OA Co., Ltd.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 57.65% |
|---|---|
| Minority shareholders | 29.90% |
| Top 10 holders | 57.65% |
| Total shareholders | 4,433 |
Who owns the company
Share of shares outstandingLargest shareholder & related parties 57.65%Minority shareholders 29.9%Institutions & other holders 12.45%
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 |
|---|---|---|
| Largest shareholder & related parties | 57.65% | — |
| Minority shareholders | 29.90% | 4,424 |
| Institutions & other holders | 12.45% | — |
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 | 김상무 | 2,004,706 | 34.22% |
| 2 | 오아주식회사 | 797,917 | 13.62% |
| 3 | 이성민 | 160,000 | 2.73% |
| 4 | 박정민 | 120,000 | 2.05% |
| 5 | 전득영 | 95,000 | 1.62% |
| 6 | 공상석 | 50,000 | 0.85% |
| 7 | 이해성 | 50,000 | 0.85% |
| 8 | 노정환 | 50,000 | 0.85% |
| 9 | 김태경 | 25,000 | 0.43% |
| 10 | 김규리 | 25,000 | 0.43% |
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.