BHP is the world’s largest diversified mining company and a cornerstone of the ASX with significant exposure to iron ore — a critical commodity for global steelmaking.

In 2025, BHP’s Western Australia Iron Ore (WAIO) operations produced approximately 263 million tonnes of iron ore, slightly up on the prior period and at record levels for its core assets. Iron ore remains one of BHP’s largest revenue contributors, though the overall commodity price environment remained challenging. For FY25, BHP reported total revenue of around US$51.3bn and an underlying profit attributable to shareholders of about US$10.2bn, down from the prior year amid weaker prices for iron ore and coal.

The company maintained a 60-cent per share final dividend, reflecting disciplined capital allocation despite softer market conditions. Iron ore segment revenue specifically declined year-on-year due to lower average realised iron ore prices, even though production volumes were strong. WAIO unit costs remained competitive globally, bolstering margin resilience. The iron ore price volatility linked to Chinese demand dynamics has impacted earnings, yet BHP emphasises the long-term demand fundamentals for steel-making raw materials in infrastructure and construction markets.

BHP’s diversified portfolio — including copper and other base metals — also provides a buffer against iron ore price swings, supporting cash flow strength and dividend sustainability. Overall, BHP is a low-cost leader in iron ore production with strong operational performance, even as pricing pressures present short-term earnings headwinds.

Rio Tinto is one of the largest iron ore producers in the world, operating extensive Pilbara iron ore mines in Western Australia and, from late 2025, exporting high-grade ore from the Simandou project in Guinea — a major new growth driver.

In FY25, Rio Tinto’s Pilbara iron ore production totalled about 327 million tonnes (100% basis), with shipments tracking broadly flat year-on-year despite cyclone disruptions and weather impacts.

Total revenue for Rio Tinto in 2025 was about US$57.6bn, up around 7% on the prior year, and its underlying EBITDA increased by roughly 9% to US$25.4bn due to disciplined cost control and diversified contributions from copper and aluminium.

Rio's net profit was approximately US$10.0bn slightly below the prior year due to iron ore price declines, although dividends remained strong with an ordinary payout of about US$6.5bn. Iron ore continues to be Rio’s largest earnings contributor, even as its relative share of earnings narrows with growing contributions from copper, aluminium and new diversification assets.

Record Pilbara quarterly production and first shipments from Simandou highlight Rio’s ability to sustain and expand its global iron ore footprint, while investments in growth metals like lithium and strategic operational improvements support longer-term earnings resilience.

The company’s diversified portfolio and strong balance sheet make it a core ASX inclusion for investors seeking exposure to global commodities demand and iron ore cycles.

Fortescue is one of Australia’s leading pure-play iron ore miners, focused on cost-efficient hematite production from its Pilbara operations. In FY25, Fortescue shipped around 198.4 million tonnes of iron ore, continuing its strong operational performance despite prevailing market headwinds.

The company reported total revenue of roughly US$15.5 billion for the year, reflecting a decline from the prior period as global iron ore prices softened due to oversupply and weaker Chinese steel demand. Correspondingly, its net profit after tax fell to about US$3.4 billion, down approximately 41% year-on-year, marking its smallest annual profit in five years and resulting in a reduced final dividend of A$0.60 per share.

Fortescue’s low cost-position — with industry-leading C1 costs among major miners — helps preserve profitability even when benchmark prices are under pressure, with average realised hematite prices lower than previous years. The company continues to invest in downstream and green metals initiatives through its Fortescue Future Industries arm, although iron ore remains the dominant earnings driver.

While the earnings contraction highlights sensitivity to iron ore price cycles, Fortescue’s scale, cost leadership and strong cash generation support dividend payouts and provide strategic optionality for diversification over the longer term.