IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 923,152 Value ($000) $624,540 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 942,368 Value ($000) $602,069 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 957,091 Value ($000) $513,326 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 905,067 Value ($000) $380,083 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 912,874 Value ($000) $377,419 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 769,505 Value ($000) $388,769 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 815,420 Value ($000) $397,273 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 839,116 Value ($000) $453,064 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 862,595 Value ($000) $478,783 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 919,191 Value ($000) $401,935 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 853,300 Value ($000) $428,553 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 880,384 Value ($000) $440,262 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 873,927 Value ($000) $356,527 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 870,456 Value ($000) $283,594 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 901,744 Value ($000) $316,269 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 978,919 Value ($000) $535,528 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 981,397 Value ($000) $646,211 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 1,005,702 Value ($000) $625,445 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 970,910 Value ($000) $613,178 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 987,428 Value ($000) $483,157 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 1,019,665 Value ($000) $509,700 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 1,035,958 Value ($000) $407,247 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 1,036,612 Value ($000) $342,247 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 1,047,266 Value ($000) $253,689 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 1,042,912 Value ($000) $272,335 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 1,081,241 Value ($000) $294,021 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 1,079,474 Value ($000) $297,211 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 1,063,175 Value ($000) $237,726 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 1,056,136 Value ($000) $196,463 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 1,029,614 Value ($000) $257,053 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 1,033,997 Value ($000) $225,350 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 1,006,575 Value ($000) $192,650 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 1,024,937 Value ($000) $160,280 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 1,059,226 Value ($000) $164,700 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 991,772 Value ($000) $160,091 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 989,924 Value ($000) $153,053 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 931,270 Value ($000) $109,210 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 945,702 Value ($000) $106,609 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 933,244 Value ($000) $86,661 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 885,794 Value ($000) $68,606 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 906,531 Value ($000) $66,105 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 938,719 Value ($000) $69,700 Avg Close $71.63 Range $61.58 - $79.62

Q2 2015

Shares 728,938 Value ($000) $46,755 Avg Close $69.23 Range $61.37 - $82.24

Q1 2015

Shares 499,316 Value ($000) $77,134 Avg Close $77.81 Range $72.38 - $84.25

Q4 2014

Shares 500,636 Value ($000) $74,229 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 527,181 Value ($000) $62,118 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 431,833 Value ($000) $57,680 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 578,548 Value ($000) $70,236 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 428,055 Value ($000) $45,532 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 431,227 Value ($000) $42,972 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 439,981 Value ($000) $39,462 Avg Close $43.69 Range $40.78 - $46.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	923,152	$624,540	$681.02	$600.57 - $769.98
Q3 2025	942,368	$602,069	$606.98	$506.91 - $688.12
Q2 2025	957,091	$513,326	$478.19	$356.14 - $537.47
Q1 2025	905,067	$380,083	$434.21	$404.60 - $474.67
Q4 2024	912,874	$377,419	$438.63	$398.50 - $505.52
Q3 2024	769,505	$388,769	$485.80	$446.28 - $530.60
Q2 2024	815,420	$397,273	$502.03	$462.00 - $548.88
Q1 2024	839,116	$453,064	$546.49	$507.61 - $583.39
Q4 2023	862,595	$478,783	$469.47	$372.50 - $568.30
Q3 2023	919,191	$401,935	$498.67	$430.81 - $564.74
Q2 2023	853,300	$428,553	$479.21	$446.00 - $506.56
Q1 2023	880,384	$440,262	$478.56	$399.27 - $515.79
Q4 2022	873,927	$356,527	$388.17	$317.06 - $448.01
Q3 2022	870,456	$283,594	$367.34	$321.79 - $417.77
Q2 2022	901,744	$316,269	$407.78	$318.50 - $558.01
Q1 2022	978,919	$535,528	$526.03	$460.36 - $656.31
Q4 2021	981,397	$646,211	$627.75	$575.59 - $672.93
Q3 2021	1,005,702	$625,445	$671.94	$620.86 - $706.95
Q2 2021	970,910	$613,178	$552.18	$482.90 - $639.65
Q1 2021	987,428	$483,157	$501.01	$455.23 - $573.99
Q4 2020	1,019,665	$509,700	$447.44	$382.68 - $503.83
Q3 2020	1,035,958	$407,247	$369.71	$329.69 - $407.86
Q2 2020	1,036,612	$342,247	$289.54	$226.02 - $332.68
Q1 2020	1,047,266	$253,689	$260.97	$168.65 - $296.25
Q4 2019	1,042,912	$272,335	$263.51	$246.74 - $294.57
Q3 2019	1,081,241	$294,021	$278.27	$256.27 - $292.17
Q2 2019	1,079,474	$297,211	$246.39	$214.25 - $278.61
Q1 2019	1,063,175	$237,726	$206.43	$176.11 - $226.15
Q4 2018	1,056,136	$196,463	$205.02	$176.15 - $252.69
Q3 2018	1,029,614	$257,053	$242.74	$215.28 - $256.22
Q2 2018	1,033,997	$225,350	$206.05	$183.86 - $229.01
Q1 2018	1,006,575	$192,650	$184.56	$157.53 - $207.14
Q4 2017	1,024,937	$160,280	$157.41	$146.09 - $168.66
Q3 2017	1,059,226	$164,700	$158.10	$148.80 - $171.37
Q2 2017	991,772	$160,091	$162.40	$153.24 - $173.01
Q1 2017	989,924	$153,053	$137.84	$113.92 - $155.65
Q4 2016	931,270	$109,210	$114.12	$102.45 - $121.77
Q3 2016	945,702	$106,609	$105.39	$92.52 - $115.06
Q2 2016	933,244	$86,661	$85.88	$76.55 - $92.87
Q1 2016	885,794	$68,606	$72.01	$63.48 - $79.03
Q4 2015	906,531	$66,105	$71.33	$65.03 - $77.27
Q3 2015	938,719	$69,700	$71.63	$61.58 - $79.62
Q2 2015	728,938	$46,755	$69.23	$61.37 - $82.24
Q1 2015	499,316	$77,134	$77.81	$72.38 - $84.25
Q4 2014	500,636	$74,229	$70.12	$57.56 - $76.94
Q3 2014	527,181	$62,118	$63.22	$56.74 - $70.00
Q2 2014	431,833	$57,680	$63.58	$57.92 - $68.06
Q1 2014	578,548	$70,236	$59.57	$52.32 - $64.64
Q4 2013	428,055	$45,532	$52.63	$49.56 - $56.55
Q3 2013	431,227	$42,972	$48.06	$43.99 - $50.19
Q2 2013	439,981	$39,462	$43.69	$40.78 - $46.30