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IDEXX Laboratories Inc

IDXX
Exchange
Nasdaq
Industry
In Vitro & In Vivo Diagnostic Substances
SEC CIK
0000874716

In the last 90 days, IDEXX Laboratories Inc insiders filed 0 open-market purchases and 1 sale; 1,306 institutions reported holding it in 13F filings for Q2 2026, worth $39.1B in total; 3 superinvestors hold it, including Fundsmith and Weitz Investment Management.

Q4 2025 vs. Q3 2025

How the institutions holding IDEXX Laboratories Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of IDXX: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders1,302281,385+111
Shares72.2M240.7K82.4M+10.5M (+14.6%)
Value$46.1B$153.8M$50.3B+$4.35B (+9.5%)

28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (191)

Institutions that held IDEXX Laboratories Inc at the end of Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 191 by value.

Institutions new to IDXX in Q4 2025
InstitutionSharesValue% of portfolio
Norges Bank491,131$332.3M0.04%
Nomura Asset Management International Inc.432,059$292.3M0.44%
Life Cycle Investment Partners Ltd70,825$47.9M0.34%
Tremblant Capital Group65,288$44.2M1.13%
TCW Group Inc64,744$43.8M0.31%
PFA Pension, Forsikringsaktieselskab49,811$34.0M0.10%
Holocene Advisors, LP45,721$30.9M0.07%
CIBC World Markets Corp43,043$29.1M0.15%
APG Asset Management N.V.45,774$26.4M0.07%
Eurizon Capital SGR S.p.A.24,379$16.5M0.05%
ExodusPoint Capital Management, LP22,386$15.1M0.17%
Jupiter Asset Management Ltd20,362$13.8M0.11%
Pinebridge Investments LLC18,471$12.5M0.09%
EFG International AG18,437$12.5M0.24%
Glenmede Trust Co NA17,901$12.1M0.06%
Cornerstone Advisors, LLC14,170$9.59M0.32%
PensionDanmark Pensionsforsikringsaktieselskab14,070$9.52M0.09%
Point72 Asset Management, L.P.11,204$7.58M0.01%
Walter Public Investments Inc.9,963$6.74M1.19%
Retail Employees Superannuation Pty Ltd as trustee for Retail Employees Superannuation Trust8,692$5.88M1.58%
Taproot Management LP8,681$5.87M0.95%
Eurizon SLJ Capital Ltd8,485$5.74M2.27%
Elyxium Wealth, LLC5,419,507$5.44M1.51%
Navellier & Associates Inc7,795$5.27M0.59%
NLB Skladi, upravljanje premozenja, d.o.o.6,351$4.30M0.20%
Landscape Capital Management, L.L.C.6,279$4.25M0.28%
Prospera Financial Services Inc6,191$4.19M0.07%
Osmosis Investment Management UK Ltd6,167$4.17M0.11%
EP Wealth Advisors, LLC5,617$3.80M0.02%
Transamerica Financial Advisors, Inc.5,101$3.45M0.29%
MidFirst Bank4,375$2.96M0.24%
Bridgeway Capital Management, LLC3,860$2.61M0.05%
Foundry Financial LLC3,853$2.61M1.37%
Virtu Financial LLC3,584$2.42M0.09%
Havemeyer Place LP3,510$2.37M0.47%
Union Savings Bank3,500$2.37M1.03%
North Dakota State Investment Board3,100$2.10M0.08%
Fortem Financial Group, LLC3,057$2.07M0.55%
Laird Norton Trust Company, LLC2,955$2.00M0.04%
Procyon Private Wealth Partners, LLC2,905$1.97M0.10%
Capitolis Liquid Global Markets LLC2,631$1.78M0.01%
Titan Investment Management LLC2,476$1.68M1.53%
IPG Investment Advisors LLC2,216$1.50M0.26%
Sienna Gestion2,141$1.45M0.09%
V-Square Quantitative Management LLC1,937$1.31M0.14%
Walleye Trading LLC1,879$1.27M0.02%
Fieldview Capital Management, LLC1,871$1.27M0.21%
Journey Retirement Planning & Investment Management LLC1,864$1.26M0.26%
Terra Alpha Investments LLC1,835$1.24M1.27%
Third View Private Wealth, LLC1,782$1.21M0.16%
Ducere Wealth Management LLC1,591$1.08M0.42%
Magnetar Financial LLC1,552$1.05M0.01%
Sargent Investment Group, LLC1,325$896.4K0.11%
Scientech Research LLC1,293$874.8K0.55%
Campbell & CO Investment Adviser LLC1,238$837.5K0.04%
New England Research & Management, Inc.1,200$811.8K0.36%
Oak Thistle LLC1,168$790.2K0.11%
Cookson Peirce & Co Inc1,034$699.5K0.03%
BDFS Capital LLC992$671.1K0.34%
71 West Capital Partners936$633.2K0.03%
RM Financial Services, LLC925$625.8K0.56%
Essential Investment Partners LLC873$590.6K0.56%
Dynamic Technology Lab Private Ltd856$579.0K0.13%
Basecamp Wealth Advisors LLC833$563.5K0.12%
Ashton Thomas Securities, LLC776$525.0K0.10%
Ledyard National Bank726$491.2K0.04%
Fideuram Asset Management (Ireland) dac1,007$490.4K0.04%
Xxi Wealth, LLC702$474.9K0.29%
PCM Encore, LLC692$467.9K0.10%
Massar Capital Management, LP689$466.1K0.09%
Prosperity Consulting Group, LLC647$437.7K0.02%
Evolve Private Wealth, LLC620$419.4K0.02%
Optas, LLC588$397.8K0.06%
OpenArc Corporate Advisory, LLC569$384.9K0.01%
WBI Investments562$380.1K0.10%
Essential Planning, LLC.559$378.2K0.12%
Wellspring Financial Advisors, LLC533$360.6K0.03%
Frec Markets, Inc.531$359.5K0.11%
Blueshift Asset Management, LLC528$357.2K0.10%
Picton Mahoney Asset Management525$355.2K0.00%
RMR Wealth Builders506$342.3K0.03%
Advisory Advocates, LLC477$322.7K0.32%
AlphaGrep UK Ltd475$321.4K0.11%
Cauble & Harre Wealth Management, Inc.464$313.9K0.26%
PharVision Advisers, LLC463$313.2K0.16%
Roundview Capital LLC435$294.3K0.02%
SmartHarvest Portfolios, LLC432$292.3K0.10%
Hennion & Walsh Asset Management, Inc.422$285.5K0.01%
Calamos Wealth Management LLC416$281.4K0.01%
Boothbay Fund Management, LLC413$279.4K0.01%
ADAR1 Capital Management, LLC400$270.6K0.02%
Sapient Capital LLC389$265.4K0.00%
Keudell/Morrison Wealth Management392$265.2K0.06%
Keating Financial Advisory Services, Inc.375$253.7K0.03%
Connecticut Wealth Management, LLC374$253.0K0.01%
JMN Financial LLC374$253.0K0.25%
Clark Capital Management Group, Inc.371$251.0K0.00%
Capital Performance Advisors LLP370$250.3K0.02%
Stirlingshire Investments, Inc.369$249.6K0.22%
Coyle Financial Counsel LLC366$247.6K0.05%

Sold out (80)

Institutions that held IDEXX Laboratories Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of IDXX in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Generation Investment Management LLP260,394$166.4M
Waycross Partners, LLC43,471$27.8M
Lountzis Asset Management, LLC32,708$20.9M
Tang Capital Management LLC16,000$10.2M
Segall Bryant & Hamill, LLC14,343$9.16M
Kovitz Investment Group Partners, LLC11,794$7.54M
Alta Capital Management LLC10,202$6.52M
Aquatic Capital Management LLC8,299$5.30M
Schonfeld Strategic Advisors LLC8,291$5.30M
Munich Reinsurance Co Stock Corp in Munich7,812$4.99M
Bayesian Capital Management, LP7,200$4.60M
Tudor Investment Corp Et Al6,614$4.23M
Camarda Financial Advisors, LLC5,098$3.26M
Mirabella Financial Services LLP4,401$2.81M
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund4,100$2.62M
Simplex Trading, LLC3,310$2.11M
Hancock Whitney Corp3,133$2.00M
Brevan Howard Capital Management LP3,030$1.94M
Engineers Gate Manager LP2,688$1.72M
Dark Forest Capital Management LP2,580$1.65M
Equitable Trust Co2,318$1.48M
Oddo BHF Asset Management SAS2,294$1.47M
Redwood Investment Management, LLC1,919$1.23M
Ninety One SA (PTY) Ltd1,905$1.22M
Encompass More Asset Management1,439$919.4K
Applied Finance Capital Management, LLC1,251$799.3K
SummitTX Capital, L.P.1,176$751.3K
ISAM Funds (UK) Ltd1,113$711.1K
Voleon Capital Management LP1,099$702.1K
Unique Wealth Strategies, LLC969$618.8K
Semanteon Capital Management, LP888$567.3K
Element Capital Management LLC793$506.6K
Keystone Financial Group733$468.3K
Brighton Jones LLC731$467.3K
Yeomans Consulting Group, Inc.725$449.6K
Pitcairn Co700$447.2K
Two Sigma Securities, LLC649$414.6K
Archetype Wealth Partners541$346.0K
Counterpoint Mutual Funds LLC506$323.3K
Catalyst Funds Management Pty Ltd500$319.4K
Arete Wealth Advisors, LLC492$316.0K
Retireful, LLC491$313.7K
World Equity Group, Inc.487$311.1K
Simon Quick Advisors, LLC481$307.3K
180 Wealth Advisors, LLC465$296.8K
Lombard Odier Asset Management (USA) Corp463$295.8K
Cornerstone Wealth Management, LLC452$288.8K
Congress Park Capital LLC450$287.5K
Main Street Research LLC411$262.6K
Summit Wealth Group LLC4,351$262.3K
Meiji Yasuda Life Insurance Co409$261.3K
Aigen Investment Management, LP399$254.9K
Blue Barn Wealth, LLC399$254.9K
Center For Asset Management LLC391$249.8K
Robinson Smith Wealth Advisors LLC380$242.8K
PUREfi Wealth, LLC374$238.9K
Riverwater Partners LLC354$226.2K
Beirne Wealth Consulting Services, LLC349$223.0K
Requisite Capital Management, LLC344$219.8K
One Capital Management, LLC324$207.0K
Purkiss Capital Advisors LLC322$205.7K
Crescent Grove Advisors, LLC321$205.1K
State of Wyoming108$69.0K
JPL Wealth Management, LLC106$67.7K
Itau Unibanco Holding S.A.72$46.0K
Caitong International Asset Management Co., Ltd56$35.8K
Geo Capital Gestora de Recursos Ltd44$28.0K
Koesten, Hirschmann & Crabtree, INC.25$16.0K
GPS Wealth Strategies Group, LLC20$12.8K
Activest Wealth Management16$10.2K
North Capital, Inc.13$8.31K
Cloud Capital Management, LLC12$7.00K
Main Street Group, LTD10$6.39K
Grey Fox Wealth Advisors, LLC8$5.11K
Tortoise Investment Management, LLC5$3.19K
Jackson, Grant Investment Advisers, Inc.5$3.19K
Quest 10 Wealth Builders, Inc.5$3.19K
Core Alternative Capital3$1.92K
Maseco LLP2$1.28K
Y.D. More Investments Ltd21$40

Not filed for Q4 2025 yet (28)

Institutions that held IDEXX Laboratories Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IDXX in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Aware Super Pty Ltd as trustee of Aware Super62,291$39.8M
Pinebridge Investments, L.P.49,500$31.6M
AXA Investment Managers S.A.32,588$20.8M
Cobblestone Capital Advisors LLC24,765$15.8M
Glenmede Investment Management, LP18,754$12.0M
CIBC Bancorp USA Inc.13,983$8.93M
EFG Asset Management (North America) Corp.10,149$6.48M
Stonegate Investment Group, LLC6,701$4.28M
EFG Asset Management (Americas) Corp.5,775$3.69M
Wolverine Trading, LLC3,245$2.05M
Tikehau Investment Management2,804$1.79M
Promus Capital, LLC2,451$1.57M
Shell Asset Management Co2,416$1.54M
Wetherby Asset Management Inc1,396$891.9K
Moloney Securities Asset Management, LLC722$461.3K
Oak Hill Wealth Advisors, LLC700$447.2K
Fullcircle Wealth LLC415$299.7K
Creekmur Asset Management LLC421$269.0K
Bristlecone Advisors, LLC401$256.2K
Eisler Capital Management Ltd.320$204.0K
Abich Financial Wealth Management LLC275$175.7K
Optimum Investment Advisors260$166.1K
Cove Street Capital, LLC180$115.0K
Hemington Wealth Management122$77.0K
FSA Wealth Management LLC50$31.9K
Guerra Advisors Inc10$6.39K
Binnacle Investments Inc8$5.11K
Texas Capital Bancshares Inc2$1.28K