Tracking the money: The biggest donors in the 2026 US midterm elections

Al Jazeera reports that the 50 largest donors and organisations have contributed $2.77 billion to the 2026 U.S. midterm cycle, with Republican-aligned contributors accounting for about 60%. Political advertising spending is projected at $11.6 billion.

• Political advertising spending in the 2026 midterms is projected to reach $11.6 billion, according to AdImpact.· 1 source
• The 50 largest donors and organisations contributed a combined $2.77 billion; Republican-aligned contributors accounted for $1.67 billion, or about 60%.· 1 source
• Elon Musk was the largest individual contributor listed, with $446 million, according to Federal Election Commission data cited in the report.· 1 source