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Financial Instruments (Tables) | 3 Months Ended
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Apr. 30, 2023
Investments, Debt and Equity Securities [Abstract] |
Schedule of Cash and Cash Equivalents | The following table includes a summary of financial instruments measured at fair value as of April 30, 2023 (in thousands):
|  | Level 1 |  | Level 2 |  | Level 3 |  |  |
Cash |  | $ | 225,837 |  |  | $ | — |  |  | $ | — |  |  |  |
Money market funds |  | 163,040 |  |  | — |  |  | — |  |  |  |
Commercial paper |  | 19,808 |  |  | — |  |  | — |  |  |  |
Cash and cash equivalents |  | 408,685 |  |  | — |  |  | — |  |  |  |
U.S. Treasury securities |  | 394,461 |  |  | — |  |  | — |  |  |  |
Equity investments |  | 26 |  |  | — |  |  | — |  |  |  |
Marketable securities |  | 394,487 |  |  | — |  |  | — |  |  |  |
Equity warrants |  | — |  |  | — |  |  | 22,688 |  |  |  |
Total financial instruments |  | $ | 803,172 |  |  | $ | — |  |  | $ | 22,688 |  |  |  |
The following table includes a summary of financial instruments measured at fair value as of January 29, 2023 (in thousands):
|  | Level 1 |  | Level 2 |  | Level 3
Cash |  | $ | 300,441 |  |  | $ | — |  |  | $ | — |
Money market funds |  | 30,000 |  |  | — |  |  | — |
Cash and cash equivalents |  | 330,441 |  |  | — |  |  | — |
U.S. Treasury securities |  | 346,926 |  |  | — |  |  | — |
Equity investments |  | 18 |  |  | — |  |  | — |
Marketable securities |  | 346,944 |  |  | — |  |  | — |
Equity warrants |  | — |  | — |  | 31,622 |
Total financial instruments |  | $ | 677,385 |  |  | $ | — |  |  | $ | 31,622 |
Summary of Changes in Fair Value for Financial Instruments Using Unobservable Level 3 Inputs | The following table summarizes the change in fair value for financial instruments using unobservable Level 3 inputs (in thousands):
| 13 Weeks Ended
| April 30, 2023 |  | May 1, 2022
Beginning balance | $ | 31,622 |  |  | $ | — |
Change in fair value of equity warrants | (8,934) |  |  | — |
Ending balance | $ | 22,688 |  |  | $ | — |
Summary of Level 3 Significant Unobservable Inputs | The following table presents quantitative information about Level 3 significant unobservable inputs used in the fair value measurement of the equity warrants as of April 30, 2023 (in thousands):
|  |  |  |  |  |  | Range |  |
| Fair Value |  | Valuation Techniques |  | Unobservable Input |  | Min |  | Max |  | Weighted Average
Equity warrants | $22,688 |  | Black-Scholes and Monte Carlo |  | Probability of vesting |  | 30% |  | 99% |  | 87%
| Equity volatility |  | 35% |  | 80% |  | 76%

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