Skip to main content

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
M&T Bank Corp3,517$2.25M0.01%−1,047−22.9%Reduced
Cullen/Frost Bankers, Inc.3,550$2.27M0.03%−4−0.1%Reduced
E. Ohman J:or Asset Management AB3,550$2.27M0.05%+300+9.2%Added
Crossmark Global Holdings, Inc.3,569$2.28M0.03%+305+9.3%Added
Chicago Trust Co NA3,578$2.29M0.32%−108−2.9%Reduced
Perfromance Wealth Partners, LLC3,591$2.29M0.06%−155−4.1%Reduced
Dorsey Wright & Associates3,601$2.30M0.51%+3,601New
ASR Vermogensbeheer N.V.3,646$2.33M0.03%+13+0.4%Added
New Mexico Educational Retirement Board3,650$2.33M0.07%−200−5.2%Reduced
Taylor Frigon Capital Management LLC3,655$2.34M1.16%−1,037−22.1%Reduced
Citadel Investment Advisory, Inc.3,682$2.35M1.08%00.0%Unchanged
Wimmer Associates 1, LLC3,672$2.35M1.13%00.0%Unchanged
D L Carlson Investment Group Inc3,680$2.35M0.39%+487+15.3%Added
Norway Savings Bank3,690$2.36M1.14%−42−1.1%Reduced
USA Financial Portformulas Corp3,727$2.38M0.42%+3,727New
Grandeur Peak Global Advisors, LLC3,736$2.39M0.32%−1,094−22.7%Reduced
Nomura Holdings Inc3,740$2.39M0.01%+3,740New
Granite Investment Partners, LLC3,744$2.39M0.14%−92−2.4%Reduced
DGS Capital Management, LLC3,745$2.39M0.44%+2,541+211.0%Added
Huntington National Bank3,760$2.40M0.01%+109+3.0%Added
Vestcor Inc3,772$2.41M0.07%+1,651+77.8%Added
Norden Group LLC3,857$2.46M0.25%−26−0.7%Reduced
Steward Partners Investment Advisory, LLC3,871$2.47M0.01%+11+0.3%Added
Prime Capital Investment Advisors, LLC3,905$2.49M0.03%−7−0.2%Reduced
Securian Asset Management, Inc3,908$2.50M0.07%−400−9.3%Reduced
Empowered Funds, LLC3,932$2.51M0.03%+2,103+115.0%Added
HB Wealth Management, LLC3,950$2.52M0.02%+328+9.1%Added
Maryland State Retirement & Pension System4,001$2.56M0.05%+79+2.0%Added
Gulf International Bank (UK) Ltd4,065$2.60M0.09%−69−1.7%Reduced
New Age Alpha Advisors, LLC4,066$2.60M0.11%+4,026+10,065.0%Added
Lido Advisors, LLC4,066$2.60M0.01%+2,090+105.8%Added
Icon Wealth Advisors, LLC4,080$2.61M0.18%−873−17.6%Reduced
Ramsay, Stattman, Vela & Price, Inc.4,095$2.62M0.47%−80−1.9%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund4,100$2.62M0.10%+2,300+127.8%Added
Martin Capital Advisors, LLP4,114$2.63M1.59%+10.0%Added
MML Investors Services, LLC4,200$2.68M0.01%−596−12.4%Reduced
Dash Acquisitions Inc.4,285$2.69M0.53%+4,285New
Great Lakes Advisors, LLC4,215$2.69M0.02%−228−5.1%Reduced
J. Safra Sarasin Holding AG4,241$2.71M0.04%+631+17.5%Added
Dakota Wealth Management4,243$2.71M0.05%+2,015+90.4%Added
Federation des caisses Desjardins du Quebec4,308$2.75M0.01%+46+1.1%Added
Wealthspire Advisors, LLC4,315$2.76M0.01%+211+5.1%Added
Spinnaker Trust4,335$2.77M0.15%−76−1.7%Reduced
Boston Private Wealth LLC4,345$2.78M0.15%+12+0.3%Added
Sit Investment Associates Inc4,350$2.78M0.06%−1,150−20.9%Reduced
Banque Cantonale Vaudoise4,363$2.79M0.10%−262−5.7%Reduced
Mirabella Financial Services LLP4,401$2.81M0.24%+2,683+156.2%Added
Grimes & Company, Inc.4,401$2.81M0.07%−67−1.5%Reduced
Jensen Investment Management Inc4,430$2.83M0.04%−5,980−57.4%Reduced
Benjamin Edwards Inc4,445$2.84M0.03%+358+8.8%Added
Banque Transatlantique SA4,485$2.86M0.07%−608−11.9%Reduced
Krilogy Financial LLC4,049$2.92M0.11%+4,049New
J.W. Cole Advisors, Inc.4,611$2.95M0.06%+177+4.0%Added
Tsai Capital Corp4,642$2.97M2.07%+20.0%Added
Hartford Investment Management Co4,688$3.00M0.09%−162−3.3%Reduced
Allworth Financial LP4,697$3.00M0.01%+23+0.5%Added
King Luther Capital Management Corp4,706$3.01M0.01%00.0%Unchanged
Birchbrook, Inc.4,718$3.01M1.56%−30−0.6%Reduced
Umb Bank N A4,789$3.06M0.05%−125−2.5%Reduced
Greenfield Seitz Capital Management, LLC4,805$3.07M0.99%−6−0.1%Reduced
Tokio Marine Asset Management Co Ltd4,892$3.13M0.11%−767−13.6%Reduced
Moneta Group Investment Advisors LLC4,933$3.15M0.03%−219−4.3%Reduced
Evercore Wealth Management, LLC5,024$3.21M0.05%−420−7.7%Reduced
Aurora Investment Managers, LLC.5,033$3.22M1.75%−9−0.2%Reduced
Adviser Investments LLC5,063$3.23M0.04%00.0%Unchanged
Kentucky Retirement Systems5,067$3.24M0.09%−141−2.7%Reduced
Tema ETFs LLC5,085$3.25M0.27%+3,167+165.1%Added
Camarda Financial Advisors, LLC5,098$3.26M1.20%+466+10.1%Added
Three Seasons Wealth, LLC5,126$3.27M0.33%+5,126New
GAM Holding AG5,137$3.28M0.20%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.5,185$3.31M0.01%+185+3.7%Added
Davenport & Co LLC5,190$3.32M0.02%−1,159−18.3%Reduced
Cape Cod Five Cents Savings Bank6,566$3.32M0.31%00.0%Unchanged
Old Port Advisors5,211$3.33M0.84%−150−2.8%Reduced
Portside Wealth Group, LLC5,213$3.33M0.46%−397−7.1%Reduced
Kraematon Investment Advisors, Inc5,242$3.35M2.87%00.0%Unchanged
Barbara Oil Co.5,245$3.35M1.25%−3,250−38.3%Reduced
Patten Group, Inc.5,295$3.38M0.66%−19−0.4%Reduced
Kinneret Advisory, LLC5,459$3.49M0.30%−24−0.4%Reduced
Metis Global Partners, LLC5,476$3.50M0.08%−280−4.9%Reduced
Avanza Fonder AB5,496$3.51M0.09%00.0%Unchanged
Sanctuary Advisors, LLC5,550$3.55M0.02%+1,094+24.6%Added
Apollon Wealth Management, LLC5,603$3.58M0.06%+9+0.2%Added
Commerce Bank5,628$3.60M0.02%−132−2.3%Reduced
Childress Capital Advisors, LLC5,643$3.61M0.66%+22+0.4%Added
Cortland Associates Inc5,684$3.63M0.43%+9+0.2%Added
Robinson Value Management, Ltd.5,715$3.65M2.12%−50−0.9%Reduced
Ambassador Advisors, LLC5,761$3.68M0.55%+5,761New
EFG Asset Management (Americas) Corp.5,775$3.69M0.64%+183+3.3%Added
CWM, LLC5,776$3.69M0.01%+139+2.5%Added
Knollwood Investment Advisory, LLC5,800$3.71M0.33%00.0%Unchanged
Cabot Wealth Management Inc5,840$3.73M0.41%−22−0.4%Reduced
Mizuho Securities USA LLC5,827$3.77M0.08%+264+4.7%Added
We Are One Seven, LLC6,094$3.89M0.09%+151+2.5%Added
Legal Advantage Investments, Inc.6,360$4.06M1.83%−35−0.5%Reduced
Omers Administration Corp6,383$4.08M0.03%−600−8.6%Reduced
Wiley Bros.-Aintree Capital, LLC6,383$4.08M0.03%+456+7.7%Added
Natixis6,399$4.09M0.02%+1,332+26.3%Added
Teachers Retirement System of the State of Kentucky6,421$4.10M0.03%00.0%Unchanged
Illinois Municipal Retirement Fund6,470$4.13M0.05%−659−9.2%Reduced