IDEXX LABORATORIES INC /DE

IDXXNASDAQ

$518.39+0.64 (+0.12%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

IDEXX LABORATORIES INC /DE price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-18.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	10.36%	$4.3B	0.06%	Not reported
Vanguard Capital Management LLC	6.53%	$2.71B	0.06%	Not reported
Vanguard Portfolio Management LLC	4.94%	$2.05B	0.09%	Not reported
State Street Corp	4.75%	$1.97B	0.06%	Not reported
Invesco Ltd.	4.58%	$1.9B	0.15%	Not reported
Geode Capital Management, LLC	3.25%	$1.35B	0.07%	Not reported
Bamco Inc	2.51%	$1.04B	1.56%	Add 21.02%
Morgan Stanley	1.72%	$714M	0.04%	Not reported
Bank of New York Mellon Corp	1.51%	$628M	0.10%	Not reported
Arrowstreet Capital, Limited Partnership	1.35%	$562M	0.25%	Not reported
Fundsmith LLP	1.29%	$537M	3.93%	Reduce 30.42%
Blair William & Co	1.16%	$484M	1.26%	Reduce 2.94%
Northern Trust Corp	1.16%	$483M	0.06%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1.16%	$480M	0.09%	Not reported
FMR LLC	1.04%	$433M	0.02%	Not reported
American Century Companies Inc	1.02%	$426M	0.19%	Not reported
Capital Research Global Investors	1.00%	$415M	0.06%	Not reported
JPMorgan Chase & Co	0.96%	$405M	0.02%	Not reported
Principal Financial Group Inc	0.94%	$391M	0.19%	Not reported
Goldman Sachs Group Inc	0.94%	$389M	0.03%	Not reported
Wellington Management Group LLP	0.92%	$383M	0.07%	Reduce 1.19%
Charles Schwab Investment Management Inc	0.82%	$342M	0.05%	Not reported
Legal & General Group Plc	0.78%	$325M	0.07%	Not reported
Dimensional Fund Advisors LP	0.77%	$321M	0.06%	Not reported
Amundi	0.72%	$300M	0.07%	Not reported
Polen Capital Management LLC	0.68%	$280M	2.41%	Reduce 23.49%
AustralianSuper Pty Ltd	0.66%	$273M	1.18%	Add 17.12%
Nuveen, LLC	0.61%	$255M	0.06%	Not reported
Bank of America Corp	0.60%	$251M	0.02%	Not reported
Vanguard Fiduciary Trust Co	0.57%	$238M	0.05%	Not reported
Nomura Asset Management International Inc.	0.53%	$222M	0.33%	Add 5.54%
Capital Counsel LLC	0.53%	$221M	8.62%	Reduce 0.25%
Alyeska Investment Group, L.P.	0.51%	$211M	0.54%	Not reported
Clearbridge Investments, LLC	0.48%	$200M	0.17%	Not reported
Deutsche Bank Ag\	0.48%	$199M	0.06%	Not reported
Montrusco Bolton Investments Inc.	0.47%	$196M	3.04%	Add 8.96%
Assenagon Asset Management S.A.	0.46%	$193M	0.12%	Not reported
UBS Group AG	0.46%	$192M	0.02%	Not reported
Norges Bank	0.45%	$186M	0.02%	Not reported
Baillie Gifford & Co	0.45%	$186M	0.17%	New Not reported
Neuberger Berman Group LLC	0.45%	$186M	0.12%	Not reported
Massachusetts Financial Services Co	0.43%	$180M	0.06%	New Not reported
Fundsmith Investment Services Ltd.	0.41%	$172M	3.81%	Reduce 32.09%
Squarepoint Ops LLC	0.40%	$166M	0.18%	Not reported
William Blair Investment Management, LLC	0.38%	$157M	0.47%	Reduce 15.21%
Bessemer Group Inc	0.37%	$152M	0.21%	Reduce 9.54%
Royal Bank of Canada	0.35%	$144M	0.02%	Not reported
Point72 Asset Management, L.P.	0.33%	$138M	0.15%	Not reported
Raymond James Financial Inc	0.33%	$138M	0.04%	Not reported
Comgest Global Investors S.A.S.	0.33%	$138M	3.04%	Add 19.15%

50 of 1,225 holders

Activity score

Premium

100

WEAK

STRONG

Unlock

AI Activity Analysis

Premium

Coming soonAI reads of insider, institutional and company activity will appear here for Premium accounts.

Historical Activity Patterns

Premium

Historical Activity PatternsHistorical periods where multiple activity categories converged, with subsequent market performance shown for context.Unlock