Don't Let Angel Investors Bedevil You Original Publication Date: 07/28/2009Forbes.com - There are more than 260,000 angel investors in the U.S. According to the Center for Venture Research at the University of New Hampshire, these helpers invested $19.2 billion in 55,480 companies in 2008, down 26% from the year before. Venture capitalists, by comparison, invested $28.1 billion in 3,630 companies, down just 10% from 2007.