Company: BOKF
Filing Date: 2025-02-19
Form Type: 10-K
Source: 0000875357-25-000013
Chunk: 42

Company: BOK FINANCIAL CORP
Filing Date: 2025-02-19
Form: 10-K
Item: Item 8
Chunk 42
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 investment securities at December 31, 2024, by contractual maturity, are as shown in the following table (dollars in thousands):Less thanOne YearOne toFive YearsSix toTen YearsOverTen YearsTotalWeightedAverageMaturity1Fixed maturity debt securities:     Carrying value$19,306 $100,805 $16,851 $13 $136,975 2.65 Fair value19,350 102,098 15,668 13 137,129  Residential mortgage-backed securities:      Carrying value2    $1,880,473 Fair value    1,680,800  Total investment securities:      Carrying value    $2,017,448  Fair value    1,817,929  1Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without penalty.2The average expected lives of residential mortgage-backed securities were 4.7 years based upon current prepayment assumptions.Temporarily Impaired Investment Securities(Dollars in thousands)December 31, 2024 Number of SecuritiesLess Than 12 Months12 Months or LongerTotalFairValueUnrealizedLossFairValueUnrealizedLossFairValueUnrealizedLossInvestment:       Municipal securities20 $14,485 $65 $7,107 $283 $21,592 $348 Mortgage-backed securities: Residential agency116 — — 1,679,889 199,754 1,679,889 199,754 Commercial agency2 — — 15,357 863 15,357 863 Other debt securities3 — — 9,271 1,005 9,271 1,005 Total investment securities141 $14,485 $65 $1,711,624 $201,905 $1,726,109 $201,970 December 31, 2023 Number of SecuritiesLess Than 12 Months12 Months or LongerTotalFairValueUnrealizedLossFairValueUnrealizedLossFairValueUnrealizedLossInvestment:       Municipal securities13 $1,931 $5 $6,600 $189 $8,531 $194 Mortgage-backed securities:Residential agency116