Duolingo, Inc.DUOL
Duolingo, Inc. Fair Value Disclosure
FAIR VALUE
The Company accounts for certain assets and liabilities at fair value in accordance with the accounting guidance applicable to fair value measurements and disclosures. The carrying values of cash, cash
equivalents, accounts receivable, accounts payable, and accrued expenses are deemed to be reasonable estimates of their fair values because of their short-term nature.
The Company applies fair value accounting for all financial assets and liabilities and non-financial assets and liabilities that are recognized or disclosed at fair value in the financial statements on a recurring and non-recurring basis. The Company defines fair value as the price that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. When determining the fair value measurements for assets and liabilities, which are required to be recorded at fair value, the Company considers the principal or most advantageous market in which the Company would transact and the market-based risk measurements or assumptions that market participants would use in pricing the asset or liability, such as inherent risk, transfer restrictions, and credit risk.
The Company applies the following fair value hierarchy, which prioritizes the inputs used to measure fair value into three levels and bases the categorization within the hierarchy upon the lowest level of input that is available and significant to the fair value measurement:
Level 1—Observable inputs such as quoted prices in active markets for identical investments that the Company has the ability to access.
Level 2—Inputs include:
•Quoted prices for identical or similar assets or liabilities in active markets;
•Quoted prices for identical or similar assets or liabilities in inactive markets;
•Inputs, other than quoted prices in active markets, which are observable either directly or indirectly;
•Inputs that are derived principally from, or corroborated by, observable market data by correlation or other means.
Level 3—Unobservable inputs in which there is little or no market activity for the asset or liability, which require the reporting entity to develop its own estimates and assumptions relating to the pricing of the asset or liability including assumptions regarding risk.
The following table presents amortized cost, gross unrealized gains and losses, and fair value by major security type and balance sheet classification as of December 31, 2025 and December 31, 2024:
As of December 31, 2025 | |||||||||||||||||||||||||||||||||||||||||
| (In thousands) | Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value | Cash Equivalents | Short-Term Investments | Long-Term Investments | ||||||||||||||||||||||||||||||||||
| Cash | $ | — | $ | — | $ | — | $ | 155,840 | $ | 155,840 | $ | — | $ | — | |||||||||||||||||||||||||||
| Level 1 | |||||||||||||||||||||||||||||||||||||||||
| Commercial paper | $ | 4,318 | $ | — | $ | — | $ | 4,318 | $ | 1,993 | $ | 2,324 | $ | — | |||||||||||||||||||||||||||
| Money market funds | 878,556 | — | — | 878,556 | 878,556 | — | — | ||||||||||||||||||||||||||||||||||
| Subtotal | $ | 882,874 | $ | — | $ | — | $ | 882,874 | $ | 880,549 | $ | 2,324 | $ | — | |||||||||||||||||||||||||||
| Level 2 | |||||||||||||||||||||||||||||||||||||||||
| Asset-backed securities | $ | 26,794 | $ | 44 | $ | — | $ | 26,838 | $ | — | $ | 347 | $ | 26,447 | |||||||||||||||||||||||||||
| Corporate debt securities | 182,417 | 237 | (19) | 182,635 | — | 93,997 | 88,420 | ||||||||||||||||||||||||||||||||||
| U.S. Treasury securities | 26,241 | 154 | — | 26,395 | — | 7,410 | 18,831 | ||||||||||||||||||||||||||||||||||
| Subtotal | $ | 235,452 | $ | 435 | $ | (19) | $ | 235,868 | $ | — | $ | 101,754 | $ | 133,698 | |||||||||||||||||||||||||||
| Level 3 | |||||||||||||||||||||||||||||||||||||||||
| Investment in SAFE | $ | — | $ | — | $ | — | $ | 1,400 | $ | — | $ | — | $ | 1,400 | |||||||||||||||||||||||||||
| Subtotal | $ | — | $ | — | $ | — | $ | 1,400 | $ | — | $ | — | $ | 1,400 | |||||||||||||||||||||||||||
| Total | $ | 1,118,326 | $ | 435 | $ | (19) | $ | 1,275,982 | $ | 1,036,389 | $ | 104,078 | $ | 135,098 | |||||||||||||||||||||||||||
As of December 31, 2024 | |||||||||||||||||||||||||||||||||||||||||
| (In thousands) | Amortized Cost | Gross Unrealized Gains | Gross Unrealized Losses | Fair Value | Cash Equivalents | Short-Term Investments | Long-Term Investments | ||||||||||||||||||||||||||||||||||
| Cash | $ | — | $ | — | $ | — | $ | 73,351 | $ | 73,351 | $ | — | $ | — | |||||||||||||||||||||||||||
| Level 1 | |||||||||||||||||||||||||||||||||||||||||
| Commercial paper | $ | 15,659 | $ | 2 | $ | (1) | $ | 15,661 | $ | — | $ | 15,659 | $ | — | |||||||||||||||||||||||||||
| Money market funds | 712,440 | — | — | 712,440 | 712,440 | — | — | ||||||||||||||||||||||||||||||||||
| Subtotal | $ | 728,099 | $ | 2 | $ | (1) | $ | 728,101 | $ | 712,440 | $ | 15,659 | $ | — | |||||||||||||||||||||||||||
| Level 2 | |||||||||||||||||||||||||||||||||||||||||
| Asset-backed securities | $ | 16,280 | $ | 10 | $ | (1) | $ | 16,289 | $ | — | $ | 697 | $ | 15,583 | |||||||||||||||||||||||||||
| Certificates of deposit | 11,521 | — | (14) | 11,507 | — | 11,521 | — | ||||||||||||||||||||||||||||||||||
| Corporate debt securities | 126,031 | 7 | (494) | 125,543 | — | 55,013 | 71,018 | ||||||||||||||||||||||||||||||||||
| U.S. Treasury securities | 19,255 | 2 | (61) | 19,195 | — | 8,964 | 10,291 | ||||||||||||||||||||||||||||||||||
| Subtotal | $ | 173,087 | $ | 19 | $ | (570) | $ | 172,534 | $ | — | $ | 76,195 | $ | 96,892 | |||||||||||||||||||||||||||
| Level 3 | |||||||||||||||||||||||||||||||||||||||||
| Investment in SAFE | $ | — | $ | — | $ | — | $ | 1,400 | $ | — | $ | — | $ | 1,400 | |||||||||||||||||||||||||||
| Subtotal | $ | — | $ | — | $ | — | $ | 1,400 | $ | — | $ | — | $ | 1,400 | |||||||||||||||||||||||||||
| Total | $ | 901,186 | $ | 21 | $ | (571) | $ | 975,386 | $ | 785,791 | $ | 91,854 | $ | 98,292 | |||||||||||||||||||||||||||
As of December 31, 2025 and December 31, 2024, all of the Company’s short-term investments have contractual maturities of one year or less and all of the Company’s long-term investments have contractual maturities between and four years. The Company has elected to present accrued interest within in the Consolidated Balance Sheets. Accrued interest was $2,099 and $1,487 as of December 31, 2025 and December 31, 2024, respectively.
Changes in market interest rates, credit risk of borrowers and overall market liquidity, among other factors, may cause the short-term and long-term debt investments to fall below their amortized cost basis, resulting in unrealized losses. For those debt securities in an unrealized loss position as of December 31, 2025, the Company does not intend to sell, nor is it more likely than not that it will be required to sell, such securities before recovering the amortized cost basis. No allowance for credit losses were recognized in the financial statements for held-to-maturity debt securities for the periods ended December 31, 2025 and 2024.
Cash equivalents consist primarily of money market accounts with maturities of three months or less at the date of acquisition and are classified within Level 1.
The Company’s investments in corporate debt securities, U.S. Treasury securities, certificates of deposit, and asset-backed securities, which collectively are investments in held-to-maturity debt securities, are classified within Level 2, as their valuation requires quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and/or model-based valuation techniques for which all significant inputs are observable in the market or can be corroborated by observable market data.Free Sentinel
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Historical Timeline
| Fiscal Year | Filed | |
|---|---|---|
| 2025 | Feb 27, 2026 | Showing above |
| 2024 | Feb 28, 2025 | |
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.