Mizuho Financial Group, Inc. filed a Schedule 13G with the SEC on November 12, 2026, disclosing beneficial ownership of 1,115,811 common shares of Lake Superior Acquisition Corp. as of September 30, 2026.

Key Highlights

  • Beneficial ownership: Mizuho Financial Group, Inc. reported aggregate beneficial ownership of 1,115,811 common shares of Lake Superior Acquisition Corp.
  • Percent of class: The 1,115,811 shares represent 7.1% of the class, according to the filing.
  • Sole voting and dispositive power: Mizuho Financial Group holds sole voting power and sole dispositive power over all 1,115,811 shares, with no shared voting or dispositive power reported.
  • Indirect beneficial ownership: The filing states that Mizuho Financial Group, Inc., Mizuho Bank, Ltd., and Mizuho Americas LLC "may be deemed to be indirect beneficial owners of said equity securities directly held by Mizuho Securities USA LLC," which is described as their wholly-owned subsidiary.
  • Triggering event date: The date of the event requiring this filing is stated as September 30, 2026.
  • Filer classification: Mizuho Financial Group is identified as a parent holding company and is organized in Japan.

Mizuho Financial Group's Schedule 13G Filing on Lake Superior Acquisition Corp.

Mizuho Financial Group, Inc., headquartered at 1-5-5, Otemachi, Chiyoda-ku, Tokyo, Japan, filed a Schedule 13G disclosing a position in Lake Superior Acquisition Corp., whose principal executive offices are listed at 521 Fifth Avenue, 17th Floor, New York, NY 10175. The filing covers common shares with CUSIP number G5354C107. According to the filing, the event triggering the disclosure occurred on September 30, 2026, and the statement was signed by Takahiro Katsura, Managing Director, Global Corporate Function Coordination Department, on November 12, 2026.

The filing reports that all 1,115,811 beneficially owned shares are held with sole voting power and sole dispositive power, with zero shares subject to shared voting or dispositive power. The filing identifies Mizuho Financial Group as a parent holding company (type "FI") and notes that the securities are directly held by Mizuho Securities USA LLC, a wholly-owned subsidiary, with Mizuho Financial Group, Mizuho Bank, Ltd., and Mizuho Americas LLC each potentially deemed indirect beneficial owners as a result.

In the certification included in the filing, Mizuho Financial Group states that "the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities." Items 6, 8, and 9 of the Schedule 13G are each marked "Not Applicable," indicating no ownership on behalf of another person, no group membership, and no group dissolution notice.

What Was Disclosed

Mizuho Financial Group, Inc. disclosed through a Schedule 13G that it beneficially owns 1,115,811 common shares, or 7.1%, of Lake Superior Acquisition Corp. as of September 30, 2026, through its wholly-owned subsidiary Mizuho Securities USA LLC.