Samsung SDI: Major Shareholder Holdings Slight Change (19.82%)

As of May 11, 2026, major shareholders (including Samsung Electronics) hold a total of 16,293,972 shares (19.82% ownership), an increase of 7,351 shares from the previous report.
Samsung Electronics holds 15,663,968 common shares (19.44%), unchanged.
Samsung Life Insurance (special account) net purchased 7,354 common shares in April 2026 through open market trading, bringing its total to 57,137 shares (0.07%).
Preferred shares decreased by 3 shares to 382 shares (0.02%).
Other major shareholders (Samsung Cultural Foundation, Samsung Welfare Foundation, etc.) holdings unchanged.