DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

Quantitative Investment Management, LLC's Holding History (CIK: 0001445911)

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

Q4 2025

Shares 8,033 Value ($000) $1 Avg Close $235.64 Range $166.27 - $353.00

Q2 2025

Shares 6,989 Value ($000) $3 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 971 Value ($000) $0 Avg Close $342.01 Range $263.68 - $441.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,033	$1	$235.64	$166.27 - $353.00
Q2 2025	6,989	$3	$438.78	$274.97 - $544.93
Q1 2025	971	$0	$342.01	$263.68 - $441.76