XENON PHARMACEUTICALS INC

Ticker: XENE CUSIP: 98420N105 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q4 2025
Shares 612,032 Value ($000) $27,431 Avg Close $42.00 Range $37.23 - $46.60
Q3 2025
Shares 640,626 Value ($000) $25,721 Avg Close $35.22 Range $30.00 - $40.35
Q2 2025
Shares 657,165 Value ($000) $20,569 Avg Close $32.62 Range $26.74 - $39.01
Q1 2025
Shares 673,011 Value ($000) $23 Avg Close $37.97 Range $32.70 - $42.23
Q4 2024
Shares 687,145 Value ($000) $27 Avg Close $41.35 Range $37.34 - $46.00
Q3 2024
Shares 707,222 Value ($000) $28 Avg Close $40.32 Range $35.73 - $44.74
Q2 2024
Shares 660,258 Value ($000) $26 Avg Close $39.97 Range $35.53 - $44.37
Q1 2024
Shares 686,510 Value ($000) $30 Avg Close $46.00 Range $42.08 - $50.99
Q4 2023
Shares 708,295 Value ($000) $33 Avg Close $35.33 Range $27.98 - $47.00
Q3 2023
Shares 730,716 Value ($000) $25 Avg Close $37.40 Range $33.93 - $40.13
Q2 2023
Shares 753,526 Value ($000) $29 Avg Close $39.75 Range $33.60 - $43.75
Q1 2023
Shares 760,567 Value ($000) $27 Avg Close $36.94 Range $32.64 - $41.25
Q4 2022
Shares 677,165 Value ($000) $27 Avg Close $36.42 Range $31.79 - $40.06