On December 1, 2021, Commonwealth Fusion Systems LLC closed the transaction. The transaction was led by new investor Tiger Global Management, LLC, and included participation from new investors Bill Gates, John Doerr, Coatue Management, L.L.C., DFJ Growth Management, LLC, Emerson Collective, LLC, FootPrint Coalition Ventures, Alphabet Inc., JIMCO Technology Fund, a fund managed by Jameel Investment Management Company, TIME Ventures, JS Capital, and Senator Investment Group LP as well as retuning investors Breakthrough Energy Ventures, LLC, The Engine, ENI NEXT LLC, Equinor Technology Invest, Fine Structure Ventures, Future Ventures, Host-Plus Pty. Limited, Khosla Ventures, LLC, Lowercase Capital, Moore Strategic Ventures, LLC, Safar Partners LLC, Schooner Capital LLC, Soros Fund Management LLC, Starlight Ventures Management LLC, and Temasek Holdings (Private) Limited and other investors committed to the commercialization of fusion energy to mitigate climate change. The company has raised more than $2,000,000,000 in funding till date. The transaction included participation from 72 investors pursuant to regulation D.