DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

Sterling Capital Management LLC's Holding History (CIK: 0001329883)

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

Q4 2025

Shares 272 Value ($000) $48 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 57 Value ($000) $18 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 57 Value ($000) $23 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 125 Value ($000) $39 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 596 Value ($000) $193 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 667 Value ($000) $188 Avg Close $205.07 Range $145.05 - $297.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	272	$48	$235.64	$166.27 - $353.00
Q3 2025	57	$18	$334.45	$256.63 - $468.00
Q2 2025	57	$23	$438.78	$274.97 - $544.93
Q1 2025	125	$39	$342.01	$263.68 - $441.76
Q4 2024	596	$193	$318.27	$273.06 - $378.48
Q3 2024	667	$188	$205.07	$145.05 - $297.56