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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
Ci Investments Inc.938$634.6K0.00%+43+4.8%Added
W.G. Shaheen & Associates DBA Whitney & Co940$635.9K0.05%00.0%Unchanged
Topsail Wealth Management, LLC945$639.3K0.09%00.0%Unchanged
City Holding Co949$642.0K0.08%+407+75.1%Added
Silvercrest Asset Management Group LLC952$644.1K0.00%−996−51.1%Reduced
Kirtland Hills Capital Management, LLC953$644.7K0.23%00.0%Unchanged
Aberdeen Wealth Management LLC958$648.1K0.30%−50−5.0%Reduced
Kingsview Wealth Management, LLC960$649.5K0.01%−20−2.0%Reduced
PDS Planning, Inc961$650.1K0.04%−6−0.6%Reduced
111 Capital966$653.5K0.14%+405+72.2%Added
Whittier Trust Co of Nevada Inc936$661.6K0.01%−11−1.2%Reduced
Dana Investment Advisors, Inc.980$663.0K0.02%00.0%Unchanged
NorthRock Partners, LLC981$663.7K0.01%−1,123−53.4%Reduced
Triglav Skladi, D.O.O.985$666.4K0.04%−415−29.6%Reduced
Chesapeake Capital Corp989$669.1K0.56%00.0%Unchanged
BDFS Capital LLC992$671.1K0.34%+992New
Concurrent Investment Advisors, LLC994$672.7K0.01%−642−39.2%Reduced
Frank, Rimerman Advisors LLC995$673.1K0.04%+444+80.6%Added
Chicago Partners Investment Group LLC972$674.4K0.02%+25+2.6%Added
Sagespring Wealth Partners, LLC1,009$682.6K0.01%+129+14.7%Added
Buckingham Strategic Partners1,009$682.9K0.01%−131−11.5%Reduced
Waters Parkerson & Co., LLC1,010$683.3K0.03%00.0%Unchanged
Weatherly Asset Management L. P.1,014$686.3K0.05%−55−5.1%Reduced
Turtle Creek Wealth Advisors, LLC1,024$692.8K0.05%+582+131.7%Added
Ausdal Financial Partners, Inc.1,030$697.3K0.03%+338+48.8%Added
Waratah Capital Advisors Ltd.1,034$699.5K0.05%00.0%Unchanged
Cookson Peirce & Co Inc1,034$699.5K0.03%+1,034New
Canandaigua National Bank & Trust Co1,043$705.6K0.06%−12−1.1%Reduced
Arkadios Wealth Advisors1,044$706.3K0.01%−81−7.2%Reduced
Crestmont Private Wealth LLC1,045$707.0K0.23%+15+1.5%Added
SFMG, LLC1,045$707.2K0.05%+423+68.0%Added
Fulcrum Asset Management LLP1,037$707.6K0.20%+152+17.2%Added
Boreal Capital Management LLC1,047$708.3K0.53%+142+15.7%Added
Steadtrust LLC1,050$710.4K0.44%00.0%Unchanged
Ostrum Asset Management1,065$720.5K0.03%−136−11.3%Reduced
Continental Investors Services, Inc.1,077$722.1K0.93%−6−0.6%Reduced
Crestwood Advisors Group LLC1,068$722.5K0.01%+98+10.1%Added
Syon Capital LLC1,070$723.9K0.04%+54+5.3%Added
Generali Investments, Management Co LLC1,081$731.3K0.15%+234+27.6%Added
Jump Financial, LLC1,082$732.0K0.01%−6,009−84.7%Reduced
Sterling Investment Advisors, Ltd.1,100$744.2K0.14%00.0%Unchanged
Stratos Wealth Partners, LTD.1,114$753.7K0.01%+45+4.2%Added
Inscription Capital, LLC1,134$767.2K0.08%+207+22.3%Added
Smartleaf Asset Management LLC1,130$771.7K0.03%−28−2.4%Reduced
Clarius Group, LLC1,143$773.3K0.04%+721+170.9%Added
Phoenix Holdings Ltd.1,150$777.7K0.01%+90+8.5%Added
First National Bank1,153$780.0K0.41%+21+1.9%Added
Little House Capital LLC1,156$782.1K0.20%−144−11.1%Reduced
Oak Thistle LLC1,168$790.2K0.11%+1,168New
Angeles Wealth Management, LLC1,179$797.6K0.04%−13−1.1%Reduced
Diversify Wealth Management, LLC1,118$798.3K0.04%+44+4.1%Added
Legacy Trust1,196$809.1K0.15%00.0%Unchanged
Vise Technologies, Inc.1,197$809.7K0.02%+258+27.5%Added
B.O.S.S. Retirement Advisors, LLC1,200$811.8K0.26%−1,915−61.5%Reduced
New England Research & Management, Inc.1,200$811.8K0.36%+1,200New
Savvy Advisors, Inc.1,201$812.5K0.03%+63+5.5%Added
Ofi Invest Asset Management1,253$814.3K0.01%+761+154.7%Added
Conestoga Capital Advisors, LLC1,205$815.2K0.01%−484−28.7%Reduced
GTS Securities LLC1,213$820.6K0.03%−614−33.6%Reduced
Pinnacle Associates Ltd1,227$830.1K0.01%+18+1.5%Added
Marshall Wace, LLP1,227$830.1K0.00%+727+145.4%Added
Campbell & CO Investment Adviser LLC1,238$837.5K0.04%+1,238New
Sumitomo Life Insurance Co1,239$838.2K0.02%−2,075−62.6%Reduced
Montag A & Associates Inc1,250$845.7K0.04%00.0%Unchanged
Intellectus Partners, LLC1,253$847.7K0.16%−8−0.6%Reduced
Berkshire Bank1,255$849.0K0.17%−239−16.0%Reduced
Ballentine Partners, LLC1,263$854.5K0.01%+76+6.4%Added
Groupama Asset Managment1,266$856.5K0.01%−101−7.4%Reduced
Sigma Planning Corp1,269$858.5K0.02%+102+8.7%Added
Davy Global Fund Management Ltd1,271$859.9K0.06%−110−8.0%Reduced
Stevens Capital Management LP1,271$860.0K0.30%−340−21.1%Reduced
Summit Financial, LLC1,272$860.5K0.01%−319−20.1%Reduced
ICICI Prudential Asset Management Co Ltd1,281$866.6K0.10%+53+4.3%Added
Brown Brothers Harriman & Co1,286$870.0K0.00%+211+19.6%Added
Hemenway Trust Co LLC1,289$872.0K0.07%−25−1.9%Reduced
Scientech Research LLC1,293$874.8K0.55%+1,293New
Balyasny Asset Management LLC1,295$876.1K0.00%−1,920−59.7%Reduced
GHP Investment Advisors, Inc.1,297$877.5K0.04%+12+0.9%Added
NBC Securities, Inc.1,308$884.9K0.07%−52−3.8%Reduced
Pine Haven Investment Counsel, Inc1,308$884.9K0.63%+44+3.5%Added
Ellevest, Inc.1,313$888.3K0.12%−98−6.9%Reduced
Sargent Investment Group, LLC1,325$896.4K0.11%+1,325New
Aaron Wealth Advisors1,330$899.8K0.05%+162+13.9%Added
Bigelow Investment Advisors, LLC1,336$903.8K0.35%−39−2.8%Reduced
Empower Advisory Group, LLC1,340$906.5K0.00%+557+71.1%Added
Snowden Capital Advisors LLC1,345$909.9K0.02%−279−17.2%Reduced
Verdence Capital Advisors LLC1,351$914.0K0.05%−320−19.2%Reduced
CFC Planning Co LLC1,355$916.7K0.71%+397+41.4%Added
Marietta Investment Partners LLC1,383$935.6K0.19%+898+185.2%Added
Mission Wealth Management, LP1,424$963.5K0.02%+7+0.5%Added
Oak Ridge Investments LLC1,434$970.1K0.06%−87−5.7%Reduced
Venturi Wealth Management, LLC1,434$970.1K0.04%+6+0.4%Added
Hills Bank & Trust Co1,448$979.6K0.06%−1−0.1%Reduced
Hager Investment Management Services, LLC1,456$985.0K0.54%+75+5.4%Added
Williamson Legacy Group, LLC1,462$989.1K0.77%+6+0.4%Added
Essex Financial Services, Inc.1,464$990.4K0.06%−30−2.0%Reduced
17 Capital Partners, LLC1,465$991.1K0.52%−8−0.5%Reduced
Winton Group Ltd1,469$993.8K0.03%−620−29.7%Reduced
Mather Group, LLC.1,474$997.2K0.01%+25+1.7%Added
Bank of Hawaii1,475$997.9K0.05%−1,725−53.9%Reduced