XENON PHARMACEUTICALS INC

Ticker: XENE CUSIP: 98420N105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025
Shares 3,556 Value ($000) $143 Avg Close $35.22 Range $30.00 - $40.35
Q2 2025
Shares 4,653 Value ($000) $146 Avg Close $32.62 Range $26.74 - $39.01
Q3 2024
Shares 104 Value ($000) $4 Avg Close $40.32 Range $35.73 - $44.74
Q2 2024
Shares 4 Value ($000) $0 Avg Close $39.97 Range $35.53 - $44.37
Q3 2023
Shares 8,005 Value ($000) $273 Avg Close $37.40 Range $33.93 - $40.13
Q4 2022
Shares 6,552 Value ($000) $258 Avg Close $36.42 Range $31.79 - $40.06
Q3 2022
Shares 11,573 Value ($000) $418 Avg Close $35.95 Range $28.98 - $41.39
Q2 2022
Shares 8,760 Value ($000) $266 Avg Close $30.24 Range $24.94 - $35.69
Q1 2022
Shares 4,607 Value ($000) $141 Avg Close $29.94 Range $24.60 - $33.45
Q2 2021
Shares 890 Value ($000) $17 Avg Close $18.43 Range $16.30 - $21.52