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There is no universal winner among Fortescue, BHP and Rio Tinto. Fortescue offers more concentrated iron ore exposure in the results cited here; BHP and Rio Tinto report broader commodity portfolios. Which fits depends on the exposure you want, your tolerance for commodity and currency swings, your time horizon, and the price you pay—not simply on which company reported the biggest number.
The latest figures available here cover different reporting periods and use different currencies and production bases, so they are useful for understanding each business, not for declaring a direct performance winner.
How the three miners differ
| Company | Exposure indicated by the cited reporting | What the reported figures show | Key comparison caveat |
|---|---|---|---|
| Fortescue | The cited FY26 result set is centered on iron ore. | Fortescue reports 201.3 Mt of iron ore shipments, US$3.5 billion of underlying net profit after tax, US$3.2 billion of free cash flow and a fully franked FY26 dividend of A$1.08 per share. | These are company-reported FY26 figures. The headline results alone do not establish whether shipments, profit or dividends will be sustained. |
| BHP | BHP reports a wider commodity portfolio, including iron ore. | For the year ended 30 June 2025, BHP reports 263 Mt of total iron ore production, WAIO unit costs of US$18.56/t and iron ore revenue of US$22.919 billion. | These are FY2025 figures. BHP’s FY2026 WAIO cost range is guidance, not a historical result, and assumes AUD/USD of 0.65. |
| Rio Tinto | Rio Tinto reports iron ore as well as copper, aluminium, bauxite and lithium. | Its 2025 annual report records US$25.4 billion of underlying EBITDA and 327.3 Mt of Pilbara iron ore production on a 100% basis. | The Pilbara volume is explicitly on a 100% basis. It should not be treated as directly equivalent to another company’s attributable production or shipments. |
These measures describe different things: shipments are not the same as production, and EBITDA, net profit, revenue and free cash flow are not interchangeable. The reports also differ in period, currency and company definitions. Read the original reporting for definitions before using any figure in a detailed financial comparison.
What diversification changes—and what it does not
A concentrated iron ore business is more directly exposed to iron ore conditions. Broader portfolios can spread operating and revenue exposure across more commodities, but they do not remove commodity-price risk, operational disruptions, project risk or share-price volatility. Diversification within a mining company is also not the same as diversification across an entire investment portfolio.
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For a portfolio already heavily exposed to iron ore or Australian mining, adding another miner may increase rather than reduce concentration. Consider the underlying commodity exposures and currencies alongside the company name.
Costs, scale and resilience
BHP reports WAIO unit costs of US$18.56/t for FY2025. Its FY2026 WAIO unit-cost expectation is US$18.25–19.75/t, based on an AUD/USD assumption of 0.65. The range is guidance, so it should not be presented as an achieved cost.
The cited material does not provide harmonized, same-period cost figures for Fortescue, BHP and Rio Tinto. It therefore cannot support a definitive ranking of which has the lowest costs or would prove most resilient in a downturn. Costs are only one part of that question: commodity prices, exchange rates, production performance, capital needs and balance-sheet capacity also affect earnings and cash generation.
How to read the dividend figures
Fortescue reports a fully franked A$1.08 per-share dividend for FY26. Rio Tinto’s 2025 annual report records total dividends of 402 US cents per share. Its 19 February 2026 results release describes a US$6.5 billion ordinary dividend and a 60% payout ratio. These figures cover different reporting periods and currencies, and the Fortescue figure also specifies Australian franking treatment; they are not a like-for-like yield comparison.
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Dividends can change with earnings, investment plans and board decisions. A reported distribution is not a promise of future income. To compare income potential, use a common date and listing basis, check the relevant share price and currency, and account for tax treatment that applies to you.
What recent operating results say about Rio Tinto
In its 19 February 2026 results release, Rio Tinto attributed an 8% uplift in copper-equivalent production to the ongoing ramp-up of the Oyu Tolgoi underground copper mine and record iron ore production since April from its Pilbara operations. The release’s statement illustrates how more than one commodity and operation can contribute to reported production; copper-equivalent production is a company-defined measure, not a direct substitute for revenue or profit.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Valuation: do not compare one dated multiple with missing peers
A delayed third-party quote from Stock Analysis puts Fortescue (ASX: FMG) at A$16.19 at the 2 October 2026 close, with a trailing P/E of 12.03. That is a timestamped snapshot for Fortescue, not a matched comparison with BHP and Rio Tinto. Comparable same-date valuation figures for all three, calculated on consistent listing, currency and earnings definitions, are not established here.
A lower P/E alone would not prove that a share is undervalued: earnings may reflect a different point in the commodity cycle, and accounting definitions and expectations matter. Before comparing valuations, align the market date and currency, confirm the listing being assessed, and use the same measure—such as trailing or forward earnings—for each company.
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A practical way to decide which fits
- Set the role for the holding. Decide whether you want concentrated iron ore exposure, a broader mining mix, or an income-producing holding. Do not assume a dividend or recent result will persist.
- Check your existing exposures. Look through your portfolio for mining shares, iron ore sensitivity and foreign-currency exposure. A company with more commodities may still overlap substantially with holdings you already own.
- Compare the underlying businesses on consistent measures. Use the same reporting period where possible, distinguish shipments from production, and check whether volumes are attributable or on a 100% basis. Compare costs only when definitions and currency assumptions line up.
- Assess capital and balance-sheet demands. Review company reporting on investment plans, funding and distributions; the headline production and profit figures alone do not settle how much cash may be needed for future projects.
- Use a common-date valuation. Compare all three using the same date, listing basis, currency and valuation method. If those inputs are not aligned, treat the result as incomplete rather than calling one stock cheap.
- Match the choice to your circumstances. Your time horizon, ability to tolerate share-price and commodity swings, income needs, tax position and investment jurisdiction affect suitability. Company-level comparisons cannot determine the right allocation for an individual.
Sources and scope
- Fortescue Investor Centre, “Results and operational performance / Investor Centre,” including FY26 results headlines and reporting documents.
- BHP, Annual Report 2025, for the year ended 30 June 2025.
- Rio Tinto, Annual Report on Form 20-F 2025.
- Rio Tinto, “Solid results underpinned by +8% CuEq production and sharper cost discipline,” 19 February 2026.
- Stock Analysis, Fortescue ASX FMG statistics and valuation metrics; delayed quote for 2 October 2026.
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