Jane Street
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Jane Street’s Idexx Laboratories IDXX Stock Holding History

Jane Street’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 		$5.39M Sell
9,600
-23,200
-71% -$14.9M ﹤0.01% 3396
2025
Q4 		$22.2M Buy
32,800
+23,200
+242% +$15.8M ﹤0.01% 1530
2025
Q3 		$6.13M Buy
9,600
+1,400
+17% +$850K ﹤0.01% 3116
2025
Q2 		$4.4M Sell
8,200
-17,400
-68% -$8.32M ﹤0.01% 3175
2025
Q1 		$10.8M Sell
25,600
-13,300
-34% -$5.78M ﹤0.01% 1903
2024
Q4 		$16.1M Sell
38,900
-1,800
-4% -$790K ﹤0.01% 1451
2024
Q3 		$20.6M Buy
40,700
+36,400
+847% +$17.7M ﹤0.01% 1218
2024
Q2 		$2.09M Buy
4,300
+1,800
+72% +$904K ﹤0.01% 4391
2024
Q1 		$1.35M Sell
2,500
-3,000
-55% -$1.64M ﹤0.01% 4843
2023
Q4 		$3.05M Buy
5,500
+1,700
+45% +$798K ﹤0.01% 3603
2023
Q3 		$1.66M Sell
3,800
-32,500
-90% -$16.2M ﹤0.01% 4349
2023
Q2 		$18.2M Sell
36,300
-14,200
-28% -$6.8M 0.01% 1305
2023
Q1 		$25.3M Buy
50,500
+1,700
+3% +$814K 0.01% 852
2022
Q4 		$19.9M Buy
48,800
+39,100
+403% +$15.2M 0.01% 1013
2022
Q3 		$3.16M Sell
9,700
-32,100
-77% -$11.8M ﹤0.01% 3357
2022
Q2 		$14.7M Buy
41,800
+19,500
+87% +$7.95M 0.01% 1374
2022
Q1 		$12.2M Sell
22,300
-42,000
-65% -$22.1M ﹤0.01% 1742
2021
Q4 		$42.3M Sell
64,300
-8,400
-12% -$5.27M 0.01% 724
2021
Q3 		$45.2M Buy
72,700
+46,300
+175% +$31.1M 0.02% 644
2021
Q2 		$16.7M Buy
26,400
+2,700
+11% +$1.49M 0.01% 1233
2021
Q1 		$11.6M Sell
23,700
-13,000
-35% -$6.51M 0.01% 1417
2020
Q4 		$18.3M Buy
36,700
+33,000
+892% +$14.8M 0.01% 927
2020
Q3 		$1.46M Sell
3,700
-18,800
-84% -$6.95M ﹤0.01% 3507
2020
Q2 		$7.43M Buy
22,500
+14,900
+196% +$4.31M 0.01% 1424
2020
Q1 		$1.84M Sell
7,600
-28,300
-79% -$7.39M ﹤0.01% 2103
2019
Q4 		$9.38M Buy
35,900
+33,500
+1,396% +$8.83M 0.01% 675
2019
Q3 		$653K Buy
+2,400
New +$668K ﹤0.01% 3176
2018
Q1 		– Sell
-2,900
Closed -$454K – 5063
2017
Q4 		$454K Buy
+2,900
New +$456K ﹤0.01% 3292

Other funds holding IDXX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Jane Street's IDXX Position: Q1 2026 in Review

Jane Street increased its Idexx Laboratories (IDXX) stake by 66% in Q1 2026, buying an estimated $3.84M and bringing the position to 14,998 shares worth $8.43M. The position accounts for ﹤0.01% of the portfolio, ranked #2755.

Jane Street first reported a position in IDXX in Q2 2013 and has held it in 45 quarters since. The position peaked at $22.5M in Q2 2022. 1,312 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Jane Street held 14,998 shares of Idexx Laboratories worth $8.43M as of Q1 2026.
  • Jane Street bought 5,984 Idexx Laboratories shares in Q1 2026, an estimated $3.84M.
  • Idexx Laboratories made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2755 holding.
  • Jane Street first reported a position in Idexx Laboratories in Q2 2013 and has held it in 45 quarters since.
  • Jane Street's Idexx Laboratories position peaked at $22.5M in Q2 2022.
  • 1,312 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.