As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 42.72% |
|---|---|
| Minority shareholders | 42.80% |
| Top 10 holders | 42.69% |
| Total shareholders | 41,944 |
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 | 42.80% | 41,938 |
| Largest shareholder & related parties | 42.72% | — |
| Institutions & other holders | 14.48% | — |
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 | ㈜효성 | 899,090 | 20.78% |
| 2 | 조현준 | 896,969 | 20.73% |
| 3 | 송광자 | 31,806 | 0.73% |
| 4 | 조인영 | 5,931 | 0.14% |
| 5 | 조인서 | 5,869 | 0.14% |
| 6 | 조재현 | 3,082 | 0.07% |
| 7 | Tina Mikyung Lee | 1,660 | 0.04% |
| 8 | 조재하 | 995 | 0.02% |
| 9 | 조인희 | 995 | 0.02% |
| 10 | 조수인 | 995 | 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.