Fair Value Measurements
The following table summarizes our cash equivalents and marketable securities measured at fair value and by level (as described in Note 2, Summary of Significant Accounting Policies) on a recurring basis as of December 31, 2025:
(In thousands)Level 1Level 2Level 3Total
Cash equivalents$47,496 $3,347 $— $50,843 
Total cash equivalents47,496 3,347 — 50,843 
Marketable securities:
Certificates of deposit— 751 — 751 
U.S. Treasuries— 296,213 — 296,213 
Government securities— 164,816 — 164,816 
Corporate debt securities— 613,528 — 613,528 
Total marketable securities— 1,075,308 — 1,075,308 
Total cash equivalents and marketable securities$47,496 $1,078,655 $— $1,126,151 
We had no financial assets or liabilities that were classified as Level 3 at any point during the year ended December 31, 2025.

Historical Timeline

Fiscal YearFiled
2025Feb 12, 2026Showing above
2024Feb 13, 2025
2023Feb 15, 2024
2022Feb 23, 2023
2021Feb 24, 2022
2020Feb 25, 2021
2019Feb 19, 2020
2018Feb 14, 2019
2017Feb 14, 2018

About Fair Value Disclosures

Fair value disclosures classify all assets and liabilities measured at fair value into a three-level hierarchy: Level 1 (quoted market prices), Level 2 (observable inputs like yield curves), and Level 3 (unobservable inputs requiring management estimates). The proportion of Level 3 assets directly reflects how much of the balance sheet depends on internal models rather than market evidence.

Key signals: a growing Level 3 balance relative to total fair-value assets increases valuation uncertainty and earnings volatility risk. Watch for transfers between levels — assets moving from Level 2 to Level 3 often signal deteriorating market liquidity. Unrealized gains and losses on Level 3 positions flow through earnings or other comprehensive income, so large swings deserve scrutiny. For financial institutions, examine the sensitivity disclosures that show how Level 3 valuations change under alternative assumptions. Compare the fair value of debt against its carrying amount to gauge hidden leverage.