Wealthy donors who have given at least $1 million this election cycle contributed nearly 56 percent of the $640 million that has flowed into super PACs, which can accept unlimited contributions from individuals and corporations.

While these groups cannot coordinate their advertising with candidates or political parties, they often work closely with official campaigns, and they are poised to be influential forces in this year’s congressional midterm elections.

[Meet the little-known ‘big fish’ megadonor setting the tone for GOP primary races]

Casino owner Sheldon Adelson and his wife, Miriam, shot to the top of the list with their $30 million donation to a super PAC that aims to help Republicans retain the House. In 2016, the couple gave large sums to anti-Clinton groups and together they have been some of the biggest political givers of the past three elections.

The Top Donors

As in past election cycles, a small number of wealthy donors are driving a large share of the millions of dollars already filling super PAC coffers.

People and companies giving
$1.25 million or more

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About this story

The Washington Post analyzed all donations of $10,000 and above to all federal super PACs through June 30. Donor totals have been adjusted to include refunds. Donations made by labor unions and party committees are not included in the list of top donors.

Originally published April 10, 2018.

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