IDXX

IDEXX LABORATORIES INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary

IDEXX LABORATORIES INC (IDXX) is held as common stock by 7 tracked hedge-fund managers, with a combined reported value of ~$472.88M; the largest are Terry Smith, Steven Cohen, Renaissance Technologies. 3 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 4 added, 3 trimmed, 2 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.

Attention · MediumThis quarter · Mixed

Common-stock holders73 also report options

Congress trades20

Price$529.06vs quarter-end+0.50%

Sectors1

This quarter's moves

New0

Added4

Trimmed / sold5

Top holder

Terry Smith

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Terry SmithTrim

Value $172.18M3.8% of portfolio327,0582026 Q2

Investor	Period	Value	Shares	% of portfolio	Action
Terry Smith	2026 Q2	$172.18M	327,058	3.8%	Trim

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Izzy EnglanderCALL—

Value $9.53M— of portfolio18,1002026 Q2

Ken GriffinCALL—

Value $8.58M— of portfolio16,3002026 Q2

Ken GriffinPUT—

Value $6.37M— of portfolio12,1002026 Q2

Steven CohenCALL—

Value $579.1K— of portfolio1,1002026 Q2

Investor	Period	Value	Shares	% of portfolio	Action
Izzy EnglanderCALL	2026 Q2	$9.53M	18,100	—	—
Ken GriffinCALL	2026 Q2	$8.58M	16,300	—	—
Ken GriffinPUT	2026 Q2	$6.37M	12,100	—	—
Steven CohenCALL	2026 Q2	$579.1K	1,100	—	—

Insider Trading

Officers · directors · Form 4

Open-market purchases and sales (P/S)1

Lawrence D Kingsley
Director
Sell$1.17M
2,203 @ $532.08Traded 2026-09-04Filed 2026-09-09

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.