MKS Inc (MKSI)

Industry Scientific & Technical Instruments

This stock can be held in an Investment ISA and an Investment Account

Sell

$294.00

Buy

$301.00

arrow-down$-28.58 (-8.65%)

Prices updated at 06 Jun 2026, 00:56 EDT

Prices minimum 15 mins delay

Prices in USD

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 solut ...

NASDAQ

-4.18%

NASDAQ

Important documents: Please ensure that you have read the Pre-sale Illustrations document & Doing Business with Fidelity document (incorporating the Fidelity Client Terms) and

our Investment Fees and Charges.

Sector

Technology

Industry

Scientific & Technical Instruments

Chairman

Mr. Gerald G. Colella

CEO

Dr. John T.C. Lee, PhD

Most recent earnings

31 Dec 2025

Fiscal year end

31 Dec 2025

Employees

10,300

Head office

2 Tech Drive

Andover

United States

01810

+1 978 645-5500

david.ryzhik@mksinst.com

Company website

Key personnel

Owner name chevron-l-regular chevron-r-regular	Salary
Mr. Joseph B. Donahue Independent Director	0.11m
Mr. Peter J. Cannone, III Independent Director	0.10m
Mr. Gerald G. Colella Chairman of the Board	0.19m
Dr. John T.C. Lee, PhD Director, Chief Executive Officer and President	1.04m
Dr. Jacqueline F. Moloney Lead Independent Director	0.14m
Ms. Elizabeth A. Mora Independent Director	0.12m
Ms. Michelle M. McCarthy Vice President and Chief Accounting Officer	-
Mr. Rajeev Batra Independent Director	0.11m
Mr. James A. Schreiner Executive Vice President and Chief Operating Officer	0.54m
Mr. David Philip Henry Executive Vice President, Global Strategic Marketing and General Manager, Materials Solutions Division	0.53m
Mr. Eric Robert Taranto Executive Vice President and General Manager, Vacuum Solutions Division	-
Mr. Ramakumar Mayampurath Executive Vice President and Chief Financial Officer	0.63m
Mr. Wissam G. Jabre Independent Director	0.10m
Mr. John E. Williams Executive Vice President and General Manager, Photonics Solutions Division	-

Top 5 shareholders

Owner name chevron-l-regular chevron-r-regular	No. of shares
Vanguard Group Inc	7,487,305
BlackRock Inc	6,641,730
Amvescap Plc.	3,721,459
Vanguard Portfolio Management, LLC	3,685,493
BlackRock Fund Advisors	3,578,575

Director dealings

Date chevron-l-regular chevron-r-regular	Action
02 Dec 2025	-
17 Nov 2025	-
17 Nov 2025	-
17 Nov 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-
31 Oct 2025	-

Please note that past performance is not a reliable indicator of future returns.

Important Information

Investment values, and income from investments, can go down as well as up, so you may get back less than you invest. This is not a personal recommendation for a specific investment. If you're not sure which investments are suitable for you, consult Fidelity's advisers or another authorised financial adviser. The information contained herein: is proprietary to Morningstar and/or its content providers; may not be copied or distributed; and is not warranted to be accurate, complete or timely. Neither Morningstar nor its content providers are responsible for any damages or losses arising from any use of this information.