IDEXX LABS INC ($IDXX)

2 tracked superinvestors hold IDEXX LABS INC (IDXX), worth $225M combined, led by Terry Smith. Smart money is trimming IDXX as of the latest 13F filings.

Current price

$535.38

Medical - Diagnostics & ResearchNASDAQUS

-16.4%

1Y

IDEXX Laboratories, Inc. is a global enterprise focused on creating, producing, and distributing a wide array of products and services. Its primary client base includes companion animal veterinary practices, the livestock and poultry industries, dairy operations, and water quality testing sectors. The company organizes its operations across several key divisions: the Companion Animal Group (CAG),…

Market cap

$45.2B

P/E

43.42

Div yield

Revenue YoY

Analyst target

Snapshot for context. For deep analysis use a stock screener — this page is about who owns it.

Superinvestors holding

2

tracked 13F / N-PORT funds

Combined value

$225M

disclosed long exposure

Tier-1 conviction

1

concentrated holders

Net this quarter

-2

0 buying · 2 selling

Smart money is net reducing IDXX: 2 funds trimmed versus 0 adding.

The smart-money take on IDXX

IDEXX LABS INC (IDXX) is held by 2 tracked funds worth $225M combined, 1 of them concentrated Tier-1 managers whose positions carry real conviction.

The largest position belongs to Terry Smith at 3.8% of their book — no single tracked manager treats it as an outsized, top-weighted bet.

No tracked fund opened a new position this quarter; 0 added and 2 trimmed, a net reduction.

Superinvestors holding IDXX

InvestorMove% of their portfolioPosition value
1
Terry Smith

Fundsmith

Trimmed3.8%$172M
3
Polen Capital

Polen Growth

Trimmed2.5%$53M

Tier badge = signal quality: 1 concentrated conviction · 2 quant/multi (context) · 3 retail & diversified. Only Tier 1 holdings feed the consensus signal.

Insiders filing to sell IDXX

1 insider filed SEC Form 144 for $1M of proposed sales in the last 90 days. A 144 is filed before the trade — see who else is selling.

InsiderSharesValueFiled
Lawrence D Kingsley2,203$1M2026-09-04

Frequently asked

Which superinvestors own IDXX?

2 tracked funds hold IDEXX LABS INC (IDXX), the largest being Terry Smith (Fundsmith) at 3.8% of its 13F portfolio. 1 of them are concentrated Tier-1 conviction managers.

Is smart money buying or selling IDXX?

In the most recent 13F quarter, 0 tracked funds added or opened IDXX and 2 trimmed it.

How much IDXX do tracked funds hold?

Combined disclosed long exposure to IDXX across tracked superinvestors is $225M as of the Jun 2026 filings.

Stocks often held alongside IDXX

Get alerted when superinvestors trade $IDXX

One email when a tracked manager opens, adds to or files to sell a position — from Form 4, 13D and Form 144, not the 45-day-old 13F.

Holdings aggregated from the latest SEC 13F & N-PORT filings via FMP · Jun 2026 quarter. Long equity positions only, reported with up to a 45-day delay — for activity between filings see real-time moves. Not financial advice.