| Schedule of Cash Equivalents and Short and Long-Term Investments |
The following is a summary of the Company’s cash equivalents and short-term and long-term investments (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cash Equivalents | | Short-Term Investments | | Long-Term Investments | | Debt Securities | | | | | | | | | | | | | | | | Level 1 | | | | | | | | | | | | | | | | Money market funds | | $ | 1,010,307 | | | $ | — | | | $ | — | | | $ | 1,010,307 | | | $ | 1,010,307 | | | $ | — | | | $ | — | | | U.S. Treasury securities | | 2,550,720 | | | 7,543 | | | (41) | | | 2,558,222 | | | 3,290 | | | 1,427,150 | | | 1,127,782 | | | Subtotal | | 3,561,027 | | | 7,543 | | | (41) | | | 3,568,529 | | | 1,013,597 | | | 1,427,150 | | | 1,127,782 | | | Level 2 | | | | | | | | | | | | | | | | U.S. agency securities | | 542,151 | | | 145 | | | (183) | | | 542,113 | | | — | | | — | | | 542,113 | | | Commercial paper | | 325,261 | | | 9 | | | — | | | 325,270 | | | — | | | 325,270 | | | — | | | Corporate debt securities | | 910,836 | | | 5,508 | | | (130) | | | 916,214 | | | — | | | 93,516 | | | 822,698 | | | Subtotal | | 1,778,248 | | | 5,662 | | | (313) | | | 1,783,597 | | | — | | | 418,786 | | | 1,364,811 | | | Total Debt Securities | | $ | 5,339,275 | | | $ | 13,205 | | | $ | (354) | | | $ | 5,352,126 | | | $ | 1,013,597 | | | $ | 1,845,936 | | | $ | 2,492,593 | | | Equity Securities | | | | | | | | | | | | | | | | Level 1 | | | | | | | | | | | | | | | Mutual funds (1) | | | | | | | | $ | 3,887 | | | $ | — | | | $ | 3,887 | | | $ | — | | | Total Equity Securities | | | | | | | | $ | 3,887 | | | $ | — | | | $ | 3,887 | | | $ | — | | Total Cash Equivalents and Investments | | $ | 5,339,275 | | | $ | 13,205 | | | $ | (354) | | | $ | 5,356,013 | | | $ | 1,013,597 | | | $ | 1,849,823 | | | $ | 2,492,593 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2024 | | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | Cash Equivalents | | Short-Term Investments | | Long-Term Investments | | Debt Securities | | | | | | | | | | | | | | | | Level 1 | | | | | | | | | | | | | | | | Money market funds | | $ | 615,890 | | | $ | — | | | $ | — | | | $ | 615,890 | | | $ | 615,890 | | | $ | — | | | $ | — | | | U.S. Treasury securities | | 2,159,558 | | | 1,886 | | | (4,446) | | | 2,156,998 | | | — | | | 1,402,694 | | | 754,304 | | | Subtotal | | 2,775,448 | | 1,886 | | (4,446) | | | 2,772,888 | | 615,890 | | 1,402,694 | | 754,304 | | Level 2 | | | | | | | | | | | | | | | | U.S. agency securities | | 293,423 | | | 82 | | | (211) | | | 293,294 | | | — | | | 1 | | | 293,293 | | | Commercial paper | | 280,243 | | | — | | | (1) | | | 280,242 | | | 19,818 | | | 260,424 | | | — | | | Corporate debt securities | | 594,221 | | | 2,202 | | | (1,240) | | | 595,183 | | | — | | | 32,565 | | | 562,618 | | | Subtotal | | 1,167,887 | | | 2,284 | | | (1,452) | | | 1,168,719 | | | 19,818 | | | 292,990 | | | 855,911 | | | Total Debt Securities | | $ | 3,943,335 | | | $ | 4,170 | | | $ | (5,898) | | | $ | 3,941,607 | | | $ | 635,708 | | | $ | 1,695,684 | | | $ | 1,610,215 | | | Equity Securities | | | | | | | | | | | | | | | | Level 1 | | | | | | | | | | | | | | | Mutual funds (1) | | | | | | | | $ | 2,178 | | | $ | — | | | $ | 2,178 | | | $ | — | | | Total Equity Securities | | | | | | | | $ | 2,178 | | | $ | — | | | $ | 2,178 | | | $ | — | | Total Cash Equivalents and Investments | | $ | 3,943,335 | | | $ | 4,170 | | | $ | (5,898) | | | $ | 3,943,785 | | | $ | 635,708 | | | $ | 1,697,862 | | | $ | 1,610,215 | |
(1)The equity securities relate to the Company’s nonqualified deferred compensation plan and are held in a rabbi trust. Refer to Note 1, “Overview and Summary of Significant Accounting Policies”, section titled “Deferred Compensation Plan” to the notes to the consolidated financial statements for more information.
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| Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value |
The following table presents fair values and gross unrealized losses, aggregated by investment category and the length of time that individual securities have been in a continuous loss position (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | | Less Than 12 Months | | 12 Months or Greater | | Total | | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | U.S. Treasury securities | | $ | 120,509 | | | $ | (41) | | | $ | — | | | $ | — | | | $ | 120,509 | | | $ | (41) | | U.S. agency securities | | 218,506 | | | (183) | | | — | | | — | | | 218,506 | | | (183) | | | | | | | | | | | | | | | Corporate debt securities | | 115,243 | | | (130) | | | — | | | — | | | 115,243 | | | (130) | | Total | | $ | 454,258 | | | $ | (354) | | | $ | — | | | $ | — | | | $ | 454,258 | | | $ | (354) | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2024 | | | Less Than 12 Months | | 12 Months or Greater | | Total | | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | | Fair Value | | Unrealized Losses | U.S. Treasury securities | | $ | 638,363 | | | $ | (4,434) | | | $ | 25,891 | | | $ | (12) | | | $ | 664,254 | | | $ | (4,446) | | U.S. agency securities | | 102,229 | | | (211) | | | — | | | — | | | 102,229 | | | (211) | | Commercial paper | | 10,937 | | | (1) | | | — | | | — | | | 10,937 | | | (1) | | Corporate debt securities | | 256,629 | | | (1,233) | | | 3,041 | | | (7) | | | 259,670 | | | (1,240) | | Total | | $ | 1,008,158 | | | $ | (5,879) | | | $ | 28,932 | | | $ | (19) | | | $ | 1,037,090 | | | $ | (5,898) | |
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