SAMCO INC.
TSE Prime
Shareholding pattern
As reported in the annual securities report, 2025-07-31.
| Foreign institutions | 1.04% |
|---|---|
| Individuals | 47.46% |
| Top 10 holders | 56.82% |
| Total shareholders | 6,557 |
Who owns the company
Share of voting unitsIndividuals & others 47.46%Other corporations 25.02%Financial institutions 24.66%Securities firms 1.67%Foreign institutions 1.04%Foreign individuals 0.15%
How to read this: each slice is a group of investors. Foreign and financial institutions are professional money; individuals are retail shareholders; other corporations are usually business partners holding strategic stakes. A large institutional slice generally means heavier analyst coverage and more trading volume.
Ownership Trend
Holding %, recent yearsForeign institutionsFinancial institutionsIndividualsOther corporationsSecurities firms
How to read this: each line shows how one investor group's share has moved over recent years. A rising foreign or institutional line can signal growing professional interest; a falling one the opposite. Japanese companies disclose ownership once a year, so these are annual points — read the direction over several years rather than a single step.
Ownership detail
| Investor category | Holding % | Shareholders |
|---|---|---|
| Individuals & others | 47.46% | 6,410 |
| Other corporations | 25.02% | 44 |
| Financial institutions | 24.66% | 20 |
| Securities firms | 1.67% | 32 |
| Foreign institutions | 1.04% | 37 |
| Foreign individuals | 0.15% | 14 |
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 | （一財）サムコ科学技術振興財団 | 1,000,000 | 12.45% |
| 2 | 日本マスタートラスト信託銀行（株） | 920,000 | 11.46% |
| 3 | 辻 理 | 863,000 | 10.76% |
| 4 | サムコエンジニアリング（株） | 850,000 | 10.59% |
| 5 | （株）日本カストディ銀行 | 238,000 | 2.97% |
| 6 | 辻 一美 | 201,000 | 2.51% |
| 7 | 野村信託銀行（株） | 153,000 | 1.91% |
| 8 | （株）三菱ＵＦＪ銀行 | 129,000 | 1.61% |
| 9 | 立田 利明 | 103,000 | 1.28% |
| 10 | 三菱ＵＦＪキャピタル（株） | 102,000 | 1.28% |
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.