DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q2 2025

Shares 1,975 Value ($000) $810 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 1,400 Value ($000) $435 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 1,400 Value ($000) $454 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 1,400 Value ($000) $395 Avg Close $205.07 Range $145.05 - $297.56

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,975	$810	$438.78	$274.97 - $544.93
Q1 2025	1,400	$435	$342.01	$263.68 - $441.76
Q4 2024	1,400	$454	$318.27	$273.06 - $378.48
Q3 2024	1,400	$395	$205.07	$145.05 - $297.56