The list includes a number of Chicagoans.
They are called 'bundlers': wealthy, well-connected donors who raise money from friends and business associates.
Penny Pritzker is among those who have raised $100,000 to $200,000. Her family founded the Hyatt hotels and she was the national finance chairman for Obama's 2008 campaign.
Also in that category is Laura Ricketts, one of the co-owners of the Chicago Cubs.
Those who have raised $200,000 to $500,000 include John Rogers, Jr. and Mellody Hobson from Ariel Investments.
