A billionaire hedge fund manager and former major GOP donor is tearing into Republicans, saying he is planning to use money from the GOP tax cuts to elect Democrats.

“I received a tax cut I neither need nor want,” Seth Klarman told The Boston Globe.

“I’m choosing to invest it to fight the administration’s flawed policies and to elect Democrats to the Senate and House of Representatives.”

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Klarman said Republicans in Congress have failed to hold President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE accountable. He added that GOP lawmakers have "abandoned their historic beliefs and values."

“For the good of the country, the Democrats must take back one or both houses of Congress," he said.

According to the Globe, Klarman has given about $222,000 to 78 Democrats running for Congress since the 2016 elections.

He has also given money to several nonprofits advocating for issues like gun control and protecting the environment.

Klarman, the CEO of Boston's Baupost Group, a hedge fund with $30 billion in assets, is a registered independent, according to the Globe.

During the Obama administration, he donated more than $7 million to Republican candidates and political committees.