Citadel Advisors
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Citadel Advisors’s Idexx Laboratories IDXX Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$23.3M Buy
43,382
+42,310
+3,947% +$22.7M ﹤0.01% 874
2025
Q1
$450K Sell
1,072
-76,982
-99% -$32.3M ﹤0.01% 4078
2024
Q4
$32.3M Buy
78,054
+54,954
+238% +$22.7M 0.01% 719
2024
Q3
$11.7M Sell
23,100
-54,272
-70% -$27.4M ﹤0.01% 1153
2024
Q2
$37.7M Buy
77,372
+35,125
+83% +$17.1M 0.01% 587
2024
Q1
$22.8M Sell
42,247
-99,625
-70% -$53.8M ﹤0.01% 832
2023
Q4
$78.7M Buy
141,872
+96,605
+213% +$53.6M 0.02% 319
2023
Q3
$19.8M Sell
45,267
-57,667
-56% -$25.2M ﹤0.01% 804
2023
Q2
$51.7M Sell
102,934
-608,965
-86% -$306M 0.01% 410
2023
Q1
$356M Buy
711,899
+313,801
+79% +$157M 0.08% 30
2022
Q4
$162M Buy
398,098
+29,767
+8% +$12.1M 0.04% 105
2022
Q3
$120M Buy
368,331
+264,023
+253% +$86M 0.03% 134
2022
Q2
$36.6M Buy
104,308
+102,533
+5,777% +$36M 0.01% 515
2022
Q1
$971K Sell
1,775
-327
-16% -$179K ﹤0.01% 3767
2021
Q4
$1.38M Sell
2,102
-45,973
-96% -$30.3M ﹤0.01% 3423
2021
Q3
$29.9M Buy
+48,075
New +$29.9M 0.01% 673
2021
Q2
Sell
-24,643
Closed -$12.1M 6701
2021
Q1
$12.1M Sell
24,643
-7,009
-22% -$3.43M ﹤0.01% 1300
2020
Q4
$15.8M Sell
31,652
-150,908
-83% -$75.4M ﹤0.01% 984
2020
Q3
$71.8M Buy
182,560
+173,899
+2,008% +$68.4M 0.02% 273
2020
Q2
$2.86M Buy
8,661
+4,930
+132% +$1.63M ﹤0.01% 1936
2020
Q1
$904K Buy
+3,731
New +$904K ﹤0.01% 2959
2019
Q4
Hold
0
4833
2019
Q3
Sell
-5,738
Closed -$1.58M 4896
2019
Q2
$1.58M Buy
+5,738
New +$1.58M ﹤0.01% 2608
2019
Q1
Sell
-28,328
Closed -$5.27M 4777
2018
Q4
$5.27M Buy
28,328
+11,301
+66% +$2.1M ﹤0.01% 1412
2018
Q3
$4.25M Sell
17,027
-7,022
-29% -$1.75M ﹤0.01% 1633
2018
Q2
$5.24M Sell
24,049
-55,446
-70% -$12.1M ﹤0.01% 1384
2018
Q1
$15.2M Buy
79,495
+34,182
+75% +$6.54M 0.01% 759
2017
Q4
$7.09M Buy
45,313
+40,562
+854% +$6.34M ﹤0.01% 1126
2017
Q3
$739K Sell
4,751
-59,502
-93% -$9.26M ﹤0.01% 2472
2017
Q2
$10.4M Buy
+64,253
New +$10.4M 0.01% 850
2017
Q1
Sell
-35,893
Closed -$4.21M 3887
2016
Q4
$4.21M Sell
35,893
-7,726
-18% -$906K ﹤0.01% 1130
2016
Q3
$4.92M Buy
43,619
+38,420
+739% +$4.33M ﹤0.01% 1082
2016
Q2
$483K Sell
5,199
-61,705
-92% -$5.73M ﹤0.01% 2254
2016
Q1
$5.24M Sell
66,904
-2,751
-4% -$215K 0.01% 980
2015
Q4
$5.08M Sell
69,655
-137,555
-66% -$10M 0.01% 1111
2015
Q3
$15.4M Buy
207,210
+22,768
+12% +$1.69M 0.01% 743
2015
Q2
$11.8M Buy
184,442
+93,683
+103% +$6.01M 0.01% 912
2015
Q1
$14M Sell
90,759
-266,423
-75% -$41.2M 0.01% 833
2014
Q4
$53M Buy
357,182
+326,002
+1,046% +$48.3M 0.05% 331
2014
Q3
$3.67M Buy
31,180
+23,900
+328% +$2.82M ﹤0.01% 1304
2014
Q2
$972K Sell
7,280
-24,029
-77% -$3.21M ﹤0.01% 1869
2014
Q1
$3.8M Sell
31,309
-4,726
-13% -$574K ﹤0.01% 1187
2013
Q4
$3.83M Buy
36,035
+18,203
+102% +$1.94M 0.01% 1080
2013
Q3
$1.78M Sell
17,832
-101,770
-85% -$10.1M ﹤0.01% 1329
2013
Q2
$10.7M Buy
+119,602
New +$10.7M 0.02% 707