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IDEXX Laboratories (IDXX) Institutional Ownership

IDEXX Laboratories logo
$511.65 +5.17 (+1.02%)
Closing price 09/18/2026 04:00 PM Eastern
Extended Trading
$515.73 +4.08 (+0.80%)
As of 09/18/2026 07:30 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.
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Institutional Ownership Changes (13F Filings) for IDEXX Laboratories (NASDAQ:IDXX)

Current
Institutional Ownership
Percentage
87.84%
Number of
Institutional Buyers
(last 12 months)
766
Total
Institutional Inflows
(last 12 months)
$13.10B
Number of
Institutional Sellers
(last 12 months)
594
Total
Institutional Outflows
(last 12 months)
$5.60B
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IDXX Institutional Buying and Selling by Quarter

IDEXX Laboratories Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026 Sequoia Financial Advisors LLC4,243$2.23M0.0%-9.7%0.005%
9/9/2026 Tidal Investments LLC19,109$10.06M0.0%-50.8%0.024%
9/9/2026 Archford Capital Strategies LLC1,903$1.00M0.1%-35.7%0.002%
9/9/2026 National Pension Service129,305$68.07M0.0%+5.6%0.164%
9/9/2026 Engineers Gate Manager LP5,186$2.73M0.0%+162.6%0.007%
9/9/2026 SVB Wealth LLC6,764$3.56M0.2%-7.8%0.009%
9/9/2026 Integrated Wealth Concepts LLC11,257$5.93M0.0%-0.7%0.014%
9/9/2026 RFG Advisory LLC1,189$626K0.0%-10.7%0.002%
9/9/2026 NewEdge Advisors LLC14,787$7.79M0.0%-2.9%0.019%
9/9/2026 IFP Advisors Inc585$308K0.0%+9.8%0.001%
9/9/2026 Baird Financial Group Inc.76,035$40.03M0.1%-7.9%0.097%
9/9/2026 Sterling Investment Advisors Ltd.1,200$632K0.1%+9.1%0.002%
9/8/2026 Ramsay Stattman Vela & Price Inc.3,656$1.93M0.3%-8.9%0.005%
9/8/2026 Allworth Financial LP2,531$1.33M0.0%-53.2%0.003%
9/8/2026 Arizona State Retirement System22,772$11.99M0.1%+4.9%0.029%
9/8/2026 Waverly Advisors LLC2,995$1.58M0.0%-5.5%0.004%
9/8/2026 Empirical Finance LLC2,943$1.55M0.1%+3.2%0.004%
9/8/2026 Nykredit A S36,943$19.45M0.1%N/A0.047%
8/27/2026 Corient Private Wealth LP111,488$58.69M0.1%-8.6%0.142%
8/27/2026 Formuepleje A S1,855$977K0.1%N/A0.002%
8/26/2026 Amundi569,725$299.93M0.1%-6.7%0.723%
8/26/2026 HighTower Advisors LLC28,415$14.96M0.0%-0.4%0.036%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al92,218$48.55M0.3%N/A0.117%
8/23/2026 Kraematon Investment Advisors Inc.5,130$2.70M2.0%-1.6%0.007%
8/23/2026 HB Wealth Management LLC4,167$2.19M0.0%-2.6%0.005%
8/23/2026 Saudi Central Bank5,560$2.93M0.0%+88.7%0.007%
8/23/2026 Azimuth Capital Investment Management LLC18,111$9.53M0.3%-40.1%0.023%
8/22/2026 AlphaGrep UK Ltd2,630$1.39M0.4%N/A0.003%
8/22/2026 Maloon Powers Pitre Higgins & Dennehy LLC576$303K0.1%N/A0.001%
8/22/2026 Blalock Williams LLC827$435K0.3%-9.6%0.001%
8/22/2026 Plan A Wealth LLC385$203K0.1%N/A0.000%
8/22/2026 SVRN Asset Management LLC550$290K0.1%N/A0.001%
8/22/2026 Three Seasons Wealth LLC1,516$798K0.1%+8.8%0.002%
8/22/2026 Raiffeisen Bank International AG41,815$22.41M0.3%-1.8%0.053%
8/22/2026 Syon Capital LLC1,668$878K0.0%+22.9%0.002%
8/22/2026 TD Waterhouse Canada Inc.5,721$3.08M0.0%-34.5%0.007%
8/22/2026 Premier Path Wealth Partners LLC472$248K0.0%-14.8%0.001%
8/22/2026 Concurrent Investment Advisors LLC1,199$631K0.0%+32.2%0.002%
8/22/2026 NEOS Investment Management LLC60,354$31.77M0.1%+12.5%0.077%
8/21/2026 iSAM Funds UK Ltd560$295K0.2%N/A0.001%
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8/20/2026 Proficio Capital Partners LLC728$383K0.0%N/A0.001%
8/20/2026 NS Partners Ltd28,950$15.24M0.7%-17.8%0.037%
8/20/2026 Railway Pension Investments Ltd45,360$23.88M0.3%-82.3%0.058%
8/20/2026 Grandeur Peak Global Advisors LLC2,229$1.17M0.3%+21.4%0.003%
8/20/2026 Fundsmith LLP1,019,887$536.91M3.9%-30.4%1.295%
8/20/2026 Oarsman Capital Inc.494$260K0.0%-16.7%0.001%
8/20/2026 Headlands Technologies LLC2,133$1.12M0.1%+46.0%0.003%
8/20/2026 Quantitative Investment Management LLC3,148$1.66M0.2%-27.8%0.004%
8/20/2026 Ancora Advisors LLC835$440K0.0%-3.8%0.001%
8/20/2026 Two Sigma Securities LLC2,636$1.39M0.1%+166.0%0.003%
8/20/2026 Benjamin Edwards Inc.3,972$2.09M0.0%-6.8%0.005%
8/20/2026 Alyeska Investment Group L.P.401,082$211.15M0.5%+97.3%0.509%
8/20/2026 Flputnam Investment Management Co.14,882$7.83M0.1%-2.2%0.019%
8/20/2026 Northwestern Mutual Wealth Management Co.2,432$1.28M0.0%-11.5%0.003%
8/20/2026 Wedbush Securities Inc.3,205$1.69M0.0%+5.5%0.004%
8/20/2026 Greenleaf Trust1,662$875K0.0%+13.7%0.002%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC911,489$479.84M0.1%+4.6%1.157%
8/19/2026 New Mexico Educational Retirement Board3,950$2.08M0.1%+8.2%0.005%
8/19/2026 Royal London Asset Management Ltd.50,714$26.70M0.0%-0.6%0.064%
8/19/2026 Mufg Securities Americas Inc.2,376$1.25M0.1%+7.5%0.003%
8/19/2026 Van ECK Associates Corp24,601$12.95M0.0%-7.9%0.031%
8/19/2026 Northstar Asset Management Inc.11,901$6.27M1.8%-6.2%0.015%
8/19/2026 Nissay Asset Management Corp Japan23,713$12.48M0.1%+4.7%0.030%
8/19/2026 Wellington Management Group LLP726,695$382.56M0.1%-1.2%0.922%
8/18/2026 Pin Oak Investment Advisors Inc.93$49K0.0%N/A0.000%
8/18/2026 Livforsakringsbolaget Skandia Omsesidigt400$210K0.0%N/A0.001%
8/18/2026 Public Employees Retirement System of Ohio28,050$14.77M0.0%N/A0.036%
8/15/2026 American Capital Management Inc.162,110$85.34M3.8%N/A0.206%
8/15/2026 First Bancorp Inc ME950$500K0.2%N/A0.001%
8/14/2026 Ancora Advisors LLC835$440K0.0%N/A0.001%
8/13/2026 Barbara Oil Co.5,245$2.81M0.9%N/A0.007%
8/11/2026 TrinityBridge Ltd363$191K0.0%N/A0.000%
8/10/2026 Flossbach Von Storch SE17,270$9.09M0.0%N/A0.022%
8/10/2026 Great Lakes Advisors LLC3,991$2.10M0.0%N/A0.005%
8/10/2026 Danske Bank A S47,185$24.84M0.0%N/A0.060%
8/7/2026 Commerzbank Aktiengesellschaft FI647$341K0.0%N/A0.001%
8/7/2026 Plato Investment Management Ltd2,836$1.48M0.1%N/A0.004%
8/6/2026 J.Safra Asset Management Corp48$25K0.0%N/A0.000%
8/6/2026 Bank of New York Mellon Corp1,193,343$628.22M0.1%N/A1.513%
8/6/2026 S&CO Inc.500$263K0.0%N/A0.001%
8/3/2026 Beacon Bank & Trust1,082$570K0.1%-6.3%0.001%
7/10/2026 Tema ETFs LLC3,934$2.07M0.1%-1.6%0.005%
7/10/2026 Haven Capital Group Inc.11,492$6.05M5.0%-5.3%0.015%
7/10/2026 Generali Investments Management Co LLC902$475K0.1%+40.9%0.001%
7/10/2026 E. Ohman J or Asset Management AB3,911$2.06M0.0%+11.1%0.005%
7/10/2026 Handelsbanken Fonder AB38,344$20.19M0.1%+5.9%0.049%
7/10/2026 City Holding Co.817$430K0.0%-22.9%0.001%
7/10/2026 Salvus Wealth Management LLC627$330K0.2%-12.7%0.001%
7/9/2026 Revolve Wealth Partners LLC963$507K0.1%+7.6%0.001%
7/9/2026 Franklin Street Advisors Inc. NC26,215$13.80M0.8%-2.0%0.033%
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7/9/2026 Legacy Wealth Asset Management LLC488$257K0.1%+29.8%0.001%
7/9/2026 Birchbrook Inc.4,477$2.36M1.1%-0.8%0.006%
7/9/2026 Everhart Financial Group Inc.1,939$1.02M0.1%-5.4%0.002%
7/9/2026 Sax Wealth Advisors LLC2,354$1.32M0.0%+97.6%0.003%
7/9/2026 Pine Haven Investment Counsel Inc1,388$731K0.5%+4.8%0.002%
7/9/2026 Valeo Financial Advisors LLC383$202K0.0%+6.4%0.000%
7/9/2026 Seilern Investment Management Ltd97,560$51.36M6.5%+20.7%0.124%
7/9/2026 Norway Savings Bank4,919$2.59M1.1%+5.6%0.006%
7/8/2026 Beacon Bank & Trust1,082$570K0.1%-6.3%0.001%
7/8/2026 Beacon Investment Advisory Services Inc.55,153$29.04M1.1%-6.2%0.070%


IDXX Institutional Ownership - Frequently Asked Questions

During the previous two years, 1,387 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), Bamco Inc. NY ($1.22B), and Morgan Stanley ($1.05B).Learn more on IDEXX Laboratories' institutional investors.

87.84% of IDEXX Laboratories' stock is owned by institutional investors. Learn more on IDXX's institutional investor holdings.

Of the 1,195 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), Bank of New York Mellon Corp ($2.68M), J. Stern & Co. LLP ($2.64M), Norges Bank ($1.90M), Northwestern Mutual Wealth Management Co. ($1.44M), Price T Rowe Associates Inc. MD ($1.08M), and GAMMA Investing LLC ($918.95K).

Institutional investors have bought a total of 20,159,687 shares in the last 24 months. This purchase volume represents approximately $13.10B in transactions.

Of the 594 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), Fundsmith LLP ($474.73K), Principal Financial Group Inc. ($434.53K), Vontobel Holding Ltd. ($410.70K), Generation Investment Management LLP ($306.93K), and Fundsmith Investment Services LTD. ($290.76K).

Institutional investors have sold a total of 8,763,316 shares in the last 24 months. This volume of shares sold represents approximately $5.60B in transactions.


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Institutional ownership data for NASDAQ:IDXX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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