As reported in the annual securities report, 2026-03-31.
| Foreign institutions | 13.27% |
|---|---|
| Individuals | 42.90% |
| Top 10 holders | 46.94% |
| Total shareholders | 10,033 |
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.
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.
| Investor category | Holding % | Shareholders |
|---|---|---|
| Individuals & others | 42.90% | 9,668 |
| Other corporations | 28.53% | 208 |
| Foreign institutions | 13.27% | 88 |
| Financial institutions | 12.15% | 16 |
| Securities firms | 3.13% | 30 |
| Foreign individuals | 0.02% | 23 |
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.
| S.No. | Shareholder | Shares | Stake % |
|---|---|---|---|
| 1 | 東京電力ホールディングス株式会社 | 6,001,000 | 18.11% |
| 2 | 日本マスタートラスト信託銀行株式会社(信託口) | 2,581,000 | 7.79% |
| 3 | 光通信KK投資事業有限責任組合 | 2,033,000 | 6.14% |
| 4 | 東京エネシス社員持株会 | 991,000 | 2.99% |
| 5 | 太平電業株式会社 | 822,000 | 2.48% |
| 6 | 東京産業株式会社 | 794,000 | 2.40% |
| 7 | NORTHERN TRUST CO.(AVFC) RE IEDP AIF CLIENTS NON TREATY ACCOUNT(常任代理人 香港上海銀行東京支店) | 668,000 | 2.02% |
| 8 | 新日本空調株式会社 | 600,000 | 1.81% |
| 9 | MURAKAMI TAKATERU(常任代理人 三田証券株式会社) | 574,000 | 1.73% |
| 10 | BNY GCM CLIENT ACCOUNT JPRD AC ISG (FE-AC)(常任代理人 株式会社三菱UFJ銀行) | 487,000 | 1.47% |
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.