As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 66.69% |
|---|---|
| Minority shareholders | 31.91% |
| Top 10 holders | 66.69% |
| Total shareholders | 16,897 |
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 | 66.69% | — |
| Minority shareholders | 31.91% | 16,891 |
| Institutions & other holders | 1.40% | — |
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 | 서울반도체(주) | 23,777,033 | 51.84% |
| 2 | 서울반도체(주)의 특수관계자 | 6,812,951 | 14.85% |
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.