Rio Tinto RIO
NYSE RIO
$84.51 +2.89 (+3.55%)
As of: Nov 4, 2026 · 3:59 PM EST

Rio Tinto (RIO) Shares Outstanding (Diluted) (2009 - 2026)

Updated

Rio Tinto's Weighted Average Shares Outstanding (Diluted) was 1.63 billion in Q2 2026, unchanged from 1.63 billion a year earlier.

Analysis

Rio Tinto (RIO) Shares Outstanding (Diluted) (2009 - 2026) Analysis & Trends

From Q2 2009 onward, Rio Tinto has reported Weighted Average Shares Outstanding (Diluted) for 32 quarters.

  • Weighted Average Shares Outstanding (Diluted) shows a five-year compound annual growth rate of 0.1% (FY2020 to FY2025).
  • In earlier years, Weighted Average Shares Outstanding (Diluted) was 1.63 billion in FY2024 (+0.2%), 1.63 billion in FY2023 (unchanged), 1.63 billion in FY2022 (unchanged) and 1.63 billion in FY2021 (unchanged).
  • Compared with a year earlier, Weighted Average Shares Outstanding (Diluted) was higher in two of the last four quarters, with growth averaging 0.1%.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 Rio Tinto 170.99 Bn 133.79 Bn - 1.64 Bn
2 Southern Copper 145.83 Bn 120.56 Bn 3.10 Bn 829.10 Mn
3 Rio Tinto 136.96 Bn 97.78 Bn - 1.63 Bn
4 Newmont 123.46 Bn 88.61 Bn 4.22 Bn 1.05 Bn
5 Ternium 100.65 Bn 77.97 Bn 2.66 Bn -
6 Agnico Eagle Mines 92.21 Bn 79.15 Bn 2.15 Bn 503.43 Mn
7 Freeport-Mcmoran 89.72 Bn 73.77 Bn 2.19 Bn 1.44 Bn
8 Barrick Mining 68.20 Bn 43.40 Bn 2.90 Bn 1.71 Bn
9 Nucor 60.85 Bn 50.23 Bn 2.03 Bn 228.50 Mn
10 ArcelorMittal 47.68 Bn 26.70 Bn - 766.00 Mn
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 1.63 Bn
Dec 31, 2025 1.63 Bn
Jun 30, 2025 1.63 Bn
Dec 31, 2024 1.63 Bn
Jun 30, 2024 1.63 Bn
Dec 31, 2023 1.63 Bn
Jun 30, 2023 1.63 Bn
Dec 31, 2022 1.63 Bn
Jun 30, 2022 1.63 Bn
Dec 31, 2021 1.63 Bn
Jun 30, 2021 1.63 Bn
Dec 31, 2020 1.63 Bn
Jun 30, 2020 1.64 Bn
Dec 31, 2019 1.64 Bn
Jun 30, 2019 1.73 Bn
Dec 31, 2018 1.73 Bn
Dec 31, 2017 1.80 Bn
Jun 30, 2017 1.81 Bn
Dec 31, 2016 1.81 Bn
Jun 30, 2016 1.82 Bn
API Access

Rio Tinto Shares Outstanding (Diluted) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=RIO&period=max&api_key=YOUR_API_KEY