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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.

13F holders, Q3 2025

Institutional positions in IDEXX Laboratories Inc as of Sep 30, 2025. 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
1,302
+88 vs. Q2 2025
Shares held
72.2M
−1.78M (−2.4%) vs. Q2 2025
Total value
$46.1B
+$6.43B (+16.2%) vs. Q2 2025
New holders
162
417 more added
Sold out
74
490 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,302 institutions
Q1 2021: 1,015 institutionsQ2 2021: 1,037 institutionsQ3 2021: 1,063 institutionsQ4 2021: 1,110 institutionsQ1 2022: 1,036 institutionsQ2 2022: 959 institutionsQ3 2022: 925 institutionsQ4 2022: 1,001 institutionsQ1 2023: 1,058 institutionsQ2 2023: 1,069 institutionsQ3 2023: 1,061 institutionsQ4 2023: 1,155 institutionsQ1 2024: 1,147 institutionsQ2 2024: 1,110 institutionsQ3 2024: 1,117 institutionsQ4 2024: 1,124 institutionsQ1 2025: 1,143 institutionsQ2 2025: 1,234 institutionsQ3 2025: 1,302 institutionsQ4 2025: 1,385 institutionsQ1 2026: 1,318 institutionsQ2 2026: 1,306 institutions
Value heldQ3 2025: $46.1B
Q1 2021: $35.6BQ2 2021: $46.1BQ3 2021: $44.6BQ4 2021: $47.1BQ1 2022: $39.7BQ2 2022: $25.9BQ3 2022: $24.0BQ4 2022: $30.0BQ1 2023: $36.4BQ2 2023: $36.7BQ3 2023: $32.4BQ4 2023: $40.5BQ1 2024: $39.1BQ2 2024: $36.4BQ3 2024: $36.7BQ4 2024: $29.8BQ1 2025: $31.1BQ2 2025: $40.0BQ3 2025: $46.1BQ4 2025: $50.3BQ1 2026: $41.2BQ2 2026: $39.1B
Institutions holding IDXX and their total value by quarter
QuarterHoldersValue
Q2 20261,306$39.1B
Q1 20261,318$41.2B
Q4 20251,385$50.3B
Q3 20251,302$46.1B
Q2 20251,234$40.0B
Q1 20251,143$31.1B
Q4 20241,124$29.8B
Q3 20241,117$36.7B
Q2 20241,110$36.4B
Q1 20241,147$39.1B
Q4 20231,155$40.5B
Q3 20231,061$32.4B
Q2 20231,069$36.7B
Q1 20231,058$36.4B
Q4 20221,001$30.0B
Q3 2022925$24.0B
Q2 2022959$25.9B
Q1 20221,036$39.7B
Q4 20211,110$47.1B
Q3 20211,063$44.6B
Q2 20211,037$46.1B
Q1 20211,015$35.6B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2025.

Institutions holding IDXX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Howard Bailey Securities, LLC795$507.9K0.14%−143−15.2%Reduced
Fidelis Capital Partners, LLC797$509.2K0.04%+20+2.6%Added
Destination Wealth Management797$509.2K0.01%+12+1.5%Added
Oppenheimer & Co Inc824$526.4K0.01%+46+5.9%Added
Corient IA LLC825$527.1K0.39%−51−5.8%Reduced
Wall Street Access Asset Management, LLC832$531.8K0.13%+25+3.1%Added
Ancora Advisors, LLC835$533.5K0.01%00.0%Unchanged
Pensionmark Financial Group, LLC841$537.3K0.01%−10−1.2%Reduced
Quest Partners LLC845$539.9K0.04%+447+112.3%Added
Generali Investments, Management Co LLC847$541.1K0.11%+487+135.3%Added
Monticello Wealth Management, LLC852$544.3K0.04%00.0%Unchanged
Foundations Investment Advisors, LLC860$549.4K0.01%−54−5.9%Reduced
Baker Tilly Wealth Management, LLC864$552.0K0.12%+61+7.6%Added
Peapack Gladstone Financial Corp872$557.0K0.01%+18+2.1%Added
Revolve Wealth Partners, LLC872$557.1K0.07%+8+0.9%Added
Joel Isaacson & Co., LLC873$557.8K0.02%00.0%Unchanged
Sym Financial Corp877$560.3K0.06%−967−52.4%Reduced
Bennett Selby Investments LP880$562.2K0.19%+4+0.5%Added
Sagespring Wealth Partners, LLC880$562.3K0.01%+124+16.4%Added
Fulcrum Asset Management LLP885$565.4K0.16%00.0%Unchanged
Semanteon Capital Management, LP888$567.3K0.71%+888New
Edgestream Partners, L.P.891$569.3K0.02%−1,864−67.7%Reduced
Foster Dykema Cabot & Partners, LLC894$571.2K0.04%00.0%Unchanged
Ci Investments Inc.895$572.0K0.00%−427−32.3%Reduced
Atlas Brown,Inc.898$573.7K0.17%−40−4.3%Reduced
HighPoint Advisor Group LLC900$575.0K0.03%−42−4.5%Reduced
First Manhattan Co905$578.2K0.00%00.0%Unchanged
Boreal Capital Management LLC905$578.2K0.47%+163+22.0%Added
Strategic Financial Services, Inc,908$580.1K0.03%00.0%Unchanged
Fifth Third Wealth Advisors LLC915$584.6K0.02%+14+1.6%Added
Commerzbank Aktiengesellschaft918$587.0K0.01%00.0%Unchanged
Avestar Capital, LLC919$587.1K0.04%+280+43.8%Added
Blalock Williams, LLC924$590.3K0.52%−143−13.4%Reduced
Main Street Financial Solutions, LLC924$590.3K0.04%−83−8.2%Reduced
Highland Capital Management, LLC925$591.0K0.03%00.0%Unchanged
Inscription Capital, LLC927$592.3K0.06%+423+83.9%Added
Westpac Banking Corp930$594.2K0.04%00.0%Unchanged
North Star Asset Management Inc934$596.7K0.02%00.0%Unchanged
Whittier Trust Co of Nevada Inc947$597.7K0.01%+214+29.2%Added
Vise Technologies, Inc.939$599.8K0.02%+12+1.3%Added
Skopos Labs, Inc.1,130$600.4K0.08%+6+0.5%Added
W.G. Shaheen & Associates DBA Whitney & Co940$600.6K0.05%00.0%Unchanged
Chicago Partners Investment Group LLC947$600.7K0.02%+63+7.1%Added
Topsail Wealth Management, LLC945$603.8K0.10%00.0%Unchanged
Trust Asset Management LLC949$606.3K0.04%00.0%Unchanged
Voya Financial Advisors, Inc.963$607.2K0.06%−36−3.6%Reduced
Savant Capital, LLC952$608.2K0.00%+178+23.0%Added
Kirtland Hills Capital Management, LLC953$608.9K0.24%−13−1.3%Reduced
CFC Planning Co LLC958$612.1K0.51%−261−21.4%Reduced
One Wealth Capital Management, LLC966$617.2K0.28%−56−5.5%Reduced
ROI Financial Advisors, LLC967$617.8K0.37%−595−38.1%Reduced
PDS Planning, Inc967$617.8K0.04%−10−1.0%Reduced
Unique Wealth Strategies, LLC969$618.8K0.24%−233−19.4%Reduced
Crestwood Advisors Group LLC970$619.7K0.01%+110+12.8%Added
WD Rutherford LLC976$623.6K0.27%+12+1.2%Added
Kingsview Wealth Management, LLC980$626.1K0.01%−16−1.6%Reduced
Dana Investment Advisors, Inc.980$626.1K0.02%00.0%Unchanged
Chesapeake Capital Corp989$631.9K0.57%+989New
denkapparat Operations GmbH1,002$640.2K0.41%−354−26.1%Reduced
Wallace Advisory Group, LLC1,199$643.1K0.52%+1,199New
Aberdeen Wealth Management LLC1,008$644.0K0.40%00.0%Unchanged
Waters Parkerson & Co., LLC1,010$645.3K0.03%00.0%Unchanged
Adell Harriman & Carpenter Inc1,014$647.8K0.04%−1−0.1%Reduced
Syon Capital LLC1,016$649.1K0.03%+103+11.3%Added
KFG Wealth Management, LLC1,022$652.9K0.09%−400−28.1%Reduced
Crestmont Private Wealth LLC1,030$658.1K0.22%+122+13.4%Added
Waratah Capital Advisors Ltd.1,034$660.6K0.04%−26,675−96.3%Reduced
Y-Intercept (Hong Kong) Ltd1,047$668.9K0.02%+1,047New
Steadtrust LLC1,050$670.8K0.45%00.0%Unchanged
Canandaigua National Bank & Trust Co1,055$674.0K0.06%−1−0.1%Reduced
Phoenix Holdings Ltd.1,060$677.4K0.01%−121−10.2%Reduced
Stratos Wealth Partners, LTD.1,069$683.0K0.01%+18+1.7%Added
Weatherly Asset Management L. P.1,069$683.0K0.06%−215−16.7%Reduced
Brown Brothers Harriman & Co1,075$686.8K0.00%+109+11.3%Added
Continental Investors Services, Inc.1,083$688.1K1.02%−10−0.9%Reduced
Voleon Capital Management LP1,099$702.1K0.02%+475+76.1%Added
Sterling Investment Advisors, Ltd.1,100$702.8K0.14%00.0%Unchanged
ISAM Funds (UK) Ltd1,113$711.1K0.15%−2,335−67.7%Reduced
Arkadios Wealth Advisors1,125$718.8K0.02%+370+49.0%Added
First National Bank1,132$723.2K0.38%−64−5.4%Reduced
Savvy Advisors, Inc.1,138$727.1K0.03%−8−0.7%Reduced
Smartleaf Asset Management LLC1,158$730.8K0.05%+352+43.7%Added
Sigma Planning Corp1,167$745.6K0.02%+626+115.7%Added
Aaron Wealth Advisors1,168$746.2K0.05%+1,168New
SummitTX Capital, L.P.1,176$751.3K0.03%+1,176New
S-Bank Fund Management Ltd1,181$754.5K0.10%−15−1.3%Reduced
Atomi Financial Group, Inc.1,186$757.9K0.02%+528+80.2%Added
Freestone Capital Holdings, LLC1,187$758.4K0.02%+1,187New
Ballentine Partners, LLC1,187$758.4K0.01%+50+4.4%Added
LRT Capital Management, LLC1,188$759.0K0.50%+1,188New
Angeles Wealth Management, LLC1,192$761.6K0.05%+10+0.8%Added
Sanibel Captiva Trust Company, Inc.1,192$761.6K0.02%+155+14.9%Added
LGT Group Foundation1,231$763.4K0.01%+66+5.7%Added
Legacy Trust1,196$764.1K0.15%−5−0.4%Reduced
Ostrum Asset Management1,201$767.3K0.03%−94−7.3%Reduced
STF Management LP1,202$767.9K0.28%−38−3.1%Reduced
Pinnacle Associates Ltd1,209$772.4K0.01%+28+2.4%Added
Diversify Wealth Management, LLC1,074$776.4K0.04%−72−6.3%Reduced
Perbak Capital Partners LLP1,228$784.6K0.14%−5,137−80.7%Reduced
ICICI Prudential Asset Management Co Ltd1,228$784.6K0.08%+221+21.9%Added