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BOJ warns of financial system risks from investment fund activity

By Thomson Reuters May 15, 2026 | 1:40 AM

By Leika Kihara

TOKYO, May 15 (Reuters) – Investment funds play a key role in supplying risk capital but can also ​pose potential risks to a country’s ‌financial system, Bank of Japan executive director Kazushige Kamiyama said in a speech released on the bank’s website on Friday.

Foreign hedge funds and private equity ‌funds ​have increased their presence ⁠in Japan even though ⁠non-bank financial intermediaries (NBFI) account for just 30% of total financial assets in the country, lower than the global share of ​50%, Kamiyama said.

In recent years, private equity funds have increasingly facilitated business restructuring and ⁠mergers and acquisitions in ⁠Japan, he added.

While NBFIs play ​a role in promoting economic growth by supplying ​risk capital, they can pose “potential risks to ‌the entire financial system,” Kamiyama said in the speech, which was delivered at a seminar on Thursday.

“A sudden shift in capital ⁠movements by global hedge funds could exacerbate price volatility in bond and stock markets,” he said.

As ⁠Japanese financial ‌institutions increase lending to foreign investment ⁠funds, there is a risk ​external ‌shocks could spread instantaneously to domestic ​markets, ⁠Kamiyama said.

“As NBFIs expand their global activities, cooperation among central banks and supervisory authorities across jurisdictions is becoming increasingly important,” he said.

(Reporting by Leika Kihara; Editing by Jacqueline Wong and ​Sam Holmes)