Duolingo, Inc. develops a language-learning website and mobile app in the United States and China. The company offers courses in 40 different languages, including Spanish, English, French, Japanese, German, Italian, Chinese, Portuguese, and others. It also provides a digital language proficiency assessment exam. The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.

Duolingo, Inc.

Revenues

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Other Income

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Income Before Interest Income and Income Taxes

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Interest Income

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Net Income and Comprehensive Income

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Net Income per Share Attributable to Class a and Class B Common Stockholders, Basic

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Net Income per Share Attributable to Class a and Class B Common Stockholders, Basic Common Size

Net Income per Share Attributable to Class a and Class B Common Stockholders, Diluted

Net Income per Share Attributable to Class a and Class B Common Stockholders, Diluted %Chg

Net Income per Share Attributable to Class a and Class B Common Stockholders, Diluted Common Size

Total Revenues

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Cost of Sales

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Research & Development Expenses

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Operating Profit

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Consolidated Net Income

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Net Income Attributable to Common Shareholders

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Basic EPS

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EBITDA

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Revenue

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Income Statement	Jun '25	Dec '24	Jun '24
Total Revenues	483	402.1	345.9
Total Revenues %Chg	39.6%	39.3%	42.6%
Revenues
Cost of Sales	136.3	111.1	92.5
Cost of Revenues
Gross Profit	346.7	291	253.3
Gross Profit
Gross Profit Margin	71.8%	72.4%	73.2%
Selling, General & Administrative Expenses	145.7	134.3	112.2
Sales and Marketing
General and Administrative
Research & Development Expenses	144.1	129.3	106
Research and Development
Operating Profit	57	27.5	35.1
Income from Operations
Operating Margin	11.8%	6.8%	10.2%
Interest and Investment Income	21.8	21.9	20.8
Interest Income
Non-Operating Income	2.7	-1.7	-1.3
Other Expense Income, Net
Total Non-Operating Income	24.5	20.3	19.4
Income Before Provision for Income Taxes	81.5	47.7	54.6
Income Before Income Taxes
Provision for Income Taxes	1.5	10.5	3.3
Provision for Income Taxes
Consolidated Net Income	79.9	37.3	51.3
Net Income Attributable to Common Shareholders	79.9	37.3	51.3
Basic EPS	1.8	0.9	1.2
Diluted EPS	1.6	0.8	1.1
Basic Weighted Average Shares Outstanding	45.4	44	43
Total Shares Outstanding	45.8	44.9	43.5
Diluted Weighted Average Shares Outstanding	48.8	46.7	47.5
EBITDA	64	34	39.5
Effective Tax Rate	1.9%	21.9%	6%