POSCO STEELEON Reports Change in Largest Shareholder Ownership (Stock Split and Small Open Market Purchase)


  • Largest shareholder POSCO holds 34,120,000 common shares (56.87%), unchanged from previous (reflecting 10:1 stock split on 2026.04.09)
  • Executive Cheon Si-yeol acquired 2,166 shares via open market on 2026.03.30 (21,660 shares after split, 0.04% stake)
  • Largest shareholder and related parties hold total 34,141,660 shares (56.91%), up 0.04%p from previous 56.87%

KOSPI Filing Information


  • Filing: Report on Change in Ownership of Major Shareholders, etc.
  • Company: POSCO STEELEON (058430)
  • Submission: POSCO STEELEON Co.,Ltd.
  • Receipt: 05-06-2026
  • Under KRX KOSPI Market Division