"I think democracy is at stake," said billionaire investor Seth Klarman. : Seth Klarman used to be the Republican party’s largest donor in New England. Now, the billionaire investor says he’s donating up to $20 million solely to Democratic candidates. “We need to turn the House and Senate as a check on Donald Trump and his runaway presidency,” Klarman told The New York Times. “I think democracy is at stake.” Klarman, 61, is the founder of the Boston-based hedge fund Baupost Group, where he manages more than $30 billion. According to Forbes, he’s worth $1.5 billion.