IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

Assenagon Asset Management S.A.'s Holding History (CIK: 0001546007)

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

Q4 2025

Shares 75,609 Value ($000) $51,152 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 55,868 Value ($000) $35,694 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 62,731 Value ($000) $33,645 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 206,551 Value ($000) $86,741 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 435,049 Value ($000) $179,867 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 119,001 Value ($000) $60,122 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 83,251 Value ($000) $40,560 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 115,330 Value ($000) $62,270 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 43,593 Value ($000) $24,196 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 34,762 Value ($000) $15,200 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 23,658 Value ($000) $11,882 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 26,015 Value ($000) $13,010 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 9,882 Value ($000) $4 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 18,510 Value ($000) $6,031 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 386,753 Value ($000) $135,646 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 3,805 Value ($000) $2,082 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 90,764 Value ($000) $59,764 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 23,940 Value ($000) $14,888 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 30,302 Value ($000) $19,137 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 5,312 Value ($000) $2,599 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 20,290 Value ($000) $10,142 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 11,527 Value ($000) $4,531 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 5,091 Value ($000) $1,681 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 6,505 Value ($000) $1,576 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 19,397 Value ($000) $5,065 Avg Close $263.51 Range $246.74 - $294.57

Q4 2018

Shares 2,059 Value ($000) $383 Avg Close $205.02 Range $176.15 - $252.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,609	$51,152	$681.02	$600.57 - $769.98
Q3 2025	55,868	$35,694	$606.98	$506.91 - $688.12
Q2 2025	62,731	$33,645	$478.19	$356.14 - $537.47
Q1 2025	206,551	$86,741	$434.21	$404.60 - $474.67
Q4 2024	435,049	$179,867	$438.63	$398.50 - $505.52
Q3 2024	119,001	$60,122	$485.80	$446.28 - $530.60
Q2 2024	83,251	$40,560	$502.03	$462.00 - $548.88
Q1 2024	115,330	$62,270	$546.49	$507.61 - $583.39
Q4 2023	43,593	$24,196	$469.47	$372.50 - $568.30
Q3 2023	34,762	$15,200	$498.67	$430.81 - $564.74
Q2 2023	23,658	$11,882	$479.21	$446.00 - $506.56
Q1 2023	26,015	$13,010	$478.56	$399.27 - $515.79
Q4 2022	9,882	$4	$388.17	$317.06 - $448.01
Q3 2022	18,510	$6,031	$367.34	$321.79 - $417.77
Q2 2022	386,753	$135,646	$407.78	$318.50 - $558.01
Q1 2022	3,805	$2,082	$526.03	$460.36 - $656.31
Q4 2021	90,764	$59,764	$627.75	$575.59 - $672.93
Q3 2021	23,940	$14,888	$671.94	$620.86 - $706.95
Q2 2021	30,302	$19,137	$552.18	$482.90 - $639.65
Q1 2021	5,312	$2,599	$501.01	$455.23 - $573.99
Q4 2020	20,290	$10,142	$447.44	$382.68 - $503.83
Q3 2020	11,527	$4,531	$369.71	$329.69 - $407.86
Q2 2020	5,091	$1,681	$289.54	$226.02 - $332.68
Q1 2020	6,505	$1,576	$260.97	$168.65 - $296.25
Q4 2019	19,397	$5,065	$263.51	$246.74 - $294.57
Q4 2018	2,059	$383	$205.02	$176.15 - $252.69