ポート株式会社 · PORT INC.
Ownership & governance
Executives 5Directors 5Avg age 42Avg tenure 7.5y
HK
Hirofumi Kasuga
President
Age 38Since 2011-04-17
+9
Executives5
HK
Hirofumi Kasuga
President
Age 38Since 2011-04-17
TT
Taku Tsujimoto
Director of Finance/CFO
Age 51Since 2020-12-31
RY
Ryuzo Yamamoto
Chief Tech/Sci/R&D Officer
Age 41Since 2023-09-30
YA
Yuuta Akashio
Chief Operating Officer
Age 37Since 2022-06-30
AY
Atsuhiko Yoshida
Sales & Marketing
Age 48Since 2016-12-31
Board of directors5
HK
Hirofumi Kasuga
Director/Board Member
Age 38Since 2011-04-17
YM
Yusuke Maruyama
Director/Board Member
Age 40Since 2013-02-28
DT
Daigo Tomioka
Director/Board Member
Age 40Since 2022-05-31
MI
Megumi Ida
Director/Board Member
Age 38Since 2022-06-22
YK
Yumi Kimura
Director/Board Member
Age 50Since 2025-05-31
Shareholders5
| Name | Stake | Shares |
|---|---|---|
| Hirofumi Kasuga | 29.28 % | 4,156,000 |
| PORT INC. | 7.594 % | 1,078,103 |
| Sumitomo Mitsui DS Asset Management Co., Ltd. | 4.989 % | 708,300 |
| Yusuke Maruyama | 2.754 % | 391,000 |
| Satoshi Niimura | 2.113 % | 300,000 |
Catalog · 2026-07-09
Registry officers8
| Name | Role | Since | Shares |
|---|---|---|---|
| 丸山 侑佑 | 取締役副社長 | 2013-03-01 | - |
| 冨岡 大悟 | 取締役(社外)監査等委員 | 2018-11-01 | - |
| 大森 愛久美(伊田 愛久美) | 取締役(社外)監査等委員 | 2022-06-01 | - |
| 春日 博文 | 代表取締役社長 | 2011-04-01 | - |
| 木村 由美 | 取締役(社外)監査等委員 | 2025-06-01 | - |
| 樋口 俊輔 | 監査役(社外) | 2011-02-01 | - |
| 橋本 綾子(成 綾子) | 監査役(社外) | 2018-09-01 | - |
| 磯部 寛 | 常勤監査役(社外) | 2005-05-01 | - |
Registry · as of 2026-03-31
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.