Quantitative Research

JPX Margin Trading Weekly (Apr 3rd): Kioxia, Advantest, Furukawa Electric

03 Apr 2026 By Ke Yan, CFA
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Abstract: We analyzed JPX margin trading positions as of April 3rd, covering stocks with market cap of at least USD 100m. The aggregated net margin trading position stood at USD 21,015m, up 17.8% from USD 17,842m the prior week, while the TOPIX 500 index declined 0.1% over the same period. In total, 1,083 stocks saw margin loan positions increase and 820 saw positions decrease. By absolute net position, the top holdings were SoftBank (USD 1,031m), Kioxia (USD 632m), Mitsubishi UFJ Financial (USD 589m), Advantest (USD 573m), and Nintendo (USD 453m). The largest weekly increases in net margin loan were Advantest (+USD 280m), West Japan Railway Company (+USD 150m), SoftBank (+USD 128m), Kyushu Railway Company (+USD 122m), and Edion (+USD 105m). The largest weekly decreases were Kioxia (-USD 576m), Furukawa Electric (-USD 196m), Mitsubishi Heavy Industries (-USD 89m), Fast Retailing (-USD 40m), and Mitsubishi UFJ Financial (-USD 35m).

West Japan Railway Company (9021 JP) Mitsubishi Heavy Industries Ltd. (7011 JP) Sanrio Co., Ltd. (8136 JP) Nintendo Co., Ltd. (7974 JP) Kioxia Holdings Corporation (285A JP) Furukawa Electric Co., Ltd. (5801 JP)

Highlighted Stocks

West Japan Railway Company, Mitsubishi Heavy Industries Ltd., Sanrio Co., Ltd., Nintendo Co., Ltd., Kioxia Holdings Corporation, Furukawa Electric Co., Ltd.

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