Japan’s Topix to Expand Universe, Cut Number of Companies

  • Topix to include companies from Standard, Growth markets
  • Number of companies to be about 1,200 from more than 2,000 now
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The Tokyo Stock Exchange will widen the universe of stocks that are included in Japan’s benchmark Topix index while reducing the number of constituents, as it seeks to boost the appeal as an investable gauge.

Companies listed in the Standard and startup Growth markets will be considered for inclusion, with the first review taking place in October 2026, TSE operator Japan Exchange Group Inc. said in a statement Wednesday. Currently, only those in the Prime market of large caps are included.