SCHEDULE: Mizuho Financial Group Reports 8.5% Stake in YHN Acquisition I

Mizuho Financial Group, Inc. has reported an 8.5% beneficial ownership stake in YHN Acquisition I Limited, holding 660,001 common shares as of June 30, 2025.

Summary

• Mizuho Financial Group, Inc. (Mizuho) reported beneficial ownership of 660,001 common shares of YHN Acquisition I Limited.
• This represents 8.5% of the class of securities.
• Mizuho holds sole voting and dispositive power over all 660,001 shares.
• The shares are indirectly held through Mizuho Securities USA LLC, a wholly-owned subsidiary, with Mizuho Bank, Ltd. and Mizuho Americas LLC also deemed indirect beneficial owners.
• Mizuho certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Sentiment

Score: 5

Explanation: The filing is a routine beneficial ownership disclosure (Schedule 13G Amendment), providing factual information about a significant stake. It contains no positive or negative operational or financial news about the issuer, YHN Acquisition I Limited, that would shift sentiment.

Positives

• A major financial institution, Mizuho Financial Group, maintains a significant 8.5% stake in YHN Acquisition I Limited, indicating continued institutional interest.
• The filing confirms the shares are held in the ordinary course of business, not for control purposes, which can signal stability.

Risks

• The filing does not detail specific risks related to YHN Acquisition I Limited's operations or financial health. It is a disclosure of ownership.

Future Outlook

This filing is a disclosure of current beneficial ownership and does not contain forward-looking statements or guidance regarding YHN Acquisition I Limited's future operations or financial performance.

Management Comments

• 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 their wholly-owned subsidiary.
• By signing below I certify that, to the best of my knowledge and belief, 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 and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

Industry Context

Mizuho Financial Group is one of Japan's largest financial institutions, operating globally across banking, securities, trust banking, and asset management. Its beneficial ownership in YHN Acquisition I Limited, likely a Special Purpose Acquisition Company (SPAC) given its name, indicates institutional investment in entities designed for mergers or acquisitions. This is a common investment strategy for large financial groups seeking exposure to potential future business combinations.

Stakeholder Impact

• Shareholders: Provides transparency regarding a significant institutional shareholder's stake, potentially offering confidence through institutional backing.
• Employees, Customers, Suppliers, Creditors: No direct impact on these stakeholders is indicated by this beneficial ownership disclosure.

Key Dates

Keywords

Mizuho Financial Group, YHN Acquisition I Limited, Beneficial Ownership, Schedule 13G, Common Shares, Institutional Investor, Financial Services, Investment