v3.26.1
Debt securities held-to-maturity (Tables)
 6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of Debt Securities, Held-to-Maturity The following tables present the amortized cost, allowance for credit losses, gross unrealized gains and losses, approximate fair value,
weighted average yield and contractual maturities of debt securities held-to-maturity at June 30, 2026 and December 31, 2025.
At June 30, 2026
(In thousands)
Amortized
cost
Book
Value [1]
Allowance
for Credit
Losses
Carrying
Value
Net of
Allowance
Gross
unrealized
gains
Gross
unrealized
losses
Fair
value
Weighted
average
yield
U.S. Treasury securities
Within 1 year
$2,550,122
$2,514,507
$-
$2,514,507
$-
$2,273
$2,512,234
1.06%
After 1 to 5 years
3,806,389
3,640,221
-
3,640,221
-
19,074
3,621,147
1.33
Total U.S. Treasury securities
6,356,511
6,154,728
-
6,154,728
-
21,347
6,133,381
1.22
Obligations of Puerto Rico, States and
political subdivisions
Within 1 year
2,720
2,720
8
2,712
8
-
2,720
6.45
After 1 to 5 years
3,910
3,910
24
3,886
11
-
3,897
1.84
After 5 to 10 years
450
450
14
436
6
-
442
5.81
After 10 years
34,769
34,769
6,184
28,585
2,465
1,770
29,280
1.43
Total obligations of Puerto Rico, States
and political subdivisions
41,849
41,849
6,230
35,619
2,490
1,770
36,339
1.84
Collateralized mortgage obligations -
federal agencies
After 10 years
1,483
1,483
-
1,483
-
187
1,296
2.87
Total collateralized mortgage
obligations - federal agencies
1,483
1,483
-
1,483
-
187
1,296
2.87
Securities in wholly owned statutory
business trusts
After 5 to 10 years
5,960
5,960
-
5,960
-
-
5,960
6.33
Total securities in wholly owned
statutory business trusts
5,960
5,960
-
5,960
-
-
5,960
6.33
Total debt securities held-to-maturity [2]
$6,405,803
$6,204,020
$6,230
$6,197,790
$2,490
$23,304
$6,176,976
1.23%
[1]Book value includes $201.8 million of unrealized loss which remains in Accumulated other comprehensive (loss) income (AOCI) related to certain securities
previously transferred from available-for-sale securities portfolio to the held-to-maturity securities portfolio.
[2] Included $6.1 billion pledged to secure public and trust deposits that the secured parties are not permitted to sell or repledge the collateral. The Corporation
had unpledged held-to-maturities securities with a fair value of $99.7 million that could be used to increase its borrowing facilities.
At December 31, 2025
(In thousands)
Amortized
cost
Book
Value [1]
Allowance
for Credit
Losses
Carrying
Value
Net of
Allowance
Gross
unrealized
gains
Gross
unrealized
losses
Fair
value
Weighted
average
yield
U.S. Treasury securities
Within 1 year
$2,558,293
$2,519,071
$-
$2,519,071
$5,224
$110
$2,524,185
1.31%
After 1 to 5 years
5,003,219
4,749,896
-
4,749,896
35,910
-
4,785,806
1.27
Total U.S. Treasury securities
7,561,512
7,268,967
-
7,268,967
41,134
110
7,309,991
1.28
Obligations of Puerto Rico, States and
political subdivisions
Within 1 year
2,605
2,605
5
2,600
4
-
2,604
6.43
After 1 to 5 years
12,508
12,508
39
12,469
24
87
12,406
3.49
After 5 to 10 years
450
450
15
435
15
-
450
5.81
After 10 years
35,544
35,544
5,753
29,791
2,908
1,829
30,870
1.43
Total obligations of Puerto Rico, States
and political subdivisions
51,107
51,107
5,812
45,295
2,951
1,916
46,330
2.22
Collateralized mortgage obligations -
federal agencies
After 10 years
1,495
1,495
-
1,495
-
189
1,306
2.87
Total collateralized mortgage obligations -
federal agencies
1,495
1,495
-
1,495
-
189
1,306
2.87
Securities in wholly owned statutory
business trusts
After 5 to 10 years
5,960
5,960
-
5,960
-
-
5,960
6.33
Total securities in wholly owned statutory
business trusts
5,960
5,960
-
5,960
-
-
5,960
6.33
Total debt securities held-to-maturity [2]
$7,620,074
$7,327,529
$5,812
$7,321,717
$44,085
$2,215
$7,363,587
1.29%
[1]Book value includes $293.0 million of unrealized loss which remains in Accumulated other comprehensive (loss) income (AOCI) related to certain securities
transferred from available-for-sale securities portfolio to the held-to-maturity securities portfolio.
[2] Includes $7.3 billion pledged to secure public and trust deposits that the secured parties are not permitted to sell or repledge the collateral. The Corporation
had unpledged held-to-maturities securities with a fair value of $98.8 million that could be used to increase its borrowing facilities.