A small group of billionaires is supplying a commanding share of Republican-aligned campaign cash ahead of the 2026 midterms, according to new Federal Election Commission filings released this week. Elon Musk contributed at least $276 million to support Republicans in the third quarter, making him the cycle’s largest political spender, based on a review of the filings. The technology entrepreneur’s donations came through multiple contributions rather than the oversized public checks he handed out during last year’s Wisconsin campaign events. Shipping magnate Richard Uihlein added $66 million to a super PAC active in federal and state contests around the country, bringing his donations this cycle to more than $130 million. Pennsylvania businessman Jeff Yass gave another $10 million to a super PAC backing Ohio Republican gubernatorial candidate Vivek Ramaswamy, taking his cycle total above $105 million. Together, Musk, Uihlein and Yass have directed more than $600 million in federal donations to Republicans this cycle. Their giving underscores how a handful of wealthy donors are driving much of the fundraising gap between the parties as super PAC spending sets records this fall. Republicans are counting on that financial firepower to help them weather a difficult national political climate. Super PACs can raise and spend large sums to influence elections, though they are barred from coordinating their spending with candidates’ campaigns. The filings offer a detailed look at the scale of outside money flowing into races across the country. For voters, the figures highlight how a small number of donors can help determine which campaigns have the resources to reach the public in a costly election season.