DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 36,285 Value ($000) $6 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 36,823 Value ($000) $12 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 35,338 Value ($000) $14 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 31,215 Value ($000) $10 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 29,716 Value ($000) $10 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 27,465 Value ($000) $8 Avg Close $205.07 Range $145.05 - $297.56

Q2 2024

Shares 27,059 Value ($000) $6 Avg Close $204.75 Range $171.93 - $251.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,285	$6	$235.64	$166.27 - $353.00
Q3 2025	36,823	$12	$334.45	$256.63 - $468.00
Q2 2025	35,338	$14	$438.78	$274.97 - $544.93
Q1 2025	31,215	$10	$342.01	$263.68 - $441.76
Q4 2024	29,716	$10	$318.27	$273.06 - $378.48
Q3 2024	27,465	$8	$205.07	$145.05 - $297.56
Q2 2024	27,059	$6	$204.75	$171.93 - $251.30