IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 31,355 Value ($000) $21,213 Avg Close $681.02 Range $600.57 - $769.98

Q3 2025

Shares 31,955 Value ($000) $20,416 Avg Close $606.98 Range $506.91 - $688.12

Q2 2025

Shares 40,755 Value ($000) $21,859 Avg Close $478.19 Range $356.14 - $537.47

Q1 2025

Shares 40,955 Value ($000) $17,199 Avg Close $434.21 Range $404.60 - $474.67

Q4 2024

Shares 40,955 Value ($000) $16,932 Avg Close $438.63 Range $398.50 - $505.52

Q3 2024

Shares 41,655 Value ($000) $21,045 Avg Close $485.80 Range $446.28 - $530.60

Q2 2024

Shares 41,855 Value ($000) $20,392 Avg Close $502.03 Range $462.00 - $548.88

Q1 2024

Shares 41,455 Value ($000) $22,383 Avg Close $546.49 Range $507.61 - $583.39

Q4 2023

Shares 41,455 Value ($000) $23,010 Avg Close $469.47 Range $372.50 - $568.30

Q3 2023

Shares 41,255 Value ($000) $18,040 Avg Close $498.67 Range $430.81 - $564.74

Q2 2023

Shares 41,455 Value ($000) $20,820 Avg Close $479.21 Range $446.00 - $506.56

Q1 2023

Shares 41,955 Value ($000) $20,981 Avg Close $478.56 Range $399.27 - $515.79

Q4 2022

Shares 41,655 Value ($000) $16,994 Avg Close $388.17 Range $317.06 - $448.01

Q3 2022

Shares 42,455 Value ($000) $13,832 Avg Close $367.34 Range $321.79 - $417.77

Q2 2022

Shares 42,655 Value ($000) $14,960 Avg Close $407.78 Range $318.50 - $558.01

Q1 2022

Shares 40,055 Value ($000) $21,912 Avg Close $526.03 Range $460.36 - $656.31

Q4 2021

Shares 38,818 Value ($000) $25,560 Avg Close $627.75 Range $575.59 - $672.93

Q3 2021

Shares 22,454 Value ($000) $13,964 Avg Close $671.94 Range $620.86 - $706.95

Q2 2021

Shares 22,554 Value ($000) $14,244 Avg Close $552.18 Range $482.90 - $639.65

Q1 2021

Shares 21,454 Value ($000) $10,498 Avg Close $501.01 Range $455.23 - $573.99

Q4 2020

Shares 21,454 Value ($000) $10,724 Avg Close $447.44 Range $382.68 - $503.83

Q3 2020

Shares 21,654 Value ($000) $8,512 Avg Close $369.71 Range $329.69 - $407.86

Q2 2020

Shares 21,654 Value ($000) $7,149 Avg Close $289.54 Range $226.02 - $332.68

Q1 2020

Shares 19,600 Value ($000) $4,748 Avg Close $260.97 Range $168.65 - $296.25

Q4 2019

Shares 20,700 Value ($000) $5,405 Avg Close $263.51 Range $246.74 - $294.57

Q3 2019

Shares 20,700 Value ($000) $5,629 Avg Close $278.27 Range $256.27 - $292.17

Q2 2019

Shares 20,600 Value ($000) $5,672 Avg Close $246.39 Range $214.25 - $278.61

Q1 2019

Shares 24,800 Value ($000) $5,545 Avg Close $206.43 Range $176.11 - $226.15

Q4 2018

Shares 24,700 Value ($000) $4,595 Avg Close $205.02 Range $176.15 - $252.69

Q3 2018

Shares 180,800 Value ($000) $45,139 Avg Close $242.74 Range $215.28 - $256.22

Q2 2018

Shares 25,700 Value ($000) $5,601 Avg Close $206.05 Range $183.86 - $229.01

Q1 2018

Shares 25,600 Value ($000) $4,900 Avg Close $184.56 Range $157.53 - $207.14

Q4 2017

Shares 25,600 Value ($000) $4,003 Avg Close $157.41 Range $146.09 - $168.66

Q3 2017

Shares 26,500 Value ($000) $4,120 Avg Close $158.10 Range $148.80 - $171.37

Q2 2017

Shares 29,000 Value ($000) $4,681 Avg Close $162.40 Range $153.24 - $173.01

Q1 2017

Shares 28,900 Value ($000) $4,468 Avg Close $137.84 Range $113.92 - $155.65

Q4 2016

Shares 36,100 Value ($000) $4,233 Avg Close $114.12 Range $102.45 - $121.77

Q3 2016

Shares 36,000 Value ($000) $4,058 Avg Close $105.39 Range $92.52 - $115.06

Q2 2016

Shares 35,900 Value ($000) $3,334 Avg Close $85.88 Range $76.55 - $92.87

Q1 2016

Shares 35,800 Value ($000) $2,804 Avg Close $72.01 Range $63.48 - $79.03

Q4 2015

Shares 36,000 Value ($000) $2,625 Avg Close $71.33 Range $65.03 - $77.27

Q3 2015

Shares 41,900 Value ($000) $3,111 Avg Close $71.63 Range $61.58 - $79.62

Q2 2015

Shares 42,600 Value ($000) $2,732 Avg Close $69.23 Range $61.37 - $82.24

Q1 2015

Shares 21,400 Value ($000) $3,306 Avg Close $77.81 Range $72.38 - $84.25

Q4 2014

Shares 22,700 Value ($000) $3,366 Avg Close $70.12 Range $57.56 - $76.94

Q3 2014

Shares 23,900 Value ($000) $2,816 Avg Close $63.22 Range $56.74 - $70.00

Q2 2014

Shares 24,200 Value ($000) $3,232 Avg Close $63.58 Range $57.92 - $68.06

Q1 2014

Shares 24,300 Value ($000) $2,950 Avg Close $59.57 Range $52.32 - $64.64

Q4 2013

Shares 24,300 Value ($000) $2,585 Avg Close $52.63 Range $49.56 - $56.55

Q3 2013

Shares 24,500 Value ($000) $2,441 Avg Close $48.06 Range $43.99 - $50.19

Q2 2013

Shares 24,900 Value ($000) $2,236 Avg Close $43.69 Range $40.78 - $46.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,355	$21,213	$681.02	$600.57 - $769.98
Q3 2025	31,955	$20,416	$606.98	$506.91 - $688.12
Q2 2025	40,755	$21,859	$478.19	$356.14 - $537.47
Q1 2025	40,955	$17,199	$434.21	$404.60 - $474.67
Q4 2024	40,955	$16,932	$438.63	$398.50 - $505.52
Q3 2024	41,655	$21,045	$485.80	$446.28 - $530.60
Q2 2024	41,855	$20,392	$502.03	$462.00 - $548.88
Q1 2024	41,455	$22,383	$546.49	$507.61 - $583.39
Q4 2023	41,455	$23,010	$469.47	$372.50 - $568.30
Q3 2023	41,255	$18,040	$498.67	$430.81 - $564.74
Q2 2023	41,455	$20,820	$479.21	$446.00 - $506.56
Q1 2023	41,955	$20,981	$478.56	$399.27 - $515.79
Q4 2022	41,655	$16,994	$388.17	$317.06 - $448.01
Q3 2022	42,455	$13,832	$367.34	$321.79 - $417.77
Q2 2022	42,655	$14,960	$407.78	$318.50 - $558.01
Q1 2022	40,055	$21,912	$526.03	$460.36 - $656.31
Q4 2021	38,818	$25,560	$627.75	$575.59 - $672.93
Q3 2021	22,454	$13,964	$671.94	$620.86 - $706.95
Q2 2021	22,554	$14,244	$552.18	$482.90 - $639.65
Q1 2021	21,454	$10,498	$501.01	$455.23 - $573.99
Q4 2020	21,454	$10,724	$447.44	$382.68 - $503.83
Q3 2020	21,654	$8,512	$369.71	$329.69 - $407.86
Q2 2020	21,654	$7,149	$289.54	$226.02 - $332.68
Q1 2020	19,600	$4,748	$260.97	$168.65 - $296.25
Q4 2019	20,700	$5,405	$263.51	$246.74 - $294.57
Q3 2019	20,700	$5,629	$278.27	$256.27 - $292.17
Q2 2019	20,600	$5,672	$246.39	$214.25 - $278.61
Q1 2019	24,800	$5,545	$206.43	$176.11 - $226.15
Q4 2018	24,700	$4,595	$205.02	$176.15 - $252.69
Q3 2018	180,800	$45,139	$242.74	$215.28 - $256.22
Q2 2018	25,700	$5,601	$206.05	$183.86 - $229.01
Q1 2018	25,600	$4,900	$184.56	$157.53 - $207.14
Q4 2017	25,600	$4,003	$157.41	$146.09 - $168.66
Q3 2017	26,500	$4,120	$158.10	$148.80 - $171.37
Q2 2017	29,000	$4,681	$162.40	$153.24 - $173.01
Q1 2017	28,900	$4,468	$137.84	$113.92 - $155.65
Q4 2016	36,100	$4,233	$114.12	$102.45 - $121.77
Q3 2016	36,000	$4,058	$105.39	$92.52 - $115.06
Q2 2016	35,900	$3,334	$85.88	$76.55 - $92.87
Q1 2016	35,800	$2,804	$72.01	$63.48 - $79.03
Q4 2015	36,000	$2,625	$71.33	$65.03 - $77.27
Q3 2015	41,900	$3,111	$71.63	$61.58 - $79.62
Q2 2015	42,600	$2,732	$69.23	$61.37 - $82.24
Q1 2015	21,400	$3,306	$77.81	$72.38 - $84.25
Q4 2014	22,700	$3,366	$70.12	$57.56 - $76.94
Q3 2014	23,900	$2,816	$63.22	$56.74 - $70.00
Q2 2014	24,200	$3,232	$63.58	$57.92 - $68.06
Q1 2014	24,300	$2,950	$59.57	$52.32 - $64.64
Q4 2013	24,300	$2,585	$52.63	$49.56 - $56.55
Q3 2013	24,500	$2,441	$48.06	$43.99 - $50.19
Q2 2013	24,900	$2,236	$43.69	$40.78 - $46.30