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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, Q4 2023

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 2023. 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
1,155
+108 vs. Q3 2023
Shares held
73.0M
−708.8K (−1.0%) vs. Q3 2023
Total value
$40.5B
+$8.25B (+25.6%) vs. Q3 2023
New holders
189
351 more added
Sold out
81
424 more reduced

14 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 holdersQ4 2023: 1,155 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 heldQ4 2023: $40.5B
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, Q4 2023

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2023.

Institutions holding IDXX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Eventide Asset Management, LLC223,973$124.3M2.03%−910.0%Reduced
Ameriprise Financial Inc235,305$130.6M0.04%+10,155+4.5%Added
Capital Research Global Investors244,861$135.9M0.03%+244,861New
Standard Life Aberdeen plc246,130$136.6M0.30%+78,166+46.5%Added
Allianz Asset Management GmbH248,677$138.0M0.26%−46,495−15.8%Reduced
Robeco Institutional Asset Management B.V.250,416$139.0M0.34%−26,486−9.6%Reduced
Deutsche Bank AG253,928$140.9M0.07%+15,224+6.4%Added
Royal Bank of Canada258,654$143.6M0.04%+40,427+18.5%Added
Swiss National Bank259,600$144.1M0.11%−7,500−2.8%Reduced
TD Asset Management Inc260,008$144.3M0.14%+166,751+178.8%Added
Baird Financial Group, Inc.274,642$152.4M0.35%−4,981−1.8%Reduced
Price T Rowe Associates Inc277,426$154.0M0.02%+16,503+6.3%Added
Umb Bank N A279,419$155.1M2.27%−2,655−0.9%Reduced
Eagle Asset Management Inc293,234$162.8M0.87%−58,804−16.7%Reduced
Pictet Asset Management Holding SA296,665$164.7M0.18%−65,235−18.0%Reduced
Credit Suisse AG302,226$167.8M0.16%+17,282+6.1%Added
American Capital Management Inc302,300$167.8M5.74%−4,075−1.3%Reduced
Barclays PLC307,556$170.7M0.09%+59,080+23.8%Added
Millennium Management LLC325,625$180.7M0.17%+300,671+1,204.9%Added
FMR LLC326,286$181.1M0.01%+10,689+3.4%Added
Massachusetts Financial Services Co347,064$192.6M0.06%+1,909+0.6%Added
Williams Jones Wealth Management, LLC.356,684$198.0M2.77%−7,785−2.1%Reduced
Macquarie Group Ltd391,944$217.5M0.25%+47,708+13.9%Added
American Century Companies Inc406,638$225.7M0.16%−328,069−44.7%Reduced
Select Equity Group, L.P.411,083$228.2M0.84%−31,876−7.2%Reduced
Nuveen Asset Management, LLC425,492$236.2M0.08%−9,120−2.1%Reduced
Dimensional Fund Advisors LP451,985$250.9M0.07%+24,852+5.8%Added
Capital Counsel LLC469,900$260.8M12.82%−2,370−0.5%Reduced
Charles Schwab Investment Management Inc476,799$264.6M0.07%+14,264+3.1%Added
Neuberger Berman Group LLC483,988$268.6M0.23%−3,858−0.8%Reduced
UBS Asset Management Americas Inc546,827$303.5M0.12%+42,038+8.3%Added
Winslow Capital Management, LLC576,555$320.0M1.33%−113,318−16.4%Reduced
Goldman Sachs Group Inc614,537$341.1M0.07%+72,301+13.3%Added
Bank of America Corp637,451$353.8M0.04%−158,506−19.9%Reduced
Bank of New York Mellon Corp656,905$364.6M0.07%−4,466−0.7%Reduced
Legal & General Group Plc661,265$367.0M0.11%−10,774−1.6%Reduced
Amundi753,504$416.7M0.19%+141,439+23.1%Added
Principal Financial Group Inc781,368$433.7M0.28%−34,495−4.2%Reduced
Fundsmith Investment Services Ltd.818,619$454.4M6.56%−170,973−17.3%Reduced
Northern Trust Corp862,595$478.8M0.09%−56,596−6.2%Reduced
JPMorgan Chase & Co872,691$484.4M0.05%+71,417+8.9%Added
Norges Bank922,781$512.2M0.09%+26,264+2.9%Added
Capital World Investors1,022,678$567.6M0.10%+11,351+1.1%Added
Morgan Stanley1,094,980$607.8M0.05%+30,466+2.9%Added
Brown Advisory Inc1,157,059$642.2M0.90%−4,065−0.4%Reduced
Blair William & Co1,201,251$666.8M2.27%+1,306+0.1%Added
Invesco Ltd.1,326,593$736.3M0.18%+109,615+9.0%Added
Franklin Resources Inc1,405,824$780.3M0.36%+28,475+2.1%Added
Geode Capital Management, LLC2,104,258$1.17B0.12%+40,119+1.9%Added
Bamco Inc2,300,017$1.28B3.40%−36,313−1.6%Reduced
Fundsmith LLPSuperinvestorFundsmith2,728,917$1.51B6.34%−235,637−7.9%Reduced
Alliancebernstein L.P.2,937,760$1.63B0.63%−388,256−11.7%Reduced
State Street Corp3,776,949$2.10B0.10%+14,879+0.4%Added
Vanguard Group Inc8,377,667$4.65B0.10%+117,207+1.4%Added
BlackRock Inc.9,054,307$5.03B0.13%+420,016+4.9%Added
GQG Partners LLC0$00.00%−931,886−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−254,556−100.0%Sold out
Renaissance Technologies LLC0$00.00%−124,804−100.0%Sold out
Sofinnova Investments, Inc.0$00.00%−77,881−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−63,994−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−11,826−100.0%Sold out
FORA Capital, LLC0$00.00%−9,404−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−8,201−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−8,102−100.0%Sold out
Jag Capital Management, LLC0$00.00%−7,232−100.0%Sold out
Element Capital Management LLC0$00.00%−6,685−100.0%Sold out
Quadrature Capital Ltd0$00.00%−6,314−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−6,176−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−6,164−100.0%Sold out
Synovus Financial Corp0$00.00%−5,698−100.0%Sold out
Montanaro Asset Management Ltd0$00.00%−5,000−100.0%Sold out
Magnetar Financial LLC0$00.00%−4,745−100.0%Sold out
Employees Retirement System of Texas0$00.00%−4,412−100.0%Sold out
Trium Capital LLP0$00.00%−4,111−100.0%Sold out
Meyer Handelman Co0$00.00%−3,994−100.0%Sold out
First Hawaiian Bank0$00.00%−3,919−100.0%Sold out
Caxton Associates LP0$00.00%−3,911−100.0%Sold out
Aigen Investment Management, LP0$00.00%−3,811−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−3,689−100.0%Sold out
Worldquant Millennium Advisors LLC0$00.00%−3,627−100.0%Sold out
Handelsinvest Investeringsforvaltning0$00.00%−3,415−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−3,412−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−2,477−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−2,402−100.0%Sold out
Cornercap Investment Counsel Inc0$00.00%−1,933−100.0%Sold out
Lifestyle Asset Management, Inc.0$00.00%−1,864−100.0%Sold out
Garda Capital Partners LP0$00.00%−1,858−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−1,500−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−1,376−100.0%Sold out
Centiva Capital, LP0$00.00%−1,354−100.0%Sold out
PAX Financial Group, LLC0$00.00%−1,255−100.0%Sold out
Fund Management at Engine No. 1 LLC0$00.00%−1,187−100.0%Sold out
Inceptionr LLC0$00.00%−1,180−100.0%Sold out
Permanens Capital L.P.0$00.00%−1,100−100.0%Sold out
Kapitalo Investimentos Ltda0$00.00%−998−100.0%Sold out
Advanced Portfolio Management, LLC0$00.00%−943−100.0%Sold out
Winton Group Ltd0$00.00%−937−100.0%Sold out
Moody National Bank Trust Division0$00.00%−922−100.0%Sold out
CenterBook Partners LP0$00.00%−921−100.0%Sold out
Keebeck Alpha, LP0$00.00%−877−100.0%Sold out