IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q4 2025

Shares 133,804 Value ($000) $90,522 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 139,126 Value ($000) $88,886 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 121,101 Value ($000) $64,951 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 99,969 Value ($000) $41,982 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 120,276 Value ($000) $49,727 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 115,765 Value ($000) $59,246 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 128,806 Value ($000) $63,348 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 136,419 Value ($000) $73,669 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 153,043 Value ($000) $85,536 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 125,400 Value ($000) $64,331 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 83,451 Value ($000) $42,051 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 109,503 Value ($000) $54,804 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 107,395 Value ($000) $44,196 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 73,520 Value ($000) $25,158 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 106,269 Value ($000) $38,326 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 94,751 Value ($000) $52,169 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 110,488 Value ($000) $73,401 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 175,364 Value ($000) $111,208 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 142,100 Value ($000) $90,835 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 120,618 Value ($000) $60,267 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 127,248 Value ($000) $64,456 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 92,155 Value ($000) $35,416 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 121,766 Value ($000) $41,543 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 203,200 Value ($000) $48,707 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 194,333 Value ($000) $50,745 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 130,101 Value ($000) $35,378 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 142,403 Value ($000) $39,208 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 248,814 Value ($000) $55,634 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 277,408 Value ($000) $51,603 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 186,115 Value ($000) $46,466 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 168,633 Value ($000) $36,752 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 161,823 Value ($000) $30,971 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 377,944 Value ($000) $59,103 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 353,001 Value ($000) $54,886 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 353,008 Value ($000) $56,983 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 354,959 Value ($000) $54,879 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 257,000 Value ($000) $30,236 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 19,188 Value ($000) $2,163 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 12,561 Value ($000) $1,167 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 8,931 Value ($000) $700 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 9,908 Value ($000) $723 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 4,722 Value ($000) $351 Avg Close $71.63 Range $61.58 - $79.62

Q2 2015

Shares 5,072 Value ($000) $325 Avg Close $69.23 Range $61.37 - $82.24

Q1 2015

Shares 2,403 Value ($000) $371 Avg Close $77.81 Range $72.38 - $84.25

Q4 2014

Shares 2,381 Value ($000) $354 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 2,320 Value ($000) $273 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 3,332 Value ($000) $445 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 3,269 Value ($000) $398 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 1,930 Value ($000) $205 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 22,713 Value ($000) $2,263 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 22,636 Value ($000) $2,031 Avg Close $43.69 Range $40.78 - $46.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	133,804	$90,522	$681.02	$600.57 - $769.98
Q3 2025	139,126	$88,886	$606.98	$506.91 - $688.12
Q2 2025	121,101	$64,951	$478.19	$356.14 - $537.47
Q1 2025	99,969	$41,982	$434.21	$404.60 - $474.67
Q4 2024	120,276	$49,727	$438.63	$398.50 - $505.52
Q3 2024	115,765	$59,246	$485.80	$446.28 - $530.60
Q2 2024	128,806	$63,348	$502.03	$462.00 - $548.88
Q1 2024	136,419	$73,669	$546.49	$507.61 - $583.39
Q4 2023	153,043	$85,536	$469.47	$372.50 - $568.30
Q3 2023	125,400	$64,331	$498.67	$430.81 - $564.74
Q2 2023	83,451	$42,051	$479.21	$446.00 - $506.56
Q1 2023	109,503	$54,804	$478.56	$399.27 - $515.79
Q4 2022	107,395	$44,196	$388.17	$317.06 - $448.01
Q3 2022	73,520	$25,158	$367.34	$321.79 - $417.77
Q2 2022	106,269	$38,326	$407.78	$318.50 - $558.01
Q1 2022	94,751	$52,169	$526.03	$460.36 - $656.31
Q4 2021	110,488	$73,401	$627.75	$575.59 - $672.93
Q3 2021	175,364	$111,208	$671.94	$620.86 - $706.95
Q2 2021	142,100	$90,835	$552.18	$482.90 - $639.65
Q1 2021	120,618	$60,267	$501.01	$455.23 - $573.99
Q4 2020	127,248	$64,456	$447.44	$382.68 - $503.83
Q3 2020	92,155	$35,416	$369.71	$329.69 - $407.86
Q2 2020	121,766	$41,543	$289.54	$226.02 - $332.68
Q1 2020	203,200	$48,707	$260.97	$168.65 - $296.25
Q4 2019	194,333	$50,745	$263.51	$246.74 - $294.57
Q3 2019	130,101	$35,378	$278.27	$256.27 - $292.17
Q2 2019	142,403	$39,208	$246.39	$214.25 - $278.61
Q1 2019	248,814	$55,634	$206.43	$176.11 - $226.15
Q4 2018	277,408	$51,603	$205.02	$176.15 - $252.69
Q3 2018	186,115	$46,466	$242.74	$215.28 - $256.22
Q2 2018	168,633	$36,752	$206.05	$183.86 - $229.01
Q1 2018	161,823	$30,971	$184.56	$157.53 - $207.14
Q4 2017	377,944	$59,103	$157.41	$146.09 - $168.66
Q3 2017	353,001	$54,886	$158.10	$148.80 - $171.37
Q2 2017	353,008	$56,983	$162.40	$153.24 - $173.01
Q1 2017	354,959	$54,879	$137.84	$113.92 - $155.65
Q4 2016	257,000	$30,236	$114.12	$102.45 - $121.77
Q3 2016	19,188	$2,163	$105.39	$92.52 - $115.06
Q2 2016	12,561	$1,167	$85.88	$76.55 - $92.87
Q1 2016	8,931	$700	$72.01	$63.48 - $79.03
Q4 2015	9,908	$723	$71.33	$65.03 - $77.27
Q3 2015	4,722	$351	$71.63	$61.58 - $79.62
Q2 2015	5,072	$325	$69.23	$61.37 - $82.24
Q1 2015	2,403	$371	$77.81	$72.38 - $84.25
Q4 2014	2,381	$354	$70.12	$57.56 - $76.94
Q3 2014	2,320	$273	$63.22	$56.74 - $70.00
Q2 2014	3,332	$445	$63.58	$57.92 - $68.06
Q1 2014	3,269	$398	$59.57	$52.32 - $64.64
Q4 2013	1,930	$205	$52.63	$49.56 - $56.55
Q3 2013	22,713	$2,263	$48.06	$43.99 - $50.19
Q2 2013	22,636	$2,031	$43.69	$40.78 - $46.30