Politico:

A handful of megadonors are giving big to try and keep Republicans’ midterm hopes alive.

Elon Musk gave at least $276 million to boost Republicans in the third quarter, making him by far the largest spender of the cycle. Midwestern shipping magnate Richard Uihlein put $66 million more into a super PAC that has spent in federal and state races across the country, bringing his total giving this cycle past $130 million. Pennsylvania businessman Jeff Yass put another $10 million into a super PAC backing Vivek Ramaswamy’s Ohio gubernatorial bid, increasing his total donations on the cycle to over $105 million.

Together, the three billionaires accounted for more than $600 million in federal donations to Republicans this cycle, according to a POLITICO review of Federal Election Commission records.

The new filings shed light on super PAC spending that has already set records this fall, with Republicans hoping a massive financial advantage can help them overcome a brutal national political environment. And they reveal how just a handful of large donors account for the bulk of that fundraising gap.

Musk gave $158 million last quarter to Senate Leadership Fund, which the GOP super PAC immediately poured into a new group it spun up to boost Ken Paxon in Texas’ hotly contested Senate race. Musk also gave $10 million to another pro-Paxton super PAC, Lone Star Liberty PAC, in the third quarter, along with $20 million to Congressional Leadership Fund, the GOP’s House-affiliated super PAC….