| Schedule of Debt Securities, Available-For-Sale |
The amortized cost, gross unrealized gains and losses, and fair value of available-for-sale securities by major security type are as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | As of September 30, 2026 | | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | Fair
Value | | Cash equivalents | | | | | | | | | Money market funds | $ | 127,756 | | | $ | — | | | $ | — | | | $ | 127,756 | | | U.S. treasury and agency securities | 25,970 | | | — | | | (4) | | | 25,966 | | | | | | | | | | | Commercial paper | 15,963 | | | — | | | (4) | | | 15,959 | | | Total cash equivalents | $ | 169,689 | | | $ | — | | | $ | (8) | | | $ | 169,681 | | | Marketable securities | | | | | | | | | U.S. treasury and agency securities | $ | 241,714 | | | $ | 3 | | | $ | (3,238) | | | $ | 238,479 | | | Commercial paper | 15,393 | | | — | | | (43) | | | 15,350 | | | Corporate debt securities | 924,920 | | | 133 | | | (10,035) | | | 915,018 | | | | | | | | | | | | | | | | | | | Total marketable securities | $ | 1,182,027 | | | $ | 136 | | | $ | (13,316) | | | $ | 1,168,847 | |
| | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | Amortized
Cost | | Gross
Unrealized
Gains | | Gross
Unrealized
Losses | | Fair
Value | | Cash equivalents | | | | | | | | | Money market funds | $ | 142,772 | | | $ | — | | | $ | — | | | $ | 142,772 | | | | | | | | | | | Commercial paper | 5,496 | | | — | | | (1) | | | 5,495 | | | Total cash equivalents | $ | 148,268 | | | $ | — | | | $ | (1) | | | $ | 148,267 | | | Marketable securities | | | | | | | | | U.S. treasury and agency securities | $ | 203,175 | | | $ | 630 | | | $ | (11) | | | $ | 203,794 | | | Commercial paper | 11,459 | | | 4 | | | (1) | | | 11,462 | | | Corporate debt securities | 802,261 | | | 3,800 | | | (112) | | | 805,949 | | | | | | | | | | | | | | | | | | | Total marketable securities | $ | 1,016,895 | | | $ | 4,434 | | | $ | (124) | | | $ | 1,021,205 | |
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| Schedule of Investments Classified by Contractual Maturity Date |
The contractual maturities of cash equivalents and marketable securities classified as available-for-sale are as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | As of September 30, 2026 | | As of December 31, 2025 | | Amortized
Cost | | Estimated
Fair Value | | Amortized
Cost | | Estimated
Fair Value | | Due within one year | $ | 541,689 | | | $ | 540,684 | | | $ | 463,417 | | | $ | 464,282 | | | Due after one year through five years | 810,027 | | | 797,844 | | | 701,746 | | | 705,190 | | Total available-for-sale securities | $ | 1,351,716 | | | $ | 1,338,528 | | | $ | 1,165,163 | | | $ | 1,169,472 | |
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