Yd Biopharma (NASDAQ: YDES) is owned by 0.00% institutional shareholders, 3.67% Yd Biopharma insiders, and 96.33% retail investors. J. Douglas Ramsey is the largest individual Yd Biopharma shareholder, owning 2.58M shares representing 3.67% of the company. J. Douglas Ramsey's Yd Biopharma shares are currently valued at $41.02M.