IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 21,936 Value ($000) $14,840 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 23,731 Value ($000) $15,161 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 23,663 Value ($000) $12,691 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 23,992 Value ($000) $10,075 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 23,343 Value ($000) $9,651 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 23,670 Value ($000) $11,959 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 24,088 Value ($000) $11,736 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 23,833 Value ($000) $12,868 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 23,356 Value ($000) $12,964 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 23,495 Value ($000) $10,274 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 23,717 Value ($000) $11,911 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 22,613 Value ($000) $11,308 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 22,685 Value ($000) $9,255 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 22,835 Value ($000) $7,440 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 23,113 Value ($000) $8,106 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 23,267 Value ($000) $12,728 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 23,301 Value ($000) $15,343 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 23,782 Value ($000) $14,790 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 23,934 Value ($000) $15,116 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 24,038 Value ($000) $11,762 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 24,541 Value ($000) $12,267 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 25,829 Value ($000) $10,154 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 20,045 Value ($000) $6,618 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 19,741 Value ($000) $4,782 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 35,037 Value ($000) $9,149 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 34,795 Value ($000) $9,462 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 35,441 Value ($000) $9,758 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 35,845 Value ($000) $8,015 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 37,771 Value ($000) $7,026 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 46,067 Value ($000) $11,501 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 47,742 Value ($000) $10,405 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 43,258 Value ($000) $8,279 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 44,058 Value ($000) $6,890 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 40,943 Value ($000) $6,366 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 21,893 Value ($000) $3,534 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 21,793 Value ($000) $3,369 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 34,634 Value ($000) $4,062 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 39,834 Value ($000) $4,490 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 39,834 Value ($000) $3,699 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 49,234 Value ($000) $3,856 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 47,134 Value ($000) $3,437 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 42,466 Value ($000) $3,153 Avg Close $71.63 Range $61.58 - $79.62

Q4 2014

Shares 28,183 Value ($000) $4,178 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 31,683 Value ($000) $3,733 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 33,683 Value ($000) $4,499 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 33,083 Value ($000) $4,016 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 36,683 Value ($000) $3,901 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 41,583 Value ($000) $4,143 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 41,683 Value ($000) $3,742 Avg Close $43.69 Range $40.78 - $46.30

Q1 2013

Shares 41,083 Value ($000) $3,795 Avg Close $46.76 Range $45.09 - $50.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21,936	$14,840	$681.02	$600.57 - $769.98
Q3 2025	23,731	$15,161	$606.98	$506.91 - $688.12
Q2 2025	23,663	$12,691	$478.19	$356.14 - $537.47
Q1 2025	23,992	$10,075	$434.21	$404.60 - $474.67
Q4 2024	23,343	$9,651	$438.63	$398.50 - $505.52
Q3 2024	23,670	$11,959	$485.80	$446.28 - $530.60
Q2 2024	24,088	$11,736	$502.03	$462.00 - $548.88
Q1 2024	23,833	$12,868	$546.49	$507.61 - $583.39
Q4 2023	23,356	$12,964	$469.47	$372.50 - $568.30
Q3 2023	23,495	$10,274	$498.67	$430.81 - $564.74
Q2 2023	23,717	$11,911	$479.21	$446.00 - $506.56
Q1 2023	22,613	$11,308	$478.56	$399.27 - $515.79
Q4 2022	22,685	$9,255	$388.17	$317.06 - $448.01
Q3 2022	22,835	$7,440	$367.34	$321.79 - $417.77
Q2 2022	23,113	$8,106	$407.78	$318.50 - $558.01
Q1 2022	23,267	$12,728	$526.03	$460.36 - $656.31
Q4 2021	23,301	$15,343	$627.75	$575.59 - $672.93
Q3 2021	23,782	$14,790	$671.94	$620.86 - $706.95
Q2 2021	23,934	$15,116	$552.18	$482.90 - $639.65
Q1 2021	24,038	$11,762	$501.01	$455.23 - $573.99
Q4 2020	24,541	$12,267	$447.44	$382.68 - $503.83
Q3 2020	25,829	$10,154	$369.71	$329.69 - $407.86
Q2 2020	20,045	$6,618	$289.54	$226.02 - $332.68
Q1 2020	19,741	$4,782	$260.97	$168.65 - $296.25
Q4 2019	35,037	$9,149	$263.51	$246.74 - $294.57
Q3 2019	34,795	$9,462	$278.27	$256.27 - $292.17
Q2 2019	35,441	$9,758	$246.39	$214.25 - $278.61
Q1 2019	35,845	$8,015	$206.43	$176.11 - $226.15
Q4 2018	37,771	$7,026	$205.02	$176.15 - $252.69
Q3 2018	46,067	$11,501	$242.74	$215.28 - $256.22
Q2 2018	47,742	$10,405	$206.05	$183.86 - $229.01
Q1 2018	43,258	$8,279	$184.56	$157.53 - $207.14
Q4 2017	44,058	$6,890	$157.41	$146.09 - $168.66
Q3 2017	40,943	$6,366	$158.10	$148.80 - $171.37
Q2 2017	21,893	$3,534	$162.40	$153.24 - $173.01
Q1 2017	21,793	$3,369	$137.84	$113.92 - $155.65
Q4 2016	34,634	$4,062	$114.12	$102.45 - $121.77
Q3 2016	39,834	$4,490	$105.39	$92.52 - $115.06
Q2 2016	39,834	$3,699	$85.88	$76.55 - $92.87
Q1 2016	49,234	$3,856	$72.01	$63.48 - $79.03
Q4 2015	47,134	$3,437	$71.33	$65.03 - $77.27
Q3 2015	42,466	$3,153	$71.63	$61.58 - $79.62
Q4 2014	28,183	$4,178	$70.12	$57.56 - $76.94
Q3 2014	31,683	$3,733	$63.22	$56.74 - $70.00
Q2 2014	33,683	$4,499	$63.58	$57.92 - $68.06
Q1 2014	33,083	$4,016	$59.57	$52.32 - $64.64
Q4 2013	36,683	$3,901	$52.63	$49.56 - $56.55
Q3 2013	41,583	$4,143	$48.06	$43.99 - $50.19
Q2 2013	41,683	$3,742	$43.69	$40.78 - $46.30
Q1 2013	41,083	$3,795	$46.76	$45.09 - $50.41