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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
Brinker Capital Investments, LLC4,948$2.08M0.02%+893+22.0%Added
Orion Portfolio Solutions, LLC4,948$2.08M0.02%+893+22.0%Added
Tang Capital Management LLC5,000$2.10M0.12%00.0%Unchanged
Hartford Investment Management Co5,005$2.10M0.07%−53−1.0%Reduced
Taylor Frigon Capital Management LLC5,028$2.11M1.25%−119−2.3%Reduced
Aurora Investment Managers, LLC.5,042$2.12M1.42%+27+0.5%Added
Bayesian Capital Management, LP5,046$2.12M0.35%+5,046New
Atria Wealth Solutions, Inc.5,048$2.12M0.03%+115+2.3%Added
SummitTX Capital, L.P.5,057$2.12M0.09%+5,057New
1832 Asset Management L.P.5,059$2.12M0.00%−83,823−94.3%Reduced
Mercer Global Advisors Inc5,088$2.14M0.00%+421+9.0%Added
Worldquant Millennium Advisors LLC5,099$2.14M0.01%−127,094−96.1%Reduced
GAM Holding AG5,149$2.16M0.17%+307+6.3%Added
Moneta Group Investment Advisors LLC5,163$2.17M0.03%−104−2.0%Reduced
Banque Transatlantique SA5,197$2.18M0.07%−1,294−19.9%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.5,229$2.18M0.02%−275−5.0%Reduced
Adviser Investments LLC5,222$2.19M0.03%−30−0.6%Reduced
Patten Group, Inc.5,299$2.23M0.51%−505−8.7%Reduced
Harvest Fund Management Co., Ltd5,360$2.25M0.11%+541+11.2%Added
Kraematon Investment Advisors, Inc5,402$2.27M2.31%−60−1.1%Reduced
Westpac Banking Corp5,466$2.30M0.17%+4,436+430.7%Added
Kinneret Advisory, LLC5,491$2.31M0.23%−19−0.3%Reduced
Sit Investment Associates Inc5,500$2.31M0.05%+5,500New
Nomura Holdings Inc5,548$2.33M0.01%−787−12.4%Reduced
Kentucky Retirement Systems5,549$2.33M0.07%−107−1.9%Reduced
Avanza Fonder AB5,496$2.34M0.08%−1,006−15.5%Reduced
Apollon Wealth Management, LLC5,587$2.35M0.05%+257+4.8%Added
Childress Capital Advisors, LLC5,671$2.38M0.69%+17+0.3%Added
Commerce Bank5,673$2.38M0.02%−6,715−54.2%Reduced
Cortland Associates Inc5,694$2.39M0.29%−132−2.3%Reduced
CAPROCK Group, Inc.5,762$2.42M0.07%+3,745+185.7%Added
Robinson Value Management, Ltd.5,787$2.43M1.57%00.0%Unchanged
Knollwood Investment Advisory, LLC5,800$2.44M0.27%00.0%Unchanged
Cabot Wealth Management Inc5,874$2.47M0.31%+259+4.6%Added
EFG Asset Management (Americas) Corp.5,893$2.47M0.50%−144−2.4%Reduced
Birchbrook, Inc.5,893$2.47M1.39%+48+0.8%Added
AE Wealth Management LLC5,905$2.48M0.02%−1,130−16.1%Reduced
Evercore Wealth Management, LLC5,944$2.50M0.04%−7−0.1%Reduced
Ninety One SA (PTY) Ltd6,008$2.52M0.47%+1,551+34.8%Added
Delta Global Management LP6,046$2.54M0.18%+6,046New
CWM, LLC6,075$2.55M0.01%+2,256+59.1%Added
Fifth Third Bancorp6,075$2.55M0.01%+3,071+102.2%Added
Intech Investment Management LLC6,079$2.55M0.03%−342−5.3%Reduced
Stonegate Investment Group, LLC6,128$2.57M0.07%+6,128New
Meeder Asset Management Inc6,163$2.59M0.17%+6,135+21,910.7%Added
Old Port Advisors6,285$2.64M0.78%−26−0.4%Reduced
Teachers Retirement System of the State of Kentucky6,338$2.66M0.02%+159+2.6%Added
Legal Advantage Investments, Inc.6,395$2.69M1.45%+100+1.6%Added
Profund Advisors LLC6,403$2.69M0.12%−893−12.2%Reduced
RFG Advisory, LLC6,410$2.69M0.07%+6,410New
New Hampshire Trust6,513$2.74M0.63%00.0%Unchanged
Mirabella Financial Services LLP6,501$2.74M0.11%+3,684+130.8%Added
Element Capital Management LLC6,526$2.74M0.68%+6,526New
Wealthfront Advisers LLC6,546$2.75M0.01%+428+7.0%Added
Mizuho Securities USA LLC6,557$2.75M0.06%−1,204−15.5%Reduced
Metis Global Partners, LLC6,569$2.76M0.08%+695+11.8%Added
Groupe la Francaise6,546$2.77M0.06%+734+12.6%Added
TownSquare Capital, LLC6,756$2.84M0.03%+1,278+23.3%Added
Davenport & Co LLC6,793$2.85M0.02%+1,140+20.2%Added
Grandeur Peak Global Advisors, LLC6,843$2.87M0.32%+635+10.2%Added
Natixis7,065$2.93M0.02%+2,181+44.7%Added
Bright Rock Capital Management, LLC7,000$2.94M0.62%00.0%Unchanged
Ilmarinen Mutual Pension Insurance Co7,000$2.94M0.03%00.0%Unchanged
Oregon Public Employees Retirement Fund7,025$2.95M0.06%00.0%Unchanged
BI Asset Management Fondsmaeglerselskab A/S7,129$2.99M0.03%−9,379−56.8%Reduced
Moody Lynn & Lieberson, LLC7,242$3.04M0.20%00.0%Unchanged
Norinchukin Bank, The7,449$3.13M0.06%+1,855+33.2%Added
Omers Administration Corp7,483$3.14M0.03%+603+8.8%Added
Jane Street Group, LLC7,561$3.18M0.01%−18,980−71.5%Reduced
Nordea Investment Management AB7,696$3.19M0.00%+1,287+20.1%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main7,640$3.21M0.00%+3,604+89.3%Added
Howe & Rusling Inc7,693$3.23M0.27%+762+11.0%Added
Linden Thomas Advisory Services, LLC7,731$3.25M0.42%+295+4.0%Added
UniSuper Management Pty Ltd7,750$3.25M0.02%+251+3.3%Added
Summit Asset Management, LLC7,785$3.27M0.57%00.0%Unchanged
Regions Financial Corp7,840$3.29M0.02%−901−10.3%Reduced
Azzad Asset Management Inc7,858$3.30M0.39%+699+9.8%Added
Clear Harbor Asset Management, LLC7,895$3.32M0.26%00.0%Unchanged
Cape Cod Five Cents Savings Bank6,566$3.32M0.31%00.0%Unchanged
Hantz Financial Services, Inc.8,008$3.36M0.06%+270+3.5%Added
Fiduciary Trust Co8,101$3.40M0.04%+50+0.6%Added
Cura Wealth Advisors, LLC8,116$3.41M1.38%+77+1.0%Added
Jensen Investment Management Inc8,190$3.44M0.04%−830−9.2%Reduced
Illinois Municipal Retirement Fund8,301$3.49M0.05%00.0%Unchanged
Winton Group Ltd8,314$3.49M0.21%−7,186−46.4%Reduced
Pacer Advisors, Inc.8,344$3.50M0.01%−2,427−22.5%Reduced
Toroso Investments, LLC8,439$3.54M0.03%−3,152−27.2%Reduced
First Foundation Advisors8,453$3.55M0.14%+887+11.7%Added
Barbara Oil Co.8,495$3.57M1.45%00.0%Unchanged
Univest Financial Corp8,516$3.58M0.23%+6,193+266.6%Added
Anderson Hoagland & Co9,908$3.58M0.42%00.0%Unchanged
Headinvest, LLC8,560$3.59M0.70%−212−2.4%Reduced
Ethic Inc.8,657$3.62M0.07%+2,432+39.1%Added
Susquehanna International Group, LLP8,801$3.70M0.01%−35,450−80.1%Reduced
Impax Asset Management Group plc8,853$3.72M0.02%+304+3.6%Added
O'Shaughnessy Asset Management, LLC8,877$3.73M0.03%+2,281+34.6%Added
ING Groep NV8,901$3.74M0.03%−2,437−21.5%Reduced
Lazard Asset Management LLC8,985$3.77M0.01%+1,208+15.5%Added
Sterling Capital Management LLC9,037$3.80M0.06%−1,390−13.3%Reduced
Spears Abacus Advisors LLC9,072$3.81M0.08%+7,901+674.7%Added