Axios reported Citadel Securities CEO Ken Griffin told a private meeting Wednesday he would back Marco Rubio if the 2028 Republican primary pits Rubio against Vice President Vance. Griffin, one of the party’s largest political donors, gave more than $100m in 2024. His comments highlight an intra-party split: establishment backers coalescing around Rubio versus anti-establishment factions favoring Vance, in part because Vance opposes deeper U.S. involvement overseas. Griffin said he has backed Ru

Axios reported Citadel Securities CEO Ken Griffin told a private meeting Wednesday he would back Marco Rubio if the 2028 Republican primary pits Rubio against Vice President Vance. Griffin, one of the party’s largest political donors, gave more than $100m in 2024. His comments highlight an intra-party split: establishment backers coalescing around Rubio versus anti-establishment factions favoring Vance, in part because Vance opposes deeper U.S. involvement overseas. Griffin said he has backed Rubio before and would lean to do so again but did not specify how he would help; Rubio has said he would yield to Vance if Vance ran.