IDEXX Laboratories (IDXX) Institutional Ownership $546.49 +0.70 (+0.13%) Closing price 04:00 PM EasternExtended Trading$546.60 +0.11 (+0.02%) As of 04:39 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for IDEXX Laboratories (NASDAQ:IDXX)CurrentInstitutional OwnershipPercentage87.84%Number ofInstitutional Buyers(last 12 months)909TotalInstitutional Inflows(last 12 months)$14.37BNumber ofInstitutional Sellers(last 12 months)668TotalInstitutional Outflows(last 12 months)$6.18B Get IDXX Insider Trade Alerts Want to know when executives and insiders are buying or selling IDEXX Laboratories stock? 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Skip Chart & View Institutional Buying and Selling Data IDXX Institutional Buying and Selling by Quarter IDEXX Laboratories Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2026Bank of America Corp DE488,017$274.21M0.0%+0.1%0.619% 5/19/2026Edgestream Partners L.P.16,469$9.25M0.3%+640.2%0.021% 5/19/2026 Janus Henderson Group PLC10,790$6.06M0.0%-13.9%0.014% 5/19/2026Arkadios Wealth Advisors1,220$686K0.0%+16.9%0.002% 5/19/2026Opal Capital LLC5,458$3.07M0.5%N/A0.007% 5/18/2026Amundi610,779$343.19M0.1%-1.3%0.774% 5/18/2026California State Teachers Retirement System122,654$68.92M0.1%-2.2%0.155% 5/18/2026 ROI Financial Advisors LLC970$545K0.3%+3.5%0.001% 5/18/2026 Royal Bank of Canada391,704$220.10M0.0%-1.7%0.497% 5/18/2026 Empowered Funds LLC4,172$2.34M0.0%-65.7%0.005% Get the Latest News and Ratings for IDXX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for IDEXX Laboratories and its competitors with MarketBeat's FREE daily newsletter. 5/16/2026 American Capital Management Inc.166,056$93.31M5.0%-8.6%0.211% 5/16/2026 The Manufacturers Life Insurance Company 42,655$23.97M0.0%-25.3%0.054% 5/16/2026 Glen Eagle Advisors LLC2,056$1.16M0.2%+6,753.3%0.003% 5/16/2026 Quantinno Capital Management LP99,794$56.07M0.1%+81.7%0.127% 5/16/2026 Lazard Asset Management LLC13,539$7.61M0.0%-6.0%0.017% 5/15/2026 Gateway Wealth Partners LLC501$282K0.0%N/A0.001% 5/15/2026 OMERS ADMINISTRATION Corp12,011$6.75M0.0%+88.2%0.015% 5/15/2026 Bradley Foster & Sargent Inc. CT103,654$58.24M0.9%-1.0%0.131% 5/15/2026 Lombard Odier Asset Management Switzerland SA2,537$1.43M0.1%N/A0.003% 5/15/2026 Waverly Advisors LLC3,168$1.78M0.0%+4.8%0.004% 5/15/2026 Wealth Alliance LLC835$469K0.0%+10.0%0.001% 5/15/2026 Epoch Investment Partners Inc.174,602$98.11M0.6%-10.8%0.221% 5/15/2026 Entropy Technologies LP16,820$9.45M0.4%+709.0%0.021% 5/15/2026 Cannell & Spears LLC7,176$4.03M0.1%-20.9%0.009% 5/14/2026 Healthcare of Ontario Pension Plan Trust Fund133,891$75.23M0.1%+37.2%0.170% 5/14/2026 Dai ichi Life Insurance Company Ltd3,645$2.05M0.1%+15.9%0.005% 5/14/2026 Renaissance Technologies LLC48,504$27.25M0.0%N/A0.061% 5/14/2026 Gabelli Funds LLC465$261K0.0%-32.1%0.001% 5/14/2026 Public Employees Retirement System of Ohio29,652$16.66M0.1%+1.2%0.038% 5/14/2026 Compound Planning Inc.1,709$960K0.0%-5.2%0.002% 5/14/2026 Arrowstreet Capital Limited Partnership838,839$471.34M0.3%+52.4%1.063% 5/14/2026 Bank of Nova Scotia11,124$6.25M0.0%-11.1%0.014% 5/14/2026 Gibbs Wealth Management1,500$843K0.1%-22.8%0.002% 5/14/2026 Sei Investments Co.94,486$53.09M0.0%-30.5%0.120% 5/14/2026 Davis R M Inc.91,963$51.67M0.9%-1.6%0.117% 5/14/2026 Lido Advisors LLC3,943$2.22M0.0%-3.2%0.005% 5/13/2026 Cetera Investment Advisers24,073$13.53M0.0%-3.1%0.031% 5/13/2026 Aureus Asset Management LLC713$401K0.0%-5.6%0.001% 5/13/2026 Quantum Capital Management LLC NJ56,208$31.58M4.0%-26.5%0.071% 5/13/2026 Signature Equity Partners LLC241$135K0.1%+412.8%0.000% ALERT: Drop these 5 stocks before the market opens tomorrow! (Ad)The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions.See the 5 stocks to avoid5/13/2026 NewEdge Wealth LLC5,731$3.22M0.0%-13.1%0.007% 5/13/2026 First Citizens Bank & Trust Co.26,221$14.73M0.3%-9.3%0.033% 5/13/2026 Alesco Advisors LLC An ESL Co520$292K0.0%N/A0.001% 5/13/2026 First Trust Advisors LP234,653$131.85M0.1%-0.6%0.297% 5/12/2026 Westpac Banking Corp746$419K0.0%-19.8%0.001% 5/12/2026 ABN Amro Investment Solutions3,790$2.13M0.0%+7.6%0.005% 5/8/2026 PNC Financial Services Group Inc.45,739$25.70M0.0%+5.4%0.058% 5/8/2026 Andra AP fonden29,531$16.59M0.2%-22.9%0.037% 5/8/2026 Glenview Trust Co25,137$14.12M0.2%-27.7%0.032% 5/8/2026 Johnson Financial Group Inc.1,671$939K0.0%+2,994.4%0.002% 5/8/2026 Commerzbank Aktiengesellschaft FI877$493K0.0%-4.5%0.001% 5/7/2026 Florida Financial Advisors LLC545$306K0.1%-17.8%0.001% 5/7/2026 Earned Wealth Advisors LLC416$234K0.0%+12.4%0.001% 5/7/2026 Meeder Asset Management Inc.151$85K0.0%+19.8%0.000% 5/7/2026 Meeder Advisory Services Inc.1,896$1.07M0.0%+1.3%0.002% 5/7/2026 Dimensional Fund Advisors LP573,332$322.15M0.1%+4.3%0.722% 5/7/2026 Parallel Advisors LLC2,664$1.50M0.0%-1.2%0.003% 5/7/2026 KBC Group NV172,679$97.03M0.2%-44.2%0.217% 5/7/2026 True North Advisors LLC1,411$793K0.1%N/A0.002% 5/7/2026 Tandem Investment Advisors Inc.10,376$5.83M0.3%-8.9%0.013% 5/7/2026 SEB Asset Management AB36,527$20.52M0.1%N/A0.046% 5/7/2026 Swiss National Bank234,380$131.70M0.1%+6.9%0.295% 5/7/2026 Mediolanum International Funds Ltd42,865$23.88M0.3%+22.0%0.054% 5/6/2026 Annis Gardner Whiting Capital Advisors LLC119$67K0.0%+21.4%0.000% 5/6/2026 California Public Employees Retirement System156,525$87.95M0.1%-3.7%0.197% 5/6/2026 Gryphon Financial Partners LLC472$265K0.0%+44.3%0.001% 5/6/2026 Assetmark Inc.50,824$28.56M0.1%-3.7%0.064% 5/6/2026 Gallacher Capital Management LLC660$371K0.1%N/A0.001% 5/6/2026 Angeles Wealth Management LLC1,383$777K0.0%+17.3%0.002% 5/6/2026 AXS Investments LLC155$87K0.0%-23.6%0.000% 5/6/2026 Financiere des Professionnels Fonds d investissement inc.1,210$680K0.0%+236.1%0.002% 5/6/2026 Bessemer Group Inc.319,265$179.39M0.3%+2.5%0.402% 5/6/2026 Avalon Trust Co60$34K0.0%-60.0%0.000% 5/6/2026 Allspring Global Investments Holdings LLC43,198$24.39M0.0%-7.2%0.054% 5/6/2026 Aware Super Pty Ltd as trustee of Aware Super60,696$34.10M0.5%N/A0.076% 5/5/2026 Wealthfront Advisers LLC18,602$10.45M0.0%+10.0%0.023% 5/5/2026 D.A. Davidson & CO.2,923$1.64M0.0%+38.7%0.004% 5/5/2026 Marks Group Wealth Management Inc5,286$2.97M0.3%-33.7%0.007% 5/5/2026 Bank of New York Mellon Corp1,504,532$845.38M0.2%-7.4%1.894% 5/5/2026 Illinois Municipal Retirement Fund6,616$3.72M0.0%+1.8%0.008% 5/5/2026 Three Seasons Wealth LLC1,394$783K0.3%-39.0%0.002% 5/5/2026 Robinson Value Management Ltd.5,445$3.06M1.7%-3.9%0.007% 5/5/2026 Geneos Wealth Management Inc.5,928$3.33M0.1%+2,309.8%0.007% 5/5/2026 Sanctuary Advisors LLC14,364$8.07M0.0%+12.8%0.018% 5/5/2026 Checchi Capital Advisers LLC702$394K0.0%+22.7%0.001% 5/4/2026 Retirement Planning Group LLC486$273K0.0%N/A0.001% 5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management692$389K0.0%+12.7%0.001% 5/4/2026 Bryn Mawr Trust Advisors LLC10,268$5.77M0.3%-0.7%0.013% 5/4/2026 HBW Advisory Services LLC1,823$1.02M0.1%+2.9%0.002% 5/4/2026 Principal Financial Group Inc.881,189$495.16M0.3%-9.1%1.109% ALERT: Drop these 5 stocks before the market opens tomorrow! (Ad)The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings research points to the first half of 2026 as a particularly rough stretch for certain holdings. Some of America's most popular stocks could take serious damage as a radical market shift plays out. Analysts at Weiss Ratings have identified five names you may want to remove from your portfolio before this unfolds. If any of these are in your portfolio, now is the time to review your positions.See the 5 stocks to avoid5/4/2026 Chicago Partners Investment Group LLC1,157$669K0.0%+19.0%0.001% 5/4/2026 J. Safra Sarasin Holding AG3,980$2.23M0.0%-1.6%0.005% 5/4/2026 Procyon Advisors LLC3,296$1.85M0.0%+13.5%0.004% 5/2/2026 LGT Fund Management Co Ltd.1,870$1.05M0.0%+112.5%0.002% 5/2/2026 International Assets Investment Management LLC640$361K0.0%-3.6%0.001% 5/2/2026 Trifecta Capital Advisors LLC160$90K0.0%-46.7%0.000% 5/2/2026 Castleview Partners LLC420$236K0.1%-16.8%0.001% 5/2/2026 Arlington Capital Management Inc.479$269K0.2%+4.8%0.001% 5/2/2026 Diversify Wealth Management LLC2,097$1.16M0.0%+87.6%0.003% 5/2/2026 Valmark Advisers Inc.2,188$1.23M0.0%+13.5%0.003% IDXX Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of IDXX shares? During the previous two years, 1,414 institutional investors and hedge funds held shares of IDEXX Laboratories. The most heavily invested institutionals were Vanguard Group Inc. ($6.73B), Elyxium Wealth LLC ($3.67B), State Street Corp ($2.47B), J. Stern & Co. LLP ($1.80B), Geode Capital Management LLC ($1.75B), Fundsmith LLP ($1.67B), and Bamco Inc. NY ($1.22B).Learn more on IDEXX Laboratories' institutional investors. What percentage of IDEXX Laboratories' stock is owned by institutional investors? 87.84% of IDEXX Laboratories' stock is owned by institutional investors. Learn more on IDXX's institutional investor holdings. Which institutional investors have been buying IDEXX Laboratories' stock? Of the 1,220 institutional investors that purchased IDEXX Laboratories' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Elyxium Wealth LLC ($5.42M), J. Stern & Co. LLP ($2.65M), Norges Bank ($1.90M), Bank of New York Mellon Corp ($1.49M), Northwestern Mutual Wealth Management Co. ($1.44M), Price T Rowe Associates Inc. MD ($1.08M), and GAMMA Investing LLC ($919.29K). How much institutional buying is happening at IDEXX Laboratories? Institutional investors have bought a total of 22,509,486 shares in the last 24 months. This purchase volume represents approximately $14.37B in transactions. Which of IDEXX Laboratories' major shareholders have been selling company stock? Of the 668 institutional investors that sold IDEXX Laboratories' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Bank of New York Mellon Corp ($552.15K), Macquarie Group Ltd. ($509.78K), Flossbach Von Storch SE ($497.63K), Vontobel Holding Ltd. ($453.79K), Principal Financial Group Inc. ($434.53K), Generation Investment Management LLP ($306.93K), and Fundsmith Investment Services LTD. ($290.76K). How much institutional selling is happening at IDEXX Laboratories? Institutional investors have sold a total of 9,835,299 shares in the last 24 months. This volume of shares sold represents approximately $6.18B in transactions. Related Companies NVST Major Shareholders ISRG Major Shareholders ABT Major Shareholders SYK Major Shareholders MDT Major Shareholders BSX Major Shareholders EW Major Shareholders BDX Major Shareholders RMD Major Shareholders DXCM Major Shareholders This page (NASDAQ:IDXX) was last updated on 5/19/2026 by MarketBeat.com Staff. 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