Heyholder

Institution

Asset manager

Based on DART large-holding reports · Oct 27

Reported holdings

2 stocks

Total value (est.)

about KRW 11.8 billion (est.)

Share of value

Stocks currently reported at 5% or more

  • MediaZen, Inc.62.8%
  • DUOBACK CO., LTD.37.2%

Values are estimates; shares may not add up to 100% due to rounding.

Holdings

By value ↓
Holdings
MediaZen, Inc.40.83%about KRW 7.4 billion (est.) · 62.8%+1.97%pOct 16
DUOBACK CO., LTD.22.68%about KRW 4.4 billion (est.) · 37.2%+9.85%pJul 14

Recent filings

  • Oct 16MediaZen, Inc. · Increased to 40.83%Filing ↗
  • Jul 14DUOBACK CO., LTD. · Increased to 22.68%Filing ↗
  • Jun 18DUOBACK CO., LTD. · Increased to 12.83%Filing ↗
  • May 19DUOBACK CO., LTD. · Decreased to 11.37%Filing ↗
  • May 13MediaZen, Inc. · Decreased to 38.86%Filing ↗
  • Oct 30, 2025MediaZen, Inc. · Increased to 40.88%Filing ↗
  • Aug 21, 2025DUOBACK CO., LTD. · Increased to 14.09%Filing ↗
  • Jul 28, 2025MediaZen, Inc. · Increased to 39.85%Filing ↗
  • Jul 7, 2025DUOBACK CO., LTD. · Increased to 12.61%Filing ↗
  • May 28, 2025DUOBACK CO., LTD. · Increased to 12.53%Filing ↗

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