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, Q4 2023

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 2023. 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: 1,155; +108 vs. Q3 2023
Shares held: 73.0M; −708.8K (−1.0%) vs. Q3 2023
Total value: $40.5B; +$8.25B (+25.6%) vs. Q3 2023
New holders: 189; 351 more added
Sold out: 81; 424 more reduced

14 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 1,155 institutions

Value heldQ4 2023: $40.5B

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, Q4 2023

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2023.

Institutions holding IDXX in Q4 2023
Institution	Shares	Value	% of portfolio	Change in shares	Action
GPS Wealth Strategies Group, LLC	10	$5.55K	0.00%	00.0%	Unchanged
Oakworth Capital, Inc.	10	$5.55K	0.00%	+10	New
Rockbridge Investment Management, LCC	10	$5.55K	0.00%	+10	New
Frazier Financial Advisors, LLC	10	$5.55K	0.00%	+10	New
Wiser Advisor Group LLC	10	$5.55K	0.01%	+10	New
Mowery & Schoenfeld Wealth Management, LLC	10	$5.55K	0.01%	+10	New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	10	$5.55K	0.00%	00.0%	Unchanged
SJS Investment Consulting Inc.	10	$5.53K	0.00%	−2−16.7%	Reduced
Bear Mountain Capital, Inc.	10	$5.20K	0.00%	+10	New
Tradewinds Capital Management, LLC	9	$5.00K	0.00%	00.0%	Unchanged
Jones Financial Companies LLLP	9	$5.00K	0.00%	+7+350.0%	Added
JJJ Advisors Inc.	8	$4.44K	0.00%	−4−33.3%	Reduced
Hartford Financial Management Inc.	8	$4.44K	0.00%	+2+33.3%	Added
Aspire Private Capital, LLC	8	$4.44K	0.00%	00.0%	Unchanged
Sofos Investments, Inc.	8	$4.34K	0.00%	+1+14.3%	Added
Clear Street Markets LLC	7	$4.00K	0.00%	−2−22.2%	Reduced
Financial Management Professionals, Inc.	7	$4.00K	0.00%	00.0%	Unchanged
Long Island Wealth Management, Inc.	8	$4.00K	0.00%	+8	New
DiNuzzo Private Wealth, Inc.	7	$3.89K	0.00%	+7	New
Logan Capital Management Inc	7	$3.88K	0.00%	00.0%	Unchanged
Coppell Advisory Solutions LLC	7	$3.88K	0.00%	+7	New
Dunhill Financial, LLC	6	$3.19K	0.00%	+6	New
ClariVest Asset Management LLC	5	$2.78K	0.00%	+1+25.0%	Added
Lee Financial Co	5	$2.78K	0.00%	00.0%	Unchanged
Trifecta Capital Advisors, LLC	5	$2.78K	0.00%	00.0%	Unchanged
ORG Partners LLC	5	$2.77K	0.00%	−41−89.1%	Reduced
Focused Wealth Management, Inc	5	$2.77K	0.00%	00.0%	Unchanged
Jackson, Grant Investment Advisers, Inc.	5	$2.77K	0.00%	00.0%	Unchanged
Archer Investment Corp	5	$2.77K	0.00%	00.0%	Unchanged
Cape Investment Advisory, Inc.	5	$2.77K	0.00%	+5	New
North Star Investment Management Corp.	4	$2.22K	0.00%	00.0%	Unchanged
Country Trust Bank	4	$2.22K	0.00%	+4	New
Signature Resources Capital Management, LLC	4	$2.22K	0.00%	+4	New
Aspect Partners, LLC	4	$2.22K	0.00%	+4	New
Bruce G. Allen Investments, LLC	4	$2.22K	0.00%	+4	New
MCF Advisors LLC	3	$1.67K	0.00%	00.0%	Unchanged
BFSG, LLC	3	$1.67K	0.00%	+3	New
Longfellow Investment Management Co LLC	3	$1.67K	0.00%	00.0%	Unchanged
Gradient Investments LLC	3	$1.67K	0.00%	00.0%	Unchanged
Fairfield, Bush & Co.	3	$1.67K	0.00%	+3	New
Fairman Group, LLC	3	$1.67K	0.00%	+3	New
REAP Financial Group, LLC	3	$1.67K	0.00%	+3	New
SRS Capital Advisors, Inc.	2	$1.11K	0.00%	+2	New
Transamerica Financial Advisors, Inc.	1	$1.00K	0.00%	−7−87.5%	Reduced
PEAK6 Investments LLC	1	$712	0.00%	−1−50.0%	Reduced
Delos Wealth Advisors, LLC	1	$556	0.00%	00.0%	Unchanged
True Wealth Design, LLC	1	$556	0.00%	00.0%	Unchanged
Cherry Tree Wealth Management, LLC	1	$556	0.00%	00.0%	Unchanged
Johnson Financial Group, Inc.	1	$556	0.00%	+1	New
WealthCollab, LLC	1	$556	0.00%	+1	New
Tfo-TDC, LLC	1	$555	0.00%	00.0%	Unchanged
WestEnd Advisors, LLC	1	$555	0.00%	00.0%	Unchanged
Provence Wealth Management Group	1	$555	0.00%	00.0%	Unchanged
West Paces Advisors Inc.	1	$555	0.00%	+1	New
Dogwood Wealth Management LLC	0	$7	0.00%	0	New
GQG Partners LLC	0	$0	0.00%	−931,886−100.0%	Sold out
Echo Street Capital Management LLC	0	$0	0.00%	−254,556−100.0%	Sold out
Renaissance Technologies LLC	0	$0	0.00%	−124,804−100.0%	Sold out
Sofinnova Investments, Inc.	0	$0	0.00%	−77,881−100.0%	Sold out
Jupiter Asset Management Ltd	0	$0	0.00%	−63,994−100.0%	Sold out
Voloridge Investment Management, LLC	0	$0	0.00%	−11,826−100.0%	Sold out
FORA Capital, LLC	0	$0	0.00%	−9,404−100.0%	Sold out
Schonfeld Strategic Advisors LLC	0	$0	0.00%	−8,201−100.0%	Sold out
Cubist Systematic Strategies, LLC	0	$0	0.00%	−8,102−100.0%	Sold out
Jag Capital Management, LLC	0	$0	0.00%	−7,232−100.0%	Sold out
Element Capital Management LLC	0	$0	0.00%	−6,685−100.0%	Sold out
Quadrature Capital Ltd	0	$0	0.00%	−6,314−100.0%	Sold out
Y-Intercept (Hong Kong) Ltd	0	$0	0.00%	−6,176−100.0%	Sold out
Occudo Quantitative Strategies LP	0	$0	0.00%	−6,164−100.0%	Sold out
Synovus Financial Corp	0	$0	0.00%	−5,698−100.0%	Sold out
Montanaro Asset Management Ltd	0	$0	0.00%	−5,000−100.0%	Sold out
Magnetar Financial LLC	0	$0	0.00%	−4,745−100.0%	Sold out
Employees Retirement System of Texas	0	$0	0.00%	−4,412−100.0%	Sold out
Trium Capital LLP	0	$0	0.00%	−4,111−100.0%	Sold out
Meyer Handelman Co	0	$0	0.00%	−3,994−100.0%	Sold out
First Hawaiian Bank	0	$0	0.00%	−3,919−100.0%	Sold out
Caxton Associates LP	0	$0	0.00%	−3,911−100.0%	Sold out
Aigen Investment Management, LP	0	$0	0.00%	−3,811−100.0%	Sold out
Quantitative Investment Management, LLC	0	$0	0.00%	−3,689−100.0%	Sold out
Worldquant Millennium Advisors LLC	0	$0	0.00%	−3,627−100.0%	Sold out
Handelsinvest Investeringsforvaltning	0	$0	0.00%	−3,415−100.0%	Sold out
Dark Forest Capital Management LP	0	$0	0.00%	−3,412−100.0%	Sold out
Prelude Capital Management, LLC	0	$0	0.00%	−2,477−100.0%	Sold out
Tudor Investment Corp Et Al	0	$0	0.00%	−2,402−100.0%	Sold out
Cornercap Investment Counsel Inc	0	$0	0.00%	−1,933−100.0%	Sold out
Lifestyle Asset Management, Inc.	0	$0	0.00%	−1,864−100.0%	Sold out
Garda Capital Partners LP	0	$0	0.00%	−1,858−100.0%	Sold out
Capstone Investment Advisors, LLC	0	$0	0.00%	−1,500−100.0%	Sold out
Two Sigma Securities, LLC	0	$0	0.00%	−1,376−100.0%	Sold out
Centiva Capital, LP	0	$0	0.00%	−1,354−100.0%	Sold out
PAX Financial Group, LLC	0	$0	0.00%	−1,255−100.0%	Sold out
Fund Management at Engine No. 1 LLC	0	$0	0.00%	−1,187−100.0%	Sold out
Inceptionr LLC	0	$0	0.00%	−1,180−100.0%	Sold out
Permanens Capital L.P.	0	$0	0.00%	−1,100−100.0%	Sold out
Kapitalo Investimentos Ltda	0	$0	0.00%	−998−100.0%	Sold out
Advanced Portfolio Management, LLC	0	$0	0.00%	−943−100.0%	Sold out
Winton Group Ltd	0	$0	0.00%	−937−100.0%	Sold out
Moody National Bank Trust Division	0	$0	0.00%	−922−100.0%	Sold out
CenterBook Partners LP	0	$0	0.00%	−921−100.0%	Sold out
Keebeck Alpha, LP	0	$0	0.00%	−877−100.0%	Sold out