March 23, 2026 / 11:13 AM EDT / CBS News

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OnlyFans owner Leonid Radvinsky, a reclusive billionaire who transformed a little-known adult-content site into a cultural touchstone, has died of cancer, the company said Monday. Radvinsky was 43.

"We are deeply saddened to announce the death of Leo Radvinsky. Leo passed away peacefully after a long battle with cancer," OnlyFans said in a statement to CBS News. "His family have requested privacy at this difficult time."

Radvinsky was worth $4.7 billion at the time of his death, according to Forbes.

Radvinsky, who was born in Ukraine, grew up in Chicago. He earned a bachelor's degree in economics from Northwestern University, where he started a porn website referral business while a student, according to Forbes.…