Duolingo, Inc. (DUOL)
Nasdaq: DUOL · Services-Prepackaged Software · Pittsburgh, PA · filing with the SEC since 2012
Grade7.0
◀ Past 5.7● Present 7.2▶ Future 7.8
Who owns Duolingo, Inc.
As filed with the SECHolders of 5% or more
5
Baillie Gifford & Co holds 11.3% of Class A Common Stock, as its SCHEDULE 13G/A filed Oct 20, 2026 says.
Directors and officers
15
report now, of 16 people on the record since 2021. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Baillie Gifford & Co
SCHEDULE 13G/A · filed Oct 20, 2026 · Class A Common Stock · 12.4% in Nov 4, 2025
Von Ahn Luis
SCHEDULE 13G/A · filed Aug 12, 2026 · Class A common stock, $0.0001 per share
Hacker Severin
SCHEDULE 13G/A · filed Apr 17, 2025 · Class A common stock, $0.0001 per share
AQR Capital Management, LLC
SCHEDULE 13G · filed Aug 12, 2026 · Class A common stock, $0.0001 per share
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
Durable Capital Partners LP
SCHEDULE 13G/A · filed May 15, 2025 · Class A common stock, $0.0001 per share · reported falling below 5%, from 6.1% in Feb 14, 2025
Fmr LLC
SCHEDULE 13G/A · filed May 6, 2026 · CLASS A COMMON STOCK · reported falling below 5%, from 7% in Aug 6, 2025
Capital World Investors
SCHEDULE 13G/A · filed May 14, 2026 · Common Stock · reported falling below 5%, from 6% in Aug 13, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What DUOL reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Business Acquisition
A company bought · acquisition · Jul 2025 · owns, named in the 10-K filed Feb 27, 2026
5 subsidiaries in 4 countries, from the list filed with the 10-K filed Feb 27, 2026.
Insider tradesForm 4
84sales
1purchases
79sales on a scheduled plan
7people selling
$46.8Msold, in dollars
$500,000bought, in dollars
Open-market trades on Form 4 from Nov 5, 2025 to Nov 5, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 5, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 33 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Von Ahn Luis | President & CEO, Co-Founder | 13 | $34.1M | 13 | 0 | $0 |
| Chen Stephen C. | General Counsel | 17 | $3.1M | 16 | 0 | $0 |
| Gordon William B | director | 14 | $2.8M | 14 | 0 | $0 |
| Glance Natalie | Chief Engineering Officer | 17 | $2.6M | 17 | 0 | $0 |
| Skaruppa Matthew | Chief Financial Officer | 11 | $1.7M | 11 | 0 | $0 |
| Hacker Severin | Chief Tech Officer, Co-Founder | 8 | $1.7M | 8 | 0 | $0 |
| Meese Robert | Chief Business Officer | 4 | $700,000 | 0 | 0 | $0 |
| Shelton James H | director | 0 | $0 | 0 | 1 | $500,000 |