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

Revenues %Chg

Revenues Common Size

Cost of Revenues

Cost of Revenues %Chg

Cost of Revenues Common Size

Gross Profit

Gross Profit %Chg

Gross Profit Common Size

Research and Development

Research and Development %Chg

Research and Development Common Size

Sales and Marketing

Sales and Marketing %Chg

Sales and Marketing Common Size

General and Administrative

General and Administrative %Chg

General and Administrative Common Size

Total Operating Expenses

Total Operating Expenses %Chg

Total Operating Expenses Common Size

Income from Operations

Income from Operations %Chg

Income from Operations Common Size

Other Income, Net of Other Expenses

Other Income, Net of Other Expenses %Chg

Other Income, Net of Other Expenses Common Size

Other Expense Income, Net

Other Expense Income, Net %Chg

Other Expense Income, Net Common Size

Income Before Interest Income and Income Taxes

Income Before Interest Income and Income Taxes %Chg

Income Before Interest Income and Income Taxes Common Size

Interest Income

Interest Income %Chg

Interest Income Common Size

Income Before Income Taxes

Income Before Income Taxes %Chg

Income Before Income Taxes Common Size

Provision for Income Taxes

Provision for Income Taxes %Chg

Provision for Income Taxes Common Size

Net Income and Comprehensive Income

Net Income and Comprehensive Income %Chg

Net Income and Comprehensive Income Common Size

Basic and Diluted Net Loss per Share Attributable to Common Shareholders

Basic and Diluted Net Loss per Share Attributable to Common Shareholders %Chg

Basic and Diluted Net Loss per Share Attributable to Common Shareholders Common Size

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

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

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

Total Revenues %Chg

Total Revenues Common Size

Cost of Sales

Cost of Sales %Chg

Cost of Sales Common Size

Gross Profit Margin

Gross Profit Margin %Chg

Gross Profit Margin Common Size

Selling, General & Administrative Expenses

Selling, General & Administrative Expenses %Chg

Selling, General & Administrative Expenses Common Size

Research & Development Expenses

Research & Development Expenses %Chg

Research & Development Expenses Common Size

Operating Profit

Operating Profit %Chg

Operating Profit Common Size

Operating Margin

Operating Margin %Chg

Operating Margin Common Size

Interest and Investment Income

Interest and Investment Income %Chg

Interest and Investment Income Common Size

Non-Operating Income

Non-Operating Income %Chg

Non-Operating Income Common Size

Total Non-Operating Income

Total Non-Operating Income %Chg

Total Non-Operating Income Common Size

Income Before Provision for Income Taxes

Income Before Provision for Income Taxes %Chg

Income Before Provision for Income Taxes Common Size

Consolidated Net Income

Consolidated Net Income %Chg

Consolidated Net Income Common Size

Net Income Attributable to Common Shareholders

Net Income Attributable to Common Shareholders %Chg

Net Income Attributable to Common Shareholders Common Size

Basic EPS

Basic EPS %Chg

Basic EPS Common Size

Diluted EPS

Diluted EPS %Chg

Diluted EPS Common Size

Basic Weighted Average Shares Outstanding

Basic Weighted Average Shares Outstanding %Chg

Basic Weighted Average Shares Outstanding Common Size

Total Shares Outstanding

Total Shares Outstanding %Chg

Total Shares Outstanding Common Size

Diluted Weighted Average Shares Outstanding

Diluted Weighted Average Shares Outstanding %Chg

Diluted Weighted Average Shares Outstanding Common Size

EBITDA

EBITDA %Chg

EBITDA Common Size

Effective Tax Rate

Effective Tax Rate %Chg

Effective Tax Rate Common Size

Revenue

EBIT

CapEx

Net Interest Income

Assets

Adjusted EBITDA

Adjusted Net Income

Net Revenue

Net Income

Average Assets

Adjusted EBIT

Adjusted Revenue

Adjusted EBT

Adjusted Funds From Operations

Income Statement	Sep '25	Jun '25	Mar '25	Dec '24	Sep '24	Jun '24
Total Revenues	271.7	252.3	230.7	209.6	192.6	178.3
Total Revenues %Chg	41.1%	41.5%	37.7%	38.8%	39.9%	40.6%
Revenues
Cost of Sales	74.8	69.7	66.6	58.9	52.2	47.3
Cost of Revenues
Gross Profit	196.9	182.6	164.1	150.6	140.4	131
Gross Profit
Gross Profit Margin	72.5%	72.4%	71.1%	71.9%	72.9%	73.4%
Selling, General & Administrative Expenses	79	75.5	70.1	70.3	64	57.1
Sales and Marketing
General and Administrative
Research & Development Expenses	82.7	73.7	70.4	66.4	62.9	55.1
Research and Development
Operating Profit	35.2	33.4	23.6	13.9	13.6	18.7
Income from Operations
Operating Margin	12.9%	13.2%	10.2%	6.6%	7%	10.5%
Interest and Investment Income	11.8	11.4	10.4	10.7	11.2	10.7
Interest Income
Non-Operating Income	-0.5	1.7	1	-2.2	0.6	-0.7
Other Expense Income, Net
Total Non-Operating Income	11.3	13.1	11.4	8.5	11.8	10
Income Before Provision for Income Taxes	46.4	46.5	35	22.4	25.4	28.7
Income Before Income Taxes
Provision for Income Taxes	-245.7	1.7	-0.1	8.4	2	4.4
Provision for Income Taxes
Consolidated Net Income	292.2	44.8	35.1	13.9	23.4	24.4
Net Income Attributable to Common Shareholders	292.2	44.8	35.1	13.9	23.4	24.4
Basic EPS	6.4	1	0.8	0.3	0.5	0.6
Diluted EPS	6	0.9	0.7	0.3	0.5	0.5
Basic Weighted Average Shares Outstanding	46	45.6	45.1	44.3	43.7	43.3
Total Shares Outstanding	46.1	45.8	45.4	44.9	43.9	43.5
Diluted Weighted Average Shares Outstanding	49.1	49	48.5	45.9	48	47.8
EBITDA	38.7	36.8	27.2	17.5	16.5	20.9
Effective Tax Rate	-529.1%	3.6%	-0.4%	37.8%	8%	15.2%