50/100BRio Tinto company profile
- CEO
- Simon Callas Trott
- Employees
- 56,890
- Headquarters
- 6 St James's Square, London, GL SW1Y 4AD, GB
- Sector
- Basic Materials
- Industry
- Industrial Materials
- IPO date
- 28 Jun 1990
- Stock exchange
- NYSE
- ISIN
- US7672041008
Website:riotinto.com
About the company
Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company operates through Iron Ore; Aluminium and lithium; and Copper segments. The Iron Ore segment engages in the iron ore mining, and salt and gypsum production in Western Australia. The Aluminum and lithium segment is involved in bauxite mining; alumina refining; and aluminium smelting, and recycling, as well as mining and processing of lithium. The Copper segment engages in mining and refining of copper, gold, silver, molybdenum, and other by-products and exploration activities. It also owns and operates open pit and underground mines; and refineries, smelters, processing plants and power, and shipping facilities. The company was founded in 1873 and is headquartered in London, the United Kingdom.
Employees
Rio Tinto had about 61,000 employees at the end of fiscal year 2025 (31 December 2025), by its annual report. That is 9.8% more than a year before.
Employees at each fiscal year end, as the company reports them in its annual report (10-K); revenue and net income per employee are the fiscal year's over that count.
Who owns Rio Tinto
Institutions such as funds, banks and insurers held 7.9% of Rio Tinto's shares on 30 June 2026, 1,023 of them reporting holdings to the SEC; the rest is held by individual investors and other shareholders.
Shares free to trade
Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.
Common questions about Rio Tinto
Source: Financial Modeling Prep