OptiCore Inc.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 17.91% |
|---|---|
| Minority shareholders | 30.35% |
| Top 10 holders | 17.91% |
| Total shareholders | 12,494 |
Who owns the company
Share of shares outstandingInstitutions & other holders 51.74%Minority shareholders 30.35%Largest shareholder & related parties 17.91%
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 |
|---|---|---|
| Institutions & other holders | 51.74% | — |
| Minority shareholders | 30.35% | 12,476 |
| Largest shareholder & related parties | 17.91% | — |
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 | 블랙마운틴홀딩스(주) | 8,741,250 | 17.91% |
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.