IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 66,569 Value ($000) $45 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 67,349 Value ($000) $43 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 67,617 Value ($000) $36 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 67,520 Value ($000) $28 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 72,162 Value ($000) $30 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 76,435 Value ($000) $39 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 80,798 Value ($000) $39 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 84,406 Value ($000) $46 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 85,725 Value ($000) $48 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 89,489 Value ($000) $39 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 92,372 Value ($000) $46 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 96,120 Value ($000) $48 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 97,108 Value ($000) $40 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 101,214 Value ($000) $32,976 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 110,170 Value ($000) $38,640 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 110,223 Value ($000) $60,299 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 111,109 Value ($000) $73,161 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 110,924 Value ($000) $68,984 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 112,296 Value ($000) $70,921 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 116,805 Value ($000) $57,154 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 125,106 Value ($000) $62,537 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 129,590 Value ($000) $50,943 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 134,983 Value ($000) $44,566 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 138,036 Value ($000) $33,438 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 145,036 Value ($000) $37,873 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 144,405 Value ($000) $39,268 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 141,099 Value ($000) $38,849 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 145,934 Value ($000) $32,631 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 146,649 Value ($000) $27,280 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 149,971 Value ($000) $37,442 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 152,671 Value ($000) $33,273 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 159,508 Value ($000) $30,528 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 169,414 Value ($000) $26,493 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 171,317 Value ($000) $26,638 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 171,570 Value ($000) $27,695 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 158,062 Value ($000) $24,438 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 158,706 Value ($000) $18,611 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 168,706 Value ($000) $19,018 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 175,206 Value ($000) $16,270 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 166,706 Value ($000) $13,056 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 166,706 Value ($000) $12,156 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 166,106 Value ($000) $12,333 Avg Close $71.63 Range $61.58 - $79.62

Q2 2015

Shares 165,506 Value ($000) $10,616 Avg Close $69.23 Range $61.37 - $82.24

Q1 2015

Shares 86,003 Value ($000) $13,286 Avg Close $77.81 Range $72.38 - $84.25

Q4 2014

Shares 86,703 Value ($000) $12,855 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 92,603 Value ($000) $10,911 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 93,103 Value ($000) $12,436 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 94,003 Value ($000) $11,412 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 95,203 Value ($000) $10,127 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 105,103 Value ($000) $10,474 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 108,103 Value ($000) $9,696 Avg Close $43.69 Range $40.78 - $46.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	66,569	$45	$681.02	$600.57 - $769.98
Q3 2025	67,349	$43	$606.98	$506.91 - $688.12
Q2 2025	67,617	$36	$478.19	$356.14 - $537.47
Q1 2025	67,520	$28	$434.21	$404.60 - $474.67
Q4 2024	72,162	$30	$438.63	$398.50 - $505.52
Q3 2024	76,435	$39	$485.80	$446.28 - $530.60
Q2 2024	80,798	$39	$502.03	$462.00 - $548.88
Q1 2024	84,406	$46	$546.49	$507.61 - $583.39
Q4 2023	85,725	$48	$469.47	$372.50 - $568.30
Q3 2023	89,489	$39	$498.67	$430.81 - $564.74
Q2 2023	92,372	$46	$479.21	$446.00 - $506.56
Q1 2023	96,120	$48	$478.56	$399.27 - $515.79
Q4 2022	97,108	$40	$388.17	$317.06 - $448.01
Q3 2022	101,214	$32,976	$367.34	$321.79 - $417.77
Q2 2022	110,170	$38,640	$407.78	$318.50 - $558.01
Q1 2022	110,223	$60,299	$526.03	$460.36 - $656.31
Q4 2021	111,109	$73,161	$627.75	$575.59 - $672.93
Q3 2021	110,924	$68,984	$671.94	$620.86 - $706.95
Q2 2021	112,296	$70,921	$552.18	$482.90 - $639.65
Q1 2021	116,805	$57,154	$501.01	$455.23 - $573.99
Q4 2020	125,106	$62,537	$447.44	$382.68 - $503.83
Q3 2020	129,590	$50,943	$369.71	$329.69 - $407.86
Q2 2020	134,983	$44,566	$289.54	$226.02 - $332.68
Q1 2020	138,036	$33,438	$260.97	$168.65 - $296.25
Q4 2019	145,036	$37,873	$263.51	$246.74 - $294.57
Q3 2019	144,405	$39,268	$278.27	$256.27 - $292.17
Q2 2019	141,099	$38,849	$246.39	$214.25 - $278.61
Q1 2019	145,934	$32,631	$206.43	$176.11 - $226.15
Q4 2018	146,649	$27,280	$205.02	$176.15 - $252.69
Q3 2018	149,971	$37,442	$242.74	$215.28 - $256.22
Q2 2018	152,671	$33,273	$206.05	$183.86 - $229.01
Q1 2018	159,508	$30,528	$184.56	$157.53 - $207.14
Q4 2017	169,414	$26,493	$157.41	$146.09 - $168.66
Q3 2017	171,317	$26,638	$158.10	$148.80 - $171.37
Q2 2017	171,570	$27,695	$162.40	$153.24 - $173.01
Q1 2017	158,062	$24,438	$137.84	$113.92 - $155.65
Q4 2016	158,706	$18,611	$114.12	$102.45 - $121.77
Q3 2016	168,706	$19,018	$105.39	$92.52 - $115.06
Q2 2016	175,206	$16,270	$85.88	$76.55 - $92.87
Q1 2016	166,706	$13,056	$72.01	$63.48 - $79.03
Q4 2015	166,706	$12,156	$71.33	$65.03 - $77.27
Q3 2015	166,106	$12,333	$71.63	$61.58 - $79.62
Q2 2015	165,506	$10,616	$69.23	$61.37 - $82.24
Q1 2015	86,003	$13,286	$77.81	$72.38 - $84.25
Q4 2014	86,703	$12,855	$70.12	$57.56 - $76.94
Q3 2014	92,603	$10,911	$63.22	$56.74 - $70.00
Q2 2014	93,103	$12,436	$63.58	$57.92 - $68.06
Q1 2014	94,003	$11,412	$59.57	$52.32 - $64.64
Q4 2013	95,203	$10,127	$52.63	$49.56 - $56.55
Q3 2013	105,103	$10,474	$48.06	$43.99 - $50.19
Q2 2013	108,103	$9,696	$43.69	$40.78 - $46.30