Rock River Capital is an angel investment group founded in 2005 and located in Rock Rapids, Iowa, with a membership of approximately 15 investors and a capitalization of $535,000. The group focuses its investment activity on the area surrounding Rock Rapids and the broader Iowa and surrounding state region, targeting early-stage companies seeking seed-level capital. The firm operates as a community-oriented angel investing vehicle, providing modest initial funding to local and regional entrepreneurs, particularly in sectors relevant to the rural Iowa economy.