As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 65.85% |
|---|---|
| Minority shareholders | 29.56% |
| Top 10 holders | 65.85% |
| Total shareholders | 32,060 |
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 | 65.85% | — |
| Minority shareholders | 29.56% | 32,051 |
| Institutions & other holders | 4.59% | — |
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 | (주)진우엔지니어링 | 33,916,724 | 58.63% |
| 2 | 장상욱 | 3,358,957 | 5.81% |
| 3 | 김재희 | 740,000 | 1.28% |
| 4 | 장재원 | 40,600 | 0.07% |
| 5 | 장윤정 | 35,716 | 0.06% |
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.