| Schedule of Cash Equivalent and Marketable Securities |
Cash equivalents and marketable securities consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2026 | | Amortized Cost Basis | | Unrealized Gains | | Unrealized Losses | | Estimated Fair Value | | | | | | | | | | (in thousands) | | Cash equivalents: | | | | | | | | | Money market funds | $ | 313,677 | | | $ | — | | | $ | — | | | $ | 313,677 | | | U.S. Treasury securities | 359,493 | | | — | | | (7) | | | 359,486 | | | | | | | | | | | Commercial paper | 546,093 | | | — | | | (88) | | | 546,005 | | | Total cash equivalents | 1,219,263 | | | — | | | (95) | | | 1,219,168 | | | Marketable securities: | | | | | | | | | U.S. Treasury securities | 1,999 | | | — | | | — | | | 1,999 | | | Agency discount notes | 3,493 | | | — | | | — | | | 3,493 | | | Total marketable securities | 5,492 | | | — | | | — | | | 5,492 | | Total cash equivalents and marketable securities | $ | 1,224,755 | | | $ | — | | | $ | (95) | | | $ | 1,224,660 | |
| | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Amortized Cost Basis | | Unrealized Gains | | Unrealized Losses | | Estimated Fair Value | | | | | | | | | | (in thousands) | | Cash equivalents: | | | | | | | | | Money market funds | $ | 132,602 | | | $ | — | | | $ | — | | | $ | 132,602 | | | U.S. Treasury securities | 11,957 | | | 3 | | | — | | | 11,960 | | | Agency discount notes | 25,933 | | | 5 | | | — | | | 25,938 | | | Total cash equivalents | 170,492 | | | 8 | | | — | | | 170,500 | | | Marketable securities: | | | | | | | | | U.S. Treasury securities | 9,419 | | | 2 | | | — | | | 9,421 | | | Agency discount notes | 7,940 | | | 2 | | | — | | | 7,942 | | | Total marketable securities | 17,359 | | | 4 | | | — | | | 17,363 | | Total cash equivalents and marketable securities | $ | 187,851 | | | $ | 12 | | | $ | — | | | $ | 187,863 | |
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