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	$18.8M	Sell	33,500 -7,800	-19%	-$5M	0.01%	1605
2025 Q4	$27.9M	Buy	41,300 +13,000	+46%	+$8.85M	0.01%	1247
2025 Q3	$18.1M	Sell	28,300 -10,900	-28%	-$6.62M	0.01%	1776
2025 Q2	$21M	Buy	39,200 +9,800	+33%	+$4.69M	0.01%	1527
2025 Q1	$12.3M	Buy	29,400 +27,700	+1,629%	+$12M	0.01%	1968
2024 Q4	$703K	Sell	1,700 -13,300	-89%	-$5.83M	﹤0.01%	4476
2024 Q3	$7.58M	Sell	15,000 -19,200	-56%	-$9.33M	﹤0.01%	2453
2024 Q2	$16.7M	Buy	34,200 +25,200	+280%	+$12.7M	0.01%	1655
2024 Q1	$4.86M	Sell	9,000 -14,900	-62%	-$8.14M	﹤0.01%	2893
2023 Q4	$13.3M	Buy	23,900 +6,900	+41%	+$3.24M	0.01%	1927
2023 Q3	$7.43M	Buy	17,000 +14,900	+710%	+$7.43M	﹤0.01%	2340
2023 Q2	$1.05M	Buy	2,100 +1,300	+163%	+$623K	﹤0.01%	4003
2023 Q1	$400K	Sell	800 -4,500	-85%	-$2.15M	﹤0.01%	4733
2022 Q4	$2.16M	Sell	5,300 -3,700	-41%	-$1.44M	﹤0.01%	3499
2022 Q3	$2.93M	Hold	9,000	–	–	﹤0.01%	3415
2022 Q2	$3.16M	Buy	+9,000	New	+$3.67M	﹤0.01%	3243
2022 Q1	–	Sell	-4,000	Closed	-$2.63M	–	7150
2021 Q4	$2.63M	Sell	4,000 -1,700	-30%	-$1.07M	﹤0.01%	3519
2021 Q3	$3.54M	Buy	5,700 +500	+10%	+$336K	﹤0.01%	3279
2021 Q2	$3.28M	Sell	5,200 -1,300	-20%	-$718K	﹤0.01%	3327
2021 Q1	$3.18M	Buy	6,500 +1,500	+30%	+$752K	﹤0.01%	3074
2020 Q4	$2.5M	Sell	5,000 -8,000	-62%	-$3.58M	﹤0.01%	3058
2020 Q3	$5.11K	Buy	13,000 +3,000	+30%	+$1.11M	0.01%	1822
2020 Q2	$3.3M	Buy	+10,000	New	+$2.9M	﹤0.01%	2135
2020 Q1	–	Sell	-15,000	Closed	-$3.92M	–	4146
2019 Q4	$3.92M	Buy	15,000 +13,000	+650%	+$3.43M	﹤0.01%	2127
2019 Q3	$543K	Buy	+2,000	New	+$557K	﹤0.01%	3204
2019 Q2	–	Sell	-10,000	Closed	-$2.24M	–	4219
2019 Q1	$2.24M	Buy	+10,000	New	+$2.06M	﹤0.01%	2333

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.