TotalMarketCap

Rio Tinto

RIONYSE AustraliaBasic MaterialsMetal Mining

Market cap

$118.331 B

$94.21 +1.44%

Close of 5 Oct 2026

As of 5 Oct 2026, Rio Tinto (RIO) has a market capitalization of $118.3B. 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

—

Cap ÷ net income

Metal Mining, ranked by market cap

All 41 →
  1. #1Southern CopperSCCO$171.5B
  2. #2Rio TintoRIO$118.3B
  3. #3Freeport-McmoranFCX$103.5B
  4. #4ValeVALE$58.7B
  5. #5Hudbay MineralsHBM$12.1B

What if Rio Tinto were worth as much as…

Open the what-if tool →

Gold $28.7T

$22,856.88

Per share 243× higher

Bitcoin $1.72T

$1,369.87

Per share 14.5× higher

Nvidia $5.64T

$4,488.87

Per share 47.6× higher

Or at a round number

$200.0B$500.0B$1.00T$2.00T

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. Last updated 6 Oct 2026. Read the methodology.