MKSI
MKS Inc.Technology · $16.2B market cap
Verdict
Share price
$279.15
close of Oct 3, 2026
Fair value
$119.71
Sticker Price
Payback Price
$47.88
buy price
MKSI is Overpriced: at $279.15 it trades 133% above its fair value of $119.71. Its buy price (Payback Price) is $47.88, 83% below today's price. Business quality is solid: 3 of 5 key numbers clear the 10% bar.
How we valued it
Free Cash Flow. Sales grew 3% a year over the last 3 years, below the 15% we look for in a fast grower, so we value it on its free cash flow instead of an earnings forecast.
Business quality
3 of 5 clear the 10% bar. What are the Big Five?
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1 of the investors we track holds MKSI. In Q2 2026, 1 trimmed. Who we track
Moves in Q2 2026
Trimmed: Lee Ainslie
Insider activity
Since Jun 12, 2026: no open-market purchases, 6 sales worth $4.4M and 1 other filing (stock awards, tax withholding and similar). Why purchases matter
Sales
Mora Elizabeth
director · 2026-09-01
Sold
$75K
Lee John Tseng-Chung
President & CEO · 2026-08-14
Sold
$3.0M
Williams John Edward
EVP & GM, PSD · 2026-08-03
Sold
$132K
Schreiner James Alan
EVP & COO · 2026-06-12
Sold
$75K
Schreiner James Alan
EVP & COO · 2026-06-12
Sold
$281K
Show all 6 salesShow fewer
Schreiner James Alan
EVP & COO · 2026-06-12
Sold
$854K
Other filings
About MKS Inc.
MKS Inc. (MKSI) functions as a worldwide supplier of sophisticated instruments, integrated systems, specialized components, and advanced process control solutions. The company's products are engineered to precisely measure, observe, deliver, evaluate, energize, and regulate essential operational factors within diverse manufacturing environments across the globe. Its offerings are categorized into three primary…
Hardware, Equipment & Parts
Fair value and Payback Price are estimates from the company's reported financials, not investment advice. Prices as of the close of Oct 3, 2026. How the Payback Price works