Group One Trading
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Group One Trading’s Idexx Laboratories IDXX Stock Holding History

Group One Trading’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
Q1 		– Sell
-6,212
Closed -$4.2M – 8111
2025
Q4 		$4.2M Buy
6,212
+4,670
+303% +$3.18M 0.01% 1664
2025
Q3 		$985K Buy
1,542
+943
+157% +$572K ﹤0.01% 3045
2025
Q2 		$321K Buy
599
+511
+581% +$244K ﹤0.01% 3858
2025
Q1 		$37K Buy
88
+83
+1,660% +$36K ﹤0.01% 5389
2024
Q4 		$2.07K Buy
+5
New +$2.19K ﹤0.01% 6722
2023
Q4 		– Sell
-83
Closed -$39K – 7739
2023
Q3 		$36.3K Buy
+83
New +$41.4K ﹤0.01% 5392
2022
Q2 		– Sell
-3,784
Closed -$1.54M – 8113
2022
Q1 		$2.07M Sell
3,784
-5,446
-59% -$2.86M ﹤0.01% 2365
2021
Q4 		$6.08M Buy
+9,230
New +$5.79M ﹤0.01% 1531
2017
Q3 		– Sell
-400
Closed -$63.2K – 4967
2017
Q2 		$65K Buy
+400
New +$65K ﹤0.01% 3362

Other funds holding IDXX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $13.6B AUM 7.6% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Group One Trading's IDXX Position: Q1 2026 in Review

Group One Trading sold out of Idexx Laboratories (IDXX) in Q1 2026, closing a stake of 6,212 shares — an estimated $4.2M sold.

Group One Trading first reported a position in IDXX in Q2 2017 and held it in 9 quarters. The position peaked at $6.08M in Q4 2021. 1,318 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Group One Trading reported no remaining Idexx Laboratories position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 6,212 Idexx Laboratories shares in Q1 2026, an estimated $4.2M.
  • Group One Trading first reported a position in Idexx Laboratories in Q2 2017 and held it in 9 quarters.
  • Group One Trading's Idexx Laboratories position peaked at $6.08M in Q4 2021.
  • 1,318 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.