BlueRiver Acquisition Corp., trading under the ticker BLUA, is a blank-check special purpose acquisition company that has drawn renewed institutional attention following the filing of a Schedule 13G/A with the SEC on May 21, 2026, under accession number 0001708828-26-000233. The amended beneficial ownership report signals an update to a significant institutional stakeholder position in the company's publicly traded securities. BlueRiver targets acquisition opportunities in the technology and financial services sectors and remains in its search phase as of the filing date. As SPAC activity continues to evolve, ownership disclosures like this one offer useful signals for researchers monitoring deal flow and shareholder composition. Sign up for SpacDesk to access the full ownership history, filing timeline, and real-time alerts for BLUA and hundreds of other active SPACs.