Billionaire George Soros contributed $6 million to a super-PAC supporting Hillary Clinton Hillary Diane Rodham ClintonBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Virginia Democrat blasts Trump's 'appalling' remark about COVID-19 deaths in 'blue states' The Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally MORE last month, according to the committee's latest financial statement.

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The investor has now contributed a total of $7 million in this election cycle to Priorities USA Action, which raised $41 million on behalf of Clinton in 2015.

In the last 6 months, the super-PAC raised $25.3 million, meaning that Soros's contribution accounted for almost a quarter of its fundraising haul.

Also making large contributions to the committee in 2015 were media mogul Haim Saban and his wife Cheryl, who gave a total of $5 million, philanthropist Laure Woods, who gave $2.3 million, and investor Donald Sussman, who contributed $2.5 million.

This group, along with Soros, accounted for two-fifths of Priorities total fundraising in 2015.

Soros, a longtime Democratic donor, was a fundraising force for John Kerry John Forbes KerryThe Memo: Warning signs flash for Trump on debates Divided country, divided church TV ads favored Biden 2-1 in past month MORE's 2004 presidential run.

He also gave a million to Priorities in 2012 when it was supporting President Obama's reelection campaign.

However, emails released by the State Department last month showed that he has since soured on the president and regrets not backing Clinton's primary campaign in 2008.

Clinton was told by a former campaign aide that Soros appreciated the former secretary of State's willingness to meet with him.

Neera Tanden, now head of the liberal Center for American Progress emailed Clinton, "I told him I worked for you in the primaries and he said he's been impressed that he can always call/meet with you on an issue of policy and said he hasn't met with the President ever (though I thought he had)."

--This report was updated at 7:48 p.m.