Major Shareholder's Marginal Stake Increase to 20.56% via Open Market Purchase, Reinforcing Management Stability


  • Shinyoung Securities' largest shareholder group (including Won Kook-hee and related parties) acquired an additional 7,815 common shares through open market purchases on May 22 and June 1, 2026, raising total holdings to 3,380,143 shares (20.56%)
  • The incremental increase of 0.05%p is minor, but Won Jong-seok (relative and company officer) bought 2,672 shares (5/22) and 5,143 shares (6/1), boosting his stake to 8.28%, reinforcing management stability
  • The largest shareholder himself (Won Kook-hee) maintains his 10.42% stake unchanged, ensuring solid control by the founding family
  • For minority shareholders, the low probability of a management dispute suggests a stable investment environment
  • [AI Summary]The small-scale open market purchase by the largest shareholder group indicates a commitment to strengthening control, but the mere 0.05%p change in stake has limited short-term impact on the stock price; it is viewed positively for maintaining a stable governance structure

KOSPI Filing Information


  • Filing: Report on Change in Ownership of Major Shareholders, etc.
  • Company: Shinyoung Securities (001720)
  • Submission: Shinyoung Securities Co., Ltd.
  • Receipt: 06-01-2026
  • Under KRX KOSPI Market Division