LAGOS — The combined assets of nine listed Nigerian banks rose 6.42 per cent to N162.45 trillion at the end of June 2026, from N152.65 trillion at the end of 2025, according to an analysis by ThisDay. Ecobank Transnational had the largest balance sheet at N49.21 trillion, followed by Zenith Bank at N32.65 trillion and First HoldCo at N30.64 trillion. Stanbic IBTC grew fastest, by 26.6 per cent to N10.9 trillion, while Jaiz Bank rose 27 per cent to N1.64 trillion. Customer deposits account for about 72 per cent of total assets.