This could get expensive.
The head of $20 billion Appaloosa Management has a personal worth estimated at $10 billion and made a reported $3.5 billion in 2013 alone, setting up what could be a very costly proceeding.
"They have separated and are telling friends the marriage has run its course. They hope to settle things quickly, quietly and amicably," a source told the Post.
A source contacted by CNBC.com declined to confirm or deny the report.