DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 10,013 Value ($000) $1,757 Avg Close $235.64 Range $166.27 - $353.00

Q3 2025

Shares 10,188 Value ($000) $3,279 Avg Close $334.45 Range $256.63 - $468.00

Q2 2025

Shares 10,087 Value ($000) $4,136 Avg Close $438.78 Range $274.97 - $544.93

Q1 2025

Shares 9,059 Value ($000) $2,813 Avg Close $342.01 Range $263.68 - $441.76

Q4 2024

Shares 8,370 Value ($000) $2,714 Avg Close $318.27 Range $273.06 - $378.48

Q3 2024

Shares 8,252 Value ($000) $2,327 Avg Close $205.07 Range $145.05 - $297.56

Q2 2024

Shares 8,198 Value ($000) $1,711 Avg Close $204.75 Range $171.93 - $251.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,013	$1,757	$235.64	$166.27 - $353.00
Q3 2025	10,188	$3,279	$334.45	$256.63 - $468.00
Q2 2025	10,087	$4,136	$438.78	$274.97 - $544.93
Q1 2025	9,059	$2,813	$342.01	$263.68 - $441.76
Q4 2024	8,370	$2,714	$318.27	$273.06 - $378.48
Q3 2024	8,252	$2,327	$205.07	$145.05 - $297.56
Q2 2024	8,198	$1,711	$204.75	$171.93 - $251.30