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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, Q3 2021

Institutional positions in IDEXX Laboratories Inc as of Sep 30, 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
1,063
+38 vs. Q2 2021
Shares held
71.6M
−1.14M (−1.6%) vs. Q2 2021
Total value
$44.6B
−$1.36B (−3.0%) vs. Q2 2021
New holders
104
339 more added
Sold out
66
402 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 1,063 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 heldQ3 2021: $44.6B
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, Q3 2021

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2021.

Institutions holding IDXX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.8,694,034$5.41B0.15%+419,143+5.1%Added
Vanguard Group Inc7,926,566$4.93B0.12%−1,138,975−12.6%Reduced
Fundsmith LLPSuperinvestorFundsmith4,242,202$2.64B7.29%−2600.0%Reduced
State Street Corp3,649,272$2.27B0.12%+19,735+0.5%Added
Bamco Inc2,593,065$1.61B3.66%−103,261−3.8%Reduced
Geode Capital Management, LLC1,768,118$1.10B0.15%+56,661+3.3%Added
Alliancebernstein L.P.1,342,275$834.8M0.33%+110,305+9.0%Added
Blair William & Co1,293,903$804.7M2.74%−56,062−4.2%Reduced
Franklin Resources Inc1,293,762$804.6M0.30%−12,203−0.9%Reduced
Bank of America Corp1,285,081$799.2M0.09%+41,145+3.3%Added
American Century Companies Inc1,118,798$695.8M0.48%+5,034+0.5%Added
Invesco Ltd.1,064,159$661.8M0.17%+3,511+0.3%Added
Principal Financial Group Inc1,026,378$638.3M0.42%−57,698−5.3%Reduced
Northern Trust Corp1,005,702$625.4M0.11%+34,792+3.6%Added
Brown Advisory Inc995,376$619.0M0.91%+30,902+3.2%Added
Capital World Investors990,842$616.2M0.11%+9,582+1.0%Added
FMR LLC964,878$600.1M0.05%+23,404+2.5%Added
Bank of New York Mellon Corp943,992$587.1M0.11%+109,920+13.2%Added
Legal & General Group Plc761,696$473.7M0.15%+45,441+6.3%Added
Norges Bank760,744$473.1M0.10%−24,071−3.1%Reduced
Neuberger Berman Group LLC760,153$471.4M0.41%−103,036−11.9%Reduced
Price T Rowe Associates Inc718,903$447.1M0.04%−12,888−1.8%Reduced
Nuveen Asset Management, LLC546,884$340.1M0.11%−80,309−12.8%Reduced
Arrowstreet Capital, Limited Partnership474,054$294.8M0.37%+196,377+70.7%Added
Capital Counsel LLC471,712$293.4M14.43%−36,769−7.2%Reduced
UBS Asset Management Americas Inc442,317$275.1M0.11%+8,583+2.0%Added
Charles Schwab Investment Management Inc441,523$274.6M0.09%−6,253−1.4%Reduced
Dimensional Fund Advisors LP437,921$272.4M0.09%−1,392−0.3%Reduced
Williams Jones Wealth Management, LLC.416,955$259.3M3.63%−19,384−4.4%Reduced
Amundi396,691$246.7M0.17%+42,930+12.1%Added
American Capital Management Inc394,004$245.0M6.58%−31,584−7.4%Reduced
Acadian Asset Management LLC384,078$238.8M0.91%+77,446+25.3%Added
Morgan Stanley361,973$225.1M0.03%+24,313+7.2%Added
Parametric Portfolio Associates LLC356,982$222.0M0.13%+6,968+2.0%Added
Credit Suisse AG340,757$211.9M0.17%−11,696−3.3%Reduced
Goldman Sachs Group Inc340,611$211.8M0.05%+9,055+2.7%Added
Swiss National Bank337,236$209.7M0.13%−11,100−3.2%Reduced
Capital International Investors320,586$199.4M0.05%+1,844+0.6%Added
Putnam Investments LLC311,659$193.8M0.30%−102,861−24.8%Reduced
Deutsche Bank AG308,172$191.7M0.09%+30,153+10.8%Added
Ameriprise Financial Inc300,398$186.9M0.06%−263,388−46.7%Reduced
Allianz Asset Management GmbH296,091$184.1M0.15%−18,923−6.0%Reduced
Royal Bank of Canada284,556$177.0M0.05%−43,569−13.3%Reduced
Massachusetts Financial Services Co281,802$175.3M0.05%−36,685−11.5%Reduced
Eventide Asset Management, LLC281,700$175.2M2.32%+41,700+17.4%Added
Robeco Institutional Asset Management B.V.271,008$168.5M0.37%−41,865−13.4%Reduced
CIBC Private Wealth Group, LLC268,195$166.8M0.39%−3,945−1.4%Reduced
Eagle Asset Management Inc267,711$166.5M0.75%−72,819−21.4%Reduced
Sumitomo Mitsui Trust Holdings, Inc.251,515$156.4M0.10%−13,318−5.0%Reduced
JPMorgan Chase & Co249,327$155.1M0.02%−40,286−13.9%Reduced
Echo Street Capital Management LLC235,215$146.3M1.03%−8,591−3.5%Reduced
Pictet Asset Management SA232,127$144.4M0.16%+232,127New
DF Dent & Co Inc227,338$141.4M1.45%−29,042−11.3%Reduced
Federated Hermes, Inc.223,426$138.9M0.26%−55,706−20.0%Reduced
First Republic Investment Management, Inc.217,580$135.3M0.33%+5,991+2.8%Added
Lord, Abbett & Co. LLC212,317$132.0M0.32%−31,462−12.9%Reduced
UBS Group AG205,793$128.0M0.05%+45,772+28.6%Added
California Public Employees Retirement System190,565$118.5M0.09%−1,534−0.8%Reduced
HRT Financial LP190,512$118.5M0.72%+188,752+10,724.5%Added
Wells Fargo & Company189,868$118.1M0.03%−31,316−14.2%Reduced
Baird Financial Group, Inc.180,775$112.4M0.29%−26,125−12.6%Reduced
First Trust Advisors LP180,165$112.0M0.12%+42,648+31.0%Added
Rock Springs Capital Management LP180,000$111.9M2.35%00.0%Unchanged
Bank of Montreal175,364$111.2M0.06%+33,264+23.4%Added
Welch & Forbes LLC175,309$109.0M1.81%−1,943−1.1%Reduced
Stephens Investment Management Group LLC161,260$100.3M1.36%−15,054−8.5%Reduced
Lazard Asset Management LLC161,236$100.3M0.11%+45,865+39.8%Added
Barclays PLC161,209$100.3M0.07%+22,128+15.9%Added
Rhumbline Advisers157,671$98.1M0.13%+4,801+3.1%Added
Rathbone Brothers plc155,655$96.8M1.04%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP154,007$95.8M0.95%−193−0.1%Reduced
Axiom Investors LLC150,065$93.3M1.54%−62,294−29.3%Reduced
Manning & Napier Group, LLC148,786$92.5M0.79%−8,311−5.3%Reduced
California State Teachers Retirement System148,429$92.3M0.12%−3,611−2.4%Reduced
Frontier Capital Management Co LLC147,671$91.8M0.72%−11,815−7.4%Reduced
Schroder Investment Management Group146,904$91.4M0.15%−27,949−16.0%Reduced
Riverbridge Partners LLC142,862$88.8M0.89%+703+0.5%Added
Victory Capital Management Inc142,553$88.7M0.09%−431−0.3%Reduced
Envestnet Asset Management Inc136,844$85.1M0.05%−10,868−7.4%Reduced
Bank Julius Baer & Co. Ltd, Zurich136,684$85.0M0.53%+13,710+11.1%Added
AXA S.A.130,582$81.2M0.23%+70,619+117.8%Added
National Pension Service128,862$80.1M0.15%+816+0.6%Added
William Blair Investment Management, LLC121,787$75.7M0.21%−1,395−1.1%Reduced
Bellevue Group AG118,120$73.5M0.75%00.0%Unchanged
KBC Group NV117,757$73.2M0.27%−5,849−4.7%Reduced
Caisse de Depot Et Placement du Quebec117,066$72.8M0.16%+54,303+86.5%Added
Van Eck Associates Corp116,738$72.6M0.18%−32,019−21.5%Reduced
Los Angeles Capital Management LLC114,151$71.0M0.32%−35,069−23.5%Reduced
Skandinaviska Enskilda Banken AB (publ)113,072$70.3M0.39%−3,499−3.0%Reduced
New York State Common Retirement Fund111,738$69.5M0.07%+12,208+12.3%Added
New York State Teachers Retirement System110,924$69.0M0.15%−1,372−1.2%Reduced
ProShare Advisors LLC107,151$66.6M0.19%+9,247+9.4%Added
State Board of Administration of Florida Retirement System107,098$66.6M0.13%−5,047−4.5%Reduced
Manufacturers Life Insurance Company, The106,745$66.4M0.05%−8,558−7.4%Reduced
Select Equity Group, L.P.106,518$66.2M0.22%−13,704−11.4%Reduced
Prudential Financial Inc100,694$65.5M0.09%−49,890−33.1%Reduced
Eaton Vance Management107,641$65.4M0.09%+5,437+5.3%Added
HSBC Holdings PLC103,638$64.8M0.07%−4,990−4.6%Reduced
Nomura Asset Management Co Ltd101,567$63.2M0.36%+3,143+3.2%Added
Railway Pension Investments Ltd98,263$61.1M0.50%−100−0.1%Reduced