| Summary of Available-for-Sale Debt Securities |
The following tables summarize the available-for-sale debt securities held at June 30, 2026 and December 31, 2025 (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Description |
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
June 30, 2026 |
|
|
|
|
|
|
|
|
|
|
|
|
US treasury securities |
|
$ |
335,023 |
|
|
$ |
30 |
|
|
$ |
(1,767 |
) |
|
$ |
333,286 |
|
US government agencies |
|
|
349,898 |
|
|
|
3 |
|
|
|
(2,058 |
) |
|
|
347,843 |
|
Commercial Paper |
|
|
9,164 |
|
|
|
— |
|
|
|
(3 |
) |
|
|
9,161 |
|
Corporate securities |
|
|
693,481 |
|
|
|
64 |
|
|
|
(3,426 |
) |
|
|
690,119 |
|
Total |
|
$ |
1,387,566 |
|
|
$ |
97 |
|
|
$ |
(7,254 |
) |
|
$ |
1,380,409 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Description |
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
December 31, 2025 |
|
|
|
|
|
|
|
|
|
|
|
|
US treasury securities |
|
$ |
316,979 |
|
|
$ |
623 |
|
|
$ |
(34 |
) |
|
$ |
317,568 |
|
US government agencies |
|
|
290,714 |
|
|
|
276 |
|
|
|
(81 |
) |
|
|
290,909 |
|
Commercial Paper |
|
|
7,156 |
|
|
|
1 |
|
|
|
(2 |
) |
|
|
7,155 |
|
Corporate securities |
|
|
645,772 |
|
|
|
1,285 |
|
|
|
(266 |
) |
|
|
646,791 |
|
Total |
|
$ |
1,260,621 |
|
|
$ |
2,185 |
|
|
$ |
(383 |
) |
|
$ |
1,262,423 |
|
|