アトラグループ株式会社 · ARTRA GROUP CORPORATION
Ownership & governance
Executives 5Directors 7Avg age 58Avg tenure 9.4y
HK
Hiroyuki Kuze
Chief Executive Officer
Age 53Profile →
+11
Executives5
Board of directors7
HK
Hiroyuki Kuze→
Chairman
Age 53Since 2021-03-24
TK
Toru Katada→
Director/Board Member
Age 64Since 2009-10-31
AT
Akio Takada
Director/Board Member
Age 77Since 2015-02-28
JI
Jun Iwata
Director/Board Member
Age 56Since 2017-02-28
YO
Yoshifumi Okumura
Director/Board Member
Age 55Since 2009-12-31
KT
Katsunori Tanaka→
Director/Board Member
Age 51Since 2022-03-28
MA
Munehiro Araya
Director/Board Member
——
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| Midori Kai | 21.69 % | 2,231,000 |
| Hiroyuki Kuze | 5.706 % | 587,000 |
| Science KK | 4.861 % | 500,000 |
| Toru Katada | 2.469 % | 254,000 |
| Hideyuki Izu | 1.983 % | 204,000 |
Catalog · 2026-07-09
Registry officers14
| Name | Role | Since | Shares |
|---|---|---|---|
| Ai Ikeda | Chief Administrative Officer | 2018-01-31 | - |
| Hiroyuki Kuze | Chief Executive Officer | — | - |
| Katsutomo Naito | Chief Tech/Sci/R&D Officer | 2018-02-28 | - |
| Toru Katada | Chief Tech/Sci/R&D Officer | 2015-01-31 | - |
| Katsunori Tanaka | Sales & Marketing | 2022-03-28 | - |
| 中村 智広 | 取締役 | 2012-06-01 | - |
| 久世 博之 | 代表取締役会長兼社長兼A-COMS事業部担当兼社長室長 | 2005-01-01 | - |
| 奥村 佳文 | 取締役（監査等委員） | 2010-01-01 | - |
Registry · as of 2026-12-31
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.