DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025
Shares 34,020 Value ($000) $5,971 Avg Close $235.64 Range $166.27 - $353.00
Q3 2025
Shares 33,639 Value ($000) $10,826 Avg Close $334.45 Range $256.63 - $468.00
Q2 2025
Shares 33,320 Value ($000) $13,662 Avg Close $438.78 Range $274.97 - $544.93
Q1 2025
Shares 32,018 Value ($000) $9,943 Avg Close $342.01 Range $263.68 - $441.76
Q4 2024
Shares 31,778 Value ($000) $10,303 Avg Close $318.27 Range $273.06 - $378.48
Q3 2024
Shares 30,143 Value ($000) $8,501 Avg Close $205.07 Range $145.05 - $297.56
Q2 2024
Shares 30,853 Value ($000) $6,438 Avg Close $204.75 Range $171.93 - $251.30
Q1 2024
Shares 30,382 Value ($000) $6,702 Avg Close $203.74 Range $171.64 - $245.59
Q4 2023
Shares 31,654 Value ($000) $7,181 Avg Close $194.44 Range $140.16 - $245.87
Q3 2023
Shares 32,453 Value ($000) $5,383 Avg Close $147.08 Range $121.89 - $174.70
Q2 2023
Shares 32,219 Value ($000) $4,605 Avg Close $143.30 Range $116.82 - $168.40
Q1 2023
Shares 25,439 Value ($000) $3,627 Avg Close $102.70 Range $68.93 - $146.40
Q4 2022
Shares 25,380 Value ($000) $1,805 Avg Close $78.08 Range $64.73 - $105.73
Q3 2022
Shares 23,530 Value ($000) $2,241 Avg Close $97.34 Range $87.14 - $113.36
Q2 2022
Shares 17,800 Value ($000) $1,558 Avg Close $88.33 Range $60.50 - $106.43
Q1 2022
Shares 6,043 Value ($000) $575 Avg Close $90.31 Range $64.81 - $108.92
Q4 2021
Shares 5,444 Value ($000) $578 Avg Close $137.73 Range $94.50 - $191.82