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William Koch is the son of the largest privately owned oil refining company in the United States. After leaving the Koch Industries founded by his father Fred Chase Koch, William Koch went on to establish and head the Oxbow Group, a Florida-based energy development holding company.
Koch is known to be an avid collector of wines, arts, and maritime memorabilia. His collection of maritime memorabilia includes antique nautical instruments, model shops and paintings of seascapes and ships. Koch also owns a collection of military vehicles which include an M42 Duster Antiaircraft gun. William Koch has an estimated net worth of over $4.05 billion.
Earnings & Financial Data
Date |
Category |
Description |
Amount |
---|---|---|---|
2018 |
Asset |
Current value of William Koch's 15,000-square-foot Elk Mountain Lodge on 59 acres in Aspen's Castle Creek Valley |
$90,000,000 |
2016 |
Earning Turned Donation |
Money spent for the building of the Oxbridge Academy of the Palm Beaches |
$75,000,000 |
2016 |
Sale of Asset |
Estimated value of the Koch brother's wine collection in an auction that features some extraordinary lots, including six magnums of 1982 Pétrus |
$12,750,000 |
2016 |
Sale of Asset |
Sale of William Koch’s cellar |
$22,000,000 |
2015 |
Asset |
Purchase value of William Koch's `Blue Period' Picasso |
$67,500,000 |
2015 |
Sale of Asset |
Selling price of William Koch's old Florida-style mansion in Gulf Stream, a tiny beach resort town just south of Palm Beach |
$3,400,000 |
2007 |
Asset |
Purchase value of William Koch's famed Elk Mountain Lodge property in Aspen |
$26,500,000 |
2007 |
Asset |
Purchase value of William Koch's old Florida-style mansion in Gulf Stream, a tiny beach resort town just south of Palm Beach |
$3,100,000 |
1983 |
Sale of Asset |
Sale of William Koch's stake in Koch Industries to his brothers Charles and David |
$470,000,000 |