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    Wheaton’s billion‑dollar streaming push: portfolio and cost‑curve notes for mine teams

    August 19, 2026|

    Reviewed by Tom Sullivan

    Wheaton’s billion‑dollar streaming push: portfolio and cost‑curve notes for mine teams

    First reported on MINING.com

    30 Second Briefing

    Wheaton Precious Metals’ new CEO Haytham Hodaly plans to make multi‑billion‑dollar streams, like this year’s US$4.3‑billion silver deal on BHP’s Antamina copper‑zinc mine in Peru, a roughly annual feature as the company deploys about US$4.7 billion in 2026 while keeping over US$2.5 billion in undrawn credit. Wheaton forecasts production rising from 803,000 to 1.2 million gold‑equivalent oz. between 2025 and 2030 from 22 producing assets and more than 20 development projects, with about 80% of its portfolio in the lower half of the cost curve. Newer contracts link ongoing payments to a percentage of spot prices rather than fixed escalators, modestly raising Wheaton’s unit costs but easing long‑term pressure on operators’ cash flow and balance sheets.

    Technical Brief

    • Wheaton’s internal technical due diligence suggests Antamina’s operating life could extend 30–50 years, far beyond market assumptions.
    • The Antamina transaction followed years of engagement, with initial approaches ~5 years ago and renewed talks 15–16 months ago.
    • Wheaton’s portfolio currently generates about US$2.7 billion per year in free cash flow, underpinning larger deal capacity.
    • Second-quarter revenue reached a record US$929 million, with operating cash flow up 57% year-on-year to US$650 million.
    • The company’s portfolio comprises 22 producing mines, 20+ development projects and 15 royalty/exploration positions.
    • About 80% of underlying assets sit in the lower half of the industry cost curve, limiting shutdown risk through cycles.
    • Newer streams use a percentage-of-spot payment, increasing Wheaton’s unit cost ~20% for each US$100 gold price rise.
    • Streaming and royalty competitors have expanded from a handful in 2004 to an estimated 30–40 companies today.

    Our Take

    The Antamina copper‑zinc stream, underpinned by Wheaton’s internal 30–50‑year life view, contrasts with the shorter timelines and permitting uncertainty flagged in our Canada‑focused critical‑minerals pieces, suggesting the company is deliberately skewing large tickets towards long‑life, de‑risked jurisdictions like Peru while using smaller deals for earlier‑stage Canadian projects.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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