$DUOL

$141.42 +$2.82 (2.03%) Live

$DUOL Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 40.6M shares outstanding

Who owns DUOL?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 239.9%

BlackRock, Inc. 44.1% · Baillie Gifford & Co 41.3%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

552

+63 vs last qtr

Net shares bought

+9.5M

by institutions in Q2 2026

New / sold out

132 / 69

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

T. Rowe Price Investment Management, Inc. +7.7M
Norges Bank NEW +3.1M

Biggest sellers in Q2 2026

Lynx1 Capital Management LP −1.9M
Vestal Point Capital, LP SOLD OUT −1.8M

Who is planning to sell?

Notices of proposed sale, last 12 months

$53.7M

33 notices from 8 people

Shares covered

364.3K

0.90% of the company

Arranged in advance

94%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Luis Von Ahn Arellano Director 10b5-1 $33.3M
Luis Von Ahn Foundation Director 10b5-1 $7.89M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2020–FY2025

+279.3%

+30.56% a year

Each share's claim on the business

−73.6%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$868K vs $475M

over 6 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years67% 3–5 years13% 1–3 years11% Under 1 year8%

Quarterly turnover

12.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting DUOL on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	17.9M	44.05%	+872.6K (+5.1%)	≤2021	0.0%
Shares held by quarter Peak holding17.9M (Q2'26) Change over 8 quarters+651.2K Share of the company44.050% BlackRock, Inc.'s full portfolio →
BG Baillie Gifford & Co	16.8M	41.32%	−157.8K (−0.9%)	≤2021	0.8%
Shares held by quarter Peak holding17.2M (Q4'25) Change over 8 quarters+237.7K Share of the company41.320% Baillie Gifford & Co's full portfolio →

BlackRock, Inc.

17.9M

% of company

44.05%

Change vs last qtr

+872.6K (+5.1%)

Held since

≤2021

Baillie Gifford & Co

16.8M

% of company

41.32%

Change vs last qtr

−157.8K (−0.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Duolingo, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting DUOL on Form N-PORT; together they hold 190.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$250M	5.5M	13.54%	0.01%	June 30, 2026
VS Vanguard Small-Cap Index Fund Vanguard Index Funds	$181M	4.0M	9.78%	0.10%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$250M

% of company

13.54%

% of the fund

0.01%

As of

June 30, 2026

Vanguard Small-Cap Index Fund

Vanguard Index Funds

Position value

$181M

% of company

9.78%

% of the fund

0.10%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Duolingo, Inc. and how much of the fund the position is.

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