J. Stern & Co’s Idexx Laboratories IDXX Stock Holding History

J. Stern & Co’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	$2.63M	Sell	4,686 -2,648,665	-100%	-$1.7B	0.26%	29
2025 Q4	$2.65B	Buy	2,653,351 +2,642,200	+23,695%	+$1.8B	0.23%	27
2025 Q3	$7.12M	Buy	11,151 +6,197	+125%	+$3.76M	0.54%	27
2025 Q2	$2.48M	Buy	4,954 +299	+6%	+$143K	0.21%	31
2025 Q1	$1.95M	Buy	4,655 +672	+17%	+$292K	0.19%	30
2024 Q4	$1.65M	Buy	3,983 +663	+20%	+$291K	0.16%	31
2024 Q3	$1.68M	Buy	3,320 +1,077	+48%	+$523K	0.18%	28
2024 Q2	$1.09M	Buy	2,243 +1,877	+513%	+$942K	0.13%	26
2024 Q1	$198K	Buy	366 +133	+57%	+$72.7K	0.03%	32
2023 Q4	$120K	Buy	+233	New	+$109K	0.02%	36

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

J. Stern & Co's IDXX Position: Q1 2026 in Review

J. Stern & Co reduced its Idexx Laboratories (IDXX) stake by 100% in Q1 2026, selling an estimated $1.7B and leaving 4,686 shares worth $2.63M. The position accounts for 0.26% of the portfolio, ranked #29.

J. Stern & Co first reported a position in IDXX in Q4 2023 and has held it in 10 quarters since. The position peaked at $2.65B in Q4 2025. 1,312 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

J. Stern & Co held 4,686 shares of Idexx Laboratories worth $2.63M as of Q1 2026.
J. Stern & Co sold 2,648,665 Idexx Laboratories shares in Q1 2026, an estimated $1.7B.
Idexx Laboratories made up 0.26% of J. Stern & Co's portfolio in Q1 2026, its #29 holding.
J. Stern & Co first reported a position in Idexx Laboratories in Q4 2023 and has held it in 10 quarters since.
J. Stern & Co's Idexx Laboratories position peaked at $2.65B in Q4 2025.
1,312 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on J. Stern & Co's 13F filing for Q1 2026, filed 15 May 2026.