Key facts
- Japan's three global systemically important banks (G-Sibs) saw a sharp increase in risk-weighted assets (RWAs) for equity investments in funds.
- The RWAs were calculated under the fallback approach for Q1 2026.
- The aggregate total of these fallback RWAs exceeded ¥1 trillion ($6.3 billion) for the first time in two years.
Japan's three global systemically important banks (G-Sibs) reported significant increases in risk-weighted assets (RWAs) calculated under the fallback approach for equity investments in funds during the first quarter of 2026. This surge pushed their combined total above ¥1 trillion ($6.3 billion) for the first time in two years. Sumitomo Financial Group (SMFG) was a key driver of a 62% quarterly rise, while MUFG cited methodology effects for its reporting.