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Antamina Stream Deal Becomes Effective for Wheaton Precious Metals Output

Wheaton Precious Metals logoWheaton Precious Metals
Sig4.60Sen+4.70Env0.00Soc0.00Gov0.00

BHP’s Antamina precious metals purchase agreement became effective April 1, 2026, increasing Wheaton Precious Metals attributable silver to 67.5% and adding another 33.75% of payable silver until delivery thresholds step down. The $4.3 billion stream deal adds long-life silver exposure with payments equal to 20% of spot silver. WPM also reported higher silver and gold-equivalent output in early 2026 and reaffirmed its 2026 and 2030-2035 production outlook.

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