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	$2.47M	Sell	4,400 -18,200	-81%	-$11.7M	0.05%	411
2025 Q4	$15.3M	Hold	22,600	–	–	0.13%	180
2025 Q3	$14.4M	Buy	+22,600	New	+$13.7M	0.06%	376
2024 Q3	–	Sell	-5,200	Closed	-$2.53M	–	1632
2024 Q2	$2.53M	Sell	5,200 -5,400	-51%	-$2.71M	0.01%	916
2024 Q1	$5.72M	Sell	10,600 -20,000	-65%	-$10.9M	0.01%	784
2023 Q4	$17M	Buy	30,600 +28,500	+1,357%	+$13.4M	0.03%	522
2023 Q3	$918K	Sell	2,100 -41,300	-95%	-$20.6M	﹤0.01%	982
2023 Q2	$21.8M	Hold	43,400	–	–	0.03%	392
2023 Q1	$21.7M	Buy	+43,400	New	+$20.8M	0.04%	384
2018 Q3	–	Sell	-4,100	Closed	-$894K	–	1161
2018 Q2	$894K	Buy	4,100 +2,800	+215%	+$577K	0.01%	797
2018 Q1	$249K	Sell	1,300 -24,400	-95%	-$4.5M	﹤0.01%	894
2017 Q4	$4.02M	Sell	25,700 -12,400	-33%	-$1.95M	0.03%	448
2017 Q3	$5.92M	Buy	+38,100	New	+$6.02M	0.05%	331
2015 Q2	–	Sell	-400	Closed	-$31K	–	1388
2015 Q1	$31K	Hold	400	–	–	﹤0.01%	1076
2014 Q4	$30K	Buy	+400	New	+$28.1K	﹤0.01%	1021

Other funds holding IDXX

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return

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.