Billionaire Ken Griffin Invests $40 Million in 2026 Midterm Elections to Shape Republican Party

Jul 14, 2026

Billionaire Ken Griffin has invested approximately $40 million into the 2026 midterm elections, a total that could double by November 2026. Griffin is focusing heavily on Senate races to shape the future of the Republican Party and secure its majorities in the House and Senate. His largest contribution so far is a $10 million donation to the Senate Leadership Fund, a political group aligned with Senate Majority Leader John Thune.

Ken Griffin midterm election donations

▪Ken Griffin's total donations for the 2026 midterm campaigns could potentially double by November 2026.
▪Billionaire Ken Griffin has invested approximately $40 million into the 2026 midterm campaigns as of July 14, 2026.

Senate Leadership Fund contributions

▪Ken Griffin's single largest political donation in 2026 so far was a $10 million contribution to the Senate Leadership Fund.
▪The Senate Leadership Fund is a political group aligned with Senate Majority Leader John Thune.

Republican Party shaping strategy

▪Ken Griffin's political giving in 2026 is heavily focused on Senate races to help shape the future of the Republican Party.
▪Ken Griffin is directing his political donations to help the Republican Party maintain its majorities in both the House of Representatives and the Senate.