IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q1 2023

Shares 12,557 Value ($000) $6,280 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 3,721 Value ($000) $1,518 Avg Close $388.17 Range $317.06 - $448.01

Q2 2022

Shares 52 Value ($000) $18 Avg Close $407.78 Range $318.50 - $558.01

Q4 2021

Shares 5,135 Value ($000) $3,381 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 2,289 Value ($000) $1,424 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 2,129 Value ($000) $1,345 Avg Close $552.18 Range $482.90 - $639.65

Q1 2020

Shares 1,158 Value ($000) $281 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 17,236 Value ($000) $4,501 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 23,047 Value ($000) $6,267 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 9,529 Value ($000) $2,624 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 24,082 Value ($000) $5,385 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 15,831 Value ($000) $2,945 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 6,591 Value ($000) $1,646 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 50,099 Value ($000) $10,919 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 19,994 Value ($000) $3,827 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 6,882 Value ($000) $1,076 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 18,898 Value ($000) $2,938 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 1,888 Value ($000) $305 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 161 Value ($000) $25 Avg Close $137.84 Range $113.92 - $155.65

Q2 2016

Shares 4,900 Value ($000) $455 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 13,637 Value ($000) $1,068 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 2,929 Value ($000) $214 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 1 Value ($000) $0 Avg Close $71.63 Range $61.58 - $79.62

Q2 2015

Shares 291 Value ($000) $19 Avg Close $69.23 Range $61.37 - $82.24

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	12,557	$6,280	$478.56	$399.27 - $515.79
Q4 2022	3,721	$1,518	$388.17	$317.06 - $448.01
Q2 2022	52	$18	$407.78	$318.50 - $558.01
Q4 2021	5,135	$3,381	$627.75	$575.59 - $672.93
Q3 2021	2,289	$1,424	$671.94	$620.86 - $706.95
Q2 2021	2,129	$1,345	$552.18	$482.90 - $639.65
Q1 2020	1,158	$281	$260.97	$168.65 - $296.25
Q4 2019	17,236	$4,501	$263.51	$246.74 - $294.57
Q3 2019	23,047	$6,267	$278.27	$256.27 - $292.17
Q2 2019	9,529	$2,624	$246.39	$214.25 - $278.61
Q1 2019	24,082	$5,385	$206.43	$176.11 - $226.15
Q4 2018	15,831	$2,945	$205.02	$176.15 - $252.69
Q3 2018	6,591	$1,646	$242.74	$215.28 - $256.22
Q2 2018	50,099	$10,919	$206.05	$183.86 - $229.01
Q1 2018	19,994	$3,827	$184.56	$157.53 - $207.14
Q4 2017	6,882	$1,076	$157.41	$146.09 - $168.66
Q3 2017	18,898	$2,938	$158.10	$148.80 - $171.37
Q2 2017	1,888	$305	$162.40	$153.24 - $173.01
Q1 2017	161	$25	$137.84	$113.92 - $155.65
Q2 2016	4,900	$455	$85.88	$76.55 - $92.87
Q1 2016	13,637	$1,068	$72.01	$63.48 - $79.03
Q4 2015	2,929	$214	$71.33	$65.03 - $77.27
Q3 2015	1	$0	$71.63	$61.58 - $79.62
Q2 2015	291	$19	$69.23	$61.37 - $82.24