Robeco Institutional Asset Management’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
$107M Buy
189,760
+3,633
+2% +$2.33M 0.15% 164
2025
Q4
$126M Sell
186,127
-20,389
-10% -$13.9M 0.18% 137
2025
Q3
$132M Sell
206,516
-712
-0.3% -$432K 0.19% 122
2025
Q2
$111M Buy
207,228
+58,991
+40% +$28.2M 0.18% 132
2025
Q1
$62.3M Sell
148,237
-24,091
-14% -$10.5M 0.12% 166
2024
Q4
$71.2M Sell
172,328
-60,432
-26% -$26.5M 0.14% 150
2024
Q3
$118M Sell
232,760
-3,395
-1% -$1.65M 0.23% 98
2024
Q2
$115M Sell
236,155
-45,315
-16% -$22.7M 0.25% 91
2024
Q1
$152M Buy
281,470
+31,054
+12% +$17M 0.33% 67
2023
Q4
$139M Sell
250,416
-26,486
-10% -$12.4M 0.34% 71
2023
Q3
$121M Sell
276,902
-8,924
-3% -$4.45M 0.32% 75
2023
Q2
$144M Buy
285,826
+8,506
+3% +$4.08M 0.38% 66
2023
Q1
$139M Buy
277,320
+19,387
+8% +$9.28M 0.38% 71
2022
Q4
$105M Sell
257,933
-87,555
-25% -$34M 0.3% 90
2022
Q3
$113M Buy
345,488
+47,355
+16% +$17.4M 0.36% 72
2022
Q2
$105M Sell
298,133
-42,243
-12% -$17.2M 0.32% 79
2022
Q1
$186M Sell
340,376
-16,905
-5% -$8.89M 0.44% 56
2021
Q4
$235M Buy
357,281
+86,273
+32% +$54.2M 0.5% 48
2021
Q3
$169M Sell
271,008
-41,865
-13% -$28.1M 0.37% 69
2021
Q2
$198M Sell
312,873
-38,768
-11% -$21.4M 0.44% 56
2021
Q1
$172M Buy
351,641
+16,255
+5% +$8.14M 0.42% 56
2020
Q4
$168M Buy
335,386
+33,328
+11% +$14.9M 0.44% 56
2020
Q3
$119M Buy
302,058
+33,862
+13% +$12.5M 0.37% 73
2020
Q2
$88.5M Sell
268,196
-32,596
-11% -$9.44M 0.3% 87
2020
Q1
$72.9M Buy
300,792
+104,069
+53% +$27.2M 0.29% 82
2019
Q4
$51.4M Buy
196,723
+135,058
+219% +$35.6M 0.16% 173
2019
Q3
$16.8M Sell
61,665
-864
-1% -$240K 0.06% 347
2019
Q2
$17.2M Sell
62,529
-8,839
-12% -$2.18M 0.06% 360
2019
Q1
$16M Sell
71,368
-50,858
-42% -$10.5M 0.06% 386
2018
Q4
$22.7M Sell
122,226
-33,179
-21% -$6.8M 0.1% 262
2018
Q3
$38.8M Buy
155,405
+8,243
+6% +$2M 0.15% 180
2018
Q2
$32.1M Buy
147,162
+3,248
+2% +$669K 0.15% 181
2018
Q1
$27.5M Sell
143,914
-18,049
-11% -$3.33M 0.13% 212
2017
Q4
$25.3M Buy
161,963
+4,942
+3% +$778K 0.13% 196
2017
Q3
$24.4M Buy
157,021
+7,176
+5% +$1.13M 0.15% 176
2017
Q2
$24.2M Buy
149,845
+22,180
+17% +$3.6M 0.16% 170
2017
Q1
$19.7M Buy
127,665
+4,662
+4% +$643K 0.13% 189
2016
Q4
$14.4M Buy
123,003
+13,251
+12% +$1.51M 0.11% 217
2016
Q3
$12.4M Buy
109,752
+108,976
+14,043% +$11.5M 0.09% 244
2016
Q2
$72K Buy
+776
New +$66.6K ﹤0.01% 756

Other funds holding IDXX

Robeco Institutional Asset Management's IDXX Position: Q1 2026 in Review

Robeco Institutional Asset Management increased its Idexx Laboratories (IDXX) stake by 2% in Q1 2026, buying an estimated $2.33M and bringing the position to 189,760 shares worth $107M. The position accounts for 0.15% of the portfolio, ranked #164.

Robeco Institutional Asset Management first reported a position in IDXX in Q2 2016 and has held it in 40 quarters since. The position peaked at $235M in Q4 2021. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Robeco Institutional Asset Management held 189,760 shares of Idexx Laboratories worth $107M as of Q1 2026.
  • Robeco Institutional Asset Management bought 3,633 Idexx Laboratories shares in Q1 2026, an estimated $2.33M.
  • Idexx Laboratories made up 0.15% of Robeco Institutional Asset Management's portfolio in Q1 2026, its #164 holding.
  • Robeco Institutional Asset Management first reported a position in Idexx Laboratories in Q2 2016 and has held it in 40 quarters since.
  • Robeco Institutional Asset Management's Idexx Laboratories position peaked at $235M in Q4 2021.
  • 1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Robeco Institutional Asset Management's 13F filing for Q1 2026, filed 21 Apr 2026.