Seoul Information Service Inc.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 57.39% |
|---|---|
| Minority shareholders | 36.79% |
| Top 10 holders | 57.39% |
| Total shareholders | 8,849 |
Who owns the company
Share of shares outstandingLargest shareholder & related parties 57.39%Minority shareholders 36.79%Institutions & other holders 5.82%
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 | 57.39% | — |
| Minority shareholders | 36.79% | 8,835 |
| Institutions & other holders | 5.82% | — |
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 | 진원홀딩스컴퍼니(주) | 6,449,999 | 18.17% |
| 2 | (주)제이피어반디 | 6,400,000 | 18.03% |
| 3 | 제이원홀딩스(주) | 6,137,432 | 17.29% |
| 4 | 박정호 | 817,642 | 2.30% |
| 5 | 박중양 | 310,416 | 0.87% |
| 6 | 박연경 | 185,209 | 0.52% |
| 7 | 이용명 | 40,800 | 0.11% |
| 8 | 임동훈 | 26,000 | 0.07% |
| 9 | 고인묵 | 10,000 | 0.03% |
| 10 | 박영수 | — | 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.