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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 2025

Institutional positions in IDEXX Laboratories Inc as of Jun 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
1,234
+104 vs. Q1 2025
Shares held
74.5M
+503.9K (+0.7%) vs. Q1 2025
Total value
$40.0B
+$8.90B (+28.6%) vs. Q1 2025
New holders
198
425 more added
Sold out
94
419 more reduced

13 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,234 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 2025: $40.0B
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 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2025.

Institutions holding IDXX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cardinal Capital Management14,268$7.65M1.12%+179+1.3%Added
JustInvest LLC14,190$7.61M0.09%+848+6.4%Added
iA Global Asset Management Inc.14,117$7.57M0.11%+565+4.2%Added
Haven Capital Group, Inc.14,092$7.56M6.66%−47−0.3%Reduced
Kovitz Investment Group Partners, LLC13,993$7.51M0.03%−3,766−21.2%Reduced
Utah Retirement Systems13,359$7.16M0.07%−79−0.6%Reduced
Middleton & Co Inc13,307$7.14M0.80%+695+5.5%Added
Jane Street Group, LLC13,229$7.10M0.01%+5,668+75.0%Added
Pacer Advisors, Inc.13,169$7.06M0.02%+4,825+57.8%Added
Wendell David Associates Inc13,152$7.05M0.71%−20−0.2%Reduced
Gateway Investment Advisers LLC13,039$6.99M0.08%−257−1.9%Reduced
Aptus Capital Advisors, LLC12,792$6.86M0.07%+2,816+28.2%Added
British Columbia Investment Management Corp12,750$6.84M0.04%−2,910−18.6%Reduced
WoodTrust Financial Corp12,619$6.77M0.94%+12,619New
Police & Firemen's Retirement System of New Jersey12,248$6.57M0.06%+377+3.2%Added
Silvant Capital Management LLC12,168$6.53M0.25%00.0%Unchanged
New York Life Investment Management LLC12,052$6.46M0.06%−156−1.3%Reduced
Marks Group Wealth Management, Inc11,940$6.40M0.60%+107+0.9%Added
Blue Zone Wealth Advisors, LLC11,857$6.36M1.59%+556+4.9%Added
Advisor Group Holdings, Inc.12,458$6.31M0.01%+1,710+15.9%Added
Yousif Capital Management, LLC11,745$6.30M0.07%−253−2.1%Reduced
Tandem Investment Advisors, Inc.11,745$6.30M0.22%+32+0.3%Added
AE Wealth Management LLC11,597$6.22M0.05%+5,692+96.4%Added
PFG Advisors11,571$6.21M0.29%+1,196+11.5%Added
Univest Financial Corp11,546$6.19M0.37%+3,030+35.6%Added
Capital Fund Management S.A.11,542$6.19M0.07%−8,714−43.0%Reduced
Brant Point Investment Management LLC11,276$6.05M1.38%−1,072−8.7%Reduced
WSFS Capital Management, LLC11,252$6.03M0.33%+1,051+10.3%Added
EFG Asset Management (North America) Corp.11,125$5.96M0.84%−1,028−8.5%Reduced
Long Road Investment Counsel, LLC11,082$5.94M2.22%−225−2.0%Reduced
Janus Henderson Group PLC10,834$5.81M0.00%−1,721−13.7%Reduced
Brinker Capital Investments, LLC10,718$5.75M0.05%+5,770+116.6%Added
Elo Mutual Pension Insurance Co10,691$5.73M0.12%+10,691New
Crystal Rock Capital Management10,585$5.68M3.27%−600−5.4%Reduced
Pittenger & Anderson Inc10,487$5.62M0.21%+76+0.7%Added
Jensen Investment Management Inc10,410$5.58M0.07%+2,220+27.1%Added
Toroso Investments, LLC10,289$5.52M0.04%+1,850+21.9%Added
O'Shaughnessy Asset Management, LLC10,174$5.46M0.04%+1,297+14.6%Added
Captrust Financial Advisors10,134$5.44M0.01%+563+5.9%Added
Taikang Asset Management (Hong Kong) Co Ltd10,125$5.43M0.70%00.0%Unchanged
Louisiana State Employees Retirement System10,100$5.42M0.10%−200−1.9%Reduced
Anderson Hoagland & Co9,925$5.32M0.51%+17+0.2%Added
Atria Investments LLC9,830$5.27M0.06%+7,780+379.5%Added
LaFleur & Godfrey LLC9,816$5.26M0.66%−478−4.6%Reduced
Lazard Asset Management LLC9,707$5.21M0.01%+722+8.0%Added
Two Sigma Investments, LP9,700$5.20M0.01%−24,639−71.8%Reduced
Perkins Capital Management Inc9,700$5.20M5.23%00.0%Unchanged
Shelton Capital Management9,646$5.17M0.12%−546−5.4%Reduced
Ethic Inc.9,668$5.14M0.09%+1,011+11.7%Added
Dark Forest Capital Management LP9,399$5.04M0.20%+7,286+344.8%Added
Spears Abacus Advisors LLC9,071$4.87M0.10%−10.0%Reduced
State of Alaska, Department of Revenue9,032$4.84M0.05%−555−5.8%Reduced
Impax Asset Management Group plc8,853$4.75M0.03%00.0%Unchanged
Insight Wealth Strategies, LLC8,660$4.70M0.59%−1,332−13.3%Reduced
Woodline Partners LP8,699$4.67M0.02%+8,699New
Brevan Howard Capital Management LP8,666$4.65M0.05%+8,666New
Azzad Asset Management Inc8,665$4.65M0.50%+807+10.3%Added
First Foundation Advisors8,536$4.58M0.17%+83+1.0%Added
Barbara Oil Co.8,495$4.56M1.79%00.0%Unchanged
CWM Advisors, LLC8,462$4.54M0.49%−5,115−37.7%Reduced
Fiduciary Trust Co8,336$4.47M0.06%+235+2.9%Added
Sterling Capital Management LLC8,178$4.39M0.06%−859−9.5%Reduced
Howe & Rusling Inc8,094$4.34M0.32%+401+5.2%Added
Nordea Investment Management AB8,057$4.30M0.00%+361+4.7%Added
Groupe la Francaise7,895$4.22M0.07%+1,349+20.6%Added
Clear Harbor Asset Management, LLC7,845$4.21M0.32%−50−0.6%Reduced
Linden Thomas Advisory Services, LLC7,797$4.18M0.46%+66+0.9%Added
Summit Asset Management, LLC7,785$4.18M0.68%00.0%Unchanged
Public Employees Retirement Association of Colorado7,773$4.17M0.02%−3,072−28.3%Reduced
Regions Financial Corp7,769$4.17M0.03%−71−0.9%Reduced
Advisors Capital Management, LLC7,708$4.13M0.06%+7,148+1,276.4%Added
Norinchukin Bank, The7,652$4.10M0.06%+203+2.7%Added
Bell Asset Management Ltd7,515$4.03M0.89%−7,208−49.0%Reduced
Generali Asset Management SPA SGR7,427$3.98M0.09%−1,959−20.9%Reduced
CIBC World Markets Inc.7,263$3.90M0.01%+6,092+520.2%Added
Moody Lynn & Lieberson, LLC7,231$3.88M0.22%−11−0.2%Reduced
Headinvest, LLC7,176$3.85M0.82%−1,384−16.2%Reduced
Illinois Municipal Retirement Fund7,129$3.82M0.05%−1,172−14.1%Reduced
Wealthfront Advisers LLC7,014$3.76M0.01%+468+7.1%Added
Profund Advisors LLC7,008$3.76M0.14%+605+9.4%Added
Bright Rock Capital Management, LLC7,000$3.75M0.76%00.0%Unchanged
Ilmarinen Mutual Pension Insurance Co7,000$3.75M0.03%00.0%Unchanged
Omers Administration Corp6,983$3.75M0.03%−500−6.7%Reduced
UniSuper Management Pty Ltd6,940$3.72M0.02%−810−10.5%Reduced
Oregon Public Employees Retirement Fund6,925$3.71M0.07%−100−1.4%Reduced
RFG Advisory, LLC6,776$3.63M0.09%+366+5.7%Added
Stonegate Investment Group, LLC6,715$3.60M0.09%+587+9.6%Added
Ossiam6,644$3.56M0.04%+1,731+35.2%Added
New Hampshire Trust6,438$3.45M0.72%−75−1.2%Reduced
Teachers Retirement System of the State of Kentucky6,421$3.44M0.03%+83+1.3%Added
Legal Advantage Investments, Inc.6,395$3.43M1.60%00.0%Unchanged
Perbak Capital Partners LLP6,365$3.41M0.77%+6,365New
Davenport & Co LLC6,349$3.41M0.02%−444−6.5%Reduced
Nutshell Asset Management Ltd6,223$3.34M1.99%−3,884−38.4%Reduced
Ninety One SA (PTY) Ltd6,222$3.34M0.55%+214+3.6%Added
Cape Cod Five Cents Savings Bank6,566$3.32M0.31%00.0%Unchanged
Harvest Fund Management Co., Ltd6,162$3.30M0.16%+802+15.0%Added
Public Sector Pension Investment Board6,140$3.29M0.01%−20,054−76.6%Reduced
Qube Research & Technologies Ltd6,089$3.27M0.00%−257,930−97.7%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH6,051$3.25M0.09%+5,845+2,837.4%Added