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Corporate Score 42 Neutral

UK Activist Fund AVI Targets Rohto Pharmaceutical Leadership

Apr 30, 2026 10:23 UTC
Rohto Pharmaceutical
Short term

Asset Value Investors Ltd. has formally requested the resignation of Rohto Pharmaceutical's chairman. The move signals increasing pressure from foreign investors on Japanese corporate governance.

  • AVI calls for Chairman Kunio Yamada to step down
  • Fund holds approximately 2% stake in the Osaka-based company
  • Shareholder proposal submitted for June annual meeting
  • AVI cites distortions in corporate governance as primary driver
  • Investment in Rohto began in 2024

Asset Value Investors Ltd. (AVI), a UK-based investment fund, is seeking the removal of Chairman Kunio Yamada from the board of directors at Rohto Pharmaceutical Co. The fund has submitted a formal shareholder proposal to the Osaka-based drugmaker, alleging that Yamada's actions have distorted the company's corporate governance framework. AVI, which first established its position in the pharmaceutical company in 2024, currently holds approximately a 2% stake in Rohto. This represents the fund's first formal shareholder proposal since becoming an investor in the firm. The proposal is scheduled to be presented to shareholders during the company's annual general meeting in June. The outcome of the vote will be closely watched as a gauge of the company's willingness to adapt its leadership structure to investor demands. This action reflects a broader trend of activist shareholders targeting Japanese firms to improve transparency and unlock shareholder value. While the stake held by AVI is relatively small, the move highlights the growing influence of foreign capital on the governance standards of Japanese corporations.

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