特殊目的收购公司Eureka Acquisition Corp.最新披露实益所有权声明文件，确认三菱日联证券美国公司(Mizuho Securities USA LLC)持有其10%股份。该文件作为公司首份实益所有权备案，已通过美国证券交易委员会EDGAR系统公开披露。
根据监管备案信息，本次申报依据《1934年证券交易法》第13d条要求提交，标志着三菱日联证券美国公司正式成为Eureka Acquisition Corp.的登记在册大股东。完整法律文件可通过美国证监会电子数据库调阅。
该备案由Eureka Acquisition Corp.于2025年7月15日通过EDGAR系统（电子数据收集、分析及检索系统）提交，备案编号0000812291-25-000016。公司对备案信息承担完全法律责任，相关法律文书构成监管机构认定股东权益的法定依据。
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