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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, Q1 2025

Institutional positions in IDEXX Laboratories Inc as of Mar 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
1,143
+34 vs. Q4 2024
Shares held
74.1M
+2.63M (+3.7%) vs. Q4 2024
Total value
$31.1B
+$1.53B (+5.2%) vs. Q4 2024
New holders
123
467 more added
Sold out
89
353 more reduced

15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 1,143 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 heldQ1 2025: $31.1B
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, Q1 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2024.

Institutions holding IDXX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wendell David Associates Inc13,172$5.53M0.55%−917−6.5%Reduced
Engineers Gate Manager LP12,812$5.38M0.09%+5,251+69.4%Added
Middleton & Co Inc12,612$5.30M0.62%+307+2.5%Added
Ieq Capital, LLC12,532$5.26M0.04%+4,882+63.8%Added
Janus Henderson Group PLC12,555$5.22M0.00%+908+7.8%Added
Brant Point Investment Management LLC12,348$5.19M1.26%+2,348+23.5%Added
New York Life Investment Management LLC12,208$5.13M0.05%−71−0.6%Reduced
Silvant Capital Management LLC12,168$5.11M0.24%00.0%Unchanged
EFG Asset Management (North America) Corp.12,153$5.10M0.85%−1,222−9.1%Reduced
Yousif Capital Management, LLC11,998$5.04M0.06%−22−0.2%Reduced
Police & Firemen's Retirement System of New Jersey11,871$4.99M0.05%00.0%Unchanged
Marks Group Wealth Management, Inc11,833$4.97M0.48%+824+7.5%Added
Tandem Investment Advisors, Inc.11,713$4.92M0.17%+7,848+203.1%Added
Oppenheimer Asset Management Inc.11,478$4.82M0.06%−115−1.0%Reduced
Long Road Investment Counsel, LLC11,307$4.75M1.84%+857+8.2%Added
Blue Zone Wealth Advisors, LLC11,301$4.75M1.32%+1,727+18.0%Added
Crystal Rock Capital Management11,185$4.70M3.21%+2,180+24.2%Added
Algert Global LLC11,063$4.65M0.11%+950+9.4%Added
Public Employees Retirement Association of Colorado10,845$4.55M0.02%−33−0.3%Reduced
Advisor Group Holdings, Inc.10,748$4.51M0.01%−5,055−32.0%Reduced
Pittenger & Anderson Inc10,411$4.37M0.16%−613−5.6%Reduced
PFG Advisors10,375$4.36M0.24%+2,910+39.0%Added
Rakuten Investment Management, Inc.10,455$4.35M0.02%+10,455New
Louisiana State Employees Retirement System10,300$4.33M0.09%−100−1.0%Reduced
LaFleur & Godfrey LLC10,294$4.32M0.59%+465+4.7%Added
WSFS Capital Management, LLC10,201$4.28M0.26%−12−0.1%Reduced
Shelton Capital Management10,192$4.28M0.10%−661−6.1%Reduced
Taikang Asset Management (Hong Kong) Co Ltd10,125$4.25M0.58%00.0%Unchanged
Nutshell Asset Management Ltd10,107$4.24M2.21%−325−3.1%Reduced
Insight Wealth Strategies, LLC9,992$4.20M0.56%−104−1.0%Reduced
Aptus Capital Advisors, LLC9,976$4.19M0.05%+14+0.1%Added
NEOS Investment Management LLC9,971$4.19M0.08%+2,957+42.2%Added
Banque Cantonale Vaudoise9,900$4.16M0.18%+9,900New
CIBC World Markets Corp9,877$4.15M0.03%−4,867−33.0%Reduced
Integrated Wealth Concepts LLC9,783$4.11M0.05%+73+0.8%Added
Perkins Capital Management Inc9,700$4.07M4.30%00.0%Unchanged
State of Alaska, Department of Revenue9,587$4.03M0.05%+245+2.6%Added
Erste Asset Management GmbH9,670$4.02M0.05%+6,380+193.9%Added
Captrust Financial Advisors9,571$4.02M0.01%+3,746+64.3%Added
Strategic Global Advisors, LLC9,527$4.00M0.79%−361−3.7%Reduced
RMB Capital Management, LLC9,523$4.00M0.10%+2,453+34.7%Added
Generali Asset Management SPA SGR9,386$3.94M0.10%−1,695−15.3%Reduced
Tsai Capital Corp9,225$3.87M3.19%+428+4.9%Added
Spears Abacus Advisors LLC9,072$3.81M0.08%+7,901+674.7%Added
Sterling Capital Management LLC9,037$3.80M0.06%−1,390−13.3%Reduced
Lazard Asset Management LLC8,985$3.77M0.01%+1,208+15.5%Added
ING Groep NV8,901$3.74M0.03%−2,437−21.5%Reduced
O'Shaughnessy Asset Management, LLC8,877$3.73M0.03%+2,281+34.6%Added
Impax Asset Management Group plc8,853$3.72M0.02%+304+3.6%Added
Susquehanna International Group, LLP8,801$3.70M0.01%−35,450−80.1%Reduced
Ethic Inc.8,657$3.62M0.07%+2,432+39.1%Added
Headinvest, LLC8,560$3.59M0.70%−212−2.4%Reduced
Anderson Hoagland & Co9,908$3.58M0.42%00.0%Unchanged
Univest Financial Corp8,516$3.58M0.23%+6,193+266.6%Added
Barbara Oil Co.8,495$3.57M1.45%00.0%Unchanged
First Foundation Advisors8,453$3.55M0.14%+887+11.7%Added
Toroso Investments, LLC8,439$3.54M0.03%−3,152−27.2%Reduced
Pacer Advisors, Inc.8,344$3.50M0.01%−2,427−22.5%Reduced
Winton Group Ltd8,314$3.49M0.21%−7,186−46.4%Reduced
Illinois Municipal Retirement Fund8,301$3.49M0.05%00.0%Unchanged
Jensen Investment Management Inc8,190$3.44M0.04%−830−9.2%Reduced
Cura Wealth Advisors, LLC8,116$3.41M1.38%+77+1.0%Added
Fiduciary Trust Co8,101$3.40M0.04%+50+0.6%Added
Hantz Financial Services, Inc.8,008$3.36M0.06%+270+3.5%Added
Cape Cod Five Cents Savings Bank6,566$3.32M0.31%00.0%Unchanged
Clear Harbor Asset Management, LLC7,895$3.32M0.26%00.0%Unchanged
Azzad Asset Management Inc7,858$3.30M0.39%+699+9.8%Added
Regions Financial Corp7,840$3.29M0.02%−901−10.3%Reduced
Summit Asset Management, LLC7,785$3.27M0.57%00.0%Unchanged
UniSuper Management Pty Ltd7,750$3.25M0.02%+251+3.3%Added
Linden Thomas Advisory Services, LLC7,731$3.25M0.42%+295+4.0%Added
Howe & Rusling Inc7,693$3.23M0.27%+762+11.0%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main7,640$3.21M0.00%+3,604+89.3%Added
Nordea Investment Management AB7,696$3.19M0.00%+1,287+20.1%Added
Jane Street Group, LLC7,561$3.18M0.01%−18,980−71.5%Reduced
Omers Administration Corp7,483$3.14M0.03%+603+8.8%Added
Norinchukin Bank, The7,449$3.13M0.06%+1,855+33.2%Added
Moody Lynn & Lieberson, LLC7,242$3.04M0.20%00.0%Unchanged
BI Asset Management Fondsmaeglerselskab A/S7,129$2.99M0.03%−9,379−56.8%Reduced
Oregon Public Employees Retirement Fund7,025$2.95M0.06%00.0%Unchanged
Ilmarinen Mutual Pension Insurance Co7,000$2.94M0.03%00.0%Unchanged
Bright Rock Capital Management, LLC7,000$2.94M0.62%00.0%Unchanged
Natixis7,065$2.93M0.02%+2,181+44.7%Added
Grandeur Peak Global Advisors, LLC6,843$2.87M0.32%+635+10.2%Added
Davenport & Co LLC6,793$2.85M0.02%+1,140+20.2%Added
TownSquare Capital, LLC6,756$2.84M0.03%+1,278+23.3%Added
Groupe la Francaise6,546$2.77M0.06%+734+12.6%Added
Metis Global Partners, LLC6,569$2.76M0.08%+695+11.8%Added
Mizuho Securities USA LLC6,557$2.75M0.06%−1,204−15.5%Reduced
Wealthfront Advisers LLC6,546$2.75M0.01%+428+7.0%Added
Element Capital Management LLC6,526$2.74M0.68%+6,526New
Mirabella Financial Services LLP6,501$2.74M0.11%+3,684+130.8%Added
New Hampshire Trust6,513$2.74M0.63%00.0%Unchanged
RFG Advisory, LLC6,410$2.69M0.07%+6,410New
Profund Advisors LLC6,403$2.69M0.12%−893−12.2%Reduced
Legal Advantage Investments, Inc.6,395$2.69M1.45%+100+1.6%Added
Teachers Retirement System of the State of Kentucky6,338$2.66M0.02%+159+2.6%Added
Old Port Advisors6,285$2.64M0.78%−26−0.4%Reduced
Meeder Asset Management Inc6,163$2.59M0.17%+6,135+21,910.7%Added
Stonegate Investment Group, LLC6,128$2.57M0.07%+6,128New