| 1 | Uihlein, Richard E. | Lake Bluff | Uline | 221 | $111,209,901 |
| 2 | Restoration PAC | Downers Grove | — | 61 | $39,161,549 |
| 3 | Eychaner, Fred | Chicago | Newsweb Corporation | 123 | $31,547,000 |
| 4 | Jump Crypto | Chicago | — | 3 | $25,000,000 |
| 5 | National Association of Realto, . | Chicago | Corporation | 29 | $20,054,012 |
| 6 | Duchossois, Craig | Chicago | the Duchossois Group | 141 | $19,251,481 |
| 7 | Griffin, Kenneth C. | Chicago | Citadel Asset Management | 4 | $17,000,000 |
| 8 | Uihlein, Richard | Lake Forest | Uline | 180 | $16,408,445 |
| 9 | Ryan, Shirley W. | Chicago | Pathways.Org | 17 | $15,316,100 |
| 10 | Pritzker, Jay | Chicago | State of Illinois | 104 | $13,432,602 |
| 11 | Ryan, Patrick G. | Chicago | Ryan Specialty | 21 | $13,129,800 |
| 12 | Rapid Resist Action | Chicago | — | 33 | $12,860,000 |
| 13 | Uihlein, Elizabeth | Lake Forest | Uline | 65 | $12,537,900 |
| 14 | Griffin, Kenneth | Chicago | Citadel LLC | 22 | $8,306,448 |
| 15 | Tullman, Glen | Chicago | Transcarent | 210 | $6,052,239 |
| 16 | Sacks, Michael | Chicago | Gcm Grosvenor | 49 | $4,992,800 |
| 17 | Uihlein, Elizabeth | Lake Bluff | Uline | 57 | $4,215,100 |
| 18 | White, Miles D. | Lake Forest | None | 6 | $4,022,930 |
| 19 | Restoration of America | Downers Grove | — | 6 | $3,878,411 |
| 20 | Buntrock, Dean L. | Oakbrook Terrace | Retired | 21 | $3,620,550 |
| 21 | National Association of Realtors | Chicago | — | 5 | $3,424,661 |
| 22 | Colburn, Richard W. | Northbrook | Payroll & Insurance Group INC | 27 | $2,781,600 |
| 23 | Pritzker, Jb | Chicago | State of Illinois | 7 | $2,709,294 |
| 24 | Hovde, Steven | Inverness | Hovde Group | 3 | $2,657,400 |
| 25 | Wilson, Donald | Chicago | Drw | 62 | $2,650,900 |
| 26 | Bluhm, Neil | Chicago | Walton Street Capital | 27 | $2,517,815 |
| 27 | Dem Turnout 2024 | Evanston | — | 1 | $2,500,000 |
| 28 | Reyes, David K. | Rosemont | Reyes Holdings | 19 | $2,148,400 |
| 29 | Fair Courts America | Downers Grove | — | 6 | $2,071,750 |
| 30 | Antonio J Gracias Revocable Trust | Chicago | — | 1 | $2,000,000 |
| 31 | Gracias, Antonio J | Chicago | Antonio J. Gracias Revocable Trust | 1 | $2,000,000 |
| 32 | Taylor, Dale | Chicago | Abelsontaylor | 382 | $1,625,612 |
| 33 | Laborers' Political League Great Lakes Region | Chicago | — | 14 | $1,600,000 |
| 34 | Bergman, Jay D. | Hinsdale | Retired | 23 | $1,545,500 |
| 35 | Pritzker, Jennifer Natalya | Chicago | Tawani Enterprises INC | 118 | $1,450,073 |
| 36 | Hobson, Mellody | Chicago | Ariel Investments | 67 | $1,362,660 |
| 37 | D'Escoto, Rodrigo | Chicago | Reflection Window + Wall | 34 | $1,312,600 |
| 38 | Fitzpatrick, Neil | Kenilworth | Headlands Organization | 11 | $1,123,200 |
| 39 | Howery, Kenneth | Chicago | Self-Employed | 5 | $1,100,000 |
| 40 | McKellar, Marie | Evanston | Not Employed | 433 | $1,092,950 |
| 41 | Pritzker, M. Kathyrn | Chicago | N/a | 7 | $1,066,111 |
| 42 | Davis, Anthony B. | Chicago | Linden Capital Partners | 5 | $1,041,800 |
| 43 | Hebeisen, Keith | Chicago | Clifford Law Offices | 180 | $1,003,960 |
| 44 | National Association of Realtors Congressional Fund | Chicago | — | 1 | $1,000,000 |
| 45 | National Association of Realtors PAC | Chicago | — | 1 | $1,000,000 |
| 46 | Pacific Environmental Coalition | Chicago | — | 1 | $1,000,000 |
| 47 | Ryan, Shirley Ann | Winnetka | Homemaker | 7 | $988,600 |
| 48 | Institute for Responsive Government Action, INC. | Chicago | — | 3 | $975,000 |
| 49 | Illinois Laborers' Legislative Committee | Springfield | — | 9 | $959,160 |
| 50 | Hochschild, Roger | Winnetka | Discover Financial Services | 12 | $956,000 |