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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, Q2 2025

Institutional positions in IDEXX Laboratories Inc as of Jun 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
1,234
+104 vs. Q1 2025
Shares held
74.5M
+503.9K (+0.7%) vs. Q1 2025
Total value
$40.0B
+$8.90B (+28.6%) vs. Q1 2025
New holders
198
425 more added
Sold out
94
419 more reduced

13 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,234 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 heldQ2 2025: $40.0B
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, Q2 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2025.

Institutions holding IDXX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Campbell & CO Investment Adviser LLC5,051$2.71M0.17%+5,051New
Adviser Investments LLC5,063$2.72M0.03%−159−3.0%Reduced
Natixis5,067$2.72M0.01%−1,998−28.3%Reduced
Banque Transatlantique SA5,093$2.75M0.08%−104−2.0%Reduced
GAM Holding AG5,137$2.76M0.19%−12−0.2%Reduced
Moneta Group Investment Advisors LLC5,152$2.76M0.03%−11−0.2%Reduced
Kentucky Retirement Systems5,208$2.79M0.08%−341−6.1%Reduced
Kraematon Investment Advisors, Inc5,242$2.81M2.65%−160−3.0%Reduced
Motley Fool Asset Management LLC5,287$2.84M0.13%+615+13.2%Added
Patten Group, Inc.5,314$2.85M0.60%+15+0.3%Added
Old Port Advisors5,361$2.88M0.78%−924−14.7%Reduced
Evercore Wealth Management, LLC5,444$2.92M0.05%−500−8.4%Reduced
Kinneret Advisory, LLC5,483$2.94M0.27%−8−0.1%Reduced
Avanza Fonder AB5,496$2.95M0.09%00.0%Unchanged
Sit Investment Associates Inc5,500$2.95M0.06%00.0%Unchanged
Jump Financial, LLC5,532$2.97M0.04%+5,032+1,006.4%Added
Mizuho Securities USA LLC5,563$2.98M0.06%+5,563New
EFG Asset Management (Americas) Corp.5,592$3.00M0.55%−301−5.1%Reduced
Apollon Wealth Management, LLC5,594$3.00M0.06%+7+0.1%Added
Portside Wealth Group, LLC5,610$3.01M0.45%+5,046+894.7%Added
Childress Capital Advisors, LLC5,621$3.01M0.76%−50−0.9%Reduced
CWM, LLC5,637$3.02M0.01%−438−7.2%Reduced
Employees Retirement System of Texas5,650$3.03M0.02%+5,650New
Tokio Marine Asset Management Co Ltd5,659$3.04M0.12%−12,798−69.3%Reduced
Cortland Associates Inc5,675$3.04M0.36%−19−0.3%Reduced
Metis Global Partners, LLC5,756$3.09M0.08%−813−12.4%Reduced
Commerce Bank5,760$3.09M0.02%+87+1.5%Added
Robinson Value Management, Ltd.5,765$3.09M1.94%−22−0.4%Reduced
Knollwood Investment Advisory, LLC5,800$3.11M0.30%00.0%Unchanged
Cabot Wealth Management Inc5,862$3.14M0.37%−12−0.2%Reduced
Tikehau Investment Management5,900$3.16M4.93%+1,356+29.8%Added
Wiley Bros.-Aintree Capital, LLC5,927$3.18M0.02%+2,839+91.9%Added
We Are One Seven, LLC5,943$3.19M0.10%+5,943New
Fifth Third Bancorp5,982$3.21M0.01%−93−1.5%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH6,051$3.25M0.09%+5,845+2,837.4%Added
Qube Research & Technologies Ltd6,089$3.27M0.00%−257,930−97.7%Reduced
Public Sector Pension Investment Board6,140$3.29M0.01%−20,054−76.6%Reduced
Harvest Fund Management Co., Ltd6,162$3.30M0.16%+802+15.0%Added
Cape Cod Five Cents Savings Bank6,566$3.32M0.31%00.0%Unchanged
Ninety One SA (PTY) Ltd6,222$3.34M0.55%+214+3.6%Added
Nutshell Asset Management Ltd6,223$3.34M1.99%−3,884−38.4%Reduced
Davenport & Co LLC6,349$3.41M0.02%−444−6.5%Reduced
Perbak Capital Partners LLP6,365$3.41M0.77%+6,365New
Legal Advantage Investments, Inc.6,395$3.43M1.60%00.0%Unchanged
Teachers Retirement System of the State of Kentucky6,421$3.44M0.03%+83+1.3%Added
New Hampshire Trust6,438$3.45M0.72%−75−1.2%Reduced
Ossiam6,644$3.56M0.04%+1,731+35.2%Added
Stonegate Investment Group, LLC6,715$3.60M0.09%+587+9.6%Added
RFG Advisory, LLC6,776$3.63M0.09%+366+5.7%Added
Oregon Public Employees Retirement Fund6,925$3.71M0.07%−100−1.4%Reduced
UniSuper Management Pty Ltd6,940$3.72M0.02%−810−10.5%Reduced
Omers Administration Corp6,983$3.75M0.03%−500−6.7%Reduced
Ilmarinen Mutual Pension Insurance Co7,000$3.75M0.03%00.0%Unchanged
Bright Rock Capital Management, LLC7,000$3.75M0.76%00.0%Unchanged
Profund Advisors LLC7,008$3.76M0.14%+605+9.4%Added
Wealthfront Advisers LLC7,014$3.76M0.01%+468+7.1%Added
Illinois Municipal Retirement Fund7,129$3.82M0.05%−1,172−14.1%Reduced
Headinvest, LLC7,176$3.85M0.82%−1,384−16.2%Reduced
Moody Lynn & Lieberson, LLC7,231$3.88M0.22%−11−0.2%Reduced
CIBC World Markets Inc.7,263$3.90M0.01%+6,092+520.2%Added
Generali Asset Management SPA SGR7,427$3.98M0.09%−1,959−20.9%Reduced
Bell Asset Management Ltd7,515$4.03M0.89%−7,208−49.0%Reduced
Norinchukin Bank, The7,652$4.10M0.06%+203+2.7%Added
Advisors Capital Management, LLC7,708$4.13M0.06%+7,148+1,276.4%Added
Regions Financial Corp7,769$4.17M0.03%−71−0.9%Reduced
Public Employees Retirement Association of Colorado7,773$4.17M0.02%−3,072−28.3%Reduced
Summit Asset Management, LLC7,785$4.18M0.68%00.0%Unchanged
Linden Thomas Advisory Services, LLC7,797$4.18M0.46%+66+0.9%Added
Clear Harbor Asset Management, LLC7,845$4.21M0.32%−50−0.6%Reduced
Groupe la Francaise7,895$4.22M0.07%+1,349+20.6%Added
Nordea Investment Management AB8,057$4.30M0.00%+361+4.7%Added
Howe & Rusling Inc8,094$4.34M0.32%+401+5.2%Added
Sterling Capital Management LLC8,178$4.39M0.06%−859−9.5%Reduced
Fiduciary Trust Co8,336$4.47M0.06%+235+2.9%Added
CWM Advisors, LLC8,462$4.54M0.49%−5,115−37.7%Reduced
Barbara Oil Co.8,495$4.56M1.79%00.0%Unchanged
First Foundation Advisors8,536$4.58M0.17%+83+1.0%Added
Azzad Asset Management Inc8,665$4.65M0.50%+807+10.3%Added
Brevan Howard Capital Management LP8,666$4.65M0.05%+8,666New
Woodline Partners LP8,699$4.67M0.02%+8,699New
Insight Wealth Strategies, LLC8,660$4.70M0.59%−1,332−13.3%Reduced
Impax Asset Management Group plc8,853$4.75M0.03%00.0%Unchanged
State of Alaska, Department of Revenue9,032$4.84M0.05%−555−5.8%Reduced
Spears Abacus Advisors LLC9,071$4.87M0.10%−10.0%Reduced
Dark Forest Capital Management LP9,399$5.04M0.20%+7,286+344.8%Added
Ethic Inc.9,668$5.14M0.09%+1,011+11.7%Added
Shelton Capital Management9,646$5.17M0.12%−546−5.4%Reduced
Two Sigma Investments, LP9,700$5.20M0.01%−24,639−71.8%Reduced
Perkins Capital Management Inc9,700$5.20M5.23%00.0%Unchanged
Lazard Asset Management LLC9,707$5.21M0.01%+722+8.0%Added
LaFleur & Godfrey LLC9,816$5.26M0.66%−478−4.6%Reduced
Atria Investments LLC9,830$5.27M0.06%+7,780+379.5%Added
Anderson Hoagland & Co9,925$5.32M0.51%+17+0.2%Added
Louisiana State Employees Retirement System10,100$5.42M0.10%−200−1.9%Reduced
Taikang Asset Management (Hong Kong) Co Ltd10,125$5.43M0.70%00.0%Unchanged
Captrust Financial Advisors10,134$5.44M0.01%+563+5.9%Added
O'Shaughnessy Asset Management, LLC10,174$5.46M0.04%+1,297+14.6%Added
Toroso Investments, LLC10,289$5.52M0.04%+1,850+21.9%Added
Jensen Investment Management Inc10,410$5.58M0.07%+2,220+27.1%Added
Pittenger & Anderson Inc10,487$5.62M0.21%+76+0.7%Added