We're talking multi-acre estates in the Hamptons, triplexes in the wealthiest buildings in Manhattan, and massive dream homes from coast to coast.

Business Insider found the 25 most expensive homes in the U.S. owned by the kings of finance. To estimate the approximate current value of the homes, they looked at recent sales and public assessors' records, and spoke to expert realtors and appraisers in these homes' markets.

See the homes by clicking here. Spoiler alert: The No. 1 home on this list belongs to investor and businessman Ira Rennert and costs $247.8 million.