| Amortized Cost, Gross Unrealized Gains (Losses) and Fair Value of Available-For-Sale Securities |
The amortized cost, gross unrealized gains (losses) and fair values of available-for-sale securities by major security type and class of security as of January 31, 2026 and 2025 are as follows:
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Amortized
Cost |
|
|
Unrealized
Gains |
|
|
Unrealized
(Losses) |
|
|
Fair
Value |
|
As of January 31, 2026 |
|
|
|
|
|
|
|
|
|
|
|
|
Short-term Investments: |
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds |
|
$ |
232,594 |
|
|
$ |
403 |
|
|
$ |
(28 |
) |
|
$ |
232,969 |
|
US Treasury securities |
|
|
38,288 |
|
|
|
174 |
|
|
|
(2 |
) |
|
|
38,460 |
|
Federal government agencies |
|
|
17,454 |
|
|
|
32 |
|
|
|
(2 |
) |
|
|
17,484 |
|
Municipal and pre-refunded municipal bonds |
|
|
27,964 |
|
|
|
26 |
|
|
|
(3 |
) |
|
|
27,987 |
|
Commercial paper |
|
|
8,824 |
|
|
|
— |
|
|
|
— |
|
|
|
8,824 |
|
Certificates of deposit |
|
|
1,000 |
|
|
|
— |
|
|
|
— |
|
|
|
1,000 |
|
|
|
|
326,124 |
|
|
|
635 |
|
|
|
(35 |
) |
|
|
326,724 |
|
Long-term Investments: |
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds |
|
$ |
330,319 |
|
|
$ |
921 |
|
|
$ |
(436 |
) |
|
$ |
330,804 |
|
US Treasury securities |
|
|
80,872 |
|
|
|
520 |
|
|
|
(20 |
) |
|
|
81,372 |
|
Federal government agencies |
|
|
23,723 |
|
|
|
10 |
|
|
|
(55 |
) |
|
|
23,678 |
|
Municipal and pre-refunded municipal bonds |
|
|
3,393 |
|
|
|
17 |
|
|
|
(1 |
) |
|
|
3,409 |
|
Mutual funds, held in rabbi trust |
|
|
22,213 |
|
|
|
383 |
|
|
|
(1 |
) |
|
|
22,595 |
|
|
|
|
460,520 |
|
|
|
1,851 |
|
|
|
(513 |
) |
|
|
461,858 |
|
|
|
$ |
786,644 |
|
|
$ |
2,486 |
|
|
$ |
(548 |
) |
|
$ |
788,582 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
As of January 31, 2025 |
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|
|
|
|
|
|
|
|
|
|
|
Short-term Investments: |
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds |
|
$ |
186,732 |
|
|
$ |
103 |
|
|
$ |
(114 |
) |
|
$ |
186,721 |
|
US Treasury securities |
|
|
5,415 |
|
|
|
— |
|
|
|
(5 |
) |
|
|
5,410 |
|
Federal government agencies |
|
|
53,663 |
|
|
|
55 |
|
|
|
(7 |
) |
|
|
53,711 |
|
Municipal and pre-refunded municipal bonds |
|
|
53,772 |
|
|
|
70 |
|
|
|
(8 |
) |
|
|
53,834 |
|
Commercial paper |
|
|
9,774 |
|
|
|
— |
|
|
|
— |
|
|
|
9,774 |
|
Certificates of deposit |
|
|
10,499 |
|
|
|
— |
|
|
|
— |
|
|
|
10,499 |
|
|
|
|
319,855 |
|
|
|
228 |
|
|
|
(134 |
) |
|
|
319,949 |
|
Long-term Investments: |
|
|
|
|
|
|
|
|
|
|
|
|
Corporate bonds |
|
$ |
233,418 |
|
|
$ |
298 |
|
|
$ |
(500 |
) |
|
$ |
233,216 |
|
US Treasury securities |
|
|
92,852 |
|
|
|
226 |
|
|
|
(90 |
) |
|
|
92,988 |
|
Federal government agencies |
|
|
50,579 |
|
|
|
16 |
|
|
|
(292 |
) |
|
|
50,303 |
|
Municipal and pre-refunded municipal bonds |
|
|
14,770 |
|
|
|
35 |
|
|
|
(8 |
) |
|
|
14,797 |
|
Mutual funds, held in rabbi trust |
|
|
15,673 |
|
|
|
2,246 |
|
|
|
(15 |
) |
|
|
17,904 |
|
Certificates of deposit |
|
|
1,000 |
|
|
|
— |
|
|
|
— |
|
|
|
1,000 |
|
|
|
|
408,292 |
|
|
|
2,821 |
|
|
|
(905 |
) |
|
|
410,208 |
|
|
|
$ |
728,147 |
|
|
$ |
3,049 |
|
|
$ |
(1,039 |
) |
|
$ |
730,157 |
|
|
| Gross Unrealized Losses and Fair Value of Marketable Securities |
The following tables show the gross unrealized losses and fair value of the Company’s marketable securities with unrealized losses that are not deemed to have credit losses, aggregated by the length of time that individual securities have been in a continuous unrealized loss position, at January 31, 2026 and 2025, respectively.
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
January 31, 2026 |
|
|
|
Less Than 12 Months |
|
|
12 Months or Greater |
|
|
Total |
|
Description of Securities |
|
Fair Value |
|
|
Unrealized
Losses |
|
|
Fair Value |
|
|
Unrealized
Losses |
|
|
Fair Value |
|
|
Unrealized
Losses |
|
Corporate bonds |
|
$ |
197,823 |
|
|
$ |
(458 |
) |
|
$ |
5,338 |
|
|
$ |
(6 |
) |
|
$ |
203,161 |
|
|
$ |
(464 |
) |
US Treasury securities |
|
|
22,491 |
|
|
|
(22 |
) |
|
|
— |
|
|
|
— |
|
|
|
22,491 |
|
|
|
(22 |
) |
Federal government agencies |
|
|
13,499 |
|
|
|
(47 |
) |
|
|
8,809 |
|
|
|
(10 |
) |
|
|
22,308 |
|
|
|
(57 |
) |
Municipal and pre-refunded municipal bonds |
|
|
15,629 |
|
|
|
(4 |
) |
|
|
— |
|
|
|
— |
|
|
|
15,629 |
|
|
|
(4 |
) |
Mutual funds, held in rabbi trust |
|
|
1,020 |
|
|
|
(1 |
) |
|
|
— |
|
|
|
— |
|
|
|
1,020 |
|
|
|
(1 |
) |
Total |
|
$ |
250,462 |
|
|
$ |
(532 |
) |
|
$ |
14,147 |
|
|
$ |
(16 |
) |
|
$ |
264,609 |
|
|
$ |
(548 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
January 31, 2025 |
|
|
|
Less Than 12 Months |
|
|
12 Months or Greater |
|
|
Total |
|
Description of Securities |
|
Fair Value |
|
|
Unrealized
Losses |
|
|
Fair Value |
|
|
Unrealized
Losses |
|
|
Fair Value |
|
|
Unrealized
Losses |
|
Corporate bonds |
|
$ |
206,917 |
|
|
$ |
(587 |
) |
|
$ |
8,093 |
|
|
$ |
(27 |
) |
|
$ |
215,010 |
|
|
$ |
(614 |
) |
US Treasury securities |
|
|
37,007 |
|
|
|
(94 |
) |
|
|
1,495 |
|
|
|
(1 |
) |
|
|
38,502 |
|
|
|
(95 |
) |
Federal government agencies |
|
|
49,234 |
|
|
|
(298 |
) |
|
|
5,738 |
|
|
|
(1 |
) |
|
|
54,972 |
|
|
|
(299 |
) |
Municipal and pre-refunded municipal bonds |
|
|
6,917 |
|
|
|
(13 |
) |
|
|
1,502 |
|
|
|
(3 |
) |
|
|
8,419 |
|
|
|
(16 |
) |
Mutual funds, held in rabbi trust |
|
|
1,316 |
|
|
|
(15 |
) |
|
|
— |
|
|
|
— |
|
|
|
1,316 |
|
|
|
(15 |
) |
Total |
|
$ |
301,391 |
|
|
$ |
(1,007 |
) |
|
$ |
16,828 |
|
|
$ |
(32 |
) |
|
$ |
318,219 |
|
|
$ |
(1,039 |
) |
|