IDEXX Laboratories Inc

IDXX

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

SEC filings (opens in a new tab)

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.

13F holders, Q1 2026

Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 1,318; −46 vs. Q4 2025
Shares held: 73.3M; +1.79M (+2.5%) vs. Q4 2025
Total value: $41.2B; −$1.72B (−4.0%) vs. Q4 2025
New holders: 125; 435 more added
Sold out: 171; 517 more reduced

21 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IDXX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 1,318 institutions

Value heldQ1 2026: $41.2B

Institutions holding IDXX and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,306	$39.1B
Q1 2026	1,318	$41.2B
Q4 2025	1,385	$50.3B
Q3 2025	1,302	$46.1B
Q2 2025	1,234	$40.0B
Q1 2025	1,143	$31.1B
Q4 2024	1,124	$29.8B
Q3 2024	1,117	$36.7B
Q2 2024	1,110	$36.4B
Q1 2024	1,147	$39.1B
Q4 2023	1,155	$40.5B
Q3 2023	1,061	$32.4B
Q2 2023	1,069	$36.7B
Q1 2023	1,058	$36.4B
Q4 2022	1,001	$30.0B
Q3 2022	925	$24.0B
Q2 2022	959	$25.9B
Q1 2022	1,036	$39.7B
Q4 2021	1,110	$47.1B
Q3 2021	1,063	$44.6B
Q2 2021	1,037	$46.1B
Q1 2021	1,015	$35.6B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2025.

Institutions holding IDXX in Q1 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
First Interstate Bank	0	$0	0.00%	−350−100.0%	Sold out
Wallace Capital Management Inc.	0	$0	0.00%	−350−100.0%	Sold out
Marex Group plc	0	$0	0.00%	−350−100.0%	Sold out
SeaCrest Wealth Management, LLC	0	$0	0.00%	−330−100.0%	Sold out
Baldwin Brothers Inc	0	$0	0.00%	−347−100.0%	Sold out
JGP Global Gestao de Recursos Ltda.	0	$0	0.00%	−342−100.0%	Sold out
Haverford Trust Co	0	$0	0.00%	−341−100.0%	Sold out
Wrapmanager Inc	0	$0	0.00%	−341−100.0%	Sold out
Occudo Quantitative Strategies LP	0	$0	0.00%	−341−100.0%	Sold out
Twelve Points Wealth Management LLC	0	$0	0.00%	−320−100.0%	Sold out
Advisory Alpha, LLC	0	$0	0.00%	−331−100.0%	Sold out
Lantern Wealth Advisors, LLC	0	$0	0.00%	−330−100.0%	Sold out
Index Fund Advisors, Inc.	0	$0	0.00%	−329−100.0%	Sold out
Ewa, LLC	0	$0	0.00%	−329−100.0%	Sold out
NorthCrest Asset Manangement, LLC	0	$0	0.00%	−325−100.0%	Sold out
Drive Wealth Management, LLC	0	$0	0.00%	−325−100.0%	Sold out
Cambria Investment Management, L.P.	0	$0	0.00%	−324−100.0%	Sold out
Values Added Financial LLC	0	$0	0.00%	−324−100.0%	Sold out
Kathmere Capital Management, LLC	0	$0	0.00%	−320−100.0%	Sold out
Family Wealth Group, LLC	0	$0	0.00%	−320−100.0%	Sold out
Perbak Capital Partners LLP	0	$0	0.00%	−319−100.0%	Sold out
Quotient Wealth Partners, LLC	0	$0	0.00%	−318−100.0%	Sold out
Panagora Asset Management Inc	0	$0	0.00%	−317−100.0%	Sold out
Pinnacle Wealth Management Advisory Group, LLC	0	$0	0.00%	−317−100.0%	Sold out
Hengehold Capital Management LLC	0	$0	0.00%	−315−100.0%	Sold out
National Asset Management, Inc.	0	$0	0.00%	−314−100.0%	Sold out
Patton Fund Management, Inc.	0	$0	0.00%	−314−100.0%	Sold out
Citizens Business Bank	0	$0	0.00%	−312−100.0%	Sold out
Concord Wealth Partners	0	$0	0.00%	−311−100.0%	Sold out
Concord Asset Management, LLC	0	$0	0.00%	−311−100.0%	Sold out
Klingman & Associates, LLC	0	$0	0.00%	−310−100.0%	Sold out
McDonald Partners LLC	0	$0	0.00%	−310−100.0%	Sold out
Stonebrook Private Inc.	0	$0	0.00%	−309−100.0%	Sold out
Financial Management Network Inc	0	$0	0.00%	−312−100.0%	Sold out
Oxford Asset Management LLP	0	$0	0.00%	−307−100.0%	Sold out
Livet Wealth, LLC	0	$0	0.00%	−305−100.0%	Sold out
Capital Investment Advisory Services, LLC	0	$0	0.00%	−304−100.0%	Sold out
Hudson Value Partners, LLC	0	$0	0.00%	−300−100.0%	Sold out
Old Peak Finance LLC	0	$0	0.00%	−302−100.0%	Sold out
3Chopt Investment Partners, LLC	0	$0	0.00%	−301−100.0%	Sold out
City National Bank of Florida	0	$0	0.00%	−300−100.0%	Sold out
Strategic Point Investment Advisors, LLC	0	$0	0.00%	−300−100.0%	Sold out
Vicus Capital	0	$0	0.00%	−300−100.0%	Sold out
ABLE Financial Group, LLC	0	$0	0.00%	−300−100.0%	Sold out
Unified Investment Management	0	$0	0.00%	−300−100.0%	Sold out
Jacobs & Co	0	$0	0.00%	−300−100.0%	Sold out
PW Nova Financial Services LLC	0	$0	0.00%	−300−100.0%	Sold out
Cozad Asset Management Inc	0	$0	0.00%	−297−100.0%	Sold out
Alta Advisers Ltd	0	$0	0.00%	−296−100.0%	Sold out
Clear Street Markets LLC	0	$0	0.00%	−241−100.0%	Sold out
SageView Advisory Group, LLC	0	$0	0.00%	−229−100.0%	Sold out
SBI Okasan Asset Management Co.Ltd.	0	$0	0.00%	−200−100.0%	Sold out
Sentry Investment Management LLC	0	$0	0.00%	−193−100.0%	Sold out
Greenline Wealth Management LLC	0	$0	0.00%	−100−100.0%	Sold out
Quarry LP	0	$0	0.00%	−86−100.0%	Sold out
Reflection Asset Management	0	$0	0.00%	−78−100.0%	Sold out
Migdal Insurance & Financial Holdings Ltd.	0	$0	0.00%	−76−100.0%	Sold out
Lloyd Advisory Services, LLC.	0	$0	0.00%	−71−100.0%	Sold out
Financial Network Wealth Advisors LLC	0	$0	0.00%	−63−100.0%	Sold out
Plante Moran Financial Advisors, LLC	0	$0	0.00%	−50−100.0%	Sold out
Battery Global Advisors, LLC	0	$0	0.00%	−119−100.0%	Sold out
Ameliora Wealth Management Ltd.	0	$0	0.00%	−29−100.0%	Sold out
NFJ Investment Group, LLC	0	$0	0.00%	−27−100.0%	Sold out
Hurley Capital, LLC	0	$0	0.00%	−22−100.0%	Sold out
Laurel Wealth Advisors LLC	0	$0	0.00%	−22−100.0%	Sold out
Goodman Advisory Group, LLC	0	$0	0.00%	−20−100.0%	Sold out
Barnes Dennig Private Wealth Management LLC	0	$0	0.00%	−19−100.0%	Sold out
Howard Hughes Medical Institute	0	$0	0.00%	−17−100.0%	Sold out
IMG Wealth Management, Inc.	0	$0	0.00%	−17−100.0%	Sold out
IFC & Insurance Marketing, Inc.	0	$0	0.00%	−16−100.0%	Sold out
Vermillion & White Wealth Management Group, LLC	0	$0	0.00%	−15−100.0%	Sold out
MCF Advisors LLC	0	$0	0.00%	−13−100.0%	Sold out
Legacy Bridge, LLC	0	$0	0.00%	−13−100.0%	Sold out
T. Rowe Price Investment Management, Inc.	0	$0	0.00%	−10−100.0%	Sold out
Optima Capital LLC	0	$0	0.00%	−8−100.0%	Sold out
Tompkins Financial Corp	0	$0	0.00%	−6−100.0%	Sold out
Independence Bank of Kentucky	0	$0	0.00%	−6−100.0%	Sold out
Cape Investment Advisory, Inc.	0	$0	0.00%	−6−100.0%	Sold out
Wealth Watch Advisors, INC	0	$0	0.00%	−6−100.0%	Sold out
Winnow Wealth LLC	0	$0	0.00%	−3−100.0%	Sold out
Bellevue Asset Management, LLC	0	$0	0.00%	−3−100.0%	Sold out
Global Trust Asset Management, LLC	0	$0	0.00%	−2−100.0%	Sold out
Turning Point Benefit Group, Inc.	0	$0	0.00%	−2−100.0%	Sold out
Stone House Investment Management, LLC	0	$0	0.00%	−1−100.0%	Sold out
Luken Investment Analytics, LLC	0	$0	0.00%	−1−100.0%	Sold out
CBIZ Investment Advisory Services, LLC	0	$0	0.00%	−1−100.0%	Sold out
Davis Capital Management	0	$0	0.00%	−1−100.0%	Sold out
Acumen Wealth Advisors, LLC	0	$0	0.00%	−1−100.0%	Sold out
Ogorek Anthony Joseph	0	$0	0.00%	−1−100.0%	Sold out
Vanguard Group Inc	–	–	–	–	Not filed
Norges Bank	–	–	–	–	Not filed
CIBC Private Wealth Group, LLC	–	–	–	–	Not filed
CIBC World Markets Corp	–	–	–	–	Not filed
Forsta Ap-Fonden	–	–	–	–	Not filed
Comerica Bank	–	–	–	–	Not filed
Cape Cod Five Cents Savings Bank	–	–	–	–	Not filed
Capitolis Liquid Global Markets LLC	–	–	–	–	Not filed
Terra Alpha Investments LLC	–	–	–	–	Not filed
Global Retirement Partners, LLC	–	–	–	–	Not filed
Clarius Group, LLC	–	–	–	–	Not filed