Elon Musk poured more money into this year's midterm elections than any other known donor, but the billionaire's record spending on behalf of Republicans did little to stop a Democratic wave that flipped both chambers of Congress and delivered stunning upsets in his adopted home state of Texas.

Estimates of Musk's total vary by analysis, but all place him far ahead of any other donor. Newsweek, citing an analysis of federal filings, reported that the Tesla and SpaceX CEO gave more than $445 million to Republican causes this cycle, making him the top donor of the 2026 midterms by a wide margin. A CNBC tally put his spending on the 2026 elections at least $474 million, including $224 million in Texas.

Most of the money flowed through three major groups. America PAC, the super PAC Musk founded, received $216 million, while the Senate Leadership Fund, the main super PAC supporting Senate Republicans, received $168 million and the Congressional Leadership Fund, which backs House Republicans, received $30........

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