| Conrad N. Hilton Foundation |
$1,200,000,000 |
Barron Hilton |
| Peddie School |
$100,000,000 |
Walter Annenberg II |
| Annenberg Institute for School Reform |
$50,000,000 |
Walter Annenberg II |
| Priorities USA Action |
$5,000,000 |
Herbert Sandler |
| Citizens for a Strong Senate |
$4,272,965 |
Herbert Sandler |
| Yes on 1240: Washington Coalition for Public Charter Schools |
$3,150,000 |
Bill Gates, Melinda French Gates |
| Moveon.Org Voter Fund |
$2,505,014 |
Herbert Sandler |
| Hillary Victory Fund |
$1,060,200 |
Herbert Sandler |
| NextGen Climate Action |
$1,000,000 |
Herbert Sandler |
| Senate Majority PAC |
$1,000,000 |
Herbert Sandler |
| RNC Republican National State Elections Committee |
$504,375 |
Peter G Peterson, Walter Annenberg II, Bill Daniels |
| Prostate Cancer Foundation |
$500,000 |
Gordon Earle Moore |
| House Majority PAC |
$400,000 |
Herbert Sandler |
| Democratic National Committee |
$336,650 |
Bill Gates, Melinda French Gates, Warren Buffett, Barron Hilton, Peter G Peterson, Herbert Sandler, Susan Buffett, Virginia Stowers |
| Doug Burgum |
$320,396 |
Bill Gates |
| Democratic Congressional Campaign Committee |
$271,750 |
Bill Gates, Melinda French Gates, Barron Hilton, Herbert Sandler, Susan Buffett |
| Democratic Senatorial Campaign Committee |
$222,150 |
Bill Gates, Barron Hilton, Herbert Sandler, Susan Buffett, Virginia Stowers |
| National Republican Senatorial Committee |
$206,950 |
Bill Gates, Gordon Earle Moore, Barron Hilton, Peter G Peterson, William R Hewlett, Walter Annenberg II, James LeVoy Sorenson |
| Citizens for Working Courts - Enterprise Washington |
$200,000 |
Bill Gates |
| Democratic Congressional Campaign Committee |
$169,400 |
Barron Hilton, Herbert Sandler |