Keeping track who is behind MIPS is an adventure.. from wikipedia:
February 8, 2013 MIPS Technologies is sold to Imagination Technologies for $100 million
September 22, 2017 MIPS business is sold by Imagination Technologies to Tallwood Venture Capital as Tallwood MIPS Inc. for $65 million
June 2018 MIPS Tech Inc. is acquired by Wave Computing
April 2020 Wave Computing files for bankruptcy
March 2021 Wave Computing emerges from bankruptcy, renames itself as "MIPS" and joins RISC-V International. Development of the MIPS architecture ceases