInsider
Fmr LLC6.03%4,044,555$422.90MInstitution
Price T Rowe Associates Inc5.24%3,515,373$367.57MInstitution
Victory Capital Management Inc5.05%3,388,639$354.32MInstitution
Wellington Management Group LLP4.85%3,250,085$339.83MInstitution

1 of 3

MKSI vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MKSI70.84%29.16%Net SellingNet Selling
BMI93.37%4.30%Net SellingNet Buying
ITRI83.10%16.90%Net SellingNet Selling
VNT96.99%0.99%Net SellingNet Buying
CGNX91.10%3.77%Net SellingNet Selling
View Top Scientific & Technical Instrument Stocks

Mks Instruments Stock Ownership FAQ

Who owns Mks Instruments?

Mks Instruments (NASDAQ: MKSI) is owned by 104.93% institutional shareholders, 43.19% Mks Instruments insiders, and 0.00% retail investors. Electric Co Emerson is the largest individual Mks Instruments shareholder, owning 9.89M shares representing 14.75% of the company. Electric Co Emerson's Mks Instruments shares are currently valued at $1.03B.

If you're new to stock investing, here's how to buy Mks Instruments stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.