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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, Q4 2025

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 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
1,385
+111 vs. Q3 2025
Shares held
82.4M
+10.5M (+14.6%) vs. Q3 2025
Total value
$50.3B
+$4.35B (+9.5%) vs. Q3 2025
New holders
191
482 more added
Sold out
80
481 more reduced

28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,385 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 heldQ4 2025: $50.3B
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, Q4 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2025.

Institutions holding IDXX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bokf, NA2,370$1.60M0.02%−334−12.4%Reduced
Cresset Asset Management, LLC2,372$1.60M0.01%−252−9.6%Reduced
Pacific Point Advisors, LLC2,380$1.61M0.86%−102−4.1%Reduced
Fayez Sarofim & Co2,404$1.63M0.00%00.0%Unchanged
Choate Investment Advisors2,412$1.63M0.03%+31+1.3%Added
Horizon Investments, LLC2,424$1.64M0.02%−97−3.8%Reduced
Northwestern Mutual Wealth Management Co2,456$1.66M0.00%+185+8.1%Added
Titan Investment Management LLC2,476$1.68M1.53%+2,476New
QRG Capital Management, Inc.2,496$1.69M0.02%+566+29.3%Added
Principal Securities, Inc.2,541$1.72M0.03%+345+15.7%Added
Northwestern Mutual Investment Management Company, LLC2,552$1.73M0.02%+2+0.1%Added
Park Avenue Securities LLC2,582$1.75M0.01%+314+13.8%Added
Advisors Asset Management, Inc.2,602$1.76M0.03%+81+3.2%Added
RFG Advisory, LLC2,631$1.78M0.03%−56−2.1%Reduced
Capitolis Liquid Global Markets LLC2,631$1.78M0.01%+2,631New
WealthShield Partners, LLC2,641$1.79M0.20%−5−0.2%Reduced
United Capital Financial Advisers, LLC2,662$1.80M0.01%+127+5.0%Added
HighPoint Advisor Group LLC2,663$1.80M0.04%+1,763+195.9%Added
Parallel Advisors, LLC2,697$1.82M0.03%+100+3.9%Added
PEAK6 LLC2,782$1.88M0.05%−409−12.8%Reduced
Eads & Heald Wealth Management2,823$1.91M0.92%−26−0.9%Reduced
Vontobel Holding Ltd.2,830$1.91M0.01%−144,554−98.1%Reduced
Peloton Wealth Strategists2,833$1.92M0.74%−40−1.4%Reduced
Empirical Finance, LLC2,859$1.93M0.09%−121−4.1%Reduced
Keeler Thomas Management LLC2,869$1.94M0.92%−11−0.4%Reduced
Clearstead Advisors, LLC2,874$1.94M0.02%+556+24.0%Added
Kovack Advisors, Inc.2,881$1.95M0.09%+127+4.6%Added
Procyon Private Wealth Partners, LLC2,905$1.97M0.10%+2,905New
GKV Capital Management Co., Inc.2,950$2.00M0.75%00.0%Unchanged
Laird Norton Trust Company, LLC2,955$2.00M0.04%+2,955New
Northwest & Ethical Investments L.P.2,961$2.00M0.05%+102+3.6%Added
GAMMA Investing LLC2,991$2.02M0.10%+264+9.7%Added
Atlantic Union Bankshares Corp2,993$2.02M0.04%+63+2.2%Added
Platinum Investment Management Ltd3,000$2.03M0.47%−500−14.3%Reduced
Virtus Investment Advisers, Inc.3,007$2.03M0.55%−224−6.9%Reduced
Paragon Capital Management Inc3,016$2.04M1.58%−451−13.0%Reduced
Warren Averett Asset Management, LLC3,024$2.05M0.02%+2,343+344.1%Added
Lincoln Capital LLC3,027$2.05M0.37%00.0%Unchanged
Bailard, Inc.3,042$2.06M0.05%+479+18.7%Added
Fortem Financial Group, LLC3,057$2.07M0.55%+3,057New
PKO Investment Management Joint-Stock Co3,100$2.10M0.17%+500+19.2%Added
North Dakota State Investment Board3,100$2.10M0.08%+3,100New
Plato Investment Management Ltd3,089$2.10M0.14%00.0%Unchanged
Wedmont Private Capital2,966$2.12M0.07%+26+0.9%Added
Stock Yards Bank & Trust Co3,135$2.12M0.06%00.0%Unchanged
Dai-Ichi Life Insurance Company, Ltd3,145$2.13M0.05%00.0%Unchanged
Aries Wealth Management3,177$2.15M0.48%−71−2.2%Reduced
Vident Advisory, LLC3,211$2.17M0.02%−5,470−63.0%Reduced
Oppenheimer & Co Inc3,252$2.20M0.03%+2,428+294.7%Added
MUFG Securities EMEA plc3,274$2.21M0.03%+1,743+113.8%Added
Farther Finance Advisors, LLC3,283$2.22M0.02%−182−5.3%Reduced
Summit Trail Advisors, LLC3,290$2.23M0.04%−211−6.0%Reduced
Davenport & Co LLC3,333$2.25M0.01%−1,857−35.8%Reduced
Meyer Handelman Co3,369$2.28M0.07%00.0%Unchanged
Kestra Advisory Services, LLC3,389$2.29M0.01%−44−1.3%Reduced
Stephens Inc3,436$2.32M0.03%+149+4.5%Added
AG2R la Mondiale Gestion D'Actifs3,451$2.33M0.10%−50−1.4%Reduced
Citadel Investment Advisory, Inc.3,682$2.35M1.01%00.0%Unchanged
Millennium Management LLC3,470$2.35M0.00%−60,049−94.5%Reduced
Grandeur Peak Global Advisors, LLC3,475$2.35M0.32%−261−7.0%Reduced
Union Savings Bank3,500$2.37M1.03%+3,500New
Havemeyer Place LP3,510$2.37M0.47%+3,510New
Global X Japan Co., Ltd.3,516$2.38M0.18%+2,807+395.9%Added
E. Ohman J:or Asset Management AB3,521$2.38M0.06%−29−0.8%Reduced
Abn Amro Investment Solutions3,522$2.38M0.04%+539+18.1%Added
Jensen Investment Management Inc3,571$2.42M0.04%−859−19.4%Reduced
Dorsey Wright & Associates3,577$2.42M0.52%−24−0.7%Reduced
Virtu Financial LLC3,584$2.42M0.09%+3,584New
Chicago Trust Co NA3,588$2.43M0.38%+10+0.3%Added
Ameritas Investment Partners, Inc.3,602$2.44M0.07%+205+6.0%Added
Taylor Frigon Capital Management LLC3,618$2.45M1.24%−37−1.0%Reduced
New Mexico Educational Retirement Board3,650$2.47M0.07%00.0%Unchanged
Cullen/Frost Bankers, Inc.3,653$2.47M0.03%+103+2.9%Added
Wimmer Associates 1, LLC3,667$2.48M1.15%−5−0.1%Reduced
Merit Financial Group, LLC3,668$2.48M0.02%+592+19.2%Added
Perfromance Wealth Partners, LLC3,717$2.51M0.07%+126+3.5%Added
D L Carlson Investment Group Inc3,719$2.52M0.42%+39+1.1%Added
Dash Acquisitions Inc.3,929$2.53M0.53%−356−8.3%Reduced
Steward Partners Investment Advisory, LLC3,757$2.54M0.01%−114−2.9%Reduced
Vestcor Inc3,772$2.55M0.07%00.0%Unchanged
Granite Investment Partners, LLC3,778$2.56M0.15%+34+0.9%Added
Huntington National Bank3,829$2.59M0.02%+69+1.8%Added
Foundry Financial LLC3,853$2.61M1.37%+3,853New
Bridgeway Capital Management, LLC3,860$2.61M0.05%+3,860New
Icon Wealth Advisors, LLC3,919$2.65M0.18%−161−3.9%Reduced
J. Stern & Co. LLP2,653,351$2.65M0.23%+2,642,200+23,694.7%Added
Prime Capital Investment Advisors, LLC3,923$2.65M0.03%+18+0.5%Added
Lido Advisors, LLC4,075$2.68M0.01%+9+0.2%Added
Sequoia Financial Advisors, LLC3,985$2.70M0.02%+748+23.1%Added
Maryland State Retirement & Pension System4,001$2.71M0.06%00.0%Unchanged
Ramsay, Stattman, Vela & Price, Inc.4,041$2.73M0.49%−54−1.3%Reduced
J. Safra Sarasin Holding AG4,044$2.74M0.04%−197−4.6%Reduced
Norden Group LLC4,056$2.74M0.27%+199+5.2%Added
Gulf International Bank (UK) Ltd4,065$2.75M0.09%00.0%Unchanged
Tower Research Capital LLC (TRC)4,104$2.78M0.07%+1,778+76.4%Added
New Age Alpha Advisors, LLC4,127$2.79M0.12%+61+1.5%Added
HB Wealth Management, LLC4,139$2.80M0.02%+189+4.8%Added
Dakota Wealth Management4,154$2.81M0.05%−89−2.1%Reduced
Martin Capital Advisors, LLP4,159$2.81M1.65%+45+1.1%Added
DGS Capital Management, LLC4,192$2.84M0.49%+447+11.9%Added