Serena Williams and Venus Williams are two of the most successful athletes in the history of tennis, as the sisters have built a combined fortune of about $445 million. All through prize money, endorsements, business ventures and investments, and their impact beyond the WTA Tour continues to draw attention in 2026 as both legends expand their entrepreneurial empires. Serena Williams and Venus Williams are two of the most successful athletes in the history of tennis, as the sisters have built a combined fortune of about $445 million. All through prize money, endorsements, business ventures and investments, and their impact beyond the WTA Tour continues to draw attention in 2026 as both legends expand their entrepreneurial empires.
