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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
Empower Advisory Group, LLC1,340$906.5K0.00%+557+71.1%Added
Bigelow Investment Advisors, LLC1,336$903.8K0.35%−39−2.8%Reduced
Aaron Wealth Advisors1,330$899.8K0.05%+162+13.9%Added
Sargent Investment Group, LLC1,325$896.4K0.11%+1,325New
Ellevest, Inc.1,313$888.3K0.12%−98−6.9%Reduced
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
GHP Investment Advisors, Inc.1,297$877.5K0.04%+12+0.9%Added
Balyasny Asset Management LLC1,295$876.1K0.00%−1,920−59.7%Reduced
Scientech Research LLC1,293$874.8K0.55%+1,293New
Hemenway Trust Co LLC1,289$872.0K0.07%−25−1.9%Reduced
Brown Brothers Harriman & Co1,286$870.0K0.00%+211+19.6%Added
ICICI Prudential Asset Management Co Ltd1,281$866.6K0.10%+53+4.3%Added
Summit Financial, LLC1,272$860.5K0.01%−319−20.1%Reduced
Stevens Capital Management LP1,271$860.0K0.30%−340−21.1%Reduced
Davy Global Fund Management Ltd1,271$859.9K0.06%−110−8.0%Reduced
Sigma Planning Corp1,269$858.5K0.02%+102+8.7%Added
Groupama Asset Managment1,266$856.5K0.01%−101−7.4%Reduced
Ballentine Partners, LLC1,263$854.5K0.01%+76+6.4%Added
Berkshire Bank1,255$849.0K0.17%−239−16.0%Reduced
Intellectus Partners, LLC1,253$847.7K0.16%−8−0.6%Reduced
Montag A & Associates Inc1,250$845.7K0.04%00.0%Unchanged
Sumitomo Life Insurance Co1,239$838.2K0.02%−2,075−62.6%Reduced
Campbell & CO Investment Adviser LLC1,238$837.5K0.04%+1,238New
Pinnacle Associates Ltd1,227$830.1K0.01%+18+1.5%Added
Marshall Wace, LLP1,227$830.1K0.00%+727+145.4%Added
GTS Securities LLC1,213$820.6K0.03%−614−33.6%Reduced
Conestoga Capital Advisors, LLC1,205$815.2K0.01%−484−28.7%Reduced
Ofi Invest Asset Management1,253$814.3K0.01%+761+154.7%Added
Savvy Advisors, Inc.1,201$812.5K0.03%+63+5.5%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
Vise Technologies, Inc.1,197$809.7K0.02%+258+27.5%Added
Legacy Trust1,196$809.1K0.15%00.0%Unchanged
Diversify Wealth Management, LLC1,118$798.3K0.04%+44+4.1%Added
Angeles Wealth Management, LLC1,179$797.6K0.04%−13−1.1%Reduced
Oak Thistle LLC1,168$790.2K0.11%+1,168New
Little House Capital LLC1,156$782.1K0.20%−144−11.1%Reduced
First National Bank1,153$780.0K0.41%+21+1.9%Added
Phoenix Holdings Ltd.1,150$777.7K0.01%+90+8.5%Added
Clarius Group, LLC1,143$773.3K0.04%+721+170.9%Added
Smartleaf Asset Management LLC1,130$771.7K0.03%−28−2.4%Reduced
Inscription Capital, LLC1,134$767.2K0.08%+207+22.3%Added
Stratos Wealth Partners, LTD.1,114$753.7K0.01%+45+4.2%Added
Sterling Investment Advisors, Ltd.1,100$744.2K0.14%00.0%Unchanged
Jump Financial, LLC1,082$732.0K0.01%−6,009−84.7%Reduced
Generali Investments, Management Co LLC1,081$731.3K0.15%+234+27.6%Added
Syon Capital LLC1,070$723.9K0.04%+54+5.3%Added
Crestwood Advisors Group LLC1,068$722.5K0.01%+98+10.1%Added
Continental Investors Services, Inc.1,077$722.1K0.93%−6−0.6%Reduced
Ostrum Asset Management1,065$720.5K0.03%−136−11.3%Reduced
Steadtrust LLC1,050$710.4K0.44%00.0%Unchanged
Boreal Capital Management LLC1,047$708.3K0.53%+142+15.7%Added
Fulcrum Asset Management LLP1,037$707.6K0.20%+152+17.2%Added
SFMG, LLC1,045$707.2K0.05%+423+68.0%Added
Crestmont Private Wealth LLC1,045$707.0K0.23%+15+1.5%Added
Arkadios Wealth Advisors1,044$706.3K0.01%−81−7.2%Reduced
Canandaigua National Bank & Trust Co1,043$705.6K0.06%−12−1.1%Reduced
Cookson Peirce & Co Inc1,034$699.5K0.03%+1,034New
Waratah Capital Advisors Ltd.1,034$699.5K0.05%00.0%Unchanged
Ausdal Financial Partners, Inc.1,030$697.3K0.03%+338+48.8%Added
Turtle Creek Wealth Advisors, LLC1,024$692.8K0.05%+582+131.7%Added
Weatherly Asset Management L. P.1,014$686.3K0.05%−55−5.1%Reduced
Waters Parkerson & Co., LLC1,010$683.3K0.03%00.0%Unchanged
Buckingham Strategic Partners1,009$682.9K0.01%−131−11.5%Reduced
Sagespring Wealth Partners, LLC1,009$682.6K0.01%+129+14.7%Added
Chicago Partners Investment Group LLC972$674.4K0.02%+25+2.6%Added
Frank, Rimerman Advisors LLC995$673.1K0.04%+444+80.6%Added
Concurrent Investment Advisors, LLC994$672.7K0.01%−642−39.2%Reduced
BDFS Capital LLC992$671.1K0.34%+992New
Chesapeake Capital Corp989$669.1K0.56%00.0%Unchanged
Triglav Skladi, D.O.O.985$666.4K0.04%−415−29.6%Reduced
NorthRock Partners, LLC981$663.7K0.01%−1,123−53.4%Reduced
Dana Investment Advisors, Inc.980$663.0K0.02%00.0%Unchanged
Whittier Trust Co of Nevada Inc936$661.6K0.01%−11−1.2%Reduced
111 Capital966$653.5K0.14%+405+72.2%Added
PDS Planning, Inc961$650.1K0.04%−6−0.6%Reduced
Kingsview Wealth Management, LLC960$649.5K0.01%−20−2.0%Reduced
Aberdeen Wealth Management LLC958$648.1K0.30%−50−5.0%Reduced
Kirtland Hills Capital Management, LLC953$644.7K0.23%00.0%Unchanged
Silvercrest Asset Management Group LLC952$644.1K0.00%−996−51.1%Reduced
City Holding Co949$642.0K0.08%+407+75.1%Added
Topsail Wealth Management, LLC945$639.3K0.09%00.0%Unchanged
W.G. Shaheen & Associates DBA Whitney & Co940$635.9K0.05%00.0%Unchanged
Ci Investments Inc.938$634.6K0.00%+43+4.8%Added
ROI Financial Advisors, LLC937$633.9K0.36%−30−3.1%Reduced
71 West Capital Partners936$633.2K0.03%+936New
Catalytic Wealth RIA, LLC935$632.6K0.02%−1,355−59.2%Reduced
Westpac Banking Corp930$629.2K0.04%00.0%Unchanged
KFG Wealth Management, LLC928$627.8K0.08%−94−9.2%Reduced
Blalock Williams, LLC926$626.5K0.50%+2+0.2%Added
Highland Capital Management, LLC925$625.8K0.03%00.0%Unchanged
RM Financial Services, LLC925$625.8K0.56%+925New
Voya Financial Advisors, Inc.908$624.6K0.06%−55−5.7%Reduced
Commerzbank Aktiengesellschaft918$621.0K0.01%00.0%Unchanged
Savant Capital, LLC914$618.3K0.00%−38−4.0%Reduced
Trust Asset Management LLC910$615.6K0.04%−39−4.1%Reduced
One Wealth Capital Management, LLC900$608.9K0.26%−66−6.8%Reduced
Foundations Investment Advisors, LLC897$606.8K0.01%+37+4.3%Added
Foster Dykema Cabot & Partners, LLC895$605.5K0.04%+1+0.1%Added