The 5 Biggest Philanthropists , in the US in 2023.<br />These five billionaires donated the most <br />money in 2023, Insider Monkey reports. .<br />5. Jim Simons, Net Worth (As of October 21): $96.3 Billion.<br />Simons founded Renaissance Technologies, <br />runs the Simons Foundation and donated <br />$4 billion to philanthropic causes in 2023.<br />4. Michael Bloomberg, Net Worth (As of October 21): $96.3 Billion.<br />Bloomberg is part of the Giving Pledge, a charitable campaign that spans 28 countries and encourages the wealthiest people in the world to give back.<br />3. MacKenzie Scott, Net Worth (As of October 21): $33.6 Billion.<br />Also a part of the Giving Pledge, Jeff Bezos' <br />ex-wife has given away $14.4 billion since 2020.<br />2. Bill Gates, Net Worth (As of October 21): $108.5 Billion.<br />The Microsoft co-founder donates large <br />sums of money through his foundation.<br />1. Warren Buffett, Net Worth (As of October 21): $112.6 Billion.<br />The Berkshire Hathaway CEO has pledged to give away 99% of his wealth throughout his lifetime
