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Winton Group’s Idexx Laboratories IDXX Stock Holding History

Winton Group’s Portfolio IDXX Stock Details IDXX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-2,056
Closed -$1.16M – 1331
2026
Q1 		$1.16M Buy
2,056
+587
+40% +$376K 0.04% 505
2025
Q4 		$994K Sell
1,469
-620
-30% -$422K 0.03% 487
2025
Q3 		$1.33M Buy
+2,089
New +$1.27M 0.05% 336
2025
Q2 		– Sell
-8,314
Closed -$3.49M – 902
2025
Q1 		$3.49M Sell
8,314
-7,186
-46% -$3.12M 0.21% 113
2024
Q4 		$6.41M Buy
+15,500
New +$6.8M 0.43% 50
2024
Q3 		– Sell
-1,260
Closed -$614K – 704
2024
Q2 		$614K Sell
1,260
-94
-7% -$47.2K 0.04% 397
2024
Q1 		$731K Buy
+1,354
New +$740K 0.05% 404
2023
Q4 		– Sell
-937
Closed -$410K – 793
2023
Q3 		$410K Sell
937
-47
-5% -$23.4K 0.03% 344
2023
Q2 		$494K Buy
+984
New +$472K 0.04% 322
2022
Q1 		– Sell
-576
Closed -$379K – 1052
2021
Q4 		$379K Sell
576
-2,896
-83% -$1.82M 0.02% 759
2021
Q3 		$2.16M Buy
3,472
+1,700
+96% +$1.14M 0.12% 162
2021
Q2 		$1.12M Sell
1,772
-181
-9% -$99.9K 0.06% 466
2021
Q1 		$956K Sell
1,953
-358
-15% -$179K 0.05% 491
2020
Q4 		$1.16M Sell
2,311
-5,754
-71% -$2.57M 0.08% 337
2020
Q3 		$3.17M Sell
8,065
-6,003
-43% -$2.22M 0.1% 305
2020
Q2 		$4.64M Sell
14,068
-869
-6% -$252K 0.12% 245
2020
Q1 		$3.62M Sell
14,937
-19,593
-57% -$5.11M 0.1% 374
2019
Q4 		$9.02M Buy
34,530
+4,452
+15% +$1.17M 0.13% 272
2019
Q3 		$8.18M Buy
30,078
+25,068
+500% +$6.98M 0.1% 257
2019
Q2 		$1.38M Buy
5,010
+852
+20% +$210K 0.03% 341
2019
Q1 		$930K Sell
4,158
-2,066
-33% -$426K 0.02% 361
2018
Q4 		$1.16M Buy
6,224
+774
+14% +$159K 0.02% 329
2018
Q3 		$1.36M Buy
5,450
+320
+6% +$77.7K 0.03% 350
2018
Q2 		$1.12M Sell
5,130
-6,676
-57% -$1.38M 0.03% 404
2018
Q1 		$2.26M Sell
11,806
-6,211
-34% -$1.15M 0.06% 311
2017
Q4 		$2.82M Sell
18,017
-6,036
-25% -$950K 0.08% 343
2017
Q3 		$3.74M Buy
24,053
+20,772
+633% +$3.28M 0.12% 199
2017
Q2 		$530K Sell
3,281
-572
-15% -$92.9K 0.02% 493
2017
Q1 		$596K Buy
+3,853
New +$531K 0.02% 359
2016
Q4 		– Sell
-172,391
Closed -$19.4M – 465
2016
Q3 		$19.4M Buy
172,391
+1,717
+1% +$181K 0.33% 115
2016
Q2 		$15.8M Buy
+170,674
New +$14.7M 0.26% 147
2015
Q4 		– Sell
-210,210
Closed -$15.6M – 337
2015
Q3 		$15.6M Buy
210,210
+168,644
+406% +$12.1M 0.12% 262
2015
Q2 		$2.67M Sell
41,566
-124,264
-75% -$8.6M 0.02% 337
2015
Q1 		$12.8M Sell
165,830
-56,864
-26% -$4.43M 0.1% 271
2014
Q4 		$16.5M Sell
222,694
-101,798
-31% -$7.14M 0.2% 189
2014
Q3 		$19.1M Sell
324,492
-97,854
-23% -$6.19M 0.14% 261
2014
Q2 		$28.2M Buy
+422,346
New +$26.9M 0.19% 219

Other funds holding IDXX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

Winton Group's IDXX Position: Q2 2026 in Review

Winton Group sold out of Idexx Laboratories (IDXX) in Q2 2026, closing a stake of 2,056 shares — an estimated $1.16M sold.

Winton Group first reported a position in IDXX in Q2 2014 and held it in 37 quarters. The position peaked at $28.2M in Q2 2014. 1,046 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Winton Group reported no remaining Idexx Laboratories position as of Q2 2026 after selling out during the quarter.
  • Winton Group sold 2,056 Idexx Laboratories shares in Q2 2026, an estimated $1.16M.
  • Winton Group first reported a position in Idexx Laboratories in Q2 2014 and held it in 37 quarters.
  • Winton Group's Idexx Laboratories position peaked at $28.2M in Q2 2014.
  • 1,046 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.