Sheldon Adelson, Estimated Net Worth $37.1B
Sheldon Adelson, the billionaire behind the Las Vegas Sands casino empire, told Forbes in 2012 that he would be willing to do “whatever it takes” to dethrone President Obama. Including spending upwards of $100 million. Adelson’s total investments against Obama are unknown. According to Politico, an estimated $20 million to $30 million of the giving went to groups that do not disclose their donors and had not been reported before. Another $10 million went to Restore Our Future, paying for anti-Obama ads in swing states.
Adelson has maintained his rhetoric against Obama.