| Schedule of Fair Value, Assets Measured on Recurring Basis |
The following tables summarize information about our cash, cash equivalents, and investments by investment category as of July 31, 2024 and January 31, 2024 (in thousands):
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of July 31, 2024 | | Fair Value Level | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Estimated Fair Value | | Assets | | | | | | | | | | | Cash and cash equivalents: | | | | | | | | | | | Cash | Level 1 | | $ | 86,970 | | | $ | — | | | $ | — | | | $ | 86,970 | | | Money market funds | Level 1 | | 118,928 | | | — | | | — | | | 118,928 | | | | | | | | | | | | | | | | | | | | | | | Total cash and cash equivalents | | | $ | 205,898 | | | $ | — | | | $ | — | | | $ | 205,898 | | | Short-term investments: | | | | | | | | | | | U.S. Treasury securities | Level 1 | | $ | 134,506 | | | $ | 16 | | | $ | (105) | | | $ | 134,417 | | | | | | | | | | | | | Corporate notes and bonds | Level 2 | | 199,574 | | | 20 | | | (370) | | | 199,224 | | | U.S. agency securities | Level 2 | | 168,870 | | | 23 | | | (260) | | | 168,633 | | | Total short-term investments | | | $ | 502,950 | | | $ | 59 | | | $ | (735) | | | $ | 502,274 | | | Long-term investments: | | | | | | | | | | | U.S. Treasury securities | Level 1 | | $ | 141,343 | | | $ | 791 | | | $ | — | | | $ | 142,134 | | | | | | | | | | | | | Corporate notes and bonds | Level 2 | | 214,371 | | | 565 | | | (32) | | | 214,904 | | | U.S. agency securities | Level 2 | | 37,419 | | | 63 | | | (18) | | | 37,464 | | | Total long-term investments | | | $ | 393,133 | | | $ | 1,419 | | | $ | (50) | | | $ | 394,502 | | | | | | | | | | | | | Total assets measured at fair value | | | $ | 1,101,981 | | | $ | 1,478 | | | $ | (785) | | | $ | 1,102,674 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of January 31, 2024 | | Fair Value Level | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Estimated Fair Value | | Assets | | | | | | | | | | | Cash and cash equivalents: | | | | | | | | | | | Cash | Level 1 | | $ | 43,925 | | | $ | — | | | $ | — | | | $ | 43,925 | | | Money market funds | Level 1 | | 204,481 | | | — | | | — | | | 204,481 | | | Certificates of deposit | Level 2 | | 8,245 | | | — | | | — | | | 8,245 | | | | | | | | | | | | | | | | | | | | | | | Total cash and cash equivalents | | | $ | 256,651 | | | $ | — | | | $ | — | | | $ | 256,651 | | | Short-term investments: | | | | | | | | | | | U.S. Treasury securities | Level 1 | | $ | 234,776 | | | $ | — | | | $ | (1,053) | | | $ | 233,723 | | | | | | | | | | | | | Corporate notes and bonds | Level 2 | | 279,248 | | | 12 | | | (1,068) | | | 278,192 | | | U.S. agency securities | Level 2 | | 157,873 | | | 18 | | | (501) | | | 157,390 | | | Total short-term investments | | | $ | 671,897 | | | $ | 30 | | | $ | (2,622) | | | $ | 669,305 | | | Long-term investments: | | | | | | | | | | | U.S. Treasury securities | Level 1 | | $ | 27,175 | | | $ | 121 | | | $ | — | | | $ | 27,296 | | | | | | | | | | | | | Corporate notes and bonds | Level 2 | | 69,970 | | | 279 | | | (67) | | | 70,182 | | | U.S. agency securities | Level 2 | | 90,924 | | | 303 | | | (48) | | | 91,179 | | | Total long-term investments | | | $ | 188,069 | | | $ | 703 | | | $ | (115) | | | $ | 188,657 | | | | | | | | | | | | | Total assets measured at fair value | | | $ | 1,116,617 | | | $ | 733 | | | $ | (2,737) | | | $ | 1,114,613 | |
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