IDEXX LABS INC

Ticker: IDXX CUSIP: 45168D104 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025
Shares 125,402 Value ($000) $84,838 Avg Close $681.02 Range $600.57 - $769.98
Q3 2025
Shares 126,660 Value ($000) $80,922 Avg Close $606.98 Range $506.91 - $688.12
Q2 2025
Shares 128,836 Value ($000) $69,100 Avg Close $478.19 Range $356.14 - $537.47
Q1 2025
Shares 126,094 Value ($000) $52,953 Avg Close $434.21 Range $404.60 - $474.67
Q4 2024
Shares 128,385 Value ($000) $53,079 Avg Close $438.63 Range $398.50 - $505.52
Q3 2024
Shares 133,709 Value ($000) $67,552 Avg Close $485.80 Range $446.28 - $530.60
Q2 2024
Shares 133,847 Value ($000) $65,210 Avg Close $502.03 Range $462.00 - $548.88
Q1 2024
Shares 131,624 Value ($000) $71,068 Avg Close $546.49 Range $507.61 - $583.39
Q4 2023
Shares 130,801 Value ($000) $72,601 Avg Close $469.47 Range $372.50 - $568.30
Q3 2023
Shares 129,138 Value ($000) $56,468 Avg Close $498.67 Range $430.81 - $564.74
Q2 2023
Shares 134,039 Value ($000) $67,318 Avg Close $479.21 Range $446.00 - $506.56
Q1 2023
Shares 136,315 Value ($000) $68,168 Avg Close $478.56 Range $399.27 - $515.79
Q4 2022
Shares 138,189 Value ($000) $56,376 Avg Close $388.17 Range $317.06 - $448.01
Q3 2022
Shares 137,865 Value ($000) $44,916 Avg Close $367.34 Range $321.79 - $417.77
Q2 2022
Shares 139,586 Value ($000) $48,957 Avg Close $407.78 Range $318.50 - $558.01
Q1 2022
Shares 141,002 Value ($000) $77,137 Avg Close $526.03 Range $460.36 - $656.31
Q4 2021
Shares 149,845 Value ($000) $98,667 Avg Close $627.75 Range $575.59 - $672.93
Q3 2021
Shares 148,429 Value ($000) $92,308 Avg Close $671.94 Range $620.86 - $706.95
Q2 2021
Shares 152,040 Value ($000) $96,021 Avg Close $552.18 Range $482.90 - $639.65
Q1 2021
Shares 161,478 Value ($000) $79,013 Avg Close $501.01 Range $455.23 - $573.99
Q4 2020
Shares 159,199 Value ($000) $79,579 Avg Close $447.44 Range $382.68 - $503.83
Q3 2020
Shares 154,057 Value ($000) $60,561 Avg Close $369.71 Range $329.69 - $407.86
Q2 2020
Shares 156,708 Value ($000) $51,739 Avg Close $289.54 Range $226.02 - $332.68
Q1 2020
Shares 148,691 Value ($000) $36,019 Avg Close $260.97 Range $168.65 - $296.25
Q4 2019
Shares 152,587 Value ($000) $39,845 Avg Close $263.51 Range $246.74 - $294.57
Q3 2019
Shares 141,927 Value ($000) $38,594 Avg Close $278.27 Range $256.27 - $292.17
Q2 2019
Shares 140,296 Value ($000) $38,628 Avg Close $246.39 Range $214.25 - $278.61
Q1 2019
Shares 140,340 Value ($000) $31,380 Avg Close $206.43 Range $176.11 - $226.15
Q4 2018
Shares 139,783 Value ($000) $26,002 Avg Close $205.02 Range $176.15 - $252.69
Q3 2018
Shares 135,966 Value ($000) $33,945 Avg Close $242.74 Range $215.28 - $256.22
Q2 2018
Shares 136,111 Value ($000) $29,664 Avg Close $206.05 Range $183.86 - $229.01
Q1 2018
Shares 136,397 Value ($000) $26,105 Avg Close $184.56 Range $157.53 - $207.14
Q4 2017
Shares 142,437 Value ($000) $22,274 Avg Close $157.41 Range $146.09 - $168.66
Q3 2017
Shares 144,981 Value ($000) $22,543 Avg Close $158.10 Range $148.80 - $171.37
Q2 2017
Shares 159,794 Value ($000) $25,794 Avg Close $162.40 Range $153.24 - $173.01
Q1 2017
Shares 176,278 Value ($000) $27,254 Avg Close $137.84 Range $113.92 - $155.65
Q4 2016
Shares 184,578 Value ($000) $21,645 Avg Close $114.12 Range $102.45 - $121.77
Q3 2016
Shares 189,478 Value ($000) $21,360 Avg Close $105.39 Range $92.52 - $115.06
Q2 2016
Shares 187,878 Value ($000) $17,446 Avg Close $85.88 Range $76.55 - $92.87
Q1 2016
Shares 198,866 Value ($000) $15,575 Avg Close $72.01 Range $63.48 - $79.03
Q4 2015
Shares 173,448 Value ($000) $12,648 Avg Close $71.33 Range $65.03 - $77.27
Q3 2015
Shares 170,734 Value ($000) $12,677 Avg Close $71.63 Range $61.58 - $79.62
Q2 2015
Shares 170,934 Value ($000) $10,964 Avg Close $69.23 Range $61.37 - $82.24
Q1 2015
Shares 87,411 Value ($000) $13,503 Avg Close $77.81 Range $72.38 - $84.25
Q4 2014
Shares 88,911 Value ($000) $13,183 Avg Close $70.12 Range $57.56 - $76.94
Q3 2014
Shares 94,735 Value ($000) $11,163 Avg Close $63.22 Range $56.74 - $70.00
Q2 2014
Shares 94,897 Value ($000) $12,675 Avg Close $63.58 Range $57.92 - $68.06
Q1 2014
Shares 98,397 Value ($000) $11,945 Avg Close $59.57 Range $52.32 - $64.64
Q4 2013
Shares 97,997 Value ($000) $10,424 Avg Close $52.63 Range $49.56 - $56.55
Q3 2013
Shares 97,297 Value ($000) $9,696 Avg Close $48.06 Range $43.99 - $50.19
Q2 2013
Shares 94,279 Value ($000) $8,464 Avg Close $43.69 Range $40.78 - $46.30
Q1 2013
Shares 95,675 Value ($000) $8,839 Avg Close $46.76 Range $45.09 - $50.41