Washington DC - Democratic presidential candidate Robert F. Kennedy Jr. has been getting a lot of love from conservatives – and one in particular is putting his money where his mouth is.

In a report filed with the Federal Election Commission on Monday, the American Values 2024 super PAC, which backs Kennedy's campaign, has so far raised $9.8 million since the candidate announced his bid.

Over half of that amount came from megadonor Timothy Mellon, who contributed $5 million to the PAC in April days before RFK Jr. joined the race.

"[RFK Jr. is] the one candidate who can unite the country and root out corruption [and] he's the one Democrat who can win in the general election," Mellon said in a statement to CNBC.

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RFK Jr. has faced scrutiny for his anti-vaccine and Covid-19 conspiracy theories, and has failed to make much leeway with the Democratic Party, while the far-right has come to embrace him.

According to Business Insider, Mellon has dropped millions on GOP candidates in recent years, including $20 million to a PAC that supported Donald Trump's 2020 re-election campaign, $30 million to a PAC for Senate Minority Leader Mitch McConnell, $45 million to a PAC for House Speaker Kevin McCarthy, and $53 million to support Texas Governor Gregg Abbott's effort to build a border wall.

RFK Jr. probably doesn't see much of an issue with accepting the donation, as he has said recently that he is "proud" to have the admiration of Trump.