The short version

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

  • Raytheon Technologies is the larger company, worth $245.4B, about 3.9 times Transdigm Group.
  • Transdigm Group grew revenue faster over the last year (+22.5% vs +14.5%).
  • Transdigm Group keeps more of each dollar of revenue as operating profit (46.0% vs 11.2%).
  • On earnings, Raytheon Technologies is the cheaper stock (34.2x vs 34.8x).
  • Transdigm Group's price assumes faster free cash flow growth: about 12% a year, against 11% for Raytheon 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.

MeasureRTXTDG
Market cap$245.4B$62.4B
Share price$185.97$1,107.99
Revenue (last fiscal year)$88.6B$8.8B
Free cash flow (last fiscal year)$7.9B$1.8B
Revenue growth, last year+14.5%+22.5%
Revenue growth per year, last 5 fiscal years+8.3%+16.5%
Operating margin11.2%46.0%
Net margin8.3%21.3%
Return on equity11.7%—
P/E (trailing)34.2x34.8x
Price / free cash flow30.9x34.4x
EV / EBITDA19.4x19.5x
FCF growth the price implies10.7%12.1%
Dividend yield1.5%—
Debt / equity1.59x—
Fundamental gradeCB
Superinvestors holding it119
Insider purchases, last 12 months68

Results from SEC filings

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

Raytheon Technologies

YearRevenueFree cash flowOp. margin
2021$64.4B$5.0B8.0%
2022$67.1B$4.9B8.2%
2023$68.9B$5.5B5.2%
2024$80.7B$4.5B8.1%
2025$88.6B$7.9B10.5%

Transdigm Group

YearRevenueFree cash flowOp. margin
2021$4.8B$808M35.2%
2022$5.4B$829M40.8%
2023$6.6B$1.2B44.4%
2024$7.9B$1.9B44.5%
2025$8.8B$1.8B47.2%

Where the revenue comes from

Raytheon Technologies · by segments, 2025

Pratt & Whitney$32.9B36%
Collins Aerospace$30.2B33%
Raytheon$28.0B31%

Transdigm Group · by segments, 2025

Power & Control$4.6B52%
Airframe$4.1B47%
Non-aviation$160M2%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open RTX in Investingly

Questions

Which is bigger, Raytheon Technologies or Transdigm Group?

Raytheon Technologies (RTX), at $245.4B against $62.4B.

Is RTX or TDG cheaper?

By trailing P/E, Raytheon Technologies (34.2x) is cheaper than Transdigm Group (34.8x). A lower multiple can also mean the market expects less growth.

Which grows faster, RTX or TDG?

Transdigm Group: revenue grew +22.5% over the last year, against +14.5%.

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