| Summary of Composition of Short and Long Term Investments |
The following tables summarize the composition of our short- and long-term investments at December 31, 2024 and 2023:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2024 |
|
|
|
Amortized Cost |
|
|
Unrealized Gains |
|
|
Unrealized Losses |
|
|
Aggregate Fair Value |
|
|
|
(in thousands) |
|
Commercial paper |
|
$ |
4,941 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
4,941 |
|
Corporate bonds |
|
|
284,337 |
|
|
|
533 |
|
|
|
(295 |
) |
|
|
284,575 |
|
U.S. Government agency securities |
|
|
117,158 |
|
|
|
260 |
|
|
|
(49 |
) |
|
|
117,369 |
|
U.S. Treasury securities |
|
|
1,303,384 |
|
|
|
780 |
|
|
|
(9 |
) |
|
|
1,304,155 |
|
Total |
|
$ |
1,709,820 |
|
|
$ |
1,573 |
|
|
$ |
(353 |
) |
|
$ |
1,711,040 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2023 |
|
|
|
Amortized Cost |
|
|
Unrealized Gains |
|
|
Unrealized Losses |
|
|
Aggregate Fair Value |
|
|
|
(in thousands) |
|
Commercial paper |
|
$ |
11,513 |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
11,513 |
|
Corporate bonds |
|
|
237,662 |
|
|
|
422 |
|
|
|
(678 |
) |
|
|
237,406 |
|
U.S. Government agency securities |
|
|
122,414 |
|
|
|
520 |
|
|
|
(176 |
) |
|
|
122,758 |
|
U.S. Treasury securities |
|
|
953,457 |
|
|
|
1,087 |
|
|
|
(273 |
) |
|
|
954,271 |
|
Total |
|
$ |
1,325,046 |
|
|
$ |
2,029 |
|
|
$ |
(1,127 |
) |
|
$ |
1,325,948 |
|
|
| Summary of Contractual Maturities of Short-Term and Long-Term Investments Held |
The contractual maturities of short-term and long-term investments held as follows:
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|
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|
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|
|
|
|
|
|
|
|
|
December 31, 2024 |
|
|
December 31, 2023 |
|
|
|
Amortized Cost Basis |
|
|
Aggregate Fair Value |
|
|
Amortized Cost Basis |
|
|
Aggregate Fair Value |
|
|
|
( in thousands) |
|
Due within one year |
|
$ |
1,555,656 |
|
|
$ |
1,556,828 |
|
|
$ |
1,000,447 |
|
|
$ |
1,000,245 |
|
Due after 1 year and within 2 years |
|
|
154,164 |
|
|
|
154,212 |
|
|
|
324,599 |
|
|
|
325,703 |
|
Total |
|
$ |
1,709,820 |
|
|
$ |
1,711,040 |
|
|
$ |
1,325,046 |
|
|
$ |
1,325,948 |
|
|