M3-Brigade Acquisition VI Corp. (Nasdaq: MBVI) is a blank-check company sponsored by the M3-Brigade partnership, a collaboration between M3 Partners and Brigade Capital Management focused on the financial services and credit sectors. The vehicle is the sixth in M3-Brigade's SPAC series, reflecting the sponsors' sustained activity in the blank-check market. MBVI completed its initial public offering in 2025 and remains in the target-search phase as of its annual report on Form 10-K filed with the SEC on March 17, 2026, under accession number 0001213900-26-028501. The filing confirms the company has not yet identified or consummated a business combination. Sign up for SpacDesk to access the full filing history, sponsor track record, and deal pipeline data for MBVI and hundreds of other active SPACs.