IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

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

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

Q4 2025
Shares 6,212 Value ($000) $4,203 Avg Close $681.02 Range $600.57 - $769.98
Q3 2025
Shares 1,542 Value ($000) $985 Avg Close $606.98 Range $506.91 - $688.12
Q2 2025
Shares 599 Value ($000) $321 Avg Close $478.19 Range $356.14 - $537.47
Q1 2025
Shares 88 Value ($000) $37 Avg Close $434.21 Range $404.60 - $474.67
Q4 2024
Shares 5 Value ($000) $2 Avg Close $438.63 Range $398.50 - $505.52
Q3 2023
Shares 83 Value ($000) $36 Avg Close $498.67 Range $430.81 - $564.74
Q1 2022
Shares 3,784 Value ($000) $2,070 Avg Close $526.03 Range $460.36 - $656.31
Q4 2021
Shares 9,230 Value ($000) $6,078 Avg Close $627.75 Range $575.59 - $672.93
Q2 2017
Shares 400 Value ($000) $65 Avg Close $162.40 Range $153.24 - $173.01