As reported in the annual securities report, 2026-03-31.
| Foreign institutions | 33.38% |
|---|---|
| Individuals | 33.86% |
| Top 10 holders | 49.40% |
| Total shareholders | 11,268 |
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 | 33.86% | 10,859 |
| Foreign institutions | 33.38% | 147 |
| Financial institutions | 16.98% | 13 |
| Other corporations | 11.31% | 158 |
| Securities firms | 4.40% | 33 |
| Foreign individuals | 0.08% | 58 |
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 | アイリスオーヤマ株式会社 | 5,261,000 | 10.10% |
| 2 | 日本マスタートラスト信託銀行株式会社(信託口) | 4,748,000 | 9.10% |
| 3 | CEPLUX- THE INDEPENDENT UCITS PLATFORM 2(常任代理人 シティバンク、エヌ・エイ東京支店) | 3,963,000 | 7.60% |
| 4 | 田中将雄 | 2,730,000 | 5.20% |
| 5 | 株式会社日本カストディ銀行(信託口) | 2,317,000 | 4.40% |
| 6 | THE CHASE MANHATTAN BANK,N.A. LONDONSECS LENDING OMNIBUS ACCOUNT(常任代理人 株式会社みずほ銀行決済営業部) | 1,692,000 | 3.20% |
| 7 | 田中利子 | 1,523,000 | 2.90% |
| 8 | 田中頼成 | 1,290,000 | 2.40% |
| 9 | JPモルガン証券株式会社 | 1,219,000 | 2.30% |
| 10 | 田中頼広 | 1,177,000 | 2.20% |
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.