A rumor that Tesla CEO and X owner Elon Musk pledged $5 billion to the presidential campaign of the Republican candidate, former U.S. President Donald Trump, circulated online in October 2024. For example, the Facebook group USA NEWS posted about it on Oct. 6:

Mr. Musk, the world’s richest man and the leader of Tesla and X, delivered a dark warning during an animated appearance at former President Donald J. Trump’s rally.