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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
Benjamin Edwards Inc3,972$2.09M0.02%−289−6.8%Reduced
Virtu Financial LLC3,978$2.09M0.07%+2,076+109.1%Added
Great Lakes Advisors, LLC3,991$2.10M0.02%−114−2.8%Reduced
Bailard, Inc.3,995$2.10M0.04%+1,842+85.6%Added
D L Carlson Investment Group Inc4,077$2.15M0.34%+127+3.2%Added
Merit Financial Group, LLC4,079$2.15M0.01%+302+8.0%Added
Martin Capital Advisors, LLP4,113$2.17M1.14%00.0%Unchanged
Steward Partners Investment Advisory, LLC4,162$2.19M0.01%+1,005+31.8%Added
HB Wealth Management, LLC4,167$2.19M0.01%−110−2.6%Reduced
Sanibel Captiva Trust Company, Inc.4,200$2.21M0.06%+2,697+179.4%Added
Sequoia Financial Advisors, LLC4,243$2.23M0.01%−458−9.7%Reduced
Grimes & Company, Inc.4,274$2.25M0.05%−9−0.2%Reduced
Transamerica Financial Advisors, Inc.4,279$2.25M0.19%−497−10.4%Reduced
Huntington National Bank4,293$2.26M0.01%+456+11.9%Added
Cambridge Investment Research Advisors, Inc.4,300$2.26M0.01%−246−5.4%Reduced
Beacon Pointe Advisors, LLC4,300$2.26M0.01%−1,562−26.6%Reduced
Maryland State Retirement & Pension System4,303$2.27M0.04%+302+7.5%Added
Hartford Investment Management Co4,345$2.29M0.07%−213−4.7%Reduced
Sit Investment Associates Inc4,350$2.29M0.04%00.0%Unchanged
Tokio Marine Asset Management Co Ltd4,360$2.30M0.07%−100−2.2%Reduced
Oak Thistle LLC4,361$2.30M0.22%+4,361New
EP Wealth Advisors, LLC4,367$2.30M0.01%+2,254+106.7%Added
MidFirst Bank4,381$2.31M0.16%+3+0.1%Added
Empowered Funds, LLC4,418$2.33M0.01%+246+5.9%Added
Birchbrook, Inc.4,477$2.36M1.11%−37−0.8%Reduced
Nomura Holdings Inc4,495$2.37M0.01%+4,495New
Taylor Frigon Capital Management LLC4,504$2.37M1.11%+910+25.3%Added
Aurora Investment Managers, LLC.4,638$2.44M1.49%+4,638New
King Luther Capital Management Corp4,725$2.49M0.01%00.0%Unchanged
J. Safra Sarasin Holding AG4,666$2.51M0.04%+686+17.2%Added
Summit Trail Advisors, LLC4,777$2.51M0.03%+993+26.2%Added
M&T Bank Corp4,819$2.54M0.01%+246+5.4%Added
Patten Group, Inc.4,862$2.56M0.40%−212−4.2%Reduced
Greenfield Seitz Capital Management, LLC4,866$2.56M0.76%+213+4.6%Added
Abn Amro Investment Solutions4,867$2.56M0.02%+1,077+28.4%Added
Moneta Group Investment Advisors LLC4,904$2.58M0.02%−38−0.8%Reduced
Norway Savings Bank4,919$2.59M1.09%+263+5.6%Added
Wealthspire Advisors, LLC4,941$2.60M0.01%+1,545+45.5%Added
Fox Run Management, L.L.C.4,967$2.61M0.43%+3,269+192.5%Added
J.W. Cole Advisors, Inc.4,970$2.62M0.04%+81+1.7%Added
Old Port Advisors5,027$2.65M0.52%+28+0.6%Added
Kentucky Retirement Systems5,029$2.65M0.07%+5,029New
LMR Partners LLP5,052$2.66M0.02%+5,052New
Adviser Investments LLC5,082$2.68M0.03%+12+0.2%Added
Kinneret Advisory, LLC5,087$2.68M0.22%00.0%Unchanged
Kraematon Investment Advisors, Inc5,130$2.70M2.01%−84−1.6%Reduced
Cabot Wealth Management Inc5,136$2.70M0.28%−334−6.1%Reduced
Cortland Associates Inc5,149$2.71M0.39%−142−2.7%Reduced
Metis Global Partners, LLC5,149$2.71M0.06%+73+1.4%Added
PFG Advisors5,172$2.72M0.14%+92+1.8%Added
Evercore Wealth Management, LLC5,174$2.72M0.04%+200+4.0%Added
Avanza Fonder AB5,175$2.72M0.06%−1,752−25.3%Reduced
Engineers Gate Manager LP5,186$2.73M0.04%+3,211+162.6%Added
Vestmark Advisory Solutions, Inc.5,234$2.76M0.03%−34−0.6%Reduced
Barbara Oil Co.5,245$2.81M0.94%00.0%Unchanged
MML Investors Services, LLC5,374$2.83M0.01%+209+4.0%Added
Robinson Value Management, Ltd.5,377$2.83M1.52%−68−1.2%Reduced
Banque Transatlantique SA4,400$2.85M0.06%+184+4.4%Added
We Are One Seven, LLC5,506$2.90M0.05%−89−1.6%Reduced
Saudi Central Bank5,560$2.93M0.04%+2,613+88.7%Added
Spinnaker Trust5,741$3.02M0.15%−331−5.5%Reduced
Knollwood Investment Advisory, LLC5,800$3.05M0.27%00.0%Unchanged
Chicago Trust Co NA5,812$3.06M0.44%+19+0.3%Added
Campbell & CO Investment Adviser LLC5,836$3.07M0.16%−1,936−24.9%Reduced
TD Waterhouse Canada Inc.5,721$3.08M0.01%−3,012−34.5%Reduced
NewEdge Wealth, LLC5,843$3.08M0.03%+112+2.0%Added
Generali Asset Management SPA SGR5,860$3.08M0.06%−1,877−24.3%Reduced
Apollon Wealth Management, LLC5,873$3.09M0.04%−73−1.2%Reduced
AE Wealth Management LLC5,903$3.11M0.01%+28+0.5%Added
Harvest Fund Management Co., Ltd5,935$3.12M0.10%−18−0.3%Reduced
Regions Financial Corp6,060$3.19M0.02%−468−7.2%Reduced
Gulf International Bank (UK) Ltd6,065$3.19M0.06%−100−1.6%Reduced
Fiduciary Trust Co6,101$3.21M0.03%−649−9.6%Reduced
Ambassador Advisors, LLC6,155$3.24M0.40%+6,155New
Walter Public Investments Inc.6,166$3.25M0.78%+1,050+20.5%Added
Mizuho Securities USA LLC6,176$3.25M0.05%+1,349+27.9%Added
Ci Investments Inc.6,187$3.26M0.01%+5,264+570.3%Added
Geneos Wealth Management Inc.6,201$3.26M0.07%+273+4.6%Added
Wiley Bros.-Aintree Capital, LLC6,313$3.29M0.01%−13−0.2%Reduced
NLB Skladi, upravljanje premozenja, d.o.o.6,301$3.32M0.13%−1,951−23.6%Reduced
Legal Advantage Investments, Inc.6,360$3.35M1.17%00.0%Unchanged
Profund Advisors LLC6,365$3.35M0.09%+312+5.2%Added
Ritholtz Wealth Management6,366$3.35M0.05%−2,277−26.3%Reduced
Headinvest, LLC6,578$3.46M0.65%−130−1.9%Reduced
Sanctuary Advisors, LLC6,590$3.47M0.02%−7,774−54.1%Reduced
New Hampshire Trust6,694$3.52M0.66%+12+0.2%Added
Portland Global Advisors LLC6,737$3.55M0.34%00.0%Unchanged
Boston Private Wealth LLC6,764$3.56M0.22%−571−7.8%Reduced
First Foundation Advisors6,832$3.60M0.13%−319−4.5%Reduced
Pittenger & Anderson Inc6,841$3.60M0.13%−3,561−34.2%Reduced
Motley Fool Asset Management LLC6,905$3.64M0.14%−917−11.7%Reduced
Clear Harbor Asset Management, LLC6,980$3.67M0.23%−408−5.5%Reduced
Bright Rock Capital Management, LLC7,000$3.69M0.74%00.0%Unchanged
Crossmark Global Holdings, Inc.7,022$3.70M0.05%−2,772−28.3%Reduced
MUFG Securities EMEA plc7,081$3.73M0.04%+3,807+116.3%Added
Spears Abacus Advisors LLC7,177$3.78M0.07%+10.0%Added
Moody Lynn & Lieberson, LLC7,272$3.83M0.20%+22+0.3%Added
Opal Capital LLC7,304$3.85M0.69%+1,846+33.8%Added
Federation des caisses Desjardins du Quebec7,338$3.86M0.01%+1,044+16.6%Added
Atria Investments LLC7,511$3.95M0.04%−2,532−25.2%Reduced