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Billionaire Index

A daily ranking of the world's richest people

Last updated: November 11, 2026 · $11.70T tracked

Methodology

No. 213United States

Jeffery Hildebrand

Oil & gas · Houston, Texas

Net worth

$14.2B

Today

$00.00%

Past month

−$73M−0.51%

As of Nov 11, 2026, 1:50 PM EST

Jeffrey Hildebrand cofounded Hilcorp in 1990; he later bought out his partner for $500 million. In 2020 Hilcorp finalized the $5.6 billion acquisition of BP's assets in Alaska. Weapons buff, Hildebrand has invested in Savage Arms, Sierra Bullets, BowTech and Excalibur Crossbow. In 2015, Hildebrand gave each of his 1,400 employees a $100,000 bonus after they doubled the size of his company in five years. Among the biggest privately held oil companies, Hilcorp produces more than 400,000 barrels per day of oil and gas.

Net worth over time

−0.51%−$73M over the past month
$16B$15B$14B
Oct 12Nov 11

Principal holdings

1 positions
CompanyShareValue

Private holdings

100.0%$14.2B

Also known for

  • In Aspen, Colo. Hildebrand owns a 1,000-acre ranch that used to belong to singer John Denver.
  • Wife Melinda serves as President Trump's ambassador to Costa Rica.