| Amount | Donor |
|---|---|
| $3,499,591 | Democratic Party - Democratic National Committee (Washington, DC) |
| $1,007,500 | Democratic Governors Association (Washington, DC) |
| $900,517 | American Federation of State County and Municipal Employees (AFSCME) (Washington, DC) |
| $712,791 | Democratic Party - Virginia (Richmond) |
| $303,689 | Service Employees International Union (Washington, DC) |