SCHEDULE 13G/A

GSR III ACQUISITION CORP

Class A ordinary shares, $0.0001 par value per share · CUSIP: G4R103107

Event date: 2025-06-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Westchester Capital Management, LLC

  Shares: 516,137 · Class: 2.2%

• Virtus Investment Advisers, LLC

  Shares: 380,080 · Class: 1.62%

• The Merger Fund

  Shares: 352,805 · Class: 1.51%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.