MCGA SCHEDULE 13G/A: SEC filing

Mizuho Financial Group

Filed with the SEC on Nov 12, 2026 · accession 0001104659-26-125777

MCGA filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 12, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +0.1% by the first close after the filing.

Summary of the filing

Mizuho Financial Group filed an amended Schedule 13G reporting beneficial ownership of 221,419 common shares (1.2%) of Yorkville Acquisition Corp. as of September 30, 2026, held indirectly through its subsidiary Mizuho Securities USA LLC.

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Key details

Common shares beneficially owned$221K

Percent of class beneficially ownedPCT 1

Reporting beneficial owner (filer)Mizuho Financial Group, Inc.

Issuer of the securitiesYorkville Acquisition Corp.

Direct holder of the securities; wholly-owned subsidiary of mizuhoMizuho Securities USA LLC

Subsidiary included in the filing groupMizuho Bank, Ltd.

Subsidiary included in the filing groupMizuho Americas LLC

Managing director, global corporate function coordination department, mizuho financial groupTakahiro Katsura

Senior managing corporate executive, head of global corporate & investment banking, mizuho financial groupShuji Matsuura

How MCGA stock reacted

Close before

$10.41

Nov 11, 2026

First close after

+0.10%

$10.42

5 trading days

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Since filing

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Frequently asked questions

What did MCGA file with the SEC on Nov 12, 2026?

MCGA filed a SCHEDULE 13G/A (SEC filing). Mizuho Financial Group filed an amended Schedule 13G reporting beneficial ownership of 221,419 common shares (1.2%) of Yorkville Acquisition Corp. as of September 30, 2026, held indirectly through its subsidiary Mizuho Securities USA LLC.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did MCGA stock react to this filing?

MCGA closed at $10.41 before the filing and $10.42 on Nov 12, 2026 (+0.10%).

Other MCGA SEC filings

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