Mizuho Financial Group Inc's filing reports adjustments in assets, including Japanese agency mortgage-backed securities valued at ¥315,536 million and ¥22 million as of March 31, 2025, and ¥311,042 million and ¥21 million as of September 30, 2025, with significant charge-offs rising to ¥237,898 million due to corporate borrower downgrades. The data reflects changes in financial status required for regulatory reporting.