As reported in the annual securities report, 2026-03-31.
| Foreign institutions | 21.58% |
|---|---|
| Individuals | 19.55% |
| Top 10 holders | 59.52% |
| Total shareholders | 6,616 |
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 |
|---|---|---|
| Other corporations | 38.18% | 110 |
| Foreign institutions | 21.58% | 116 |
| Individuals & others | 19.55% | 6,321 |
| Financial institutions | 18.33% | 13 |
| Securities firms | 2.29% | 34 |
| Foreign individuals | 0.07% | 22 |
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 | 東京電力パワーグリッド株式会社 | 5,671,000 | 34.97% |
| 2 | 日本マスタートラスト信託銀行株式会社(信託口) | 1,455,000 | 8.97% |
| 3 | 株式会社日本カストディ銀行(信託口) | 839,000 | 5.17% |
| 4 | BNP PARIBAS LUXEMBOURG/2S/JASDEC/FIM/LUXEMBOURG FUNDS/UCITS ASSETS(常任代理人 香港上海銀行東京支店) | 390,000 | 2.40% |
| 5 | 東光高岳従業員持株会 | 258,000 | 1.59% |
| 6 | DFA INTL SMALL CAP VALUE PORTFOLIO(常任代理人 シティバンク、エヌ・エイ東京支店) | 221,000 | 1.36% |
| 7 | BNY GCM CLIENT ACCOUNT JPRD AC ISG (FE-AC)(常任代理人 株式会社三菱UFJ銀行) | 212,000 | 1.31% |
| 8 | 大樹生命保険株式会社 | 209,000 | 1.29% |
| 9 | 明治安田生命保険相互会社 | 200,000 | 1.23% |
| 10 | 前尾 吉信 | 200,000 | 1.23% |
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.