🎯 Activists & large holders in Japanese equities

Who is building stakes — from EDINET 5% filings, in English. Updated continuously.

Period: 7d 30d 90d 180d All ・ 40 filings (max 40)
📊 Latest activist & large-holding moves
CodeCompany / HolderStakeChangeFiled
3393Startia Holdings,Inc. Startia Holdings,Inc. Activist
Individual (本郷秀之)
 21.27% -3.15pp 2026-11-13
6062CHARM CARE CORPORATION CHARM CARE CORPORATION Activist
Shimomura Takahiko
 16.33% +0.03pp 2026-11-13
5891SAKIGAKE Holdings Co.,Ltd. SAKIGAKE Holdings Co.,Ltd. Activist
Individual (藤田 宗)
 17.25% -0.03pp 2026-11-13
6855JAPAN ELECTRONIC MATERIALS CORPORATION JAPAN ELECTRONIC MATERIALS CORPORATION Pure
Effissimo Capital Management Pte Ltd
 9.91% new 2026-11-13
6315TOWA CORPORATION TOWA CORPORATION Pure
Effissimo Capital Management Pte Ltd
 6.14% new 2026-11-13
5915KOMAIHALTEC Inc. KOMAIHALTEC Inc. Pure
Sun You Ning
 11.23% +0.97pp 2026-11-13
4187OSAKA ORGANIC CHEMICAL INDUSTRY LTD. OSAKA ORGANIC CHEMICAL INDUSTRY LTD. Pure
Effissimo Capital Management Pte Ltd
 5.07% new 2026-11-13
6890Ferrotec Corporation Ferrotec Corporation Activist
Oasis Management Company Ltd.
 6.63% +0.06pp 2026-11-13
7373Aidma Holdings, Inc. Aidma Holdings, Inc. Activist
Miura Yohei
 21.65% 0pp 2026-11-13
6905COSEL CO.,LTD. COSEL CO.,LTD. Policy
Individual (飴 久晴)
 7.22% -2.42pp 2026-11-13
6770ALPS ALPINE CO., LTD. ALPS ALPINE CO., LTD. Activist
S-Grant Corporation
 8.28% 0pp 2026-11-13
4819Digital Garage, Inc. Digital Garage, Inc. Activist
Digital Garage, Inc.
 20.64% 0pp 2026-11-13
5033Nulab Inc. Nulab Inc. Pure
HIKARI TSUSHIN,INC.
 6.83% +0.87pp 2026-11-13
3626TISI Inc. TISI Inc.
TISI
 7.66% 0pp 2026-11-13
4414FLECT Co.,Ltd. FLECT Co.,Ltd. Pure
HIKARI TSUSHIN,INC.
 6.91% +0.83pp 2026-11-13
5821HIRAKAWA HEWTECH CORP. HIRAKAWA HEWTECH CORP. Activist
AXIUM CAPITAL PTE.LTD.
 15.96% +1.34pp 2026-11-13
9633Tokyo Theatres Company, Incorporated Tokyo Theatres Company, Incorporated Activist
Capital Management
 6.02% +1.01pp 2026-11-13
3386COSMO BIO COMPANY, LIMITED COSMO BIO COMPANY, LIMITED Pure
HIKARI TSUSHIN,INC.
 7.21% 0pp 2026-11-13
9324Yasuda Logistics corporation Yasuda Logistics corporation Activist
NIPPON ACTIVE VALUE FUND PLC
 1.65% +0.54pp 2026-11-13
6328EBARA JITSUGYO CO.,LTD. EBARA JITSUGYO CO.,LTD. Activist
NIPPON ACTIVE VALUE FUND PLC
 7.15% 0pp 2026-11-13
8914Arealink Co.,Ltd. Arealink Co.,Ltd. Activist
Zennor Asset Management
 10.88% +1.08pp 2026-11-13
8001ITOCHU Corporation ITOCHU Corporation Activist
ITOCHU Corporation
 17.20% +8.35pp 2026-11-13
4373Simplex Holdings, Inc. Simplex Holdings, Inc. Activist
Kaneko Hideki
 9.91% -1.24pp 2026-11-13
9982Takihyo Co., Ltd. Takihyo Co., Ltd. Activist
UGS Asset Management
 9.26% +1.07pp 2026-11-13
3267Phil Company,Inc. Phil Company,Inc. Activist
Individual (髙橋 伸彰)
 20.51% +1.05pp 2026-11-13
4068Basis Corporation Basis Corporation Policy
Individual (吉村 公孝)
 17.24% 0pp 2026-11-13
9619ICHINEN HOLDINGS CO.,LTD. ICHINEN HOLDINGS CO.,LTD. Policy
第一燃料株式会社
 11.62% 0pp 2026-11-13
6731PIXELA CORPORATION PIXELA CORPORATION Pure
Evo Fund
 55.41% -3.62pp 2026-11-13
4199WonderPlanet Inc. WonderPlanet Inc. Activist
Individual (常川友樹)
 15.25% -0.13pp 2026-11-13
6200Insource Co.,Ltd Insource Co.,Ltd Activist
Individual (舟橋 孝之)
 6.72% +0.35pp 2026-11-13
3697SHIFT Inc. SHIFT Inc. Activist
Arcus Investment
 3.99% -1.1pp 2026-11-13
3632GREE Holdings, Inc. GREE Holdings, Inc. Activist
Tanaka Yoshikazu
 0.23% +0.01pp 2026-11-13
9928MIROKU JYOHO SERVICE CO.,LTD MIROKU JYOHO SERVICE CO.,LTD
Individual (是枝 伸彦)
 5.32% +0.01pp 2026-11-13
4582SymBio Pharmaceuticals Limited SymBio Pharmaceuticals Limited Pure
Evo Fund
 45.60% -3.33pp 2026-11-13
1970TAUNS Laboratories, Inc. TAUNS Laboratories, Inc. Activist
Individual (野中 雅貴)
 29.23% -0.4pp 2026-11-12
4370Mobilus Corporation Mobilus Corporation Activist
Ishii Tomohiro
 6.05% +1.04pp 2026-11-12
9265YAMASHITA HEALTH CARE HOLDINGS,INC. YAMASHITA HEALTH CARE HOLDINGS,INC. Activist
CARPE DIEM
 18.75% +0.32pp 2026-11-12
4280Cypress Holdings Co.,Ltd. Cypress Holdings Co.,Ltd. Activist
Individual (東 稔哉)
 6.32% -0.03pp 2026-11-12
3850INTRAMART CORPORATION INTRAMART CORPORATION Activist
Nakayama Yoshito
 6.62% 0pp 2026-11-12
7361Human Creation Holdings,Inc. Human Creation Holdings,Inc. Pure
HIKARI TSUSHIN,INC.
 6.63% 0pp 2026-11-12
🏆 Activists & large holders
HolderTypePositions ▲Last filing
Omiya Masatoko Large holder 0 2026-11-13
T&CO Activist 0 2026-11-12
Guroobisu Capital Partners Large holder 0 2026-11-12
Freudenberg SE Large holder 0 2026-11-12
J Growth Large holder 0 2026-11-11
Individual (平井 瑛) Activist 0 2026-11-11
肥銀ブリッジ投資事業有限責任組合 Large holder 0 2026-11-11
Eitinamu Growth Fund 2020 Large holder 0 2026-11-11
LEE CHANGSU Activist 0 2026-11-11
Beyond Next Ventures Large holder 0 2026-11-10
Individual (小村 富士夫) Large holder 0 2026-11-10
Individual (伊藤 嘉盛) Activist 0 2026-11-09
Individual (小泉 信一) Activist 0 2026-11-06
Individual (新庄 勝浩) Activist 0 2026-11-05
Individual (黒澤 仁) Large holder 0 2026-11-02
Oriibu Activist 0 2026-11-02
Individual (大谷 光徳) Activist 0 2026-10-28
Miyatera Yukihiro Activist 0 2026-10-26
Hasegawa Tomoichi Activist 0 2026-10-22
Individual (有馬 弘進) Activist 0 2026-10-22
TAK Large holder 0 2026-10-22
Kudo Hideichi Activist 0 2026-10-21
UStoteiruzu Activist 0 2026-10-20
Individual (赤羽根 康男) Activist 0 2026-10-16
Otsuka Fumihiko Activist 0 2026-10-15
Individual (毛塚 牧人) Activist 0 2026-10-13
株式会社惻隠坊 Activist 0 2026-10-09
Individual (田澤 悟郎) Activist 0 2026-10-07
Individual (上田 桂司) Activist 0 2026-10-02
Suzuki Ken Activist 0 2026-10-02
株式会社四条 Large holder 0 2026-09-30
AMG Large holder 0 2026-09-29
Individual (古賀 宣行) Activist 0 2026-09-29
Individual (田谷野 貴正) Activist 0 2026-09-29
Individual (稲垣 靖) Activist 0 2026-09-29
Honma Mahiko Large holder 0 2026-09-28
Harada Akiji Activist 0 2026-09-28
Okawa Kazumasa Activist 0 2026-09-25
Individual (金谷 元気) Large holder 0 2026-09-24
Individual (梶尾 祐司) Activist 0 2026-09-24
Individual (渡邉 瞬) Activist 0 2026-09-17
Individual (後藤 清孝) Activist 0 2026-09-07
Individual (福富 七海) Activist 0 2026-09-04
Individual (須田 祐馬) Activist 0 2026-09-04
Individual (舩越 裕勝) Activist 0 2026-09-04
Individual (住吉 秀一) Activist 0 2026-09-01
Ogawa Hiroji Large holder 0 2026-08-31
Suzuki Toshisuke Activist 0 2026-08-26
Onishi Toshisuke Activist 0 2026-08-10
ITOCHU-SHOKUHIN Co., Ltd. Large holder 0 2026-08-07
Yoshida Onari Large holder 0 2026-08-05
Individual (佐藤 順英) Activist 0 2026-08-05
Individual (庄子 潔) Activist 0 2026-08-03
Akamatsu Tetsunori Activist 0 2026-07-28
JCC Activist 0 2026-07-28
Morita Kazuhiko Large holder 0 2026-07-28
EsutopuropaTzu Activist 0 2026-07-24
Okamura Koo Large holder 0 2026-07-24
ADVANCE CO., LTD. Large holder 0 2026-07-22
Individual (廣岡 香織) Activist 0 2026-07-22
Individual (廣岡 伸弥) Activist 0 2026-07-22
株式会社羽廣屋万九郎 Large holder 0 2026-07-22
Ishikawa Yuko Large holder 0 2026-07-21
Individual (池田 元気) Activist 0 2026-07-21
Individual (大江 繭子) Activist 0 2026-07-17
Ikeda Yukari Large holder 0 2026-07-10
Nagai Aya Large holder 0 2026-07-10
Individual (猪子 能史) Activist 0 2026-07-07
Individual (西條 勝則) Large holder 0 2026-07-06
Individual (西條 敬弘) Activist 0 2026-07-06
有限会社祥北信興 Activist 0 2026-07-06
Individual (實吉 智裕) Large holder 0 2026-07-06
Individual (太田 睦) Activist 0 2026-07-02
Hinokiya Group Co.,Ltd. Large holder 0 2026-06-30
株式会社北海道共創パートナーズ Large holder 0 2026-06-30
Individual (今中 康仁) Activist 0 2026-06-30
Fukatani Juzo Activist 0 2026-06-25
第一リアルター株式会社 Large holder 0 2026-06-23
Konishi Yuichi Activist 0 2026-06-23
Individual (小西 享) Activist 0 2026-06-23

📊 Holders with at least one activist-purpose filing or a 10%+ stake. Securities-firm market-making excluded.