BlueRiver Acquisition Corp. (Nasdaq: BLUA) is a blank-check special purpose acquisition company that completed its initial public offering and has been pursuing a merger target in the technology and financial services sectors. The vehicle drew renewed attention with a Schedule 13G beneficial ownership disclosure filed on May 13, 2026, bearing accession number 0001708828-26-000155, signaling that an institutional investor crossed the five-percent reporting threshold in the company's shares. The filing reflects continued institutional interest in BLUA's deal pipeline as the SPAC works toward identifying and completing a qualifying business combination. Sign up for SpacDesk to access the full ownership history, filing timeline, and deal-status analytics for BLUA and thousands of other SPAC vehicles.