Rio Tinto GroupRIO
NYSE•Basic Materials•Other Industrial Metals & Mining
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.
Rio Tinto Plc (RIO) reported trailing twelve months revenue of $111.41B as of December 2025, a 37.8% increase year-over-year. Quarterly revenue reached $30.65B, reflecting continued top-line momentum.
Rio Tinto Plc generated $21.48B in TTM net income, with quarterly EBITDA of $11.55B. The operating margin expanded from 25.4% to 26.6%, suggesting improving cost efficiency and pricing discipline.
The spread between operating margin (26.6%) and net margin (17.7%) indicates moderate non-operating costs. Net margin has narrowed from 18.0% a year ago, reflecting increased costs or interest expense.
RIO trades at a P/E of 6.1x (below the broader market average) and a P/S of 1.2x. The price-to-book ratio of 2.1x reflects a moderate premium to book value.
The company generated $2.53B in free cash flow over the trailing twelve months, a 43.1% decrease year-over-year, indicating cash generation ability. The balance sheet shows $128.10B in total assets with $21.20B in long-term debt against $62.20B in stockholders equity for a debt-to-equity ratio of 0.3, a conservative capital structure. Data based on the most recent quarterly reports.
Competitive analysis based on 21 quarters of fundamental data
Operating margins are under pressure, averaging 24.3%. The business may lack pricing power or face rising costs.'
Consistently high ROE averaging 32.8% suggests a durable competitive advantage and efficient capital allocation.
8 of the last 8 quarters generated positive FCF. The company generally funds itself but has occasional cash consumption quarters.
Revenue shows resilience with 4 of 7 quarters posting growth — demand is generally stable but has seen some soft patches.
Data-driven red flags and warnings across 21 quarters
Margins are stable or improving at ~27.5% — no sign of cost or pricing stress.
FCF/Net Income has dropped below 0.7x in 4 quarters — monitor for earnings quality deterioration.
Debt-to-equity has risen 52.8% recently — increasing financial risk even if the current ratio is manageable.
Revenue is stable or growing over recent quarters — demand appears durable.
Free cash flow is consistently positive — the business self-funds without external capital reliance.
Share count is stable — no significant dilution or buyback activity.
Quarterly standardized metrics.
Stock price and market valuation
Revenue and earnings growth across quarters
Assets, cash, debt, and leverage
Price multiples and return ratios
Operating efficiency and return metrics
Free cash flow, earnings quality, and capital allocation