v3.25.2
Investment Securities (Tables)
6 Months Ended
Jun. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Trading Securities by Major Security Type Trading securities by major security type as of June 30, 2025 and December 31, 2024 are summarized in Table 3.1 (in thousands):
Table 3.1
Fair Value
06/30/202512/31/2024
Non-mortgage-backed securities:
GSE debentures
$— $17,884 
Non-mortgage-backed securities— 17,884 
Mortgage-backed securities:
GSE MBS
153,520 422,079 
Mortgage-backed securities153,520 422,079 
TOTAL$153,520 $439,963 
Net Gains (Losses) on Trading Securities
Net gains (losses) on trading securities during the three and six months ended June 30, 2025 and 2024 are shown in Table 3.2 (in thousands):

Table 3.2
Three Months EndedSix Months Ended
06/30/202506/30/202406/30/202506/30/2024
Net gains (losses) on trading securities held as of June 30, 2025
$621 $311 $1,802 $(113)
Net gains (losses) on trading securities sold or matured prior to June 30, 2025
1,207 3,627 2,565 5,842 
NET GAINS (LOSSES) ON TRADING SECURITIES$1,828 $3,938 $4,367 $5,729 
Available-for-sale Securities by Major Security Type Available-for-sale securities by major security type as of June 30, 2025 are summarized in Table 3.3 (in thousands). Amortized cost includes adjustments made to the cost basis of an investment for accretion, amortization, and fair value hedge accounting adjustments, and excludes accrued interest receivable of $39,178,000 as of June 30, 2025.
Table 3.3
06/30/2025
Amortized
Cost
Gross
Unrecognized
Gains
Gross
Unrecognized
Losses
Fair
Value
Non-mortgage-backed securities:
U.S. Treasury obligations
$3,396,987 $— $(95,075)$3,301,912 
State or local housing agency obligations
48,210 41 (13)48,238 
Non-mortgage-backed securities3,445,197 41 (95,088)3,350,150 
Mortgage-backed securities:
U.S. obligation MBS68,509 — (1,022)67,487 
GSE MBS
10,786,119 25,812 (110,991)10,700,940 
Mortgage-backed securities10,854,628 25,812 (112,013)10,768,427 
TOTAL$14,299,825 $25,853 $(207,101)$14,118,577 

Available-for-sale securities by major security type as of December 31, 2024 are summarized in Table 3.4 (in thousands). Amortized cost includes adjustments made to the cost basis of an investment for accretion, amortization, and fair value hedge accounting adjustments, and excludes accrued interest receivable of $35,778,000 as of December 31, 2024.

Table 3.4
12/31/2024
Amortized
Cost
Gross
Unrecognized
Gains
Gross
Unrecognized
Losses
Fair
Value
Non-mortgage-backed securities:
U.S. Treasury obligations
$3,313,012 $$(75,795)$3,237,223 
State or local housing agency obligations
24,465 — (286)24,179 
Non-mortgage-backed securities3,337,477 (76,081)3,261,402 
Mortgage-backed securities:
U.S. obligation MBS78,046 — (783)77,263 
GSE MBS
9,782,201 31,461 (94,708)9,718,954 
Mortgage-backed securities9,860,247 31,461 (95,491)9,796,217 
TOTAL$13,197,724 $31,467 $(171,572)$13,057,619 
Available-for-sale securities with unrealized losses, fair value
Table 3.5 summarizes the available-for-sale securities with gross unrealized losses as of June 30, 2025 (in thousands). The gross unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

Table 3.5
06/30/2025
Less Than 12 Months12 Months or MoreTotal
Fair
Value
Gross Unrealized LossesFair
Value
Gross Unrealized LossesFair
Value
Gross Unrealized Losses
Non-mortgage-backed securities:
U.S. Treasury obligations
$715,040 $(474)$2,586,872 $(94,601)$3,301,912 $(95,075)
State or local housing agency obligations
24,337 (13)— — 24,337 (13)
Non-mortgage-backed securities739,377 (487)2,586,872 (94,601)3,326,249 (95,088)
Mortgage-backed securities:
U.S. obligation MBS— — 67,487 (1,022)67,487 (1,022)
GSE MBS
3,706,493 (27,465)4,061,481 (83,526)7,767,974 (110,991)
Mortgage-backed securities
3,706,493 (27,465)4,128,968 (84,548)7,835,461 (112,013)
TOTAL$4,445,870 $(27,952)$6,715,840 $(179,149)$11,161,710 $(207,101)

Table 3.6 summarizes the available-for-sale securities with gross unrealized losses as of December 31, 2024 (in thousands). The gross unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position.

Table 3.6
12/31/2024
Less Than 12 Months12 Months or MoreTotal
Fair
Value
Gross Unrealized LossesFair
Value
Gross Unrealized LossesFair
Value
Gross Unrealized Losses
Non-mortgage-backed securities:
U.S. Treasury obligations
$244,268 $(1,144)$2,754,861 $(74,652)$2,999,129 $(75,796)
State or local housing agency obligations
24,179 (286)— — 24,179 (286)
Non-mortgage-backed securities268,447 (1,430)2,754,861 (74,652)3,023,308 (76,082)
Mortgage-backed securities:
U.S. obligation MBS— — 77,263 (783)77,263 (783)
GSE MBS
2,880,112 (14,624)3,638,445 (80,083)6,518,557 (94,707)
Mortgage-backed securities
2,880,112 (14,624)3,715,708 (80,866)6,595,820 (95,490)
TOTAL$3,148,559 $(16,054)$6,470,569 $(155,518)$9,619,128 $(171,572)
Securities Classified By Contractual Maturity
The amortized cost and fair values of available-for-sale securities by contractual maturity as of June 30, 2025 and December 31, 2024 are shown in Table 3.7 (in thousands). Expected maturities of MBS will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

Table 3.7
06/30/202512/31/2024
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
Non-mortgage-backed securities:
Due in one year or less$1,219,860 $1,177,703 $457,610 $440,483 
Due after one year through five years
2,177,127 2,124,209 2,855,402 2,796,740 
Due after five years through ten years
— — — — 
Due after ten years48,210 48,238 24,465 24,179 
Non-mortgage-backed securities3,445,197 3,350,150 3,337,477 3,261,402 
Mortgage-backed securities10,854,628 10,768,427 9,860,247 9,796,217 
TOTAL$14,299,825 $14,118,577 $13,197,724 $13,057,619 
The amortized cost and fair values of held-to-maturity securities by contractual maturity as of June 30, 2025 and December 31, 2024 are shown in Table 3.10 (in thousands). Expected maturities of MBS will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees.

Table 3.10
06/30/202512/31/2024
Amortized
Cost
Fair
Value
Amortized
Cost
Fair
Value
Non-mortgage-backed securities:
Due in one year or less$— $— $— $— 
Due after one year through five years
— — — — 
Due after five years through ten years
29,755 29,378 30,895 30,450 
Due after ten years— — — — 
Non-mortgage-backed securities29,755 29,378 30,895 30,450 
Mortgage-backed securities174,140 172,746 188,931 187,026 
TOTAL$203,895 $202,124 $219,826 $217,476 
Held-To-Maturity Securities by Major Security Type
Held-to-maturity Securities: Held-to-maturity securities by major security type as of June 30, 2025 are summarized in Table 3.8 (in thousands). Carrying value equals amortized cost, which includes adjustments made to the cost basis of an investment for accretion and amortization, and excludes accrued interest receivable of $414,000 as of June 30, 2025.

Table 3.8
06/30/2025
Amortized
Cost
Gross
Unrecognized
Gains
Gross
Unrecognized
Losses
Fair
Value
Non-mortgage-backed securities:
State or local housing agency obligations
$29,755 $— $(377)$29,378 
Non-mortgage-backed securities29,755 — (377)29,378 
Mortgage-backed securities:
GSE MBS
174,140 252 (1,646)172,746 
Mortgage-backed securities174,140 252 (1,646)172,746 
TOTAL$203,895 $252 $(2,023)$202,124 
Held-to-maturity securities by major security type as of December 31, 2024 are summarized in Table 3.9 (in thousands). Carrying value equals amortized cost, which includes adjustments made to the cost basis of an investment for accretion and amortization, and excludes accrued interest receivable of $476,000 as of December 31, 2024.

Table 3.9
12/31/2024
Amortized
Cost
Gross
Unrecognized
Gains
Gross
Unrecognized
Losses
Fair
Value
Non-mortgage-backed securities:
State or local housing agency obligations
$30,895 $— $(445)$30,450 
Non-mortgage-backed securities30,895 — (445)30,450 
Mortgage-backed securities:
GSE MBS
188,931 359 (2,264)187,026 
Mortgage-backed securities188,931 359 (2,264)187,026 
TOTAL$219,826 $359 $(2,709)$217,476