IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2025

Shares 52,047 Value ($000) $35,211 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 35,670 Value ($000) $22,789 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 59,201 Value ($000) $31,752 Avg Close $478.19 Range $356.14 - $537.47

Q4 2024

Shares 28,967 Value ($000) $11,976 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 33,945 Value ($000) $17,150 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 52,878 Value ($000) $25,762 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 56,767 Value ($000) $30,650 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 70,701 Value ($000) $39,243 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 108,756 Value ($000) $47,556 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 82,701 Value ($000) $41,535 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 82,901 Value ($000) $41,457 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 84,201 Value ($000) $34,351 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 84,801 Value ($000) $27,628 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 72,501 Value ($000) $25,428 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 88,501 Value ($000) $48,415 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 150,401 Value ($000) $99,033 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 91,601 Value ($000) $56,967 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 92,789 Value ($000) $58,601 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 94,089 Value ($000) $46,039 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 94,889 Value ($000) $47,432 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 95,198 Value ($000) $37,423 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 98,298 Value ($000) $32,454 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 73,130 Value ($000) $17,715 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 98,919 Value ($000) $25,831 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 104,619 Value ($000) $28,449 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 104,594 Value ($000) $28,798 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 167,200 Value ($000) $37,386 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 48,094 Value ($000) $8,946 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 186,943 Value ($000) $46,672 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 140,443 Value ($000) $30,608 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 37,157 Value ($000) $7,111 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 62,400 Value ($000) $9,758 Avg Close $157.41 Range $146.09 - $168.66

Q2 2017

Shares 110,300 Value ($000) $17,805 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 127,200 Value ($000) $19,666 Avg Close $137.84 Range $113.92 - $155.65

Q1 2015

Shares 60,000 Value ($000) $9,269 Avg Close $77.81 Range $72.38 - $84.25

Q4 2014

Shares 120,000 Value ($000) $17,792 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 200,000 Value ($000) $23,566 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 100,000 Value ($000) $13,357 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 30,000 Value ($000) $3,642 Avg Close $59.57 Range $52.32 - $64.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	52,047	$35,211	$681.02	$600.57 - $769.98
Q3 2025	35,670	$22,789	$606.98	$506.91 - $688.12
Q2 2025	59,201	$31,752	$478.19	$356.14 - $537.47
Q4 2024	28,967	$11,976	$438.63	$398.50 - $505.52
Q3 2024	33,945	$17,150	$485.80	$446.28 - $530.60
Q2 2024	52,878	$25,762	$502.03	$462.00 - $548.88
Q1 2024	56,767	$30,650	$546.49	$507.61 - $583.39
Q4 2023	70,701	$39,243	$469.47	$372.50 - $568.30
Q3 2023	108,756	$47,556	$498.67	$430.81 - $564.74
Q2 2023	82,701	$41,535	$479.21	$446.00 - $506.56
Q1 2023	82,901	$41,457	$478.56	$399.27 - $515.79
Q4 2022	84,201	$34,351	$388.17	$317.06 - $448.01
Q3 2022	84,801	$27,628	$367.34	$321.79 - $417.77
Q2 2022	72,501	$25,428	$407.78	$318.50 - $558.01
Q1 2022	88,501	$48,415	$526.03	$460.36 - $656.31
Q4 2021	150,401	$99,033	$627.75	$575.59 - $672.93
Q3 2021	91,601	$56,967	$671.94	$620.86 - $706.95
Q2 2021	92,789	$58,601	$552.18	$482.90 - $639.65
Q1 2021	94,089	$46,039	$501.01	$455.23 - $573.99
Q4 2020	94,889	$47,432	$447.44	$382.68 - $503.83
Q3 2020	95,198	$37,423	$369.71	$329.69 - $407.86
Q2 2020	98,298	$32,454	$289.54	$226.02 - $332.68
Q1 2020	73,130	$17,715	$260.97	$168.65 - $296.25
Q4 2019	98,919	$25,831	$263.51	$246.74 - $294.57
Q3 2019	104,619	$28,449	$278.27	$256.27 - $292.17
Q2 2019	104,594	$28,798	$246.39	$214.25 - $278.61
Q1 2019	167,200	$37,386	$206.43	$176.11 - $226.15
Q4 2018	48,094	$8,946	$205.02	$176.15 - $252.69
Q3 2018	186,943	$46,672	$242.74	$215.28 - $256.22
Q2 2018	140,443	$30,608	$206.05	$183.86 - $229.01
Q1 2018	37,157	$7,111	$184.56	$157.53 - $207.14
Q4 2017	62,400	$9,758	$157.41	$146.09 - $168.66
Q2 2017	110,300	$17,805	$162.40	$153.24 - $173.01
Q1 2017	127,200	$19,666	$137.84	$113.92 - $155.65
Q1 2015	60,000	$9,269	$77.81	$72.38 - $84.25
Q4 2014	120,000	$17,792	$70.12	$57.56 - $76.94
Q3 2014	200,000	$23,566	$63.22	$56.74 - $70.00
Q2 2014	100,000	$13,357	$63.58	$57.92 - $68.06
Q1 2014	30,000	$3,642	$59.57	$52.32 - $64.64