A-Tech Solution CO., LTD.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 33.72% |
|---|---|
| Minority shareholders | 50.36% |
| Top 10 holders | 33.72% |
| Total shareholders | 15,766 |
Who owns the company
Share of shares outstandingMinority shareholders 50.36%Largest shareholder & related parties 33.72%Institutions & other holders 15.92%
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 | 50.36% | 15,762 |
| Largest shareholder & related parties | 33.72% | — |
| Institutions & other holders | 15.92% | — |
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 | 유준호 | 3,293,871 | 32.94% |
| 2 | 에이지광학(주) | 75,150 | 0.75% |
| 3 | 이치우 | 3,350 | 0.03% |
| 4 | 유영목 | — | 0.00% |
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.