WASHINGTON — Elon Musk has given more money during the midterm elections than any donor has ever spent in a single election cycle, apart from wealthy candidates who have funded their own runs for office.

He has contributed a stunning amount: $474 million, or nearly half a billion dollars.

That sum, which includes disclosed donations to federal and state political groups since Jan. 1, 2025, breaks down as follows:

— About $216 million to his own super political action committee, America PAC, which is spending money across the country on an extensive field operation. Last year, the group spent about $47 million on an important state judicial race in Wisconsin, which Musk’s chosen candidate lost.

— $168 million to the Senate Leadership Fund, the main super PAC backing Senate Republicans.…