Billionaire Wealth in California

California’s 246 billionaires saw their collective wealth increase by $487.2 billion (31%) between March 2025 and March 2026. They are now worth $2.061 trillion. The richest billionaires are doing even better. As of March 2026, the 10 wealthiest California billionaires are worth $1.045 trillion — a $338.4 billion (48%) increase — from March 2025.

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