BlackRock’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
$4.7B Sell
8,365,553
-169,333
-2% -$109M 0.08% 208
2025
Q4
$5.77B Buy
8,534,886
+329,875
+4% +$225M 0.1% 162
2025
Q3
$5.24B Sell
8,205,011
-168,971
-2% -$103M 0.09% 177
2025
Q2
$4.49B Sell
8,373,982
-329,092
-4% -$157M 0.09% 200
2025
Q1
$3.65B Buy
8,703,074
+230,512
+3% +$100M 0.08% 230
2024
Q4
$3.5B Sell
8,472,562
-942,652
-10% -$413M 0.07% 241
2024
Q3
$4.76B Sell
9,415,214
-188,012
-2% -$91.3M 0.1% 170
2024
Q2
$4.68B Buy
9,603,226
+395,972
+4% +$199M 0.11% 154
2024
Q1
$4.97B Buy
9,207,254
+152,947
+2% +$83.6M 0.12% 149
2023
Q4
$5.03B Buy
9,054,307
+420,016
+5% +$197M 0.13% 127
2023
Q3
$3.78B Sell
8,634,291
-14,459
-0.2% -$7.21M 0.11% 157
2023
Q2
$4.34B Sell
8,648,750
-50,610
-0.6% -$24.3M 0.12% 138
2023
Q1
$4.35B Buy
8,699,360
+196,360
+2% +$94M 0.13% 136
2022
Q4
$3.47B Sell
8,503,000
-289,300
-3% -$112M 0.11% 185
2022
Q3
$2.86B Buy
8,792,300
+358,427
+4% +$132M 0.1% 198
2022
Q2
$2.96B Sell
8,433,873
-728,158
-8% -$297M 0.09% 200
2022
Q1
$5.01B Buy
9,162,031
+171,445
+2% +$90.2M 0.14% 130
2021
Q4
$5.92B Buy
8,990,586
+296,552
+3% +$186M 0.15% 111
2021
Q3
$5.41B Buy
8,694,034
+419,143
+5% +$282M 0.15% 112
2021
Q2
$5.23B Buy
8,274,891
+437,365
+6% +$242M 0.15% 116
2021
Q1
$3.83B Sell
7,837,526
-52,066
-0.7% -$26.1M 0.11% 160
2020
Q4
$3.94B Buy
7,889,592
+129,494
+2% +$57.9M 0.13% 142
2020
Q3
$3.05B Buy
7,760,098
+258,375
+3% +$95.5M 0.11% 159
2020
Q2
$2.48B Sell
7,501,723
-366,372
-5% -$106M 0.1% 176
2020
Q1
$1.91B Buy
7,868,095
+443,250
+6% +$116M 0.09% 193
2019
Q4
$1.94B Buy
7,424,845
+720,647
+11% +$190M 0.07% 253
2019
Q3
$1.82B Buy
6,704,198
+245,652
+4% +$68.4M 0.08% 253
2019
Q2
$1.78B Sell
6,458,546
-52,841
-0.8% -$13M 0.08% 248
2019
Q1
$1.46B Sell
6,511,387
-37,635
-0.6% -$7.77M 0.07% 280
2018
Q4
$1.22B Buy
6,549,022
+289,208
+5% +$59.3M 0.06% 301
2018
Q3
$1.56B Sell
6,259,814
-16,656
-0.3% -$4.04M 0.07% 280
2018
Q2
$1.37B Sell
6,276,470
-329,717
-5% -$67.9M 0.06% 299
2018
Q1
$1.26B Sell
6,606,187
-288,269
-4% -$53.2M 0.06% 319
2017
Q4
$1.08B Sell
6,894,456
-261,789
-4% -$41.2M 0.05% 372
2017
Q3
$1.11B Buy
7,156,245
+55,871
+0.8% +$8.83M 0.06% 338
2017
Q2
$1.15B Buy
7,100,374
+673,347
+10% +$109M 0.06% 326
2017
Q1
$994M Buy
6,427,027
+6,116,102
+1,967% +$843M 0.05% 356
2016
Q4
$36.5M Buy
310,925
+12,994
+4% +$1.48M 0.05% 388
2016
Q3
$33.6M Sell
297,931
-22,338
-7% -$2.35M 0.05% 417
2016
Q2
$29.7M Buy
320,269
+280,724
+710% +$24.1M 0.04% 425
2016
Q1
$3.1M Buy
39,545
+6,777
+21% +$488K 0.01% 963
2015
Q4
$2.39M Buy
32,768
+1,460
+5% +$104K ﹤0.01% 1023
2015
Q3
$2.33M Sell
31,308
-312
-1% -$22.3K ﹤0.01% 991
2015
Q2
$2.03M Sell
31,620
-7,952
-20% -$551K ﹤0.01% 1115
2015
Q1
$3.06M Sell
39,572
-51,940
-57% -$4.04M ﹤0.01% 973
2014
Q4
$6.79M Buy
91,512
+55,176
+152% +$3.87M 0.01% 760
2014
Q3
$2.14M Buy
36,336
+33,250
+1,077% +$2.1M ﹤0.01% 1044
2014
Q2
$206K Sell
3,086
-2,872
-48% -$183K ﹤0.01% 1515
2014
Q1
$363K Sell
5,958
-7,782
-57% -$464K ﹤0.01% 1391
2013
Q4
$730K Buy
13,740
+744
+6% +$39.2K ﹤0.01% 1251
2013
Q3
$648K Sell
12,996
-402
-3% -$19.3K ﹤0.01% 1183
2013
Q2
$601K Buy
+13,398
New +$585K ﹤0.01% 1177

Other funds holding IDXX

BlackRock's IDXX Position: Q1 2026 in Review

BlackRock reduced its Idexx Laboratories (IDXX) stake by 2% in Q1 2026, selling an estimated $109M and leaving 8,365,553 shares worth $4.7B. The position accounts for 0.08% of the portfolio, ranked #208.

BlackRock first reported a position in IDXX in Q2 2013 and has held it in 52 quarters since. The position peaked at $5.92B in Q4 2021. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • BlackRock held 8,365,553 shares of Idexx Laboratories worth $4.7B as of Q1 2026.
  • BlackRock sold 169,333 Idexx Laboratories shares in Q1 2026, an estimated $109M.
  • Idexx Laboratories made up 0.08% of BlackRock's portfolio in Q1 2026, its #208 holding.
  • BlackRock first reported a position in Idexx Laboratories in Q2 2013 and has held it in 52 quarters since.
  • BlackRock's Idexx Laboratories position peaked at $5.92B in Q4 2021.
  • 1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.