William Koch Net Worth

Estimated net worth (2026)

$2 billion

Who is William Koch?

The United States energy sector has seen William Koch contribute significantly through his work as an entrepreneur whose wealth is primarily derived from oil and investments. Born in 1940, he operates within the broader energy industry landscape. His professional profile places him among figures ranked by Forbes at #2149. As of 2026, estimates place his net worth at around $2.0 billion, reflecting his involvement across various investment assets within the resource economy.

Known for

Entrepreneur

Wealth from

Oil, investments

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Net worth figure (2026) sourced from Forbes. Net worth figures are estimates and may vary by source.

William Koch Net Worth 2026: $2 billion | Sources & Breakdown