Japan’s G-Sibs’ fallback fund RWAs top ¥1trn

- By Lea Mok
- 28 Aug 2026

Japan’s three global systemically important banks (G-Sibs) reported sharp increases in risk-weighted assets (RWAs) calculated under the fallback approach for equity investments in funds in Q1 2026, pushing their aggregate total above ¥1 trillion ($6.3 billion) for the first time in two years.

Combined fallback RWAs at Mitsubishi UFJ Financial Group (MUFG), Mizuho Financial Group and Sumitomo

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