Will Japan’s ¥318 trillion GPIF move? A 3% JGB yield puts rebalancing in focus

Japan’s ¥320 trillion public pension fund, one of the world’s largest institutional investors, could become a major buyer of domestic bonds as Japanese government bond yields rise toward 3%. The higher yields have increased the appeal of Japanese debt compared with overseas assets.

Health Minister Kenichiro Ueno said after a cabinet meeting on Sept. 8 that the government had judged a review of the GPIF’s basic portfolio unnecessary as of the end of March. He added that the portfolio continues to undergo appropriate checks.

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As of the end of March, we judged that it was not necessary, but appropriate verification continues to be carried out.

At the same time, Ueno said he did not believe the current investment environment had diverged significantly from the conditions assumed by the basic portfolio. His comments left markets watching for any future adjustment rather than signaling an immediate change.

GPIF currently divides its investments equally among domestic bonds, overseas bonds, domestic equities and overseas equities. Its assets under management stood at about ¥320 trillion at the end of June, meaning even a one-percentage-point change in the allocation could shift more than ¥3 trillion through global financial markets.

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I do not think there is currently a major divergence from what the basic portfolio assumes.