As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 39.60% |
|---|---|
| Minority shareholders | 44.10% |
| Top 10 holders | 39.61% |
| Total shareholders | 5,510 |
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 | 44.10% | 5,499 |
| Largest shareholder & related parties | 39.60% | — |
| Institutions & other holders | 16.30% | — |
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 | 우리바이오㈜ | 16,312,483 | 31.69% |
| 2 | 뉴옵틱스 | 2,639,019 | 5.13% |
| 3 | 윤철주 | 1,246,000 | 2.42% |
| 4 | 정명일 | 100,000 | 0.19% |
| 5 | 차기현 | 91,000 | 0.18% |
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.