George Kaiser profile photo

George Kaiser

Global rank #180 · Energy
Estimated net worth
$16.5B
-$5.89M (-0.04%) since the previous Grizzly Bulls update
Updated Sep 4, 2026, 7:15 PM EDT

Wealth history

Older points are reconstructed from archived Forbes estimates and are approximate because the original stored values were rounded. The latest point uses the current net worth estimate shown above.

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View wealth history table
YearEstimated net worthBasis
2015$9BHistorical Forbes estimate (approx.)
2016$7.1BHistorical Forbes estimate (approx.)
2017$7.9BHistorical Forbes estimate (approx.)
2018$7.8BHistorical Forbes estimate (approx.)
2019$7.6BHistorical Forbes estimate (approx.)
2020$5.6BHistorical Forbes estimate (approx.)
2021$5.8BHistorical Forbes estimate (approx.)
2022$9.9BHistorical Forbes estimate (approx.)
2023$13.3BHistorical Forbes estimate (approx.)
2024$14.5BHistorical Forbes estimate (approx.)
2026$16.5BCurrent estimate
Historical points are approximate.

Recent wealth changes

These changes compare Grizzly Bulls wealth estimates from the dates shown below.

PeriodWealth changeRank changeCompared with
1 day-$5.89M (-0.04%)Down 1Sep 3, 2026
7 days+$82.13M (0.50%)Up 3Aug 28, 2026

Comparable Energy billionaires

Similar Energy billionaires by estimated net worth.

Sources and calculations

Grizzly Bulls tracks this published net worth estimate over time and separately values identified public holdings when share counts and market prices are available. The total shown at the top currently uses the latest available Forbes estimate; holding values shown on this page do not replace it.

A second published estimate from Bloomberg differs by 11.25% from the net worth shown above.

Background citations are listed with the background section so its numbered references remain easy to follow.