XTX Topco’s Idexx Laboratories IDXX Stock Holding History

XTX Topco’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	$6.37M	Buy	12,097 +7,612	+170%	+$4.27M	0.08%	273
2026 Q1	$2.52M	Buy	+4,485	New	+$2.88M	0.04%	672
2025 Q2	–	Sell	-3,126	Closed	-$1.31M	–	2726
2025 Q1	$1.31M	Buy	+3,126	New	+$1.36M	0.07%	402
2024 Q2	–	Sell	-426	Closed	-$230K	–	2136
2024 Q1	$230K	Sell	426 -1,146	-73%	-$626K	0.03%	1067
2023 Q4	$873K	Sell	1,572 -5,115	-76%	-$2.4M	0.19%	46
2023 Q3	$2.92M	Buy	+6,687	New	+$3.33M	0.5%	3
2023 Q2	–	Sell	-483	Closed	-$242K	–	1597
2023 Q1	$242K	Sell	483 -2,831	-85%	-$1.35M	0.05%	808
2022 Q4	$1.35M	Buy	+3,314	New	+$1.29M	0.29%	42
2022 Q2	–	Sell	-1,081	Closed	-$591K	–	966
2022 Q1	$591K	Buy	1,081 +578	+115%	+$304K	0.26%	109
2021 Q4	$331K	Buy	503 +82	+19%	+$51.5K	0.19%	163
2021 Q3	$262K	Buy	+421	New	+$283K	0.09%	389

Other funds holding IDXX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

XTX Topco's IDXX Position: Q2 2026 in Review

XTX Topco increased its Idexx Laboratories (IDXX) stake by 170% in Q2 2026, buying an estimated $4.27M and bringing the position to 12,097 shares worth $6.37M. The position accounts for 0.08% of the portfolio, ranked #273.

XTX Topco first reported a position in IDXX in Q3 2021 and has held it in 11 quarters since. 1,300 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

XTX Topco held 12,097 shares of Idexx Laboratories worth $6.37M as of Q2 2026.
XTX Topco bought 7,612 Idexx Laboratories shares in Q2 2026, an estimated $4.27M.
Idexx Laboratories made up 0.08% of XTX Topco's portfolio in Q2 2026, its #273 holding.
XTX Topco first reported a position in Idexx Laboratories in Q3 2021 and has held it in 11 quarters since.
1,300 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.