| Summary of Available-for-Sale Debt Securities |
The following tables summarize the available-for-sale debt securities held at June 30, 2025 and December 31, 2024 (in thousands):
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Description |
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
June 30, 2025 |
|
|
|
|
|
|
|
|
|
|
|
|
US treasury securities |
|
$ |
150,238 |
|
|
$ |
296 |
|
|
$ |
(63 |
) |
|
$ |
150,471 |
|
US government agencies |
|
|
170,696 |
|
|
|
39 |
|
|
|
(404 |
) |
|
|
170,331 |
|
Commercial Paper |
|
|
4,178 |
|
|
|
— |
|
|
|
(4 |
) |
|
|
4,174 |
|
Corporate securities |
|
|
301,866 |
|
|
|
517 |
|
|
|
(101 |
) |
|
|
302,282 |
|
Total |
|
$ |
626,978 |
|
|
$ |
852 |
|
|
$ |
(572 |
) |
|
$ |
627,258 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Description |
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
Losses |
|
|
Fair
Value |
|
December 31, 2024 |
|
|
|
|
|
|
|
|
|
|
|
|
US treasury securities |
|
$ |
158,518 |
|
|
$ |
190 |
|
|
$ |
(244 |
) |
|
$ |
158,464 |
|
US government agencies |
|
|
179,030 |
|
|
|
33 |
|
|
|
(1,248 |
) |
|
|
177,815 |
|
Commercial Paper |
|
|
15,847 |
|
|
|
5 |
|
|
|
— |
|
|
|
15,852 |
|
Corporate securities |
|
|
378,736 |
|
|
|
424 |
|
|
|
(644 |
) |
|
|
378,516 |
|
Total |
|
$ |
732,131 |
|
|
$ |
652 |
|
|
$ |
(2,136 |
) |
|
$ |
730,647 |
|
|