Schedule of financial instruments measured at fair value |
The following table summarizes cash equivalents and marketable securities measured at fair value on a recurring basis as of September 30, 2020 (in thousands): | | | | | | | | | | | | | | | | | | Active | | Observable | | Unobservable | | | September 30, | | Markets | | Inputs | | Inputs | Description | | 2020 | | (Level 1) | | (Level 2) | | (Level 3) | Financial Assets | | | | | | | | | | | | | Cash equivalents: | | | | | | | | | | | | | Money market funds | | $ | 565,221 | | $ | 565,221 | | $ | — | | $ | — | U.S. treasury obligations | | | — | | | — | | | — | | | — | Investments, available-for-sale: | | | | | | | | | | | | | U.S. government agency securities | | | 643,938 | | | — | | | 643,938 | | | — | U.S. treasury obligations | | | 146,741 | | | 146,741 | | | — | | | — | Total | | $ | 1,355,900 | | $ | 711,962 | | $ | 643,938 | | $ | — |
The following table summarizes cash equivalents and marketable securities measured at fair value on a recurring basis as of December 31, 2019 (in thousands): | | | | | | | | | | | | | | | | | | Active | | Observable | | Unobservable | | | December 31, | | Markets | | Inputs | | Inputs | Description | | 2019 | | (Level 1) | | (Level 2) | | (Level 3) | Financial Assets | | | | | | | | | | | | | Cash equivalents: | | | | | | | | | | | | | Money market funds | | $ | 98,946 | | $ | 98,946 | | $ | — | | $ | — | U.S. treasury obligations | | | 14,992 | | | 14,992 | | | — | | | — | Investments, available-for-sale: | | | | | | | | | | | | | U.S. government agency securities | | | 128,312 | | | — | | | 128,312 | | | — | U.S. treasury obligations | | | 305,710 | | | 305,710 | | | — | | | — | Total | | $ | 547,960 | | $ | 419,648 | | $ | 128,312 | | $ | — |
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