As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 42.84% |
|---|---|
| Minority shareholders | 53.42% |
| Top 10 holders | 42.78% |
| Total shareholders | 14,196 |
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 |
|---|---|---|
| Minority shareholders | 53.42% | 14,191 |
| Largest shareholder & related parties | 42.84% | — |
| Institutions & other holders | 3.74% | — |
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 | 서울석유 | 8,965,513 | 40.26% |
| 2 | 김의윤 | 142,452 | 0.64% |
| 3 | 김의진 | 136,043 | 0.61% |
| 4 | 서원희 | 102,054 | 0.46% |
| 5 | 김지수 | 98,490 | 0.44% |
| 6 | 김수남 | 30,346 | 0.14% |
| 7 | 윤사호 | 19,120 | 0.09% |
| 8 | 이윤희 | 16,000 | 0.07% |
| 9 | 안정모 | 11,164 | 0.05% |
| 10 | 이준룡 | 4,180 | 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.