The GOP picked up four seats this cycle, flipping the chamber and netting a decisive 53 seat majority.
Thirty-four of the Senates 100 seats were on the ballot in 2024.
Seven of them were open seats with no candidate running for reelection.
U.S. Sen. Ted Cruz (R-Texas) speaks on Oct. 31, 2024 in Killeen, Texas.Brandon Bell/Getty Images
Democrats have narrowly controlled the chamber for the past four years, but Republicans flipped enough seats.
Montanas Democratic incumbent Jon Testerwas defeatedby Republican challenger Tim Sheehy.
All in all, a bad showing.
Most of the spending was concentrated on highly competitive races in Ohio, Montana, and Pennsylvania.
In the 2022 midterms, Democrats managed to narrowly expand their majority in the Senate to 51-49.
In September of last year, Sen. Dainne Feinstein (D-Ca.
)died in officeat the age of 90, after serving more than three decades in the Senate.
His now vacant seat is expected to be won by Rep. Andy Kim (D-N.J.).
