As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 67.91% |
|---|---|
| Minority shareholders | 25.68% |
| Top 10 holders | 74.90% |
| Total shareholders | 11,049 |
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 | 67.91% | — |
| Minority shareholders | 25.68% | 11,044 |
| Institutions & other holders | 6.41% | — |
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)효성 | 4,382,245 | 35.26% |
| 2 | 조현준 | 4,382,245 | 35.26% |
| 3 | 효성아이티엑스(주) | 519,835 | 4.18% |
| 4 | 남경환 | 25,000 | 0.20% |
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.