T&R Biofab Co., Ltd
KOSDAQ
Shareholding pattern
As reported to FSS/DART, 2025-12-31.
| Largest shareholder group | 15.08% |
|---|---|
| Minority shareholders | 75.48% |
| Top 10 holders | 15.08% |
| Total shareholders | 19,527 |
Who owns the company
Share of shares outstandingMinority shareholders 75.48%Largest shareholder & related parties 15.08%Institutions & other holders 9.44%
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 | 75.48% | 19,517 |
| Largest shareholder & related parties | 15.08% | — |
| Institutions & other holders | 9.44% | — |
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 | 윤원수 | 5,088,330 | 10.70% |
| 2 | 심진형 | 1,680,900 | 3.53% |
| 3 | 진송완 | 294,936 | 0.62% |
| 4 | 정승교 | 108,096 | 0.23% |
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.