APTOCROM Inc.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 80.49% |
|---|---|
| Minority shareholders | 19.49% |
| Top 10 holders | 80.49% |
| Total shareholders | 10,142 |
Who owns the company
Share of shares outstandingLargest shareholder & related parties 80.49%Minority shareholders 19.49%
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 | 80.49% | — |
| Minority shareholders | 19.49% | 10,138 |
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 | ㈜에이프로젠 | 158,215,065 | 71.66% |
| 2 | 히드라 신기술조합 제39호 | 19,500,000 | 8.83% |
| 3 | ㈜에이프로젠바이오로직스 | — | 0.00% |
| 4 | ㈜지베이스 | 500 | 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.