MITSUBISHI STEEL MFG. CO., LTD. · 三菱製鋼株式会社
Ownership & governance
Executives 5Directors 6Avg age 63Avg tenure 5.3y
MS
Motoyuki Sato
Chairman
Age 71Since 2022-05-31
+10
Executives5
KA
Keisuke Aoike
Director of Finance/CFO
Age 58Since 2025-03-31
AY
Atsushi Yamaguchi
President
Age 61Since 2022-05-31
OJ
Ogura Junji
Chief Tech/Sci/R&D Officer
——
AY
Akira Yamao
Corporate Officer/Principal
Age 64Since 2010-05-31
TK
Takuya Kurauchi
Investor Relations Contact
——
Board of directors6
MS
Motoyuki Sato
Chairman
Age 71Since 2022-05-31
AY
Akira Yamao
Director/Board Member
Age 64Since 2017-05-31
AY
Atsushi Yamaguchi
Director/Board Member
Age 61Since 2019-05-31
MT
Minako Takeuchi
Director/Board Member
Age 65Since 2022-05-31
KA
Keisuke Aoike
Director/Board Member
Age 58Since 2024-05-31
AH
Atsushi Hagita
Director/Board Member
Age 67Since 2025-05-31
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| MITSUBISHI HEAVY INDUSTRIES, LTD. | 6.365 % | 1,000,000 |
| Meiji Yasuda Life Insurance Co. | 4.551 % | 715,000 |
| Mitsubishi Steel Mfg Business Association | 3.036 % | 477,000 |
| Mitsubishi Steel Mfg Board Incentive Plan | 2.005 % | 315,000 |
| MITSUBISHI STEEL MFG. CO., LTD. | 1.739 % | 273,200 |
Catalog · 2026-07-09
Registry officers12
| Name | Role | Since | Shares |
|---|---|---|---|
| 青 池 慶 介 | 代表取締役常務執行役員 社長補佐、CFO サステナビリティ担当 システム部担当 | 2022-06-01 | - |
| 三 尾 良 孝(注)２ | 常勤監査役 | 2017-06-01 | - |
| 中 川 徹 也(注)２ | 監査役 | 2004-06-01 | - |
| 中 森 義 巳 | 常勤監査役 | 2021-06-01 | - |
| 佐 藤 基 行 | 取締役会長 | 2006-06-01 | - |
| 山 口 淳 | 代表取締役社長執行役員 | 2019-06-01 | - |
| 山 尾 明 | 取締役常務執行役員 営業本部長部品事業部担当 | 2017-06-01 | - |
| 松 田 結 花(注)２ | 監査役 | 2014-07-01 | - |
Registry · as of 2026-03-31
Institutional (13F)
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Street consensus
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Firm rows and rating mix from Yahoo Finance; mean target is Yahoo’s aggregate until OpenFilings derives consensus from broker rows.