DUOLINGO INC

Ticker: DUOL CUSIP: 26603R106 Class: EQTY

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025
Shares 8 Value ($000) $1 Avg Close $235.64 Range $166.27 - $353.00
Q3 2025
Shares 8 Value ($000) $3 Avg Close $334.45 Range $256.63 - $468.00
Q2 2025
Shares 8 Value ($000) $3 Avg Close $438.78 Range $274.97 - $544.93
Q1 2023
Shares 590 Value ($000) $84 Avg Close $102.70 Range $68.93 - $146.40
Q4 2022
Shares 590 Value ($000) $42 Avg Close $78.08 Range $64.73 - $105.73
Q3 2022
Shares 970 Value ($000) $92 Avg Close $97.34 Range $87.14 - $113.36