IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q4 2025
Shares 28 Value ($000) $19 Avg Close $681.02 Range $600.57 - $769.98
Q3 2025
Shares 24 Value ($000) $15 Avg Close $606.98 Range $506.91 - $688.12
Q2 2025
Shares 36 Value ($000) $19 Avg Close $478.19 Range $356.14 - $537.47
Q3 2020
Shares 3 Value ($000) $1 Avg Close $369.71 Range $329.69 - $407.86
Q1 2020
Shares 3,055 Value ($000) $740 Avg Close $260.97 Range $168.65 - $296.25
Q4 2019
Shares 3,131 Value ($000) $818 Avg Close $263.51 Range $246.74 - $294.57
Q3 2019
Shares 1,470 Value ($000) $400 Avg Close $278.27 Range $256.27 - $292.17
Q1 2019
Shares 9,375 Value ($000) $2,096 Avg Close $206.43 Range $176.11 - $226.15
Q3 2018
Shares 6,500 Value ($000) $1,623 Avg Close $242.74 Range $215.28 - $256.22
Q2 2018
Shares 7,100 Value ($000) $1,547 Avg Close $206.05 Range $183.86 - $229.01
Q1 2018
Shares 4,600 Value ($000) $880 Avg Close $184.56 Range $157.53 - $207.14
Q4 2017
Shares 4,600 Value ($000) $719 Avg Close $157.41 Range $146.09 - $168.66
Q3 2017
Shares 4,600 Value ($000) $715 Avg Close $158.10 Range $148.80 - $171.37
Q2 2017
Shares 4,600 Value ($000) $743 Avg Close $162.40 Range $153.24 - $173.01
Q3 2015
Shares 948 Value ($000) $70 Avg Close $71.63 Range $61.58 - $79.62
Q2 2015
Shares 948 Value ($000) $61 Avg Close $69.23 Range $61.37 - $82.24
Q1 2015
Shares 474 Value ($000) $73 Avg Close $77.81 Range $72.38 - $84.25
Q4 2014
Shares 790 Value ($000) $117 Avg Close $70.12 Range $57.56 - $76.94
Q4 2013
Shares 2,603 Value ($000) $277 Avg Close $52.63 Range $49.56 - $56.55
Q3 2013
Shares 1,591 Value ($000) $159 Avg Close $48.06 Range $43.99 - $50.19
Q2 2013
Shares 1,611 Value ($000) $144 Avg Close $43.69 Range $40.78 - $46.30
Q1 2013
Shares 3,390 Value ($000) $313 Avg Close $46.76 Range $45.09 - $50.41
Q4 2012
Shares 221 Value ($000) $21 Avg Close — Range —
Q3 2012
Shares 72 Value ($000) $7 Avg Close — Range —