William Blair & Company’s Idexx Laboratories IDXX Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $532M | Sell |
946,336
-55,039
| -5% | -$35.3M | 1.52% | 11 |
|
|
2025
Q4 | $677M | Sell |
1,001,375
-30,411
| -3% | -$20.7M | 1.82% | 8 |
|
|
2025
Q3 | $659M | Sell |
1,031,786
-48,719
| -5% | -$29.6M | 1.75% | 8 |
|
|
2025
Q2 | $580M | Sell |
1,080,505
-10,265
| -0.9% | -$4.91M | 1.61% | 7 |
|
|
2025
Q1 | $458M | Sell |
1,090,770
-14,244
| -1% | -$6.18M | 1.38% | 11 |
|
|
2024
Q4 | $457M | Sell |
1,105,014
-60,555
| -5% | -$26.6M | 1.33% | 12 |
|
|
2024
Q3 | $589M | Sell |
1,165,569
-7,489
| -0.6% | -$3.64M | 1.73% | 5 |
|
|
2024
Q2 | $572M | Sell |
1,173,058
-16,086
| -1% | -$8.08M | 1.76% | 6 |
|
|
2024
Q1 | $642M | Sell |
1,189,144
-12,107
| -1% | -$6.62M | 2.02% | 4 |
|
|
2023
Q4 | $667M | Buy |
1,201,251
+1,306
| +0.1% | +$613K | 2.27% | 4 |
|
|
2023
Q3 | $525M | Buy |
1,199,945
+7,812
| +0.7% | +$3.9M | 2.01% | 4 |
|
|
2023
Q2 | $599M | Sell |
1,192,133
-17,061
| -1% | -$8.18M | 2.19% | 4 |
|
|
2023
Q1 | $605M | Buy |
1,209,194
+3,437
| +0.3% | +$1.64M | 2.42% | 3 |
|
|
2022
Q4 | $492M | Sell |
1,205,757
-19,111
| -2% | -$7.42M | 2.14% | 4 |
|
|
2022
Q3 | $399M | Sell |
1,224,868
-5,819
| -0.5% | -$2.14M | 1.83% | 6 |
|
|
2022
Q2 | $432M | Sell |
1,230,687
-25,334
| -2% | -$10.3M | 1.92% | 6 |
|
|
2022
Q1 | $687M | Sell |
1,256,021
-34,011
| -3% | -$17.9M | 2.41% | 4 |
|
|
2021
Q4 | $849M | Sell |
1,290,032
-3,871
| -0.3% | -$2.43M | 2.66% | 4 |
|
|
2021
Q3 | $805M | Sell |
1,293,903
-56,062
| -4% | -$37.7M | 2.74% | 4 |
|
|
2021
Q2 | $853M | Sell |
1,349,965
-40,231
| -3% | -$22.2M | 2.95% | 4 |
|
|
2021
Q1 | $680M | Sell |
1,390,196
-88,432
| -6% | -$44.3M | 2.57% | 4 |
|
|
2020
Q4 | $739M | Sell |
1,478,628
-32,211
| -2% | -$14.4M | 2.71% | 4 |
|
|
2020
Q3 | $594M | Sell |
1,510,839
-40,835
| -3% | -$15.1M | 2.52% | 4 |
|
|
2020
Q2 | $512M | Sell |
1,551,674
-11,580
| -0.7% | -$3.35M | 2.44% | 5 |
|
|
2020
Q1 | $379M | Buy |
1,563,254
+17,274
| +1% | +$4.51M | 2.37% | 5 |
|
|
2019
Q4 | $404M | Sell |
1,545,980
-199
| -0% | -$52.4K | 2.07% | 5 |
|
|
2019
Q3 | $420M | Sell |
1,546,179
-27,469
| -2% | -$7.64M | 2.42% | 5 |
|
|
2019
Q2 | $433M | Sell |
1,573,648
-8,574
| -0.5% | -$2.11M | 2.48% | 5 |
|
|
2019
Q1 | $354M | Buy |
1,582,222
+10,586
| +0.7% | +$2.19M | 2.16% | 5 |
|
|
2018
Q4 | $292M | Buy |
1,571,636
+33,525
| +2% | +$6.87M | 2.13% | 5 |
|
|
2018
Q3 | $384M | Sell |
1,538,111
-36,279
| -2% | -$8.81M | 2.35% | 5 |
|
|
2018
Q2 | $343M | Sell |
1,574,390
-45,549
| -3% | -$9.39M | 2.33% | 5 |
|
|
2018
Q1 | $310M | Sell |
1,619,939
-161,215
| -9% | -$29.8M | 2.19% | 5 |
|
|
2017
Q4 | $279M | Sell |
1,781,154
-606
| -0% | -$95.4K | 1.89% | 5 |
|
|
2017
Q3 | $277M | Sell |
1,781,760
-15,694
| -0.9% | -$2.48M | 2.08% | 3 |
|
|
2017
Q2 | $290M | Sell |
1,797,454
-92,572
| -5% | -$15M | 2.18% | 2 |
|
|
2017
Q1 | $286M | Sell |
1,890,026
-234,542
| -11% | -$32.3M | 2.31% | 2 |
|
|
2016
Q4 | $249M | Sell |
2,124,568
-114,931
| -5% | -$13.1M | 2.23% | 2 |
|
|
2016
Q3 | $252M | Sell |
2,239,499
-83,195
| -4% | -$8.77M | 2.23% | 2 |
|
|
2016
Q2 | $216M | Sell |
2,322,694
-151,569
| -6% | -$13M | 2.01% | 2 |
|
|
2016
Q1 | $194M | Sell |
2,474,263
-33,209
| -1% | -$2.39M | 1.82% | 5 |
|
|
2015
Q4 | $183M | Sell |
2,507,472
-26,839
| -1% | -$1.91M | 1.72% | 5 |
|
|
2015
Q3 | $188M | Sell |
2,534,311
-2,310,126
| -48% | -$165M | 1.63% | 6 |
|
|
2015
Q2 | $311M | Sell |
4,844,437
-214,903
| -4% | -$14.9M | 0.47% | 29 |
|
|
2015
Q1 | $391M | Sell |
5,059,340
-544,312
| -10% | -$42.4M | 0.6% | 9 |
|
|
2014
Q4 | $415M | Buy |
5,603,652
+17,584
| +0.3% | +$1.23M | 0.67% | 4 |
|
|
2014
Q3 | $329M | Sell |
5,586,068
-57,524
| -1% | -$3.64M | 0.56% | 11 |
|
|
2014
Q2 | $377M | Sell |
5,643,592
-1,358,432
| -19% | -$86.4M | 0.62% | 9 |
|
|
2014
Q1 | $425M | Sell |
7,002,024
-1,323,288
| -16% | -$78.8M | 0.7% | 10 |
|
|
2013
Q4 | $443M | Sell |
8,325,312
-1,243,678
| -13% | -$65.5M | 0.73% | 8 |
|
|
2013
Q3 | $477M | Buy |
9,568,990
+259,346
| +3% | +$12.5M | 0.85% | 5 |
|
|
2013
Q2 | $418M | Buy |
+9,309,644
| New | +$407M | 0.83% | 6 |
|
Other funds holding IDXX
VCM
VPM
