ExcelFin SPAC LLC, alongside Grand Fortune Capital (HK) Company Limited and Grand Fortune Capital LLC, filed a Schedule 13D regarding their significant investment in Baird Medical Investment Holdings Ltd (BDMD). The reporting persons collectively acquired their positions in connection with a business combination and related financing transactions. Specifically, ExcelFin SPAC LLC reported beneficial ownership of 4,249,031 Ordinary Shares, representing 11.6% of the class. This total includes 2,620,625 shares from the business combination and 278,406 shares converted from working capital loans. Grand Fortune Capital (HK) Co Ltd, which manages the other entities, reports a broader beneficial ownership of 7,004,016 shares (19.1%), including those held by ExcelFin and 290,000 shares issuable upon conversion of Series A Preferred Shares held by Grand Fortune Capital LLC. The reporting persons acquired these shares for investment purposes and may adjust their holdings based on market conditions or strategic discussions with the issuer's management. The filing follows the completion of the business combination that brought Baird Medical public.