OSTEONIC Co., Ltd.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 19.39% |
|---|---|
| Minority shareholders | 59.40% |
| Top 10 holders | 22.30% |
| Total shareholders | 6,514 |
Who owns the company
Share of shares outstandingMinority shareholders 59.4%Institutions & other holders 21.21%Largest shareholder & related parties 19.39%
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.
Ownership detail
| Investor category | Holding % | Shareholders |
|---|---|---|
| Minority shareholders | 59.40% | 6,500 |
| Institutions & other holders | 21.21% | — |
| Largest shareholder & related parties | 19.39% | — |
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.
Largest shareholders
| S.No. | Shareholder | Shares | Stake % |
|---|---|---|---|
| 1 | 이동원 | 3,135,997 | 15.18% |
| 2 | (주)오스테오닉 | 600,436 | 2.91% |
| 3 | 최석태 | 540,000 | 2.61% |
| 4 | 최현준 | 210,000 | 1.02% |
| 5 | 이준규 | 41,250 | 0.20% |
| 6 | 문창호 | 40,000 | 0.19% |
| 7 | 윤철수 | 36,000 | 0.17% |
| 8 | 오동선 | 4,061 | 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.