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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mks Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Peter Cannone IiiDirector2026-05-181,350$303.40
$409.59kSell
Jacqueline F. MoloneyDirector2026-05-141,000$312.20
$312.20kSell
Jacqueline F. MoloneyDirector2026-05-131,400$318.99
$446.59kSell
Eric Robert TarantoEVP GM VSD2026-05-112,848$319.93
$911.16kSell
Kathleen Flaherty BurkeEVP GC Secretary2026-05-114,355$319.94
$1.39MSell
John Edward WilliamsEVP GM PSD2026-04-17825$269.89
$222.66kSell
Michelle M. McCarthySVP Chief Accounting Officer2026-04-151,375$274.15
$376.96kSell
Jacqueline F. MoloneyDirector2026-03-12340$213.77
$72.68kSell
Eric Robert TarantoEVP GM VSD2026-03-064,567$220.52
$1.01MSell
Elizabeth MoraDirector2026-03-02300$239.44
$71.83kSell

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Net Insider Buy/Sell (L12M) Ownership

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MKSI Shareholders

What type of owners hold Mks Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Electric Co Emerson14.64%9,889,905$3.10BInsider
Blackrock Inc9.83%6,641,730$2.08BInstitution
Carlyle Group Inc9.60%6,482,732$2.03BInsider
Carlyle Partners VI Cayman Holdings LP9.60%6,482,732$2.03BInsider
Claire R. Bertucci6.08%4,109,967$1.29BInsider
Invesco Ltd5.51%3,721,459$1.17BInstitution
Vanguard Portfolio Management LLC5.46%3,685,493$1.15BInstitution
Vanguard Capital Management LLC4.46%3,014,201$943.93MInstitution
Jpmorgan Chase Co3.10%2,096,342$656.49MInstitution
State Street Corp3.05%2,057,732$644.40MInstitution

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MKSI vs Scientific & Technical Instrument Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MKSI70.38%29.62%Net SellingNet Selling
FTV86.35%13.65%Net BuyingNet Selling
TDY94.94%5.06%Net Selling
TRMB94.09%1.30%Net BuyingNet Buying
CGNX93.84%3.89%Net SellingNet Selling
View Top Scientific & Technical Instrument Stocks

Mks Stock Ownership FAQ

Who owns Mks?

Mks (NASDAQ: MKSI) is owned by 102.09% institutional shareholders, 42.97% Mks insiders, and 0.00% retail investors. Electric Co Emerson is the largest individual Mks shareholder, owning 9.89M shares representing 14.64% of the company. Electric Co Emerson's Mks shares are currently valued at $3.10B.

If you're new to stock investing, here's how to buy Mks stock.
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