Rio Tinto Ltd (ASX: RIO) shares have finally taken a breather.
The Rio Tinto share price has slipped around 8% over the past month, but that barely dents what has been an outstanding run. The mining heavyweight is still up an impressive 67% over the past 12 months, making it one of the best-performing ASX blue chips and even outpacing rival BHP Group Ltd (ASX: BHP).
So, after such a stellar rally, is there still a case for buying Rio Tinto shares?
Here are three reasons long-term investors may think so.
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World-class iron ore assets
Rio Tinto's biggest strength remains its iron ore business.
The company owns some of the world's highest-quality, lowest-cost mines in the Pilbara, giving it a significant competitive advantage over many global rivals.
Because these operations sit so low on the cost curve, Rio Tinto can continue generating healthy profits even when iron ore prices soften. When prices rise, those same assets become cash-generating machines.
Its scale, infrastructure, and decades of operational expertise create barriers to entry that few competitors can match.
Reliable cash flow and dividends
Rio Tinto shares have long been one of the ASX's premier dividend stocks.
While dividends naturally fluctuate with commodity prices, the company has consistently returned a substantial share of its profits to shareholders through dividends and, at times, share buybacks.
That shareholder-friendly approach is supported by a strong balance sheet, disciplined capital allocation, and exceptional cash generation.
For income investors, few miners have Rio's track record of rewarding shareholders throughout the commodity cycle.
Growing exposure to future-facing commodities
Although iron ore remains Rio Tinto's biggest earnings driver, the company is steadily broadening its portfolio. It is investing heavily in commodities expected to benefit from the global energy transition, including copper, lithium, and aluminium.
Copper is essential for electrification, renewable energy, and electric vehicles. Lithium demand continues to grow as battery production expands, while aluminium is increasingly used in lightweight transport and clean-energy infrastructure.
These investments give Rio Tinto shares exposure to long-term structural growth trends while its iron ore business continues funding expansion.
The key risk
Investing in Rio Tinto shares is not without risk. Rio Tinto still derives the majority of its earnings from iron ore, making the company highly sensitive to Chinese steel demand and fluctuations in iron ore prices.
If either weakens significantly, profits and dividend payments could come under pressure.
Foolish takeaway
Rio Tinto combines three qualities that long-term investors often seek: world-class mining assets, exceptional cash generation, and growing exposure to commodities that should remain in demand for decades.
While its fortunes will continue to rise and fall with the iron ore cycle, Rio's diversified growth strategy and history of rewarding shareholders make a compelling case that the recent pullback could present another opportunity for patient investors.
