v3.26.3
Fair Value Measurements
 9 Months Ended
Sep. 30, 2026
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
Assets and liabilities measured at fair value at each balance sheet date are as follows (in thousands):
September 30, 2026
Level 1Level 2Level 3Total
Assets:
Cash equivalents:
Money market funds$56,541 $— $— $56,541 
U.S. government treasuries9,998 — — 9,998 
Short-term marketable securities:
U.S. government treasuries322,971 — — 322,971 
Corporate debt securities— 90,355 — 90,355 
Long-term marketable securities:
U.S. government treasuries336,811 — — 336,811 
Corporate debt securities— 154,565 — 154,565 
Total$726,321 $244,920 $— $971,241 
December 31, 2025
Level 1Level 2Level 3Total
Assets:
Cash equivalents:
Money market funds$149,874 $— $— $149,874 
Commercial paper— 24,899 — 24,899 
Short-term marketable securities:
U.S. government treasuries600,084 — — 600,084 
Corporate debt securities— 62,469 — 62,469 
Long-term marketable securities:
U.S. government treasuries58,545 — — 58,545 
Corporate debt securities— 39,777 — 39,777 
Total$808,503 $127,145 $— $935,648 

The Company’s Level 2 securities are valued using third-party pricing sources. The pricing services utilize industry standard valuation models, including both income and market-based approaches, for which all significant inputs are observable, either directly or indirectly.
The Company has not transferred any assets or liabilities between the fair value measurement levels for the nine months ended September 30, 2026 or for the year ended December 31, 2025.