Adjusted net income, which strips out most one-time items, rose to US$78.7 million, or US$0.10 per share, from US$29.6 million, or US$0.04, "primarily due to higher volumes of copper sold at a higher realized price," the company said. The consensus forecast among analysts polled by FactSet expected US$0.12 per share.

Revenue rose to US$685 million in the quarter ended Dec. 31 from US$446.9 million a year ago. FactSet projected US$657.4 million.

"2025 was an inflection point for Capstone, representing tangible delivery on peer-leading growth with our copper production up 22%. Operationally, we met our consolidated production and cost guidance, driving record EBITDA generation," Chief Executive Cashel Meagher said.

Capstone Copper said its 2026 guidance remains unchanged from the outlook released on Feb. 17. The company added that it expects to produce between 200,000 and 230,000 tonnes of copper in 2026, and production is projected to increase in 2027, supported by the Mantoverde Optimized project, higher copper grades at Mantos Blancos, and more normal operating levels at Mantoverde and Pinto Valley without prolonged shutdowns. C1 cash costs for 2026 are forecast at US$2.45 to US$2.75 per payable pound of copper, higher than in 2025.

Capstone shares closed down C$0.40 to C$13.71 on the Toronto Stock Exchange.

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