Taiheiyo Cement Cuts Stake in A&A Material (5391) to 14.68% | Large Shareholding Report

A large shareholding report (EDINET filing) shows that Pacific Cement Co., Ltd. reduced its stake in A&A Material Inc. (5391) to 14.68%. Pacific Cement is a major Japanese building materials manufacturer specializing in cement and construction materials production and sales. A&A Material, a subsidiary of Pacific Cement, manufactures and sells architectural materials such as non-flammable boards and decorative boards, as well as fireproofing work and industrial products including thermal insulation materials. The parent company's 14.68% stake represents a significant major shareholder position in the company's market capitalization.

The sale was disclosed in a change report filed on March 31, 2026, with an estimated sale amount of ¥2.13 billion. Pacific Cement's shareholding ratio has decreased by 27.64 percentage points from previous filings, indicating that the ongoing reduction in ownership stake is progressing in stages.

*Speculation: The gradual reduction of the parent company's stake may suggest a management strategy to gradually reduce operational involvement in the subsidiary while maintaining a certain level of influence, or alternatively, capital reallocation aimed at improving capital efficiency.