Greenfield Seitz Capital Management’s Idexx Laboratories IDXX Stock Holding History

Greenfield Seitz Capital 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 Q2	$2.56M	Buy	4,866 +213	+5%	+$119K	0.76%	39
2026 Q1	$2.61M	Sell	4,653 -113	-2%	-$72.5K	0.79%	41
2025 Q4	$3.22M	Sell	4,766 -39	-0.8%	-$26.6K	1.06%	35
2025 Q3	$3.07M	Sell	4,805 -6	-0.1%	-$3.64K	0.99%	36
2025 Q2	$2.58M	Buy	4,811 +37	+0.8%	+$17.7K	0.91%	38
2025 Q1	$2M	Buy	4,774 +126	+3%	+$54.7K	0.76%	37
2024 Q4	$1.92M	Buy	4,648 +95	+2%	+$41.7K	0.73%	40
2024 Q3	$2.3M	Buy	4,553 +6	+0.1%	+$2.92K	0.84%	37
2024 Q2	$2.22M	Buy	4,547 +24	+0.5%	+$12K	0.82%	42
2024 Q1	$2.44M	Sell	4,523 -89	-2%	-$48.6K	0.91%	37
2023 Q4	$2.56M	Buy	+4,612	New	+$2.17M	1.02%	33

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

Greenfield Seitz Capital Management's IDXX Position: Q2 2026 in Review

Greenfield Seitz Capital Management increased its Idexx Laboratories (IDXX) stake by 4.6% in Q2 2026, buying an estimated $119K and bringing the position to 4,866 shares worth $2.56M. The position accounts for 0.76% of the portfolio, ranked #39.

Greenfield Seitz Capital Management first reported a position in IDXX in Q4 2023 and has held it in 11 quarters since. The position peaked at $3.22M in Q4 2025. 1,296 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

Greenfield Seitz Capital Management held 4,866 shares of Idexx Laboratories worth $2.56M as of Q2 2026.
Greenfield Seitz Capital Management bought 213 Idexx Laboratories shares in Q2 2026, an estimated $119K.
Idexx Laboratories made up 0.76% of Greenfield Seitz Capital Management's portfolio in Q2 2026, its #39 holding.
Greenfield Seitz Capital Management first reported a position in Idexx Laboratories in Q4 2023 and has held it in 11 quarters since.
Greenfield Seitz Capital Management's Idexx Laboratories position peaked at $3.22M in Q4 2025.
1,296 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Greenfield Seitz Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.