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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 2021

Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2021. 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
1,015
No complete 13F data for Q4 2020
Shares held
72.7M
No complete 13F data for Q4 2020
Total value
$35.6B
No complete 13F data for Q4 2020

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 2021: 1,015 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 2021: $35.6B
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 2021

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding IDXX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc9,135,979$4.47B0.12%––
BlackRock Inc.7,837,526$3.83B0.11%––
Fundsmith LLPSuperinvestorFundsmith4,220,612$2.07B6.57%––
State Street Corp3,495,215$1.71B0.10%––
Bamco Inc2,910,573$1.42B3.51%––
Geode Capital Management, LLC1,626,511$794.2M0.12%––
Blair William & Co1,390,196$680.2M2.57%––
Alliancebernstein L.P.1,345,091$658.2M0.29%––
Price T Rowe Associates Inc1,274,533$623.6M0.06%––
Bank of America Corp1,266,781$619.8M0.07%––
Franklin Resources Inc1,220,880$597.4M0.24%––
Principal Financial Group Inc1,117,224$546.7M0.38%––
American Century Companies Inc1,109,125$542.7M0.40%––
Invesco Ltd.1,069,682$523.4M0.14%––
Northern Trust Corp987,428$483.2M0.09%––
Capital World Investors974,000$476.5M0.09%––
FMR LLC912,732$446.6M0.04%––
Brown Advisory Inc906,644$443.6M0.76%––
Neuberger Berman Group LLC768,903$375.5M0.36%––
Bank of New York Mellon Corp737,716$361.0M0.07%––
Norges Bank718,310$351.5M0.08%––
Nuveen Asset Management, LLC702,367$343.7M0.11%––
Legal & General Group Plc679,208$332.3M0.12%––
Ameriprise Financial Inc584,803$286.1M0.10%––
Capital Counsel LLC516,465$252.7M14.08%––
Williams Jones Wealth Management, LLC.449,355$219.9M3.44%––
Dimensional Fund Advisors LP439,508$215.0M0.07%––
American Capital Management Inc427,374$209.1M6.32%––
Charles Schwab Investment Management Inc425,268$208.1M0.08%––
UBS Asset Management Americas Inc424,826$207.9M0.09%––
Putnam Investments LLC409,482$200.4M0.33%––
Royal Bank of Canada368,745$180.4M0.06%––
JPMorgan Chase & Co366,500$179.3M0.03%––
Credit Suisse AG363,863$178.0M0.13%––
Robeco Institutional Asset Management B.V.351,641$172.1M0.42%––
Amundi Asset Management US, Inc.341,404$167.1M0.13%––
Eagle Asset Management Inc341,064$165.9M0.73%––
Goldman Sachs Group Inc338,697$165.7M0.05%––
Parametric Portfolio Associates LLC336,580$164.7M0.09%––
Swiss National Bank328,025$160.5M0.11%––
Massachusetts Financial Services Co302,872$148.2M0.05%––
Federated Hermes, Inc.296,226$144.9M0.28%––
Morgan Stanley291,250$142.5M0.02%––
Sumitomo Mitsui Trust Holdings, Inc.275,342$134.7M0.08%––
CIBC Private Wealth Group, LLC274,853$134.5M0.34%––
DF Dent & Co Inc259,221$126.8M1.47%––
Marshall Wace North America L.P.255,949$125.2M0.52%––
Allianz Asset Management GmbH252,304$123.5M0.13%––
Lord, Abbett & Co. LLC243,612$119.2M0.30%––
Eventide Asset Management, LLC240,000$117.4M1.74%––
Wells Fargo & Company238,794$116.8M0.03%––
Deutsche Bank AG236,955$115.9M0.06%––
Echo Street Capital Management LLC233,914$114.5M1.02%––
Congress Asset Management Co223,399$109.3M0.99%––
Pictet Asset Management Ltd223,168$109.2M0.13%––
Westfield Capital Management Co LP210,254$102.9M0.64%––
Baird Financial Group, Inc.208,354$102.0M0.29%––
California Public Employees Retirement System196,784$96.3M0.07%––
Capital International Investors193,912$94.9M0.02%––
First Republic Investment Management, Inc.190,887$93.4M0.30%––
Stephens Investment Management Group LLC187,216$91.6M1.33%––
Frontier Capital Management Co LLC180,004$88.1M0.67%––
Rock Springs Capital Management LP180,000$88.1M1.92%––
Welch & Forbes LLC177,758$87.0M1.61%––
Prudential Financial Inc175,082$85.7M0.13%––
Los Angeles Capital Management LLC172,132$84.2M0.38%––
Axiom Investors LLC170,432$83.4M1.51%––
First Trust Advisors LP167,371$81.9M0.10%––
Schroder Investment Management Group162,778$79.6M0.10%––
Manning & Napier Group, LLC161,505$79.0M0.67%––
California State Teachers Retirement System161,478$79.0M0.10%––
UBS Group AG161,177$78.9M0.04%––
Rhumbline Advisers157,169$76.9M0.10%––
Envestnet Asset Management Inc156,801$76.7M0.05%––
Rathbone Brothers plc155,655$76.2M0.98%––
Van Eck Associates Corp151,278$74.0M0.20%––
Natixis150,181$73.5M0.24%––
Loring Wolcott & Coolidge Fiduciary Advisors LLP149,706$73.3M0.81%––
Riverbridge Partners LLC138,095$67.6M0.77%––
Barclays PLC135,475$66.3M0.06%––
Select Equity Group, L.P.135,310$66.2M0.24%––
KBC Group NV135,179$66.1M0.27%––
Victory Capital Management Inc132,710$64.9M0.07%––
Wellington Management Group LLP129,008$63.1M0.01%––
National Pension Service126,416$61.9M0.13%––
Bank of Montreal120,618$60.3M0.04%––
Durable Capital Partners LP122,950$60.2M0.51%––
Nomura Asset Management Co Ltd119,536$58.5M0.37%––
Bank Julius Baer & Co. Ltd, Zurich117,875$57.7M0.43%––
State Board of Administration of Florida Retirement System117,115$57.3M0.11%––
New York State Teachers Retirement System116,805$57.2M0.12%––
Arrowstreet Capital, Limited Partnership116,755$57.1M0.08%––
Manufacturers Life Insurance Company, The116,597$57.1M0.05%––
Howland Capital Management LLC110,849$54.2M3.02%––
Lazard Asset Management LLC110,624$54.1M0.07%––
Skandinaviska Enskilda Banken AB (publ)106,714$52.2M0.34%––
Royal London Asset Management Ltd104,818$51.3M0.24%––
Canada Pension Plan Investment Board103,009$50.4M0.07%––
ProShare Advisors LLC102,157$50.0M0.16%––
Beacon Investment Advisory Services, Inc.102,141$50.0M2.18%––