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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 2026

Institutional positions in IDEXX Laboratories Inc as of Jun 30, 2026. 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
1,306
+9 vs. Q1 2026
Shares held
74.2M
+983.2K (+1.3%) vs. Q1 2026
Total value
$39.1B
−$2.07B (−5.0%) vs. Q1 2026
New holders
115
474 more added
Sold out
106
511 more reduced

21 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,306 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 2026: $39.1B
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, Q2 2026

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2026.

Institutions holding IDXX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
JustInvest LLC17,306$9.11M0.07%+930+5.7%Added
Cerity Partners LLC17,284$9.10M0.01%−3,107−15.2%Reduced
Flossbach Von Storch AG17,270$9.09M0.04%−764−4.2%Reduced
Norinchukin Bank, The17,138$9.02M0.09%+9,420+122.1%Added
Woodline Partners LP17,066$8.98M0.03%+15,611+1,072.9%Added
Amalgamated Bank16,848$8.87M0.06%−80−0.5%Reduced
Silvant Capital Management LLC16,682$8.78M0.26%+3,434+25.9%Added
Carderock Capital Management Inc16,627$8.75M1.92%+161+1.0%Added
Retirement Systems of Alabama16,570$8.72M0.03%−386−2.3%Reduced
Bath Savings Trust Co16,556$8.72M0.90%−46−0.3%Reduced
Y-Intercept (Hong Kong) Ltd16,330$8.60M0.17%+2,665+19.5%Added
iA Global Asset Management Inc.16,298$8.58M0.10%+470+3.0%Added
Teachers Retirement System of the State of Kentucky16,101$8.48M0.06%+9,680+150.8%Added
US Bancorp16,047$8.45M0.01%+847+5.6%Added
UniSuper Management Pty Ltd16,018$8.43M0.04%+6,827+74.3%Added
Jacobson & Schmitt Advisors, LLC15,764$8.30M1.36%+398+2.6%Added
Fideuram Asset Management (Ireland) dac14,772$8.11M0.16%+5,462+58.7%Added
Sienna Gestion14,960$8.11M0.48%−4,866−24.5%Reduced
Flputnam Investment Management Co14,882$7.83M0.09%−337−2.2%Reduced
Chilton Investment Co LLC14,862$7.82M0.19%−165−1.1%Reduced
Elyxium Wealth, LLC14,832$7.81M0.82%+1,861+14.3%Added
Nicola Wealth Management Ltd.14,800$7.79M0.90%00.0%Unchanged
GWM Advisors LLC14,787$7.78M0.02%−434−2.9%Reduced
EULAV Asset Management14,618$7.70M0.25%−34,600−70.3%Reduced
Natixis14,565$7.67M0.04%−3,453−19.2%Reduced
ASR Vermogensbeheer N.V.14,497$7.63M0.08%+7,795+116.3%Added
Great Diamond Partners, LLC14,310$7.53M1.29%−36−0.3%Reduced
PensionDanmark Pensionsforsikringsaktieselskab14,190$7.47M0.06%+610+4.5%Added
Cardinal Capital Management14,151$7.45M0.90%+44+0.3%Added
Truist Financial Corp13,894$7.31M0.01%−2,055−12.9%Reduced
Mercer Global Advisors Inc13,662$7.19M0.01%+4,276+45.6%Added
Commonwealth Equity Services, LLC13,489$7.10M0.01%−319−2.3%Reduced
Wealth Enhancement Advisory Services, LLC12,940$7.07M0.01%+3,286+34.0%Added
Omers Administration Corp13,373$7.04M0.04%+1,362+11.3%Added
Middleton & Co Inc13,158$6.93M0.74%+20.0%Added
B. Metzler seel. Sohn & Co. AG13,155$6.93M0.06%−3,087−19.0%Reduced
Wealthfront Advisers LLC13,026$6.86M0.01%−5,576−30.0%Reduced
Janney Montgomery Scott LLC13,000$6.84M0.01%+578+4.7%Added
ExodusPoint Capital Management, LP12,971$6.83M0.06%+12,971New
Public Sector Pension Investment Board12,811$6.74M0.02%−104−0.8%Reduced
Moran Wealth Management, LLC12,707$6.69M0.18%−421−3.2%Reduced
Kornitzer Capital Management Inc12,704$6.69M0.14%−15−0.1%Reduced
Waratah Capital Advisors Ltd.12,474$6.57M0.50%+11,756+1,637.3%Added
Dash Acquisitions Inc.11,395$6.50M1.32%+7,581+198.8%Added
STRS Ohio12,347$6.50M0.02%+141+1.2%Added
Advisors Capital Management, LLC12,307$6.48M0.07%+437+3.7%Added
XTX Topco Ltd12,097$6.37M0.08%+7,612+169.7%Added
Sumitomo Mitsui DS Asset Management Company, Ltd12,071$6.35M0.04%+121+1.0%Added
Utah Retirement Systems12,001$6.32M0.06%−947−7.3%Reduced
British Columbia Investment Management Corp11,907$6.27M0.04%+901+8.2%Added
Northstar Asset Management Inc11,901$6.27M1.84%−793−6.2%Reduced
WoodTrust Financial Corp11,778$6.20M0.74%+87+0.7%Added
Police & Firemen's Retirement System of New Jersey11,764$6.19M0.05%−428−3.5%Reduced
New York Life Investment Management LLC11,759$6.19M0.04%−118−1.0%Reduced
Glenmede Trust Co NA11,638$6.13M0.03%−3,466−22.9%Reduced
Haven Capital Group, Inc.11,492$6.05M4.86%−645−5.3%Reduced
Vident Advisory, LLC11,455$6.03M0.04%+778+7.3%Added
Wendell David Associates Inc11,363$5.98M0.63%+295+2.7%Added
Long Road Investment Counsel, LLC11,307$5.95M2.19%00.0%Unchanged
Integrated Wealth Concepts LLC11,257$5.93M0.04%−82−0.7%Reduced
Illinois Municipal Retirement Fund11,109$5.85M0.07%+4,493+67.9%Added
Blue Zone Wealth Advisors, LLC11,048$5.82M1.02%+431+4.1%Added
Voleon Capital Management LP10,993$5.79M0.11%+8,701+379.6%Added
Algert Global LLC10,737$5.65M0.07%+792+8.0%Added
Commerce Bank10,633$5.60M0.02%+1,626+18.1%Added
Brevan Howard Capital Management LP10,606$5.58M0.08%+10,606New
Crystal Rock Capital Management10,600$5.58M2.84%+1,075+11.3%Added
Ethic Inc.10,542$5.55M0.07%−400−3.7%Reduced
Intech Investment Management LLC10,493$5.52M0.05%−25,688−71.0%Reduced
Yousif Capital Management, LLC10,465$5.51M0.06%−284−2.6%Reduced
Elo Mutual Pension Insurance Co10,417$5.48M0.07%−1,155−10.0%Reduced
Jupiter Topco LLC10,392$5.47M0.00%+10,392New
Boston Trust Walden Corp10,335$5.44M0.04%−310−2.9%Reduced
Impax Asset Management Group plc10,234$5.39M0.04%+445+4.5%Added
WSFS Capital Management, LLC10,158$5.35M0.23%−110−1.1%Reduced
Aptus Capital Advisors, LLC9,994$5.26M0.04%−103−1.0%Reduced
Anderson Hoagland & Co9,834$5.18M0.41%−63−0.6%Reduced
Howe & Rusling Inc9,825$5.17M0.30%+10+0.1%Added
Oregon Public Employees Retirement Fund9,757$5.14M0.06%+611+6.7%Added
Perkins Capital Management Inc9,700$5.11M4.04%00.0%Unchanged
Ilmarinen Mutual Pension Insurance Co9,700$5.11M0.03%00.0%Unchanged
Quantbot Technologies LP9,631$5.07M0.20%+9,631New
Azzad Asset Management Inc9,403$4.95M0.44%+20.0%Added
Decatur Capital Management, Inc.9,337$4.92M1.67%+9,337New
Hantz Financial Services, Inc.9,231$4.86M0.07%−36−0.4%Reduced
Landscape Capital Management, L.L.C.9,206$4.85M0.31%+12+0.1%Added
Louisiana State Employees Retirement System9,100$4.79M0.07%−200−2.2%Reduced
Employees Retirement System of Texas9,078$4.78M0.04%+672+8.0%Added
Farallon Capital Management, L.L.C.9,000$4.74M0.03%+9,000New
Brant Point Investment Management LLC8,931$4.70M1.05%−500−5.3%Reduced
Gateway Investment Advisers LLC8,920$4.70M0.05%+2,066+30.1%Added
Shelton Capital Management8,889$4.68M0.09%−433−4.6%Reduced
Twinbeech Capital LP8,770$4.62M0.84%+8,263+1,629.8%Added
Tandem Investment Advisors, Inc.8,389$4.42M0.30%−1,987−19.1%Reduced
Lord, Abbett & Co. LLC8,363$4.40M0.01%−79,884−90.5%Reduced
Bank of Nova Scotia8,327$4.38M0.01%−2,797−25.1%Reduced
FIL Ltd8,278$4.36M0.00%+1,074+14.9%Added
LaFleur & Godfrey LLC8,234$4.33M0.51%−126−1.5%Reduced
Univest Financial Corp8,076$4.25M0.21%+1,486+22.5%Added
Crown Oak Advisors, LLC7,892$4.15M1.93%+7,892New