DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

Rafferty Asset Management, LLC's Holding History (CIK: 0001389426)

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

Q4 2025

Shares 1,949 Value ($000) $342 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 3,430 Value ($000) $1,104 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 2,306 Value ($000) $946 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 650 Value ($000) $202 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 866 Value ($000) $281 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 864 Value ($000) $244 Avg Close $205.07 Range $145.05 - $297.56

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,949	$342	$235.64	$166.27 - $353.00
Q3 2025	3,430	$1,104	$334.45	$256.63 - $468.00
Q2 2025	2,306	$946	$438.78	$274.97 - $544.93
Q1 2025	650	$202	$342.01	$263.68 - $441.76
Q4 2024	866	$281	$318.27	$273.06 - $378.48
Q3 2024	864	$244	$205.07	$145.05 - $297.56