SCHEDULE 13G: Investment Firms Disclose Significant Passive Stakes in GSR III Acquisition Corp.

Westchester Capital Management, Virtus Investment Advisers, and The Merger Fund have jointly disclosed passive beneficial ownership exceeding 5% in GSR III Acquisition Corp.'s Class A ordinary shares.

Summary

• Westchester Capital Management, LLC, Virtus Investment Advisers, LLC, and The Merger Fund have jointly filed a Schedule 13G, reporting their beneficial ownership in GSR III Acquisition Corp.'s Class A ordinary shares.
• Westchester Capital Management, LLC beneficially owns 1,855,000 shares, representing 7.92% of the Class A ordinary shares outstanding.
• Virtus Investment Advisers, LLC beneficially owns 1,366,019 shares, representing 5.83% of the Class A ordinary shares outstanding.
• The Merger Fund beneficially owns 1,267,994 shares, representing 5.41% of the Class A ordinary shares outstanding.
• The reported percentages are based on 23,422,500 shares outstanding as of March 27, 2025, as reported in the Issuer's Annual Report on Form 10-K.
• The filing indicates that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing the control of the issuer.

Sentiment

Score: 5

Explanation: The document is a factual disclosure of passive beneficial ownership and does not contain information that would inherently lead to a positive or negative sentiment regarding the issuer's performance or outlook.

Positives

• The disclosure of significant institutional ownership by multiple investment firms may signal professional investor interest and confidence in GSR III Acquisition Corp.

Future Outlook

This Schedule 13G filing is a disclosure of current beneficial ownership and does not contain any forward-looking statements or guidance regarding the issuer's future performance or strategic direction.

Management Comments

• "In accordance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Ordinary Shares of GSR III Acquisition Corp., and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filing." (Joint Filing Agreement)
• "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." (Certification by Reporting Persons)

Industry Context

This filing is a routine disclosure required when an institutional investor or group acquires beneficial ownership of more than 5% of a company's voting equity. For a Special Purpose Acquisition Company (SPAC) like GSR III Acquisition Corp., such disclosures indicate the level of institutional interest in its shares, often related to its merger arbitrage potential or the anticipated business combination.

Stakeholder Impact

• Shareholders: The disclosure provides transparency regarding significant institutional holders, which can influence investor perception and potentially liquidity.

Key Dates

Keywords

GSR III Acquisition Corp., Schedule 13G, Beneficial Ownership, Westchester Capital Management, Virtus Investment Advisers, The Merger Fund, Class A ordinary shares, Investment Adviser, Investment Company, Passive Investment, SEC Filing, Equity Stake