IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 4,277 Value ($000) $2,894 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 4,215 Value ($000) $2,693 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 4,443 Value ($000) $2,383 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 2,567 Value ($000) $1,078 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 2,544 Value ($000) $1,052 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 2,561 Value ($000) $1,294 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 2,576 Value ($000) $1,255 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 2,688 Value ($000) $1,451 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 3,183 Value ($000) $1,767 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 4,554 Value ($000) $1,991 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 5,875 Value ($000) $2,951 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 2,788 Value ($000) $1,394 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 2,866 Value ($000) $1,169 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 2,945 Value ($000) $959 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 3,120 Value ($000) $1,094 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 3,195 Value ($000) $1,748 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 6,573 Value ($000) $4,328 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 6,587 Value ($000) $4,096 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 6,603 Value ($000) $4,170 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 7,498 Value ($000) $3,669 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 12,121 Value ($000) $6,059 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 12,372 Value ($000) $4,864 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 9,746 Value ($000) $3,218 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 9,741 Value ($000) $2,360 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 9,540 Value ($000) $2,491 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 9,960 Value ($000) $2,709 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 9,960 Value ($000) $2,742 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 10,967 Value ($000) $2,452 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 11,136 Value ($000) $2,072 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 13,766 Value ($000) $3,437 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 13,624 Value ($000) $2,969 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 3,506 Value ($000) $671 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 3,512 Value ($000) $549 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 4,639 Value ($000) $721 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 52,778 Value ($000) $8,519 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 44,269 Value ($000) $6,844 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 38,413 Value ($000) $4,505 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 38,129 Value ($000) $4,298 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 42,356 Value ($000) $3,933 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 11,351 Value ($000) $889 Avg Close $72.01 Range $63.48 - $79.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,277	$2,894	$681.02	$600.57 - $769.98
Q3 2025	4,215	$2,693	$606.98	$506.91 - $688.12
Q2 2025	4,443	$2,383	$478.19	$356.14 - $537.47
Q1 2025	2,567	$1,078	$434.21	$404.60 - $474.67
Q4 2024	2,544	$1,052	$438.63	$398.50 - $505.52
Q3 2024	2,561	$1,294	$485.80	$446.28 - $530.60
Q2 2024	2,576	$1,255	$502.03	$462.00 - $548.88
Q1 2024	2,688	$1,451	$546.49	$507.61 - $583.39
Q4 2023	3,183	$1,767	$469.47	$372.50 - $568.30
Q3 2023	4,554	$1,991	$498.67	$430.81 - $564.74
Q2 2023	5,875	$2,951	$479.21	$446.00 - $506.56
Q1 2023	2,788	$1,394	$478.56	$399.27 - $515.79
Q4 2022	2,866	$1,169	$388.17	$317.06 - $448.01
Q3 2022	2,945	$959	$367.34	$321.79 - $417.77
Q2 2022	3,120	$1,094	$407.78	$318.50 - $558.01
Q1 2022	3,195	$1,748	$526.03	$460.36 - $656.31
Q4 2021	6,573	$4,328	$627.75	$575.59 - $672.93
Q3 2021	6,587	$4,096	$671.94	$620.86 - $706.95
Q2 2021	6,603	$4,170	$552.18	$482.90 - $639.65
Q1 2021	7,498	$3,669	$501.01	$455.23 - $573.99
Q4 2020	12,121	$6,059	$447.44	$382.68 - $503.83
Q3 2020	12,372	$4,864	$369.71	$329.69 - $407.86
Q2 2020	9,746	$3,218	$289.54	$226.02 - $332.68
Q1 2020	9,741	$2,360	$260.97	$168.65 - $296.25
Q4 2019	9,540	$2,491	$263.51	$246.74 - $294.57
Q3 2019	9,960	$2,709	$278.27	$256.27 - $292.17
Q2 2019	9,960	$2,742	$246.39	$214.25 - $278.61
Q1 2019	10,967	$2,452	$206.43	$176.11 - $226.15
Q4 2018	11,136	$2,072	$205.02	$176.15 - $252.69
Q3 2018	13,766	$3,437	$242.74	$215.28 - $256.22
Q2 2018	13,624	$2,969	$206.05	$183.86 - $229.01
Q1 2018	3,506	$671	$184.56	$157.53 - $207.14
Q4 2017	3,512	$549	$157.41	$146.09 - $168.66
Q3 2017	4,639	$721	$158.10	$148.80 - $171.37
Q2 2017	52,778	$8,519	$162.40	$153.24 - $173.01
Q1 2017	44,269	$6,844	$137.84	$113.92 - $155.65
Q4 2016	38,413	$4,505	$114.12	$102.45 - $121.77
Q3 2016	38,129	$4,298	$105.39	$92.52 - $115.06
Q2 2016	42,356	$3,933	$85.88	$76.55 - $92.87
Q1 2016	11,351	$889	$72.01	$63.48 - $79.03