MKSI

MKS Instruments Inc

MKSI.US mks.com
261.84
-6.21 (-2.32%)
USD · NASDAQ
52-week range
113.88
447.20
Trading at 44% of the 52-week range
Market Cap
18.12B
P/E Ratio
42.21
Forward P/E
10.36
Book Value
44.20
Div. Yield
0.35%
% Institutions
106.80%
% Insiders
0.483%

1 Year

+137.7%

3 Year

+191.2%

10 Year

+502.3%
Description

MKS Inc. provides foundational technology solutions to semiconductor manufacturing, electronics and packaging, and specialty industrial applications in the United States, China, South Korea, Japan, Taiwan, Singapore, and internationally. The company operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments. Its VSD segment provides foundational technology solutions, including pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and fiber optic temperature and position sensing. The PSD segment offers range of solutions, which include lasers, photonics, optics, precision motion control, and vibration control. Its MSD segment develops, process, and manufactures technologies comprising advanced surface modification, electroless and electrolytic plating, and surface finishing for chemistry, equipment, and services markets, as well as high-technology applications. In addition, the company sells its products and services through direct sales, network of independent distributors, and sales representatives, as well as websites, including product catalogs. MKS Inc. was formerly known as MKS Instruments, Inc. and changed its name to MKS Inc. in May 2025. The company was incorporated in 1961 and is based in Andover, Massachusetts.

Company Information

Company Name
MKS Instruments Inc
Sector
Technology
Industry
Scientific & Technical Instruments
Exchange
NASDAQ
ISIN: US55306N1046
CIK: 0001049502
CUSIP: 55306N104
Currency: USD
Full Time Employees: 10,200
Phone: 978 645 5500
Website: mks.com
Fiscal Year End: December
IPO Date: Mar 26, 1999
Description:

MKS Inc. provides foundational technology solutions to semiconductor manufacturing, electronics and packaging, and specialty industrial applications in the United States, China, South Korea, Japan, Taiwan, Singapore, and internationally. The company operates through Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Material Solutions Division (MSD) segments. Its VSD segment provides foundational technology solutions, including pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and fiber optic temperature and position sensing. The PSD segment offers range of solutions, which include lasers, photonics, optics, precision motion control, and vibration control. Its MSD segment develops, process, and manufactures technologies comprising advanced surface modification, electroless and electrolytic plating, and surface finishing for chemistry, equipment, and services markets, as well as high-technology applications. In addition, the company sells its products and services through direct sales, network of independent distributors, and sales representatives, as well as websites, including product catalogs. MKS Inc. was formerly known as MKS Instruments, Inc. and changed its name to MKS Inc. in May 2025. The company was incorporated in 1961 and is based in Andover, Massachusetts.

Address:

2 Tech Drive, Andover, MA, United States, 01810

People

Directors & Officers

Name Title Year Born
Dr. John T. C. Lee Ph.D. President, CEO & Director 1963
Mr. Ramakumar Mayampurath Executive VP & CFO 1964
Mr. James Alan Schreiner Executive VP & COO 1962
Mr. David Philip Henry EVP, Global Strategic Marketing & GM of Materials Solutions Division 1972
Ms. Michelle M. McCarthy VP & Chief Accounting Officer 1981
Ms. Madhuri A. Andrews Executive VP & Chief Information Officer 1967
Dr. Paretosh Misra C.F.A., Ph.D. Vice President of Investor Relations NA
Ms. Renee M. Donlan Executive VP, General Counsel & Chief Compliance Officer NA
Ms. Sally Ann Bouley Executive VP & Chief Human Resources Officer NA
Mr. Eric Robert Taranto Executive VP & GM of Vacuum Solutions Division 1968

Insider Trading

Date Insider Name Title Transaction Type Shares Price Value
Mar 12, 2026 Jacqueline F Moloney N/A Sale 340.00 $213.77 $72.68K
Mar 06, 2026 Eric Robert Taranto N/A Sale 4.57K $220.52 $1.01M
Mar 02, 2026 Elizabeth Mora N/A Sale 300.00 $239.44 $71.83K
Feb 24, 2026 Gerald G Colella N/A Sale 10.00K $253.97 $2.54M
Feb 20, 2026 Michelle M Mccarthy N/A Sale 1.47K $250.00 $366.50K
Feb 20, 2026 Peter Cannone III N/A Sale 1.25K $258.06 $322.58K
Feb 20, 2026 Kathleen Flaherty Burke N/A Sale 4.25K $250.00 $1.06M
Feb 20, 2026 John Tseng-Chung Lee N/A Sale 30.00K $256.77 $7.70M
Feb 20, 2026 John Edward Williams N/A Sale 2.04K $256.41 $523.85K
Feb 20, 2026 Jacqueline F Moloney N/A Sale 829.00 $247.55 $205.22K
Feb 20, 2026 Gerald G Colella N/A Sale 10.00K $252.90 $2.53M
Feb 20, 2026 Eric Robert Taranto N/A Sale 1.45K $247.55 $359.69K
Feb 20, 2026 David Philip Henry N/A Sale 2.00K $261.56 $523.12K
Dec 02, 2025 Elizabeth Mora N/A Sale 300.00 $158.81 $47.64K
Oct 31, 2025 Lisa C. McClain N/A Sale N/A $143.71 N/A
Oct 30, 2025 Lisa C. McClain N/A Sale N/A $139.31 N/A
Oct 30, 2025 Lisa C. McClain N/A Purchase N/A $139.31 N/A
Oct 01, 2025 Jacqueline F Moloney N/A Sale 300.00 $122.14 $36.64K
Sep 18, 2025 David Philip Henry N/A Sale 5.00K $130.00 $650.00K
Sep 02, 2025 Elizabeth Mora N/A Sale 300.00 $99.85 $29.96K

Shareholders

Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
BlackRock Inc 6.64M Mar 31, 2026 9.82% $0.03 8.19%
Amvescap Plc. 3.72M Mar 31, 2026 5.50% $0.08 -3.48%
Vanguard Portfolio Management, LLC 3.69M Mar 31, 2026 5.45% $0.04 0.00%
Vanguard Capital Management, LLC 3.01M Mar 31, 2026 4.46% $0.02 0.00%
JPMorgan Chase & Co 2.10M Mar 31, 2026 3.10% $0.03 35.12%
State Street Corp 2.06M Mar 31, 2026 3.04% $0.02 1.99%
FMR Inc 1.93M Mar 31, 2026 2.86% $0.02 -39.54%
Capital Research & Mgmt Co - Division 3 1.92M Jun 30, 2026 2.83% $0.18 -2.72%
T. Rowe Price Associates, Inc. 1.70M Mar 31, 2026 2.51% $0.05 -38.26%
Point72 Asset Management, L.P. 1.61M Mar 31, 2026 2.38% $0.47 157.32%
Geode Capital Management, LLC 1.54M Mar 31, 2026 2.28% $0.02 22.75%
Aspex Management (HK) Ltd 1.54M Mar 31, 2026 2.28% $5.13 0.00%
Neuberger Berman Group LLC 1.43M Mar 31, 2026 2.12% $0.25 -1.89%
Wellington Management Company LLP 1.42M Jun 30, 2026 2.09% $0.11 -22.75%
Capital World Investors 1.37M Jun 30, 2026 2.02% $0.07 6.98%
Whale Rock Capital Management LLC 1.27M Jun 30, 2026 1.88% $4.54 -2.71%
Alkeon Capital Management, LLC 1.07M Jun 30, 2026 1.59% $0.64 0.00%
NORGES BANK 954.67K Jun 30, 2026 1.41% $0.04 3.46%
Citadel Advisors Llc 947.03K Mar 31, 2026 1.40% $0.04 106.83%
Westfield Capital Management Company, L.P. 928.62K Jun 30, 2026 1.37% $1.35 -11.29%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 American Funds SMALLCAP World A 2.45M 3.63% ▼ 4.11% Jun 30, 2026
2 iShares Core S&P Mid-Cap ETF 2.37M 3.50% ▲ 0.04% Aug 31, 2026
3 Vanguard MStar Total Stk Mkt Idx Invest 2.15M 3.18% ▲ 0.29% Jul 31, 2026
4 Vanguard Small Cap Index 1.55M 2.30% ▲ 0.20% Jul 31, 2026
5 Invesco Small Cap Value A 1.15M 1.70% ▲ 0.00% Jul 31, 2026
6 Invesco Value Opportunities A 882.47K 1.31% ▲ 0.00% Jul 31, 2026
7 JPMorgan Large Cap Growth I 779.95K 1.15% ▼ 2.52% Jul 31, 2026
8 Vanguard Institutional Extnd Mkt Idx Tr 777.74K 1.15% ▲ 0.35% Jul 31, 2026
9 Vanguard Information Technology ETF 705.27K 1.04% ▲ 0.41% Jul 31, 2026
10 Capital Group Growth Fnd of Amer Comp 607.81K 0.90% ▲ 10.28% Jun 30, 2026

Financial Highlights

Market Cap: $18.12B
EBITDA: $1.06B
P/E Ratio: $42.21
PEG Ratio: $1.32
Book Value: $44.20
Dividend/Share: $0.94
Dividend Yield: 0.35%
Earnings/Share: $6.35
Profit Margin: 10.10%
Operating Margin: 20.59%
ROA (TTM): 5.02%
ROE (TTM): 15.85%
Revenue (TTM): $4.35B
Revenue/Share (TTM): $64.50
Earnings Growth (YOY): 162.00%
Revenue Growth (YOY): 28.30%

Valuation Metrics

Enterprise Value: $21.53B
Trailing P/E: 42.21
Forward P/E: 10.36

Shares Statistics

Shares Outstanding: 67.62M
Shares Float: 67.22M
% Insiders: 0.483%
% Institutions: 106.80%
Short % Float: 9.22%

Stock Price History

1 Year Price History

3 Years Price History

10 Years Price History

Financial Charts

Revenue, Net Income & Operating Cash Flow (Yearly)

Revenue, Net Income & Operating Cash Flow (Quarterly)

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Income Statement Waterfall

Open full waterfall
Line Item
Step Type
Value
Revenue
adjust
$3.93B
Cost of Goods Sold
adjust
$-2.34B
Gross Profit
subtotal
$1.59B
SG&A
adjust
$-724.00M
R&D
adjust
$-299.00M
Operating Income
subtotal
$565.00M
Other / Non-Operating Items
adjust
$-270.00M
Net Income
subtotal
$295.00M

Earnings Per Share (EPS) History

Financial Ratios

📦 Raw API Data (JSON Explorer)

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