Hercules Capital, Inc. is a business development company that invests in lower middle market companies located in the U.S. The fund focuses on companies operating in the fields of technology, biotechnology, life sciences, and clean-technology. It invests in public and private companies and provides financing in the form of debt investments such as senior secured debt, warrants, mezzanine, and equity capital for acquisition and recapitalization, seed, and early-stage capital requirements.