TotalMarketCap

Market cap

$104.377 B

$83.10 -1.73%

Close of 6 Nov 2026

As of 6 Nov 2026, Rio Tinto (RIO) has a market capitalization of $104.4B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

—

Not reported

Earnings

—

Not reported

Shares outstanding

1,256,010,314

Latest filing cover page

P/E ratio

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Cap ÷ net income

Metal Mining, ranked by market cap

All 42 →
  1. #1Southern CopperSCCO$139.3B
  2. #2Rio TintoRIO$104.4B
  3. #3Freeport-McmoranFCX$83.2B
  4. #4ValeVALE$48.8B
  5. #5Hudbay MineralsHBM$9.13B

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Where these numbers come from

Share counts and financials for Rio Tinto are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.