IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 51,701 Value ($000) $34,977 Avg Close $681.02 Range $600.57 - $769.98
Q3 2025
Shares 51,687 Value ($000) $33,022 Avg Close $606.98 Range $506.91 - $688.12
Q2 2025
Shares 48,369 Value ($000) $25,942 Avg Close $478.19 Range $356.14 - $537.47
Q1 2025
Shares 58,533 Value ($000) $24,581 Avg Close $434.21 Range $404.60 - $474.67
Q4 2024
Shares 53,082 Value ($000) $21,946 Avg Close $438.63 Range $398.50 - $505.52
Q3 2024
Shares 61,964 Value ($000) $31,305 Avg Close $485.80 Range $446.28 - $530.60
Q2 2024
Shares 62,640 Value ($000) $30,518 Avg Close $502.03 Range $462.00 - $548.88
Q1 2024
Shares 65,775 Value ($000) $35,514 Avg Close $546.49 Range $507.61 - $583.39
Q4 2023
Shares 65,031 Value ($000) $36,095 Avg Close $469.47 Range $372.50 - $568.30
Q3 2023
Shares 71,156 Value ($000) $31,114 Avg Close $498.67 Range $430.81 - $564.74
Q2 2023
Shares 57,441 Value ($000) $28,849 Avg Close $479.21 Range $446.00 - $506.56
Q1 2023
Shares 52,906 Value ($000) $26,457 Avg Close $478.56 Range $399.27 - $515.79
Q4 2022
Shares 44,746 Value ($000) $18,255 Avg Close $388.17 Range $317.06 - $448.01
Q3 2022
Shares 56,164 Value ($000) $18,298 Avg Close $367.34 Range $321.79 - $417.77
Q2 2022
Shares 67,186 Value ($000) $23,564 Avg Close $407.78 Range $318.50 - $558.01
Q1 2022
Shares 64,353 Value ($000) $35,205 Avg Close $526.03 Range $460.36 - $656.31
Q4 2021
Shares 53,973 Value ($000) $35,539 Avg Close $627.75 Range $575.59 - $672.93
Q3 2021
Shares 68,280 Value ($000) $42,463 Avg Close $671.94 Range $620.86 - $706.95
Q2 2021
Shares 64,899 Value ($000) $40,987 Avg Close $552.18 Range $482.90 - $639.65
Q1 2021
Shares 68,072 Value ($000) $33,308 Avg Close $501.01 Range $455.23 - $573.99
Q4 2020
Shares 51,258 Value ($000) $25,622 Avg Close $447.44 Range $382.68 - $503.83
Q3 2020
Shares 45,778 Value ($000) $17,996 Avg Close $369.71 Range $329.69 - $407.86
Q2 2020
Shares 63,924 Value ($000) $21,105 Avg Close $289.54 Range $226.02 - $332.68
Q1 2020
Shares 41,524 Value ($000) $10,059 Avg Close $260.97 Range $168.65 - $296.25
Q4 2019
Shares 75,457 Value ($000) $19,704 Avg Close $263.51 Range $246.74 - $294.57
Q3 2019
Shares 71,455 Value ($000) $19,431 Avg Close $278.27 Range $256.27 - $292.17
Q2 2019
Shares 77,367 Value ($000) $21,301 Avg Close $246.39 Range $214.25 - $278.61
Q1 2019
Shares 91,586 Value ($000) $20,479 Avg Close $206.43 Range $176.11 - $226.15
Q4 2018
Shares 87,857 Value ($000) $16,343 Avg Close $205.02 Range $176.15 - $252.69
Q3 2018
Shares 92,097 Value ($000) $22,993 Avg Close $242.74 Range $215.28 - $256.22
Q2 2018
Shares 101,914 Value ($000) $22,211 Avg Close $206.05 Range $183.86 - $229.01
Q1 2018
Shares 105,829 Value ($000) $20,255 Avg Close $184.56 Range $157.53 - $207.14
Q4 2017
Shares 110,898 Value ($000) $17,342 Avg Close $157.41 Range $146.09 - $168.66
Q3 2017
Shares 115,281 Value ($000) $17,925 Avg Close $158.10 Range $148.80 - $171.37
Q2 2017
Shares 109,103 Value ($000) $17,611 Avg Close $162.40 Range $153.24 - $173.01
Q1 2017
Shares 80,783 Value ($000) $12,490 Avg Close $137.84 Range $113.92 - $155.65
Q4 2016
Shares 48,576 Value ($000) $5,697 Avg Close $114.12 Range $102.45 - $121.77
Q3 2016
Shares 107,153 Value ($000) $12,079 Avg Close $105.39 Range $92.52 - $115.06
Q2 2016
Shares 178,153 Value ($000) $16,543 Avg Close $85.88 Range $76.55 - $92.87
Q1 2016
Shares 207,792 Value ($000) $16,274 Avg Close $72.01 Range $63.48 - $79.03
Q4 2015
Shares 308,544 Value ($000) $22,499 Avg Close $71.33 Range $65.03 - $77.27
Q3 2015
Shares 307,418 Value ($000) $22,826 Avg Close $71.63 Range $61.58 - $79.62
Q2 2015
Shares 333,348 Value ($000) $21,381 Avg Close $69.23 Range $61.37 - $82.24
Q1 2015
Shares 166,964 Value ($000) $25,793 Avg Close $77.81 Range $72.38 - $84.25
Q4 2014
Shares 167,954 Value ($000) $24,903 Avg Close $70.12 Range $57.56 - $76.94
Q3 2014
Shares 207,535 Value ($000) $24,454 Avg Close $63.22 Range $56.74 - $70.00
Q2 2014
Shares 207,275 Value ($000) $27,686 Avg Close $63.58 Range $57.92 - $68.06
Q1 2014
Shares 236,582 Value ($000) $28,721 Avg Close $59.57 Range $52.32 - $64.64
Q4 2013
Shares 251,970 Value ($000) $26,802 Avg Close $52.63 Range $49.56 - $56.55
Q3 2013
Shares 253,789 Value ($000) $25,290 Avg Close $48.06 Range $43.99 - $50.19
Q2 2013
Shares 286,337 Value ($000) $25,707 Avg Close $43.69 Range $40.78 - $46.30