Rank #77 · United States · baseline 2026-03-01

Lyndal Stephens Greth & family

Estimated net worth: $30 billion · Energy

Primary asset route

Endeavor Energy Resources proceeds

Ownership of energy production, storage, battery, fuel or electricity infrastructure.

Not reliably disclosed. Net-worth movement is not salary or realised income.

Energy security and infrastructure attract capital, but policy, commodity prices and execution can dominate returns.

Estimated estimate, dated 2026-03-01. Last system check 2026-07-20.

Verify ownership, debt, share sales, dividends, trusts, foundations, contracts and political finance through primary records.

A connection or holding structure does not by itself establish misconduct, control or coordinated activity.