| Summary of Available-for-sale Marketable Securities |
The following table summarizes the Company’s available-for-sale marketable securities as of March 31, 2024 and December 31, 2023:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
March 31, 2024 |
|
|
|
Amortized
Cost |
|
|
Gross Unrealized
Gains |
|
|
Gross Unrealized
Losses |
|
|
Estimated Fair
Value |
|
|
|
(In thousands) |
|
Marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
U.S. Treasury and other government-backed securities |
|
$ |
401,660 |
|
|
$ |
40 |
|
|
$ |
(589 |
) |
|
$ |
401,111 |
|
Financial institution debt securities |
|
|
214,001 |
|
|
|
56 |
|
|
|
(292 |
) |
|
|
213,765 |
|
Corporate debt securities |
|
|
112,194 |
|
|
|
12 |
|
|
|
(129 |
) |
|
|
112,077 |
|
Other asset-backed securities |
|
|
54,496 |
|
|
|
3 |
|
|
|
(47 |
) |
|
|
54,452 |
|
Total |
|
$ |
782,351 |
|
|
$ |
111 |
|
|
$ |
(1,057 |
) |
|
$ |
781,405 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
December 31, 2023 |
|
|
|
Amortized
Cost |
|
|
Gross Unrealized
Gains |
|
|
Gross Unrealized
Losses |
|
|
Estimated Fair
Value |
|
|
|
(In thousands) |
|
Marketable securities: |
|
|
|
|
|
|
|
|
|
|
|
|
U.S. Treasury and other government-backed securities |
|
$ |
382,260 |
|
|
$ |
302 |
|
|
$ |
(254 |
) |
|
$ |
382,308 |
|
Financial institution debt securities |
|
|
246,270 |
|
|
|
92 |
|
|
|
(243 |
) |
|
|
246,119 |
|
Corporate debt securities |
|
|
97,490 |
|
|
|
53 |
|
|
|
(135 |
) |
|
|
97,408 |
|
Other asset-backed securities |
|
|
59,453 |
|
|
|
75 |
|
|
|
(24 |
) |
|
|
59,504 |
|
Total |
|
$ |
785,473 |
|
|
$ |
522 |
|
|
$ |
(656 |
) |
|
$ |
785,339 |
|
|