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BIII SCHEDULE 13G: SEC filing

TD Securities (USA) LLC and affiliated TD entities

Filed with the SEC on · accession 0000803012-26-000052

BIII filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 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

TD Securities (USA) LLC and affiliated TD entities filed a Schedule 13G reporting beneficial ownership of 1,171,734 Class A ordinary shares, or 6.8%, of Black Spade Acquisition III Co. The filing is a passive investment disclosure under Rule 13d-1(b).

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Key details

Class A ordinary shares beneficially owned by TD Securities (USA) LLC$1.2M
Percentage of class beneficially owned$7
Reporting person and direct beneficial owner of 1,171,734 sharesTD Securities (USA) LLC
Reporting person; sole owner of td securities (usa) llcToronto Dominion Holdings USA Inc
Reporting person; sole owner of toronto dominion holdings usa incTD Group US Holdings LLC
Reporting person; sole owner of td group us holdings llcThe Toronto-Dominion Bank
Issuer of the class a ordinary sharesBlack Spade Acquisition III Co
Executive vice president & chief operating officerChristina Petrou
Us chief financial officerAndre Ramos

How BIII stock reacted

Close before

$10.14

Nov 12, 2026

First close after

+0.10%

$10.15

5 trading days

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Since filing

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Frequently asked questions

What did BIII file with the SEC on Nov 13, 2026?

BIII filed a SCHEDULE 13G (SEC filing). TD Securities (USA) LLC and affiliated TD entities filed a Schedule 13G reporting beneficial ownership of 1,171,734 Class A ordinary shares, or 6.8%, of Black Spade Acquisition III Co. The filing is a passive investment disclosure under Rule 13d-1(b).

How do I read a SCHEDULE 13G?

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 (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did BIII stock react to this filing?

BIII closed at $10.14 before the filing and $10.15 on Nov 13, 2026 (+0.10%).

Other BIII SEC filings

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