European banks rebuild AT1 capital stock
Additional Tier 1 capital up 26% since end of 2023
European banks added €8.5 billion ($9.7 billion) of Additional Tier 1 (AT1) capital in the second quarter of 2026, a Risk Quantum analysis found. AT1 capital hit €196.2 billion and accounted for 15% of total regulatory capital across the 22 banks in the sample, the highest share since Q2 2019.
HSBC held the largest AT1 capital stock, at $23.7 billion, equivalent to 13% of its total capital. The
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