Company: MTB-PJ
Filing Date: 2025-10-27
Form Type: 10-Q
Source: 0000036270-25-000024
Chunk: 139

Company: M&T BANK CORP
Filing Date: 2025-10-27
Form: 10-Q
Item: Part I, Item 8
Chunk 139
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 December 31, 2024Investment securities available for sale:U.S. Treasury $1,971 $9 $2,554 $18 Mortgage-backed securities:Government issued or guaranteed:Commercial2,566 45 64 — Residential4,429 53 1,623 114 Other — — 2 — 8,966 107 4,243 132 Investment securities held to maturity:U.S. Treasury 50 — 951 14 Mortgage-backed securities:Government issued or guaranteed:Commercial— — 1,877 157 Residential996 19 6,811 942 State and political subdivisions39 1 2,131 116 1,085 20 11,770 1,229 Total$10,051 $127 $16,013 $1,361 

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3. Investment securities, continued

The Company owned 3,158 individual debt securities with aggregate gross unrealized losses of $879 million at September 30, 2025. Based on a review of each of the securities in the investment securities portfolio at September 30, 2025, the Company concluded that it expected to recover the amortized cost basis of its investment. As of September 30, 2025, the Company does not intend to sell nor is it anticipated that it would be required to sell any of its impaired investment securities at a loss. At September 30, 2025, the Company has not identified events or changes in circumstances which may have a significant adverse effect on the fair value of the $732 million of cost method equity securities.The Company estimated no material allowance for credit losses for its investment securities classified as held to maturity at September 30, 2025 and December 31, 2024.At September 30, 2025, the amortized cost and estimated fair value of debt securities by contractual maturity were as follows:(Dollars in millions)AmortizedCostEstimatedFair ValueDebt securities available for sale:Due in one year or less$2,634 $2,639 Due after one year through five years3,949 3,983 Due after five years through ten years— — Due after ten years— — 6,583 6,622 Mortgage-backed securities16,417 16,541 $23,000 $23,