As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 57.14% |
|---|---|
| Minority shareholders | 38.25% |
| Top 10 holders | 57.14% |
| Total shareholders | 9,319 |
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 | 57.14% | — |
| Minority shareholders | 38.25% | 9,308 |
| Institutions & other holders | 4.61% | — |
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 | 윤성태 | 5,413,011 | 42.76% |
| 2 | 윤인상 | 584,594 | 4.62% |
| 3 | 김경아 | 429,692 | 3.39% |
| 4 | 윤연상 | 381,585 | 3.01% |
| 5 | 윤희상 | 344,506 | 2.72% |
| 6 | 휴노랩 | 74,628 | 0.59% |
| 7 | 윤보영 | 5,000 | 0.04% |
| 8 | 이규연 | 1,365 | 0.01% |
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.