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Candidate

Mike Bost

Republican · Incumbent

Mike Bost (Republican) is one of 2 candidates on the November 3, 2026 ballot for U.S. House, Illinois District 121. A full profile is coming.

Who funds this campaign

Official reports filed with the Federal Election Commission (FEC) for January 1, 2025 through June 30, 2026.

$1,327,225raised
$889,522spent
$789,999cash on hand

Cash on hand includes money left over from the campaign's earlier races, so it can be more than raised minus spent.

Where the money came from

  • People who gaveincluding $39,507 in gifts under $200$512,599
  • PACs and other political committees$810,987
  • Political party committees$250

Largest contributions from PACs and parties

As named in the filings, net of any refunds. Joint fundraising transfers are counted in the totals above.

  1. UBS AMERICAS INC. PAC (UBS PAC)PAC$10,000
  2. THE SURETY & FIDELITY ASSOCIATION OF AMERICA PACPAC$10,000
  3. PHILIPS NORTH AMERICA LLC PACPAC$10,000
  4. GROWTH ENERGY PACPAC$10,000
  5. NATIONAL PORK PRODUCERS COUNCIL PORK PACPAC$10,000
  6. AMERICAN SOCIETY OF ANESTHESIOLOGISTS PAC (ASA PAC)PAC$10,000
  7. AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE PACPAC$10,000
  8. UNITED PARCEL SERVICE INC. PACPAC$10,000
  9. NATIONAL CORN GROWERS ASSOC. PAC (CORN PAC)PAC$10,000
  10. MIDWEST REGION LABORERS' POLITICAL LEAGUEPAC$10,000

Gifts from individual people are listed by name in the full filings. See every report on FEC.gov. Numbers updated October 9, 2026; we add no labels or judgments to any donor.

Last reviewed 2026-10-10. Spotted something wrong? Every claim links to its source so you can check it yourself.

Sources (1)

Every claim on this page links to one of these
  1. Illinois State Board of Elections, Candidate Filing Search, General Election 11/3/2026Official election source