ATOM CORPORATION · 株式会社アトム
Ownership & governance
Executives 3Directors 8Avg age 52Avg tenure 1.8y
TU
Takeshi Ueda
President
Age 61Since 2025-05-31Profile →
+10
Executives3
Board of directors8
MT
Masakazu Tsuchida
Director/Board Member
Age 54Since 2022-05-31
SS
Shinichiro Sato→
Director/Board Member
Age 51Since 2024-05-31
SI
Seika Ikeda
Director/Board Member
Age 53Since 2024-05-31
OS
Okura Saira
Director/Board Member
Age 46Since 2024-05-31
MY
Misao Yamazaki
Director/Board Member
Age 44Since 2024-05-31
TU
Takeshi Ueda→
Director/Board Member
Age 61Since 2025-05-31
MS
Masahiro Sanpei→
Director/Board Member
Age 47Since 2025-05-31
SK
Saiko Kumao
Director/Board Member
Age 56Since 2025-05-31
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| COLOWIDE CO.,LTD. | 41.1 % | 79,544,000 |
| MEBUKI FINANCIAL GROUP,INC. | 0.2583 % | 500,000 |
| ATOM CORPORATION | 0.2185 % | 423,000 |
| OOMITSU CO., LTD. | 0.1077 % | 208,444 |
| Hiroko Inoue | 0.1075 % | 208,000 |
Catalog · 2026-07-09
Registry officers11
| Name | Role | Since | Shares |
|---|---|---|---|
| Masahiro Sanpei | Corporate Officer/Principal | 2025-02-28 | - |
| Shinichiro Sato | Investor Relations Contact | 2023-01-31 | - |
| Takeshi Ueda | President | 2025-05-31 | - |
| 三平 昌弘 | 取締役 | 2024-08-01 | - |
| 佐藤 真一郎 | 取締役 | 2024-06-01 | - |
| 土田 正和 | 取締役(監査等委員) | 2009-04-01 | - |
| 大藏 さいら | 取締役(監査等委員) | 2022-11-01 | - |
| 山崎 操 | 取締役(監査等委員) | 2024-06-01 | - |
Registry · as of 2026-07-09
Institutional (13F)
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Fund membership
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Street consensus
Consensus none
Firm rows and rating mix from Yahoo Finance; mean target is Yahoo’s aggregate until OpenFilings derives consensus from broker rows.