The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Teledyne Technologies is the larger company, worth $27.1B, about 1.5 times MKS Instruments.
  • MKS Instruments grew revenue faster over the last year (+28.3% vs +9.8%).
  • Teledyne Technologies keeps more of each dollar of revenue as operating profit (19.4% vs 15.7%).
  • On earnings, Teledyne Technologies is the cheaper stock (29.6x vs 54.5x).
  • MKS Instruments's price assumes faster free cash flow growth: about 12% a year, against 8% for Teledyne Technologies (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureMKSITDY
Market cap$17.6B$27.1B
Share price$264.50$613.66
Revenue (last fiscal year)$3.9B$6.1B
Free cash flow (last fiscal year)$497M$1.1B
Revenue growth, last year+28.3%+9.8%
Revenue growth per year, last 5 fiscal years+7.4%+7.3%
Operating margin15.7%19.4%
Net margin10.1%15.3%
Return on equity14.7%8.9%
P/E (trailing)54.5x29.6x
Price / free cash flow35.5x25.2x
EV / EBITDA21.0x18.7x
FCF growth the price implies12.5%8.0%
Dividend yield0.35%—
Debt / equity1.99x0.40x
Fundamental gradeCC
Superinvestors holding it59
Insider purchases, last 12 months32

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

MKS Instruments

YearRevenueFree cash flowOp. margin
2021$3.0B$553M23.7%
2022$3.5B$365M17.4%
2023$3.6B$232M-42.9%
2024$3.6B$410M13.9%
2025$3.9B$497M13.4%

Teledyne Technologies

YearRevenueFree cash flowOp. margin
2021$4.6B$723M13.5%
2022$5.5B$394M17.8%
2023$5.6B$721M18.4%
2024$5.7B$1.1B17.4%
2025$6.1B$1.1B18.8%

Where the revenue comes from

MKS Instruments · by segments, 2025

VSD$1.6B40%
MSD$1.3B34%
PSD$1.0B26%

Teledyne Technologies · by segments, 2025

Digital Imaging$3.2B52%
Instrumentation$1.5B24%
Aerospace and Defense Electronics$1.1B17%
Engineered Systems$436M7%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open MKSI in Investingly

Questions

Which is bigger, MKS Instruments or Teledyne Technologies?

Teledyne Technologies (TDY), at $27.1B against $17.6B.

Is MKSI or TDY cheaper?

By trailing P/E, Teledyne Technologies (29.6x) is cheaper than MKS Instruments (54.5x). A lower multiple can also mean the market expects less growth.

Which grows faster, MKSI or TDY?

MKS Instruments: revenue grew +28.3% over the last year, against +9.8%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.