Millennium Management’s Idexx Laboratories IDXX Stock Holding History

Millennium 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	$1.74M	Sell	3,100 -10,400	-77%	-$6.67M	﹤0.01%	3999
2025 Q4	$9.13M	Sell	13,500 -23,100	-63%	-$15.7M	﹤0.01%	2361
2025 Q3	$23.4M	Sell	36,600 -51,800	-59%	-$31.4M	0.01%	1504
2025 Q2	$47.4M	Buy	88,400 +83,600	+1,742%	+$40M	0.02%	858
2025 Q1	$2.02M	Buy	+4,800	New	+$2.08M	﹤0.01%	3773
2024 Q4	–	Sell	-17,200	Closed	-$8.69M	–	6172
2024 Q3	$8.69M	Sell	17,200 -200	-1%	-$97.2K	﹤0.01%	2316
2024 Q2	$8.48M	Sell	17,400 -4,800	-22%	-$2.41M	﹤0.01%	2235
2024 Q1	$12M	Buy	22,200 +8,800	+66%	+$4.81M	0.01%	2023
2023 Q4	$7.44M	Buy	13,400 +200	+2%	+$93.9K	﹤0.01%	2449
2023 Q3	$5.77M	Buy	13,200 +10,200	+340%	+$5.09M	﹤0.01%	2563
2023 Q2	$1.51M	Buy	3,000 +200	+7%	+$95.8K	﹤0.01%	3716
2023 Q1	$1.4M	Buy	+2,800	New	+$1.34M	﹤0.01%	3769
2022 Q3	–	Sell	-1,000	Closed	-$351K	–	7245
2022 Q2	$351K	Hold	1,000	–	–	﹤0.01%	5234
2022 Q1	$547K	Buy	+1,000	New	+$526K	﹤0.01%	5052
2021 Q4	–	Sell	-2,800	Closed	-$1.74M	–	7061
2021 Q3	$1.74M	Sell	2,800 -5,000	-64%	-$3.36M	﹤0.01%	4079
2021 Q2	$4.93M	Sell	7,800 -600	-7%	-$331K	﹤0.01%	2776
2021 Q1	$4.11M	Buy	+8,400	New	+$4.21M	﹤0.01%	2792

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

Millennium Management's IDXX Position: Q1 2026 in Review

Millennium Management increased its Idexx Laboratories (IDXX) stake by 1,930% in Q1 2026, buying an estimated $42.9M and bringing the position to 70,446 shares worth $39.6M. The position accounts for 0.02% of the portfolio, ranked #1007.

Millennium Management first reported a position in IDXX in Q4 2013 and has held it in 45 quarters since. The position peaked at $181M in Q4 2023. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

Millennium Management held 70,446 shares of Idexx Laboratories worth $39.6M as of Q1 2026.
Millennium Management bought 66,976 Idexx Laboratories shares in Q1 2026, an estimated $42.9M.
Idexx Laboratories made up 0.02% of Millennium Management's portfolio in Q1 2026, its #1007 holding.
Millennium Management first reported a position in Idexx Laboratories in Q4 2013 and has held it in 45 quarters since.
Millennium Management's Idexx Laboratories position peaked at $181M in Q4 2023.
1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.