As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 48.41% |
|---|---|
| Minority shareholders | 38.20% |
| Top 10 holders | 48.40% |
| Total shareholders | 21,915 |
How to read this: the largest shareholder group is the controlling owner and related parties — a big slice means tight control. Minority shareholders are the many small holders. The remainder is mostly institutional and foreign money, which the regulator does not itemise separately.
| Investor category | Holding % | Shareholders |
|---|---|---|
| Largest shareholder & related parties | 48.41% | — |
| Minority shareholders | 38.20% | 21,906 |
| Institutions & other holders | 13.39% | — |
How to read this: a high foreign or institutional share often means the stock is widely researched and more liquid; a high individual share means retail investors hold most of the company. Percentages are of voting units.
| S.No. | Shareholder | Shares | Stake % |
|---|---|---|---|
| 1 | 윤상현 | 10,890,316 | 31.75% |
| 2 | 윤여원 | 2,606,000 | 7.60% |
| 3 | 윤동한 | 1,918,726 | 5.59% |
| 4 | 이현수 | 1,036,540 | 3.02% |
| 5 | 윤동희 | 53,798 | 0.16% |
| 6 | 재단법인 석오문화재단 | 38,000 | 0.11% |
| 7 | 이민석 | 22,000 | 0.06% |
| 8 | 이영석 | 22,000 | 0.06% |
| 9 | 허용철 | 10,960 | 0.03% |
| 10 | 원승찬 | 7,986 | 0.02% |
Trust banks such as Master Trust and Custody Bank appear at the top of most Japanese registers: they hold shares on behalf of many underlying funds rather than owning them outright.