"His new status as presumptive nominee will help his fundraising significantly," Link said.
Hatch's campaign filing shows that Des Moines-area business leaders who have donated heavily to Democrats in the past, such as Fred Hubbell and Bill Knapp, made contributions. The largest single donors were Cedar Rapids businessman Roy Karon and Omaha philanthropist Richard Holland, who gave $25,000 and $20,000, respectively. Hatch relatives, including a brother, a sister, a cousin and an aunt, gave a combined $20,500.
Details on Branstad's individual donors are expected to be made public Tuesday.