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Investments (Tables)
 3 Months Ended
Apr. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Unrealized Gains and Losses, and Estimated Fair Values of the Company’s Investments The following tables present the amortized costs, unrealized gains and losses, and estimated fair values of the Company’s cash equivalents and short-term investments (in thousands):
April 30, 2024
Amortized Cost(1)
Unrealized GainsUnrealized LossesEstimated Fair Value
Cash equivalents:
Money market funds$108,411 $— $— $108,411 
Total cash equivalents108,411 — — 108,411 
Short-term investments:
Corporate bonds135,560 12 (286)135,286 
U.S. Treasury securities167,754 3 (432)167,325 
Commercial paper20,006 — — 20,006 
Agency securities13,401 — (3)13,398 
Total short-term investments336,721 15 (721)336,015 
Total$445,132 $15 $(721)$444,426 
(1) Excludes interest receivable of $2.1 million, which is included in Prepaid expenses and other current assets on the condensed consolidated balance sheets.

January 31, 2024
Amortized Cost(1)
Unrealized GainsUnrealized LossesEstimated Fair Value
Cash equivalents:
Money market funds$79,082 $— $— $79,082 
Commercial paper4,497 — — 4,497 
Total cash equivalents83,579 — — 83,579 
Short-term investments:
Corporate bonds99,547 158 (9)99,696 
U.S. Treasury securities169,825 123 — 169,948 
Commercial paper57,755 — — 57,755 
Agency securities19,282 21 (1)19,302 
Total short-term investments346,409 302 (10)346,701 
Total$429,988 $302 $(10)$430,280 
(1) Excludes interest receivable of $1.5 million, which is included in Prepaid expenses and other current assets on the condensed consolidated balance sheets.
Schedule of Maturities of the Company’s Short-term Investments
The following table presents the contractual maturities of the Company’s short-term investments (in thousands):
April 30, 2024
Amortized CostEstimated Fair Value
Due within one year$255,588 $255,285 
Due between one to five years81,133 80,730 
Total$336,721 $336,015