Here's the full megadonors list and the amounts they contributed:
- Michael Bloomberg, $1.4 billion. The media and financial information billionaire spent $1.09 billion on his 2020 presidential bid before dropping out of the Democratic primary.
- Tom Steyer and Kat Taylor, $653 million. Steyer, a California Democrat who became a billionaire running his own hedge fund, already was a big political donor before plowing millions into his own short-lived bid for the presidency in last year's election.
- Sheldon and Miriam Adelson, $523 million. Sheldon Adelson, a casino magnate who died in January, was one of the biggest political benefactors in Republican politics. His widow Miriam, a physician, is a political player in her own right with a net worth of more than $37 billion, according to Forbes.
- Richard and Elizabeth Uihlein, $138 million. This conservative Illinois-based couple own Uline Corp., a shipping and packaging company.
- Ken Griffin, $107 million. The billionaire owner of hedge fund Citadel has backed Republicans.
- Donald Sussman, $98 million. This hedge funder is a longtime backer of Democratic candidates and causes.
- Jim and Marilyn Simons, $93 million. Jim Simons is the billionaire founder of the New York-based Renaissance Technologies hedge fund. His and wife are stalwart funders of Democratic groups.
- Fred Eychaner, $92 million. This Chicago businessman is a longtime funder of Democratic organizations.
- Dustin Moskovitz and Cari Tuna, $83 million. Moskovitz is a Facebook co-founder. He and his wife have supported Democratic super PACs.
- Timothy and Patricia Mellon, $70 million. Wyoming-based Timothy Mellon, an heir to the Mellon family fortune, emerged in politics as a major donor to a super PAC backing then-President Donald Trump's reelection.
- Joe and Marlene Ricketts, $66 million. Republican Joe Ricketts is the founder of TD Ameritrade. Members of the Ricketts family own the Chicago Cubs.
- Paul Singer, $63 million. This hedge fund billionaire has helped fund an array of super PACs working to elect Republicans over the years; he also spent heavily to encourage Republicans to back gay marriage.
- https://www.cnn.com/2021/04/20/politics/americas-biggest-political-donors/index.html