BOOSTER CO., LTD.
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 37.42% |
|---|---|
| Minority shareholders | 30.14% |
| Top 10 holders | 37.42% |
| Total shareholders | 3,505 |
Who owns the company
Share of shares outstandingLargest shareholder & related parties 37.42%Institutions & other holders 32.44%Minority shareholders 30.14%
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 | 37.42% | — |
| Institutions & other holders | 32.44% | — |
| Minority shareholders | 30.14% | 3,488 |
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 | 유승협 | 1,492,240 | 17.75% |
| 2 | 유동근 | 992,211 | 11.81% |
| 3 | 유승우 | 263,586 | 3.14% |
| 4 | 유승범 | 237,604 | 2.83% |
| 5 | 박인하 | 97,406 | 1.16% |
| 6 | 경일정수 | 36,284 | 0.43% |
| 7 | 박철호 | 10,214 | 0.12% |
| 8 | 대진테크 | 9,213 | 0.11% |
| 9 | 유재현 | 6,164 | 0.07% |
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.