Hudbay Minerals Shares Jump 15.03% on $0.36 Billion Trading Volume Topping Daily Ranks After Mitsubishi's $600M Strategic Investment in Arizona Copper Project

Hudbay Minerals (HBM) surged 15.03% on August 13, 2025, with a trading volume of $0.36 billion—nearly tripling the previous day’s activity. This sharp rally followed the announcement of a $600 million strategic investment from Mitsubishi Corporation in the Copper World copper project in Arizona. The deal secures a 30% stake for Mitsubishi, reducing Hudbay’s capital obligations and deferring its first contribution to 2028. The partnership validates the project’s long-term value, enhances financial flexibility, and boosts the levered IRR to approximately 90% based on preliminary estimates.

The transaction underscores Hudbay’s strategic pivot to leverage its U.S. critical minerals supply chain, with Copper World projected to produce 85,000 tonnes of “Made in America” copper annually over 20 years. The project will create over 1,000 construction jobs and 400+ direct roles post-launch, aligning with U.S. national security and energy independence goals. Mitsubishi’s expertise in global mining partnerships complements Hudbay’s operational strengths, while an enhanced precious metals stream with Wheaton adds upside potential through a $70 million contingent payment tied to production milestones.

Hudbay’s revised capital structure, supported by the joint venture and a $230 million upfront stream deposit, positions the company to advance Copper World toward a 2026 sanction decision. The deal also aligns with its 3-P prudent financing framework, ensuring the project meets key financial and technical benchmarks. Analysts highlight the scarcity of shovel-ready copper projects and the strategic importance of domestic production amid global supply chain shifts.

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