Bidens campaign announced the figure on Friday.
Biden also has expressed support for the writers in their walkout.
Biden announced his campaign on April 25, three weeks into the period.
Jeffrey KatzenbergMega
He said that 30 percent were first-time donors.
Katzenberg said that it will happen at some point, but the timing is still up in the air.
Were all mindful of that.
Its working for him.
Its all a work in progress.
We are still in the early days.
