Quantitative Research

JPX Margin Trading Weekly (Apr 17th): Kioxia, Advantest, SoftBank, Lasertec, Fujikura

17 Apr 2026 By Ke Yan, CFA
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Abstract: We analyzed JPX margin trading positions as of April 17th, covering stocks with market cap of at least USD 100m. The aggregated net margin trading position stood at USD 24,215m, up from USD 21,539m the prior week. The net margin trading position increased 12.4% week-on-week, significantly outpacing the TOPIX 500 index gain of 0.6%, with 1,235 stocks seeing margin loan positions increase versus 831 declining. Among individual stocks, Kioxia (285A JP) was the dominant mover, with net margin position rising USD 1,131m to USD 1,889m, while Lasertec (6920 JP) and Fujikura (5803 JP) also saw notable increases of USD 171m and USD 140m respectively. On the other side, Advantest (6857 JP) saw the largest weekly decline of USD 292m, followed by SoftBank (9984 JP) with a decrease of USD 279m.

SoftBank (9984 JP) Advantest (6857 JP) Lasertec (6920 JP) Kioxia (285A JP) Mitsubishi Heavy Industries (7011 JP) Fujikura (5803 JP)

Highlighted Stocks

SoftBank, Advantest, Lasertec, Kioxia, Mitsubishi Heavy Industries, Fujikura

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