The short version

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

  • Rio Tinto ADR is the larger company, worth $138.8B, about 25.9 times Materion.
  • Materion grew revenue faster over the last year (+42.2% vs +7.4%).
  • Rio Tinto ADR keeps more of each dollar of revenue as operating profit (25.9% vs 6.0%).
  • On earnings, Rio Tinto ADR is the cheaper stock (15.6x vs 70.6x).

Side by side

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

MeasureMTRNRIO
Market cap$5.4B$138.8B
Share price$280.45$94.78
Revenue (last fiscal year)$1.8B$57.6B
Free cash flow (last fiscal year)—$4.5B
Revenue growth, last year+42.2%+7.4%
Revenue growth per year, last 5 fiscal years+4.3%-2.4%
Operating margin6.0%25.9%
Net margin4.3%17.3%
Return on equity9.1%16.0%
P/E (trailing)70.6x15.6x
Price / free cash flow107.3x28.8x
EV / EBITDA26.2x9.54x
FCF growth the price implies—10.7%
Dividend yield0.21%4.6%
Debt / equity0.88x0.98x
Fundamental gradeCC
Superinvestors holding it56
Insider purchases, last 12 months00

Results from SEC filings

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

Materion

YearRevenueFree cash flowOp. margin
2021$1.5B-$13M5.1%
2022$1.8B$38M6.8%
2023$1.7B$34M8.2%
2024$1.7B$19M2.8%
2025$1.8B—6.1%

Rio Tinto ADR

YearRevenueFree cash flowOp. margin
2021$63.5B$18.0B47.0%
2022$55.6B$9.4B35.9%
2023$54.0B$8.1B27.4%
2024$53.7B$6.0B29.2%
2025$57.6B$4.5B25.9%

Where the revenue comes from

Materion · by segments, 2025

Electronic Materials$1.0B57%
Performance Materials$676M38%
Precision Optics$101M6%

Rio Tinto ADR · by products, 2025

Iron Ore$28.4B49%
Aluminium, alumina and bauxite$15.4B27%
Copper$6.7B12%
Industrial minerals (comprising titanium dioxide slag, borates and salt)$2.4B4%
Other products and freight services$2.0B3%
Gold$1.9B3%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open MTRN in Investingly

Questions

Which is bigger, Materion or Rio Tinto ADR?

Rio Tinto ADR (RIO), at $138.8B against $5.4B.

Is MTRN or RIO cheaper?

By trailing P/E, Rio Tinto ADR (15.6x) is cheaper than Materion (70.6x). A lower multiple can also mean the market expects less growth.

Which grows faster, MTRN or RIO?

Materion: revenue grew +42.2% over the last year, against +7.4%.

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