Rigetti Computing, Inc. (Nasdaq: RGTI) is a quantum computing hardware and software company that reached the public markets through a business combination with Supernova Partners Acquisition Company II, a blank-check vehicle sponsored by Supernova Partners LLC that completed its IPO in March 2021, filing its 424B4 final prospectus with the SEC on March 3, 2021. The SPAC targeted the technology sector and announced its merger with Rigetti in October 2021; the transaction closed in March 2022, listing Rigetti's shares on Nasdaq under the RGTI ticker. The company designs superconducting quantum processors and provides cloud-based access to its quantum computing systems. Sign up for SpacDesk to access full filing history, deal metrics, and analytics on RGTI and thousands of other SPAC transactions.