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Sunday, November 15, 2026Japan edition · 日本語
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Tools · FilingsUpdated with new filings

Japan Activist & 5% Ownership Stakes

Disclosed stakes above 5%, with activist groups and ownership changes.

Data through · Updated with new filings

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new stakes above 5% filed in the past week

The largest move was 牧 寛之 in Base, +0.00 pp.

1 row matches “4477” · Clear · Go to Base (4477) →

Data coverage and sources

Shows 1 of 1 filings.

Curated engagement groups match legal filer codes. Affiliated filers count once per issuer, using the largest disclosed stake. A filing does not imply an active campaign.

Dates select original filings, with retained later corrections applied.

CSV contains accepted filings in this selection, including original text and separate English display fields. Source ratios and percent fields retain their own units.

English prose ready for 1 / 1 filings. Unverified names use source identities; originals remain available. Name reference as of 2026-11-10.

Displayed filings since 7 Mar 2025

Latest disclosed stakes within the selected filing window; this is not a complete ownership book. Filed changes can lag trades. A stake is the holding ratio as filed under the large-shareholding rules and includes potential shares underlying instruments such as warrants.

This week's 5% crossings

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No stored data for this selection.

Largest moves

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Largest moves
CompanyHolderStakeChangePurposeFiling
Base4477牧 寛之3.03% own · 28.36% group of 2+0.00 ppFounder, insider or family
Read full ownership purpose・The filer previously held shares for the purpose of involvement in management and improvement of governance through the exercise of voting rights and other shareholder rights, with the aim of enhancing the issuer's corporate value and maximizing total shareholder return. However, on 23 Oct 2026, the filer obtained from the issuer the following 4 assurances (hereinafter referred to as the 'Assurances'). 1 With respect to the 'Commitment to the transition to a company with a nominating committee, etc.', the issuer will begin concrete examination, including identifying practical issues, with the aim of submitting a proposal regarding the transition to a company with a nominating committee, etc. at the ordinary general meeting of shareholders in 2028 3, and will disclose this as a commitment of the issuer, including President Tsuruoka. 2 With respect to the 'Setting and introduction of a clear TSR (total shareholder return) target and commitment toward its achievement', the issuer will positively consider introducing TSR as a target, and will disclose this as a commitment of the issuer, including President Tsuruoka.
Machine translated
Original (Japanese)・提出者は、従前は、議決権その他の株主権の行使を通じた経営関与及びガバナンスの改善により、発行者の企業価値の向上及び株主総利回りの最大化を図ることを保有目的としておりました。しかるに、提出者は、2026年10月23日に、発行者より、次の4点の確約を得るに至りました(以下「本件確約」といいます。)。1 「指名委員会等設置会社への移行に対するコミットメント」に関しては、2028年3月の定時株主総会において指名委員会等設置会社への移行に関する議案を上程することを目指して、実務上の課題の洗い出しを含めた具体的な検討を開始することとし、鶴岡社長を含めた発行者のコミットメントとして、その旨を開示する。2 「明確なTSR(株主総利回り)目標の設定・導入と、その達成に向けたコミットメント」に関しては、TSRを目標として導入することを前向きに検討することとし、鶴岡社長を含めた発行者のコミットメントとして、そ
Filed  — filing S100Z9TG

Activist league

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Crowded names

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Exits below 5%

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