Twin Tree Management
IDXX icon

Twin Tree Management’s Idexx Laboratories IDXX Stock Holding History

Twin Tree Management’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 		$112K Buy
+200
New +$128K ﹤0.01% 1153
2025
Q4 		– Sell
-7,200
Closed -$4.6M – 1563
2025
Q3 		$4.6M Buy
+7,200
New +$4.37M 0.02% 775
2020
Q2 		– Sell
-10,700
Closed -$2.59M – 1569
2020
Q1 		$2.59M Sell
10,700
-31,900
-75% -$8.33M 0.01% 654
2019
Q4 		$11.1M Sell
42,600
-91,300
-68% -$24.1M 0.04% 328
2019
Q3 		$36.4M Sell
133,900
-8,300
-6% -$2.31M 0.14% 110
2019
Q2 		$39.2M Buy
142,200
+29,300
+26% +$7.22M 0.19% 99
2019
Q1 		$25.2M Buy
112,900
+68,500
+154% +$14.1M 0.13% 136
2018
Q4 		$8.26M Buy
44,400
+29,900
+206% +$6.13M 0.05% 367
2018
Q3 		$3.62M Sell
14,500
-13,100
-47% -$3.18M 0.02% 466
2018
Q2 		$6.01M Sell
27,600
-6,900
-20% -$1.42M 0.04% 384
2018
Q1 		$6.6M Sell
34,500
-25,200
-42% -$4.65M 0.05% 288
2017
Q4 		$9.34M Sell
59,700
-9,600
-14% -$1.51M 0.07% 253
2017
Q3 		$10.8M Buy
+69,300
New +$11M 0.09% 226
2016
Q2 		– Sell
-4,600
Closed -$360K – 1294
2016
Q1 		$360K Sell
4,600
-3,000
-39% -$216K 0.01% 893
2015
Q4 		$554K Buy
7,600
+6,200
+443% +$442K 0.01% 835
2015
Q3 		$104K Hold
1,400
– – ﹤0.01% 1102
2015
Q2 		$90K Buy
+1,400
New +$96.9K ﹤0.01% 1169

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

Twin Tree Management's IDXX Position: Q1 2026 in Review

Twin Tree Management opened a new position in Idexx Laboratories (IDXX) in Q1 2026: 3 shares worth $1.69K. The stake represents ﹤0.01% of the portfolio and ranks #1237 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in IDXX as recently as Q1 2023.

Twin Tree Management first reported a position in IDXX in Q2 2015 and has held it in 25 quarters since. The position peaked at $10.9M in Q2 2018. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Twin Tree Management held 3 shares of Idexx Laboratories worth $1.69K as of Q1 2026.
  • Idexx Laboratories was a new Twin Tree Management position in Q1 2026.
  • Idexx Laboratories made up ﹤0.01% of Twin Tree Management's portfolio in Q1 2026, its #1237 holding.
  • Twin Tree Management first reported a position in Idexx Laboratories in Q2 2015 and has held it in 25 quarters since.
  • Twin Tree Management's Idexx Laboratories position peaked at $10.9M in Q2 2018.
  • 1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.