As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 52.32% |
|---|---|
| Minority shareholders | 43.62% |
| Top 10 holders | 52.30% |
| Total shareholders | 27,971 |
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 | 52.32% | — |
| Minority shareholders | 43.62% | 27,966 |
| Institutions & other holders | 4.06% | — |
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 | 1,245,166 | 32.84% |
| 2 | 조현준 | 470,211 | 12.40% |
| 3 | 조현상 | 233,663 | 6.16% |
| 4 | 송광자 | 23,445 | 0.62% |
| 5 | 조인영 | 2,920 | 0.08% |
| 6 | 조인서 | 2,924 | 0.08% |
| 7 | 조인희 | 990 | 0.03% |
| 8 | 조수인 | 990 | 0.03% |
| 9 | 조재하 | 990 | 0.03% |
| 10 | 조재현 | 990 | 0.03% |
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.