DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q2 2025

Shares 90,087 Value ($000) $36,937 Avg Close $438.78 Range $274.97 - $544.93

Q4 2023

Shares 17,233 Value ($000) $4 Avg Close $194.44 Range $140.16 - $245.87

Q2 2023

Shares 16,111 Value ($000) $2 Avg Close $143.30 Range $116.82 - $168.40

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	90,087	$36,937	$438.78	$274.97 - $544.93
Q4 2023	17,233	$4	$194.44	$140.16 - $245.87
Q2 2023	16,111	$2	$143.30	$116.82 - $168.40