M3-Brigade Acquisition VI Corp. (Nasdaq: MBVIU) is a blank-check company sponsored by M3-Brigade Capital Management, a New York-based credit-focused alternative asset manager. The vehicle is the sixth SPAC brought to market under the M3-Brigade franchise and completed its IPO in 2025, targeting opportunities in the financial services and credit sectors. The company filed an 8-K with the Securities and Exchange Commission on October 16, 2025, under accession number 0000950142-25-002818, reflecting a material corporate event during its search period. As of that filing date, the SPAC remained in its business combination search phase. Sign up at SpacDesk for full deal data, filings history, and sponsor analytics on MBVIU and the broader SPAC market.