Activist / Engagement InvestorJapan

Nanahoshi Management

ナナホシマネジメント

A Japan-based investor known for shareholder proposals and open letters to the boards of Wakamoto Pharmaceutical and HS Holdings.

Companies tracked

Filings

First seen on our site

—

Latest filing

—

"Companies tracked" and "first seen" reflect activity within our coverage period (from 2021-09-09 onward, the past five years) and do not represent this investor's total number of historical holdings in the Japanese market.

Export "Nanahoshi Management" as a print-ready PDF

Anyone can view and interact with this page for free. If you'd like a print-optimized PDF, please fill out the form below. The download starts immediately.

Also email me when new articles are published (one email per article, unsubscribe anytime)

Published Materials (White Papers, Presentations, Open Letters)

Materials this investor published itself, such as white papers, presentations, open letters and campaign websites (January 2020 onward; 25 items for 3 companies). "Open" shows the copy kept by beluuga.ai; "Source" links to where it was originally published.

▶HSホールディングス8699 · 10 items

View company profile →

2026/09/28Open letterハーン銀行株式の保有割合の引下げ及び配当制限に関する方針開示の要請(Japanese)Open Source
2026/04/22Shareholder proposal定款一部変更：中期経営計画の策定(Japanese)Open Source
2026/01/27Open letter税所篤氏に対する株主代表訴訟提起(Japanese)Open Source
2026/01/08Open letter大東銀行株式売却の経済合理性に関する疑義など(Japanese)Open Source
2025/09/24Open letter取締役に対する損害賠償責任を追及する訴え提起の請求(Japanese)Open Source
2025/06/24Open letter定時株主総会における事前質問(Japanese)Open Source
2025/05/21Open letter2025年5月19日付回答書に対する返答(Japanese)Open Source
2025/05/19Open letter訪問時に同席された同弁護士の発言に対する弊社の見解(Japanese)Open Source
2025/04/28Campaign siteImprove HS | HSホールディングス（8699）の株主価値向上に向けて(Japanese/English)Source
2025/04/15Open letter面談のフォローアップおよび株主価値向上施策に関して(Japanese)Open Source

▶わかもと製薬4512 · 14 items

View company profile →

2026/04/20Shareholder proposal2026年定時株主総会株主提案(Japanese)Open Source
2025/06/11Open letter取締役会宛書簡(過去の不正に関する報道について)(Japanese)Open Source
2025/04/21Open letter社長宛書簡(株主提案への取締役会意見・総会中継の要請)(Japanese)Open Source
2024/12/02Open letter取締役会宛書簡(社長の評価と中期経営計画)(Japanese)Open Source
2024/12/02Open letter指名・報酬委員会宛書簡(取締役候補について)(Japanese)Open Source
2024/11/26Open letter千葉銀行頭取宛書簡(政策保有株の問題)(Japanese)Open Source
2024/06/10Open letterみずほFG宛書簡(取締役会のみずほ出身者について)(Japanese)Open Source
2024/06/06Open letter千葉銀行頭取宛書簡(わかもと製薬株の保有目的変更について)(Japanese)Open Source
2024/05/27Open letter取締役会宛書簡(株主提案への反対意見と投資家の声)(Japanese)Open Source
2024/05/13Open letter取締役会宛書簡(事前質問・説明要請)(Japanese)Open Source
2024/04/15Shareholder proposal2024年定時株主総会株主提案(Japanese)Open Source
2024/03/19Campaign siteStrengthen Wakamoto(Japanese/English)Source
2024/03/06Open letter取締役会宛書簡(みずほ出身の取締役候補について)(Japanese)Open Source
2024/01/29Open letter執行役員宛書簡(面談のフォローアップ)(Japanese)Open Source

▶焼津水産化学工業2812 · 1 items

View company profile →

2022/12/22Campaign siteOptimize Yaizu (2812 JP Equity)(Japanese/English)Source

This page mechanically aggregates and organizes disclosure data from publicly filed large shareholding and change reports into a timeline. The "purpose of holding" field is a machine translation of the original Japanese text as filed; the original filing is authoritative. It does not guarantee any particular investment judgment or interpretation of the filer's intent. Data is updated daily.

Source: public filings (large shareholding and change reports). "View original" links to the PDF of the original filing stored by beluuga.ai.

Published materials are documents the investor itself made public; their content and copyright belong to the investor. beluuga.ai keeps copies as published so they remain available after the original page is taken down.