Ken Griffin, the billionaire founder of the $65 billion hedge fund Citadel, called for some restraint from Donald Trump regarding policies implemented around immigration and inflation, write Business Insider's Bradley Saacks and Michelle Abrego.

Ken Griffin said he would consider selling a piece of Citadel, the $65 billion multistrategy hedge fund he founded in 1990.

"I am gravely concerned that the rise of tariffs puts us on a slippery slope towards crony capitalism," the billionaire investor said.

Griffin has been happy with how Sequoia, which is a minority shareholder in Citadel Securities, has helped his market maker.

The era of explosive growth in multistrategy hedge funds is over, according to billionaire Ken Griffin, who runs one of the biggest such firms.

Griffin, at an event hosted by the Economic Club of New York, said it made sense for him to sell a minority stake in his market maker Citadel Securities to Sequoia and Paradigm in 2022, in a deal that valued the firm at $22 billion.

Billionaire businessman Ken Griffin on Thursday said he would contemplate selling a piece of his $65B hedge fund Citadel. Read more here.

Griffin is also the founder of market maker Citadel Securities. Citadel Securities sold a minority stake to Sequoia Capital in 2022. He said Sequoia brought insights on how to manage a rapidly growing business. “We would look for a partner like Sequoia,” he said about the possibility of ever selling a minority stake on the hedge fund side.