STO Co., Ltd.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 70.99% |
|---|---|
| Minority shareholders | 17.60% |
| Top 10 holders | 70.98% |
| Total shareholders | 1,269 |
Who owns the company
Share of shares outstandingLargest shareholder & related parties 70.99%Minority shareholders 17.6%Institutions & other holders 11.41%
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 | 70.99% | — |
| Minority shareholders | 17.60% | 1,263 |
| Institutions & other holders | 11.41% | — |
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.
Largest shareholders
| S.No. | Shareholder | Shares | Stake % |
|---|---|---|---|
| 1 | 김흥수 | 8,467,429 | 67.73% |
| 2 | 재단법인 유미회 | 406,390 | 3.25% |
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.