MKS Inc.

NasdaqGS:MKSI Stock Report

Market Cap: US$24.7b

MKS Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:MKSI Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
12 Jun 26SellUS$1,210,370James SchreinerIndividual3,500US$347.00
01 Jun 26SellUS$1,886,583David HenryIndividual6,000US$314.43
27 May 26SellUS$688,703Joseph DonahueIndividual2,100US$327.95
18 May 26SellUS$409,590Peter CannoneIndividual1,350US$303.40
14 May 26SellUS$312,197Jacqueline MoloneyIndividual1,000US$312.20
13 May 26SellUS$446,586Jacqueline MoloneyIndividual1,400US$318.99
11 May 26SellUS$1,393,317Kathleen BurkeIndividual4,355US$319.94
11 May 26SellUS$911,328Eric TarantoIndividual2,848.52US$319.93
12 Mar 26SellUS$72,705Jacqueline MoloneyIndividual340.11US$213.77
06 Mar 26SellUS$1,007,318Eric TarantoIndividual4,567.88US$220.52
24 Feb 26SellUS$1,045,500James SchreinerIndividual4,100US$255.00
24 Feb 26SellUS$5,068,674Gerald ColellaIndividual20,000US$253.97
20 Feb 26SellUS$7,703,242John T. LeeIndividual30,000US$259.70
20 Feb 26SellUS$1,063,500Kathleen BurkeIndividual4,254US$250.00
20 Feb 26SellUS$523,744John WilliamsIndividual2,042.63US$256.41
20 Feb 26SellUS$366,503Michelle McCarthyIndividual1,466US$250.35
20 Feb 26SellUS$523,120David HenryIndividual2,000US$261.56
20 Feb 26SellUS$359,623Eric TarantoIndividual1,452.73US$247.55
20 Feb 26SellUS$205,219Jacqueline MoloneyIndividual829US$247.55
20 Feb 26SellUS$322,575Peter CannoneIndividual1,250US$258.06

Insider Trading Volume

Insider Buying: MKSI insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MKSI?
Owner TypeNumber of SharesOwnership Percentage
State or Government58,0270.0817%
Individual Insiders340,9280.48%
Institutions70,639,46399.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 66.72% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.83%
BlackRock, Inc.
6,641,730US$2.4b8.19%0.03%
5.46%
Vanguard Portfolio Management, LLC
3,685,493US$1.3b0%0.07%
4.81%
Capital Research and Management Company
3,245,970US$1.2b0.21%0.05%
4.54%
Invesco Ltd.
3,067,327US$1.1b-15.6%0.31%
4.46%
Vanguard Capital Management, LLC
3,014,201US$1.1b0%0.02%
3.05%
State Street Global Advisors, Inc.
2,057,732US$753.2m1.99%0.03%
2.89%
JP Morgan Asset Management
1,951,242US$714.2m32.7%0.07%
2.84%
FMR LLC
1,918,701US$702.3m-39.8%0.04%
2.71%
Wellington Management Group LLP
1,833,137US$671.0m-28.2%0.12%
2.52%
T. Rowe Price Group, Inc.
1,700,148US$622.3m-38.3%0.06%
2.38%
Point72 Asset Management, L.P.
1,610,331US$589.5m157%1.08%
2.28%
Geode Capital Management, LLC
1,539,319US$563.5m22.8%0.03%
2.28%
Aspex Management (HK) Limited
1,538,789US$563.3m0%7.52%
2.12%
Neuberger Berman Investment Advisers LLC
1,433,529US$524.7m-1.89%0.42%
1.93%
Whale Rock Capital Management LLC
1,306,724US$478.3m0%4.68%
1.55%
Westfield Capital Management Company, L.P.
1,046,763US$383.2m24.7%1.65%
1.4%
Citadel Advisors LLC
947,032US$346.7m107%0.27%
1.39%
Millennium Management LLC
937,888US$343.3m12.5%0.24%
1.37%
Norges Bank Investment Management
922,737US$337.8m0%0.02%
1.3%
Victory Capital Management Inc.
878,758US$321.7m-65.7%0.21%
1.28%
Charles Schwab Investment Management, Inc.
866,647US$317.2m-0.46%0.05%
1.24%
Dimensional Fund Advisors LP
835,345US$305.8m-25.3%0.04%
1.18%
BNY Asset Management
795,368US$291.1m6.69%0.06%
0.97%
Invesco Capital Management LLC
654,132US$239.4m195%0.07%
0.94%
UBS Asset Management AG
636,050US$232.8m21.4%0.02%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/03 01:20
End of Day Share Price 2026/07/02 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

MKS Inc. is covered by 26 analysts. 13 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Christopher MuseBarclays
Paretosh MisraBerenberg
Bhavesh LodayaBMO Capital Markets Equity Research