Arrowhead Research Corporation is a publicly-traded nanotechnology company commercializing new technologies in the areas of life sciences, electronics, and energy.

Arrowhead is building value for shareholders through the progress of its majority-owned subsidiaries founded on nanotechnologies originally developed at universities. The company works closely with universities to source early-stage deals and to generate intellectual property covering promising new nanotechnologies. At present, Arrowhead has four other subsidiaries commercializing nanotechnology products and applications: Insert Therapeutics (drug delivery of anti-cancer therapeutics), Calando Pharmaceuticals (drug delivery of RNAi therapeutics), Unidym (carbon-based electronics) and Aonex Technologies (compound semiconductor materials).