Activist Profiles

10 activists with 2+ positions
Date Target Ticker Stake Event Demands Source
2026-05-21 KPP GROUP HOLDINGS CO., LTD. 9274 5.04% initial_5pct
2026-05-18 AIR WATER INC. 4088 5.86% initial_5pct
2026-05-12 譌・譛ャ陬ス邏呎ェ蠑丈シ夂、セ 3863 5.11% initial_5pct
2026-05-01 2972 2972 25.31% change
2026-04-06 EXEDY Corporation 7278 10.2% change
2026-04-02 Shinko Shoji Co.,Ltd. 8141 15.66% change
2026-03-24 Keikyu Corporation 9006 8.12% change
2026-02-26 DeNA Co., Ltd 2432 7.11% change
2026-02-26 HEIWA REAL ESTATE CO.,LTD. 8803 8.33% change
2025-12-25 7940 7940 29.38% change
2025-08-18 MITSUI MATSUSHIMA HOLDINGS CO.,LTD. 1518 13.25% change
2025-01-10 �シケ�シ」�シー繝帙�シ繝ォ繝�繧」繝ウ繧ー繧ケ�シ医げ繝ュ繝シ繝舌Ν�シ峨Μ繝溘ユ繝�繝� 9257 6.13% change
2024-03-04 TERAOKA SEISAKUSHO CO.,LTD. 4987 9.31% change
2024-01-04 8140 8140 15.04% change
2023-11-21 DAIHO CORPORATION 1822 8.47% change
2023-08-29 ARCLAND SERVICE HOLDINGS CO.,LTD. 3085 10.33% change
2023-08-04 6770 6770 6.35% change
2026-04-28 SUMIKEN MITSUI ROAD CO.,LTD. 1776 exit
2026-03-05 Takashimaya Company,Limited 8233 3.34% change
2026-03-04 4917 4917 exit
2026-02-03 6890 6890 4.41% change
2025-11-25 NITTOKU CO., LTD. 6145 4.4% change
2025-11-20 Stanley Electric Co.,Ltd. 6923 4.99% change
2025-11-19 MegaChips Corporation 6875 4.9% change
2025-09-26 1821 1821 exit
2025-09-22 IRISO ELECTRONICS CO., LTD. 6908 3.87% change
2025-08-25 Nihon Tokushu Toryo Co., Ltd. 4619 3.97% change
2025-06-23 Pacific Metals Co., Ltd. 5541 exit
2025-05-28 TSUKISHIMA HOLDINGS CO., LTD. 6332 4.1% change
2025-05-23 AICHI STEEL CORPORATION 5482 0.56% change
2025-04-14 PIOLAX,INC. 5988 exit
2025-04-08 Oji Holdings Corporation 3861 4.91% change
2025-02-20 FURUKAWA CO.,LTD. 5715 3.94% change
2024-11-26 KAKEN PHARMACEUTIAL CO., LTD. 4521 4.95% change
2024-07-01 Aozora Bank, Ltd. 8304 4.72% change
2024-04-23 4185 4185 exit
2023-12-08 繧ウ繧ケ繝「繧ィ繝阪Ν繧ョ繝シ繝帙�シ繝ォ繝�繧」繝ウ繧ー繧ケ譬ェ蠑丈シ夂、セ 5021 0.32% change
2023-12-05 TOA CORPORATION 1885 4.84% change
2023-08-15 CHUGOKU MARINE PAINTS,LTD. 4617 4.71% change
Date Target Ticker Stake Event Demands Source
2026-05-19 KANSAI PAINT CO.,LTD. 4613 7.21% change
2026-05-18 DOWA HOLDINGS CO.,LTD. 5714 6.98% change
2026-04-22 NIKON CORPORATION 7731 7.08% change
2026-04-16 NIPPON KAYAKU CO.,LTD. 4272 5.76% change
2026-04-16 MITSUBISHI MATERIALS CORPORATION 5711 6.81% change
2026-04-09 TADANO LTD. 6395 6.82% change
2026-04-08 SAWAI GROUP HOLDINGS Co., Ltd. 4887 5.82% change
2026-03-24 SUZUKEN CO.,LTD. 9987 8.25% change
2026-02-27 SUMITOMO HEAVY INDUSTRIES,LTD. 6302 9.23% change
2026-01-27 DAITO TRUST CONSTRUCTION CO.,LTD. 1878 9.22% change
2025-12-12 5110 5110 6.66% change
2025-12-01 Kyoto Financial Group, Inc. 5844 6.4% change
2025-11-04 Alfresa Holdings Corporation 2784 12.11% change
2025-10-14 Yamaha Motor Co., Ltd. 7272 8.79% change
2025-10-08 SANTEN PHARMACEUTICAL CO.,LTD. 4536 9.23% change
2025-10-02 TOSOH CORPORATION 4042 5.98% change
2025-07-24 Sumitomo Osaka Cement Co., Ltd. 5232 19.43% change
2025-03-21 Iida Group Holdings Co., Ltd. 3291 9.63% change
2025-03-21 DAICEL CORPORATION 4202 7.88% change
2025-03-21 DENTSU GROUP INC. 4324 9.49% change
2025-03-21 Maruichi Steel Pipe Co., Ltd. 5463 5.31% change
2025-03-21 MEDIPAL HOLDINGS CORPORATION 7459 11.71% change
2024-10-30 NHK SPRING CO., LTD. 5991 5.0% change
2025-07-15 EXEO Group, Inc. 1951 4.94% change
2025-05-08 COMSYS Holdings Corporation 1721 4.68% change
2025-03-28 NIPPON SHOKUBAI CO., LTD. 4114 4.63% change
2024-12-23 taisei corporation 1801 4.02% change
2024-12-12 NIKKON Holdings Co.,Ltd. 9072 4.13% change
2024-10-04 FUJI MEDIA HOLDINGS, INC. 4676 4.82% change
2024-09-13 KINDEN CORPORATION 1944 4.0% change
2024-06-25 DeNA Co., Ltd 2432 4.2% change
2024-05-24 1860 1860 4.92% change
2024-04-19 Concordia Financial Group, Ltd. 7186 4.37% change
2024-03-27 KAKEN PHARMACEUTIAL CO., LTD. 4521 4.82% change
2024-01-16 NAGASE & CO., LTD. 8012 4.73% change
2023-10-31 Daiwa Securities Group Inc. 8601 4.02% change
2023-09-27 SHIMIZU CORPORATION 1803 3.98% change
Date Target Ticker Stake Event Demands Source
2026-05-21 A&D Holon Holdings Co., Ltd. 7745 11.87% change
2026-05-19 KH Neochem Co.,Ltd. 4189 16.08% change
2026-04-30 Keihanshin Building Co., Ltd. 8818 11.99% change
2026-04-24 Noritake Company Limited 5331 9.22% change
2026-04-16 Yodogawa Steel Works,Ltd. 5451 5.63% change
2026-03-17 Orient Corporation 8585 11.78% change
2026-02-16 GungHo Online Entertainment, Inc. 3765 9.65% change
2026-02-16 SANYO DENKI CO.,LTD. 6516 15.89% change
2026-02-16 YELLOW HAT LTD. 9882 13.83% change
2026-02-06 OSAKA STEEL CO.,LTD. 5449 12.37% change
2026-02-06 GOLDCREST Co.,Ltd. 8871 14.67% change
2024-12-09 KYOKUTO KAIHATSU KOGYO CO.,LTD. 7226 5.67% change
2023-08-07 SEIKITOKYU KOGYO CO.,LTD. 1898 6.08% change
2025-12-03 TOA ROAD CORPORATION 1882 3.97% change
2025-08-29 Wakita & Co.,LTD. 8125 4.7% change
2024-09-05 Arisawa Manufacturing Co., Ltd. 5208 4.96% change
2024-07-12 DAIDOH LIMITED 3205 exit
2024-06-11 5930 5930 3.74% change
2024-02-05 Japan Securities Finance Co.,Ltd. 8511 3.96% change
2023-07-10 TACHI-S CO.,LTD. 7239 4.46% change
Oasis Management Company Ltd.
151 targets · avg stake 9.71% · last filing 2026-05-21
151 targets
Date Target Ticker Stake Event Demands Source
2026-05-20 Kao Corporation 4452 12.63% change
2026-05-13 COMSYS Holdings Corporation 1721 6.32% change
2026-05-13 SMS CO.,LTD 2175 18.3% change
2026-05-13 繧ォ繝ォ繝薙�シ譬ェ蠑丈シ夂、セ 2229 7.12% change
2026-05-13 Kakaku.com,Inc. 2371 19.52% change
2026-05-13 KUSURI NO AOKI HOLDINGS CO., LTD. 3549 14.05% change
2026-05-13 Internet Initiative Japan Inc. 3774 8.04% change
2026-05-13 Plus Alpha Consulting Co., Ltd. 4071 10.62% change
2026-05-13 DIC Corporation 4631 11.58% change
2026-05-13 KOBAYASHI PHARMACEUTICAL CO.,LTD. 4967 13.37% change
2026-05-13 TOKYO STEEL MANUFACTURING CO., LTD. 5423 8.65% change
2026-05-13 NIDEC CORPORATION 6594 6.78% change
2026-05-13 SUNCORPORATION 6736 18.45% change
2026-05-13 HORIBA, Ltd. 6856 9.9% change
2026-05-13 KOKUYO CO.,LTD. 7984 10.52% change
2026-05-13 8570 8570 9.78% change
2026-05-13 KADOKAWA CORPORATION 9468 13.76% change
2026-05-12 Kanadevia Corporation 7004 5.44% initial_5pct
2026-05-12 ICHIKOH INDUSTRIES, LTD. 7244 5.39% initial_5pct
2026-05-11 en-japan inc. 4849 9.94% change
2026-05-11 DKK Co.,Ltd. 6706 12.91% change
2026-05-11 KYB Corporation 7242 5.63% initial_5pct
2026-05-08 AIN HOLDINGS INC. 9627 16.68% change
2026-05-01 SEPTENI HOLDINGS CO.,LTD. 4293 6.84% change
2026-04-16 NIKKON Holdings Co.,Ltd. 9072 17.66% change
2026-04-08 TAIYO HOLDINGS CO., LTD. 4626 14.88% correction
2025-12-17 6890 6890 8.5% initial_5pct
2025-08-22 SHIBAURA MACHINE CO., LTD. 6104 5.23% initial_5pct
2025-01-27 NEC Networks & System Integration Corporation 1973 15.22% change
2024-11-14 seiren co.,ltd. 3569 6.61% change
2024-11-13 Mercari, Inc. 4385 5.37% initial_5pct
2024-09-06 ZEON CORPORATION 4205 6.29% initial_5pct
2024-01-29 IJTT Co.,Ltd. 7315 17.41% change
2024-01-16 Shidax Co. 4837 9.74% initial_5pct
2023-11-24 LIFENET INSURANCE COMPANY 7157 13.22% change
2023-11-07 ITOCHU Techno-Solutions Corporation 4739 6.42% initial_5pct
2023-09-01 SAGAMI RUBBER INDUSTRIES CO.,LTD. 5194 9.77% initial_5pct
2026-05-21 Pasona Group Inc. 2168 0.19% change
2026-05-01 Kumagaigumi Co.,Ltd. 1861 1.49% change
2026-05-01 Sanken Electric Co.,Ltd. 6707 2.83% change
2026-03-30 Hokuetsu Corporation 3865 4.8% change
2026-02-26 CASIO COMPUTER CO.,LTD. 6952 0.01% change
2025-12-26 FUJITEC CO., LTD. 6406 correction
2025-09-30 Digital Garage, Inc. 4819 exit
2025-09-18 TOPCON CORPORATION 7732 exit
2025-03-26 MACROMILL, INC. 3978 exit
2024-06-11 4348 4348 2.16% change
2024-03-26 ACSL Ltd. 6232 0.14% change
2024-03-21 TSURUHA HOLDINGS INC. 3391 0.06% change
2023-10-02 HAZAMA ANDO CORPORATION 1719 4.9% change
2023-09-27 Monex Group, Inc. 8698 4.07% change
Date Target Ticker Stake Event Demands Source
2026-03-31 TSURUMI MANUFACTURING CO.,LTD. 6351 12.69% change
2026-03-18 Macnica Holdings Co., Ltd. 3132 8.18% change
2026-02-16 繧「繝九さ繝縲€繝帙�シ繝ォ繝�繧」繝ウ繧ー繧ケ譬ェ蠑丈シ夂、セ 8715 14.83% change
2026-02-04 SENKO Group Holdings Co.,Ltd. 9069 9.47% change
2026-01-30 RINNAI CORPORATION 5947 6.32% change
2025-09-19 Ai Holdings Corporation 3076 6.04% change
2025-06-05 TOSEI CORPORATION 8923 5.0% initial_5pct
2025-04-18 EZAKI GLICO CO.,LTD. 2206 8.17% change
2024-02-08 Nitta Corporation 5186 5.63% change
2024-02-08 IWAKI CO., LTD. 6237 5.6% change
2024-02-08 TRANCOM CO., LTD. 9058 6.33% change
2025-05-16 TENMA CORPORATION 7958 exit
2024-09-06 LEC,INC. 7874 exit
2024-06-10 Sanwa Holdings Corporation 5929 4.59% change
2024-02-22 TOA CORPORATION 6809 exit
Date Target Ticker Stake Event Demands Source
2026-05-12 TAKARA HOLDINGS INC. 2531 19.01% change
2026-05-08 SUNCORPORATION 6736 12.08% change
2026-03-24 Money Forward, Inc. 3994 14.39% change
2026-03-12 MAX CO., LTD. 6454 7.31% initial_5pct
2026-02-13 Niterra Co., Ltd. 5334 5.27% correction
2024-09-25 Sanwa Holdings Corporation 5929 5.94% initial_5pct
2025-10-10 TOPCON CORPORATION 7732 correction
2025-05-21 NIHON KOHDEN CORPORATION 6849 3.85% change
Date Target Ticker Stake Event Demands Source
2024-01-11 Ai Holdings Corporation 3076 6.89% change
2024-01-11 Macnica Holdings Co., Ltd. 3132 6.33% change
2024-01-11 Nitta Corporation 5186 5.64% change
2024-01-11 Sanwa Holdings Corporation 5929 5.6% change
2024-01-11 IWAKI CO., LTD. 6237 5.6% change
2024-01-11 TSURUMI MANUFACTURING CO.,LTD. 6351 11.77% change
2024-01-11 TOA CORPORATION 6809 6.23% change
2024-01-11 LEC,INC. 7874 8.59% change
2024-01-11 TENMA CORPORATION 7958 15.02% change
2024-01-11 TRANCOM CO., LTD. 9058 6.61% change
2023-10-04 RINNAI CORPORATION 5947 5.3% initial_5pct
2023-06-09 HOGY MEDICAL CO.,LTD. 3593 5.43% change
2023-12-11 Pole To Win Holdings, Inc. 3657 4.43% change
Elliott Investment Management L.P.
10 targets · avg stake 5.2% · last filing 2026-05-20
10 targets
Date Target Ticker Stake Event Demands Source
2026-05-20 NIPPON EXPRESS HOLDINGS, INC. 9147 6.05% change
2026-03-30 TOYOTA INDUSTRIES CORPORATION 6201 exit
2025-04-14 TOKYO GAS CO.,LTD. 9531 4.91% change
Date Target Ticker Stake Event Demands Source
2026-05-22 CE Holdings Co.,Ltd. 432 11.59% increase
  • Business portfolio review (including major asset disposals/acquisitions, M&A, business division/transfer/termination)
  • Governance improvements (including significant changes to board composition, CEO selection/dismissal, director appointments)
  • Capital policy review (including dividend policy changes, capital raising/reduction policy changes)
  • Listing policy review (including delisting and control acquisition)
2026-05-22 Soken Chemical & Engineering Co.,Ltd. 4972 16.23% increase
  • Business portfolio review (including major asset disposals/acquisitions, organizational restructuring, business transfers)
  • Governance structure improvement (including changes to board composition, CEO selection, and appointment of Axium-nominated directors)
  • Capital policy review (including changes to dividend policy and capital structure policy)
  • Listing policy (including delisting and acquisition of control by third parties)
2026-05-22 HIRAKAWA HEWTECH CORP. 5821 8.16% increase
  • Business portfolio review (including M&A, reorganizations, and business transfers)
  • Governance improvements (board composition changes, CEO selection, and appointment of designated directors)
  • Capital policy review (dividend policy, capital structure changes)
  • Delisting or acquisition of control
2026-05-22 Tokyo Cosmoc Electric Co., Ltd. 6772 32.16% increase
  • Business portfolio review (asset disposals/acquisitions, M&A transactions, business transfers)
  • Governance improvements (board composition changes, CEO selection/removal, director appointments)
  • Capital policy review (dividend policy changes, capital raising/reduction policy adjustments)
  • Listing policy review (delisting consideration, control transfer by third parties)
2026-05-22 Foster Electric Company, Limited 6794 22.66% increase
  • Business portfolio review (including asset disposal/acquisition, M&A, business divestiture/acquisition/suspension)
  • Improvement of governance structure (including changes to board composition, selection/dismissal of representative director, appointment of investor-designated officers)
  • Capital policy review (including changes to dividend policy, capital increase/decrease policy, overall capital policy)
  • Listed company policy review (including delisting and acquisition of control by third parties)
2026-05-22 ISB CORPORATION 9702 10.01% increase
  • Business portfolio review (including asset sales/acquisitions, corporate reorganizations, business transfers)
  • Governance improvements (including director composition changes, CEO selection, appointment of nominated directors)
  • Capital policy review (including dividend policy, capital increase/decrease, capital allocation changes)
  • Listing policy review (including delisting and control acquisition by third parties)
2026-05-22 NIPPO LTD. 9913 18.04% increase
  • Business portfolio review (including major asset disposals/acquisitions, organizational restructuring, business transfers)
  • Governance improvements (including significant changes to board composition, selection/removal of representative directors, appointment of nominee directors)
  • Capital policy review (including changes to dividend policy, capital increase/decrease policy)
  • Listing policy review (including potential delisting and control acquisition by third parties)
ValueAct Capital Master Fund, L.P.
3 targets · avg stake 3.48% · last filing 2025-09-29
3 targets
Date Target Ticker Stake Event Demands Source
2025-09-29 Trend Micro Incorporated 4704 3.68% change
2024-04-23 4185 4185 exit