Founded in 2005, Rock River Capital is an angel investment group located in Rock Rapids, Iowa. It currently has 15 members and a $535,000 capitalization. Rock River Capital focuses its attention on the area surrounding Rock Rapids, Iowa, with other interests in Minnesota, Montana, Idaho, Oregon, North Dakota and South Dakota. RAIN funds, such as Rock River Capital, share expertise, deals, and experiences between and among the RAIN Source Capital's multi-state network to support growing companies throughout the area. RAIN funds range in size from seven to 61 members, who have pooled anywhere from $500,000 to $2 million. Rock River seeks companies with most or all of the following attributes: experienced management team, target markets greater than $100 million, growth potential, unique competitive advantage, first-of-a-kind new ideas, and an exit strategy within eight years.