Missouri ballot measure campaigns dominate fundraising, ad spending for primary

Missouri's political fundraising in 2023 is dominated by ballot measure campaigns for four constitutional amendments on the August 4 primary ballot, with over $27 million raised. Amendments 4 and 5 have attracted the most funding, with Amendment 4 opponents raising $6 million and $5.3 million respectively, while Amendment 5 supporters have raised $12.7 million.