Minato Holdings was selected as a constituent of the new TOPIX Next-tier Index, with inclusion scheduled for 30 October 2026. Against the backdrop of its sharply expanded market capitalisation and active M&A, the company also indicated that it would strengthen its approach to institutional investors and consider a future transition to the Prime Market.
Minato Holdings was selected as a constituent of the TOPIX Next-tier Index established by JPX Research Institute, with inclusion scheduled for 30 October 2026. The selection reflects the assessment of the company’s business expansion and improved market liquidity, and is intended to maintain the breadth of investment targets while making mid-cap stocks more visible.
In the semiconductor memory market, demand is exceeding supply as investment in AI infrastructure accelerates, resulting in a substantial rise in market prices for DRAM and NAND. Minato Holdings manufactures and sells memory modules as part of its digital device business, and its consolidated results for the fiscal year ending March 2026 recorded record-high revenue and operating profit.
Under its medium-term management plan, the company is advancing its digital consortium initiative. In recent years, it successively made the 3DCG production company ピーディック, the wire and electronic components company 富士電工, and the information equipment sales company ブレイン wholly owned subsidiaries. Through these actions, it is expanding its portfolio from semiconductor-related businesses into digital content and ICT products.
The TOPIX Next-tier Index forms part of an index reform initiative and covers non-constituent stocks that meet its liquidity and free-float market capitalisation criteria. The expansion of market capitalisation and increased trading activity are said to have met the new index’s selection criteria. Going forward, the company is expected to strengthen its engagement with institutional investors and consider a transition to the Prime Market, while expanding the scale of its digital consortium is also cited as a challenge.