First Manhattan’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
$371K Sell
661
-1,510
-70% -$968K ﹤0.01% 623
2025
Q4
$1.47M Buy
2,171
+1,266
+140% +$862K ﹤0.01% 380
2025
Q3
$578K Hold
905
﹤0.01% 518
2025
Q2
$485K Hold
905
﹤0.01% 540
2025
Q1
$380K Hold
905
﹤0.01% 552
2024
Q4
$374K Sell
905
-10
-1% -$4.39K ﹤0.01% 559
2024
Q3
$462K Hold
915
﹤0.01% 508
2024
Q2
$446K Sell
915
-460
-33% -$231K ﹤0.01% 492
2024
Q1
$742K Hold
1,375
﹤0.01% 418
2023
Q4
$763K Buy
1,375
+920
+202% +$432K ﹤0.01% 414
2023
Q3
$199K Hold
455
﹤0.01% 658
2023
Q2
$229K Sell
455
-36,430
-99% -$17.5M ﹤0.01% 635
2023
Q1
$18.4M Sell
36,885
-9
-0% -$4.31K 0.07% 102
2022
Q4
$15.1M Sell
36,894
-532
-1% -$207K 0.06% 117
2022
Q3
$12.2M Hold
37,426
0.05% 125
2022
Q2
$13.1M Hold
37,426
0.05% 128
2022
Q1
$20.5M Sell
37,426
-2
-0% -$1.05K 0.07% 111
2021
Q4
$24.6M Sell
37,428
-377
-1% -$237K 0.08% 102
2021
Q3
$23.5M Sell
37,805
-1,050
-3% -$706K 0.09% 101
2021
Q2
$24.5M Hold
38,855
0.09% 105
2021
Q1
$19M Buy
38,855
+30
+0.1% +$15K 0.08% 112
2020
Q4
$19.4M Sell
38,825
-350
-0.9% -$157K 0.09% 104
2020
Q3
$15.4M Sell
39,175
-1,611
-4% -$596K 0.08% 112
2020
Q2
$13.5M Hold
40,786
0.08% 121
2020
Q1
$9.88M Sell
40,786
-716
-2% -$187K 0.06% 148
2019
Q4
$10.8M Hold
41,502
0.05% 159
2019
Q3
$11.3M Sell
41,502
-84
-0.2% -$23.4K 0.06% 156
2019
Q2
$11.4M Buy
41,586
+37,461
+908% +$9.23M 0.06% 152
2019
Q1
$922K Hold
4,125
0.01% 445
2018
Q4
$767K Hold
4,125
﹤0.01% 473
2018
Q3
$1.03M Buy
4,125
+75
+2% +$18.2K 0.01% 456
2018
Q2
$882K Hold
4,050
0.01% 464
2018
Q1
$775K Hold
4,050
﹤0.01% 468
2017
Q4
$633K Hold
4,050
﹤0.01% 514
2017
Q3
$629K Hold
4,050
﹤0.01% 505
2017
Q2
$653K Hold
4,050
﹤0.01% 494
2017
Q1
$626K Hold
4,050
﹤0.01% 485
2016
Q4
$474K Buy
4,050
+650
+19% +$74.2K ﹤0.01% 514
2016
Q3
$383K Sell
3,400
-122
-3% -$12.9K ﹤0.01% 554
2016
Q2
$327K Hold
3,522
﹤0.01% 581
2016
Q1
$275K Buy
3,522
+3,400
+2,787% +$245K ﹤0.01% 612
2015
Q4
$8K Hold
122
﹤0.01% 1209
2015
Q3
$9K Sell
122
-56,440
-100% -$4.04M ﹤0.01% 1200
2015
Q2
$3.63M Hold
56,562
0.02% 287
2015
Q1
$4.37M Hold
56,562
0.03% 262
2014
Q4
$4.19M Buy
56,562
+534
+1% +$37.4K 0.02% 270
2014
Q3
$3.3M Hold
56,028
0.02% 297
2014
Q2
$3.74M Hold
56,028
0.02% 278
2014
Q1
$3.4M Buy
+56,028
New +$3.34M 0.02% 286

Other funds holding IDXX

First Manhattan's IDXX Position: Q1 2026 in Review

First Manhattan reduced its Idexx Laboratories (IDXX) stake by 70% in Q1 2026, selling an estimated $968K and leaving 661 shares worth $371K. The position accounts for ﹤0.01% of the portfolio, ranked #623.

First Manhattan first reported a position in IDXX in Q1 2014 and has held it in 49 quarters since. The position peaked at $24.6M in Q4 2021. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • First Manhattan held 661 shares of Idexx Laboratories worth $371K as of Q1 2026.
  • First Manhattan sold 1,510 Idexx Laboratories shares in Q1 2026, an estimated $968K.
  • Idexx Laboratories made up ﹤0.01% of First Manhattan's portfolio in Q1 2026, its #623 holding.
  • First Manhattan first reported a position in Idexx Laboratories in Q1 2014 and has held it in 49 quarters since.
  • First Manhattan's Idexx Laboratories position peaked at $24.6M in Q4 2021.
  • 1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on First Manhattan's 13F filing for Q1 2026, filed 15 May 2026.