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MergersSEC EDGAR SCHEDULE 13GFiled 29 h ago

Quantumsphere Acquisition Corp: MIZUHO FINANCIAL GROUP INC amends Schedule 13G stake filing

Open the sourceReported by SEC EDGAR SCHEDULE 13G, sec.gov, 12 November 2026, by SEC EDGAR SCHEDULE 13G

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Mizuho Financial Group Inc. amended its Schedule 13G beneficial ownership filing for Quantumsphere Acquisition Corp, according to SEC accession 0001104659-26-125765. The amendment updates the Japanese bank's reported stake in the special purpose acquisition company, though the filing notice did not disclose revised share counts or percentage figures. Schedule 13G amendments are typically filed when a passive investor's position moves materially, making the update a signal of possible changes in Mizuho's holding. Investors will watch for the full filing details to see whether Mizuho increased, trimmed or maintained its stake.

Muhabbit's AI wrote this summary in its own words from SEC EDGAR SCHEDULE 13G's report. It can get details wrong, so check the source.

Named in this story

MIZUHO FINANCIAL GROUP INC, Quantumsphere Acquisition Corp