Company: BOKF
Filing Date: 2025-02-19
Form Type: 10-K
Source: 0000875357-25-000013
Chunk: 43

Company: BOK FINANCIAL CORP
Filing Date: 2025-02-19
Form: 10-K
Item: Item 8
Chunk 43
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 — — 1,916,732 174,398 1,916,732 174,398 Commercial agency2 — — 15,067 847 15,067 847 Other debt securities3 — — 8,672 1,603 8,672 1,603 Total investment securities134 $1,931 $5 $1,947,071 $177,037 $1,949,002 $177,042 

101

Available for Sale Securities The amortized cost and fair value of available for sale securities are as follows (in thousands): December 31, 2024 AmortizedFairGross Unrealized CostValueGainLossU.S. Treasury$1,000 $945 $— $(55)Municipal securities240,528 225,568 2 (14,962)Mortgage-backed securities:    Residential agency8,895,900 8,639,389 17,936 (274,447)Residential non-agency814,542 781,209 11,247 (44,580)Commercial agency3,436,465 3,204,016 726 (233,175)Other debt securities500 473 — (27)Total available for sale securities$13,388,935 $12,851,600 $29,911 $(567,246) December 31, 2023 AmortizedFairGross Unrealized CostValueGainLossU.S. Treasury$1,000 $925 $— $(75)Municipal securities544,707 502,833 1 (41,875)Mortgage-backed securities:   Residential agency7,066,645 6,834,720 36,983 (268,908)Residential non-agency833,535 799,877 12,865 (46,523)Commercial agency4,456,918 4,147,853 2,972 (312,037)Other debt securities500 473 — (27)Total available for sale securities$12,903,305 $12,286,681 $52,821 $(669,445)The amortized cost and fair values of available for sale securities at December 31, 2024, by contractual maturity, are