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Financial Instruments (Tables)
3 Months Ended
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 1Level 2Level 3
Cash$225,837 $— $— 
Money market funds163,040 — — 
Commercial paper19,808 — — 
Cash and cash equivalents408,685 — — 
U.S. Treasury securities394,461 — — 
Equity investments26 — — 
Marketable securities394,487 — — 
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 1Level 2Level 3
Cash$300,441 $— $— 
Money market funds30,000 — — 
Cash and cash equivalents330,441 — — 
U.S. Treasury securities346,926 — — 
Equity investments18 — — 
Marketable securities346,944 — — 
Equity warrants31,622 
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, 2023May 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 InputMinMaxWeighted Average
 Equity warrants$22,688 Black-Scholes and Monte Carlo Probability of vesting30%99%87%
Equity volatility35%80%76%