Duolingo, Inc. (DUOL)
NASDAQ: DUOL · Real-Time Price · USD
276.93
-16.95 (-5.77%)
Oct 29, 2025, 3:18 PM EDT - Market open
Company Description
Duolingo, Inc. operates as a mobile learning platform in the United States, the United Kingdom, and internationally.
The company offers courses in 40 different languages, including Spanish, English, French, German, Italian, Portuguese, Japanese, and Chinese through its Duolingo app.
It also provides a digital English language proficiency assessment exam. The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.
Duolingo, Inc.
| Country | United States |
| Founded | 2011 |
| IPO Date | Jul 28, 2021 |
| Industry | Software - Application |
| Sector | Technology |
| Employees | 830 |
| CEO | Luis von Ahn Arellano |
Contact Details
Address: 5900 Penn Avenue Pittsburgh, Pennsylvania 15206 United States | |
| Phone | 412 567 6602 |
| Website | duolingo.com |
Stock Details
| Ticker Symbol | DUOL |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Share Class | Class A Shares |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| IPO Price | $102.00 |
| CIK Code | 0001562088 |
| CUSIP Number | 26603R106 |
| ISIN Number | US26603R1068 |
| Employer ID | 45-3055872 |
| SIC Code | 7372 |
Key Executives
| Name | Position |
|---|---|
| Luis von Ahn Arellano | Chief Executive Officer |
| Matthew Skaruppa | Chief Financial Officer |
| Deborah Belevan | Head of Investor Relations |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Oct 8, 2025 | 144 | Filing |
| Oct 6, 2025 | 144 | Filing |
| Aug 26, 2025 | 144 | Filing |
| Aug 26, 2025 | 144 | Filing |
| Aug 18, 2025 | 144 | Filing |
| Aug 15, 2025 | 144 | Filing |
| Aug 15, 2025 | 144 | Filing |
| Aug 15, 2025 | 144 | Filing |
| Aug 15, 2025 | 144 | Filing |
| Aug 13, 2025 | SCHEDULE 13G | Filing |