IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q4 2025

Shares 65,734 Value ($000) $44,471 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 35,466 Value ($000) $22,659 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 33,122 Value ($000) $17,765 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 64,200 Value ($000) $26,961 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 27,037 Value ($000) $11 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 39,136 Value ($000) $20 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 50,352 Value ($000) $25 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 54,618 Value ($000) $29 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 27,200 Value ($000) $15 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 34,894 Value ($000) $15 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 30,563 Value ($000) $15 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 41,647 Value ($000) $21 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 17,880 Value ($000) $7 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 19,373 Value ($000) $6,312 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 23,744 Value ($000) $8,328 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 41,378 Value ($000) $22,636 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 51,894 Value ($000) $34,170 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 43,916 Value ($000) $27,311 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 34,703 Value ($000) $21,917 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 34,381 Value ($000) $16,823 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 33,891 Value ($000) $16,941 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 23,819 Value ($000) $9,363 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 32,951 Value ($000) $10,879 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 25,054 Value ($000) $6,069 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 4,765 Value ($000) $1,244 Avg Close $263.51 Range $246.74 - $294.57

Q2 2019

Shares 4,177 Value ($000) $1,150 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 26,632 Value ($000) $5,955 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 26,750 Value ($000) $4,976 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 34,531 Value ($000) $8,621 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 60,217 Value ($000) $13,124 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 52,350 Value ($000) $10,019 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 55,143 Value ($000) $8,623 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 23,141 Value ($000) $3,598 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 44,504 Value ($000) $7,184 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 80,362 Value ($000) $12,425 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 30,173 Value ($000) $3,538 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 3,514 Value ($000) $396 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 6,492 Value ($000) $603 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 11,161 Value ($000) $874 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 8,539 Value ($000) $623 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 11,468 Value ($000) $851 Avg Close $71.63 Range $61.58 - $79.62

Q2 2015

Shares 3,714 Value ($000) $238 Avg Close $69.23 Range $61.37 - $82.24

Q1 2015

Shares 2,165 Value ($000) $334 Avg Close $77.81 Range $72.38 - $84.25

Q4 2014

Shares 1,529 Value ($000) $227 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 1,851 Value ($000) $218 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 1,919 Value ($000) $256 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 1,919 Value ($000) $233 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 1,958 Value ($000) $208 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 7,035 Value ($000) $701 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 3,717 Value ($000) $334 Avg Close $43.69 Range $40.78 - $46.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	65,734	$44,471	$681.02	$600.57 - $769.98
Q3 2025	35,466	$22,659	$606.98	$506.91 - $688.12
Q2 2025	33,122	$17,765	$478.19	$356.14 - $537.47
Q1 2025	64,200	$26,961	$434.21	$404.60 - $474.67
Q4 2024	27,037	$11	$438.63	$398.50 - $505.52
Q3 2024	39,136	$20	$485.80	$446.28 - $530.60
Q2 2024	50,352	$25	$502.03	$462.00 - $548.88
Q1 2024	54,618	$29	$546.49	$507.61 - $583.39
Q4 2023	27,200	$15	$469.47	$372.50 - $568.30
Q3 2023	34,894	$15	$498.67	$430.81 - $564.74
Q2 2023	30,563	$15	$479.21	$446.00 - $506.56
Q1 2023	41,647	$21	$478.56	$399.27 - $515.79
Q4 2022	17,880	$7	$388.17	$317.06 - $448.01
Q3 2022	19,373	$6,312	$367.34	$321.79 - $417.77
Q2 2022	23,744	$8,328	$407.78	$318.50 - $558.01
Q1 2022	41,378	$22,636	$526.03	$460.36 - $656.31
Q4 2021	51,894	$34,170	$627.75	$575.59 - $672.93
Q3 2021	43,916	$27,311	$671.94	$620.86 - $706.95
Q2 2021	34,703	$21,917	$552.18	$482.90 - $639.65
Q1 2021	34,381	$16,823	$501.01	$455.23 - $573.99
Q4 2020	33,891	$16,941	$447.44	$382.68 - $503.83
Q3 2020	23,819	$9,363	$369.71	$329.69 - $407.86
Q2 2020	32,951	$10,879	$289.54	$226.02 - $332.68
Q1 2020	25,054	$6,069	$260.97	$168.65 - $296.25
Q4 2019	4,765	$1,244	$263.51	$246.74 - $294.57
Q2 2019	4,177	$1,150	$246.39	$214.25 - $278.61
Q1 2019	26,632	$5,955	$206.43	$176.11 - $226.15
Q4 2018	26,750	$4,976	$205.02	$176.15 - $252.69
Q3 2018	34,531	$8,621	$242.74	$215.28 - $256.22
Q2 2018	60,217	$13,124	$206.05	$183.86 - $229.01
Q1 2018	52,350	$10,019	$184.56	$157.53 - $207.14
Q4 2017	55,143	$8,623	$157.41	$146.09 - $168.66
Q3 2017	23,141	$3,598	$158.10	$148.80 - $171.37
Q2 2017	44,504	$7,184	$162.40	$153.24 - $173.01
Q1 2017	80,362	$12,425	$137.84	$113.92 - $155.65
Q4 2016	30,173	$3,538	$114.12	$102.45 - $121.77
Q3 2016	3,514	$396	$105.39	$92.52 - $115.06
Q2 2016	6,492	$603	$85.88	$76.55 - $92.87
Q1 2016	11,161	$874	$72.01	$63.48 - $79.03
Q4 2015	8,539	$623	$71.33	$65.03 - $77.27
Q3 2015	11,468	$851	$71.63	$61.58 - $79.62
Q2 2015	3,714	$238	$69.23	$61.37 - $82.24
Q1 2015	2,165	$334	$77.81	$72.38 - $84.25
Q4 2014	1,529	$227	$70.12	$57.56 - $76.94
Q3 2014	1,851	$218	$63.22	$56.74 - $70.00
Q2 2014	1,919	$256	$63.58	$57.92 - $68.06
Q1 2014	1,919	$233	$59.57	$52.32 - $64.64
Q4 2013	1,958	$208	$52.63	$49.56 - $56.55
Q3 2013	7,035	$701	$48.06	$43.99 - $50.19
Q2 2013	3,717	$334	$43.69	$40.78 - $46.30