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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 2025

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 2025. 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
1,385
+111 vs. Q3 2025
Shares held
82.4M
+10.5M (+14.6%) vs. Q3 2025
Total value
$50.3B
+$4.35B (+9.5%) vs. Q3 2025
New holders
191
482 more added
Sold out
80
481 more reduced

28 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 2025: 1,385 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 2025: $50.3B
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 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2025.

Institutions holding IDXX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Solstein Capital, LLC16$10.8K0.00%00.0%Unchanged
Medallion Wealth Advisors, LLC16$10.8K0.00%00.0%Unchanged
Valley National Advisers Inc17$11.0K0.00%00.0%Unchanged
IFC & Insurance Marketing, Inc.16$11.0K0.01%+16New
Howard Hughes Medical Institute17$11.5K0.01%00.0%Unchanged
IAG Wealth Partners, LLC17$11.5K0.00%00.0%Unchanged
IMG Wealth Management, Inc.17$11.5K0.01%+1+6.3%Added
SJS Investment Consulting Inc.17$11.5K0.00%−2−10.5%Reduced
Arcadia Investment Management Corp18$12.2K0.00%−21−53.8%Reduced
Sachetta, LLC18$12.2K0.01%00.0%Unchanged
Truvestments Capital LLC18$12.2K0.00%00.0%Unchanged
Bare Financial Services, Inc18$12.2K0.00%00.0%Unchanged
Golden State Wealth Management, LLC19$12.9K0.00%−3−13.6%Reduced
United Community Bank19$12.9K0.00%−2−9.5%Reduced
Barnes Dennig Private Wealth Management LLC19$12.9K0.01%+19New
Field & Main Bank20$13.5K0.00%00.0%Unchanged
Rakuten Securities, Inc.20$13.5K0.00%+12+150.0%Added
Swiss Re Ltd20$13.5K0.00%+20New
Goodman Advisory Group, LLC20$13.5K0.00%+20New
Red Tortoise LLC21$14.2K0.01%00.0%Unchanged
Albion Financial Group21$14.2K0.00%00.0%Unchanged
Hurley Capital, LLC22$14.9K0.01%−1−4.3%Reduced
Marquette Asset Management, LLC22$14.9K0.00%+11+100.0%Added
Laurel Wealth Advisors LLC22$14.9K0.00%+22New
First Horizon Corp23$15.6K0.00%00.0%Unchanged
Wolff Wiese Magana LLC23$15.6K0.01%00.0%Unchanged
Meramec Financial Planners, LLC26$16.8K0.01%+26New
Thurston, Springer, Miller, Herd & Titak, Inc.25$16.9K0.01%+25New
NFJ Investment Group, LLC27$18.3K0.00%00.0%Unchanged
Private Wealth Asset Management, LLC27$18.3K0.00%00.0%Unchanged
S&T Bank27$18.3K0.01%+4+17.4%Added
True Wealth Design, LLC27$18.3K0.01%00.0%Unchanged
Valued Wealth Advisors LLC27$18.3K0.01%+1+3.8%Added
Financial Management Professionals, Inc.28$18.9K0.00%00.0%Unchanged
Rational Advisors LLC28$18.9K0.00%+4+16.7%Added
Investment Research & Advisory Group, Inc.27$19.6K0.01%00.0%Unchanged
Ameliora Wealth Management Ltd.29$19.6K0.01%00.0%Unchanged
Catalyst Capital Advisors LLC30$20.3K0.00%−10−25.0%Reduced
Clark Wealth Partners30$20.3K0.01%00.0%Unchanged
Fortitude Family Office, LLC30$20.3K0.00%−1−3.2%Reduced
Boyd Watterson Asset Management LLC30$20.3K0.01%00.0%Unchanged
Glen Eagle Advisors, LLC30$20.3K0.00%+30New
Coston, McIsaac & Partners33$22.0K0.01%+1+3.1%Added
Kerr Financial Planning Corp35$22.6K0.03%00.0%Unchanged
AdvisorNet Financial, Inc34$23.0K0.00%00.0%Unchanged
Lummis Asset Management, LP35$23.7K0.01%00.0%Unchanged
SHP Wealth Management39$26.4K0.00%+39New
Virtus ETF Advisers LLC41$27.7K0.01%−200−83.0%Reduced
Indiana Trust & Investment Management CO42$28.4K0.01%00.0%Unchanged
Sunbelt Securities, Inc.42$28.4K0.00%00.0%Unchanged
Park Place Capital Corp43$29.1K0.01%+43New
Battery Global Advisors, LLC119$30.6K0.01%+119New
Signature Equity Partners, LLC47$31.8K0.02%+47New
J.Safra Asset Management Corp48$32.5K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC50$33.8K0.00%00.0%Unchanged
Intelligent Financial Strategies50$33.8K0.02%00.0%Unchanged
Cornerstone National Bank & Trust Co50$33.8K0.01%00.0%Unchanged
Salomon & Ludwin, LLC51$34.8K0.00%−4−7.3%Reduced
Mowery & Schoenfeld Wealth Management, LLC54$36.5K0.05%+20+58.8%Added
Johnson Financial Group, Inc.54$36.5K0.00%−9−14.3%Reduced
Wormser Freres Gestion54$36.5K0.02%+47+671.4%Added
Greykasell Wealth Strategies, Inc.55$37.2K0.01%00.0%Unchanged
WealthCollab, LLC56$37.9K0.02%00.0%Unchanged
Bell Investment Advisors, Inc56$37.9K0.01%+12+27.3%Added
Colonial Trust Co58$39.3K0.01%−3−4.9%Reduced
Farmers & Merchants Investments Inc61$41.3K0.00%+1+1.7%Added
JFS Wealth Advisors, LLC61$41.3K0.00%+12+24.5%Added
Private Wealth Management Group, LLC62$41.9K0.01%−1−1.6%Reduced
DT Investment Partners, LLC62$41.9K0.00%00.0%Unchanged
First United Bank Trust62$41.9K0.01%00.0%Unchanged
Financial Network Wealth Advisors LLC63$42.6K0.04%−25−28.4%Reduced
Lodestone Wealth Management LLC63$42.6K0.02%+63New
Evelyn Partners Investment Management Services Ltd65$44.0K0.01%00.0%Unchanged
UMA Financial Services, Inc.67$45.3K0.01%−16−19.3%Reduced
Webster Bank, N. A.67$45.3K0.00%00.0%Unchanged
MV Capital Management, Inc.68$46.0K0.00%+2+3.0%Added
Lloyd Advisory Services, LLC.71$48.0K0.02%+71New
CoreCap Advisors, LLC72$48.7K0.00%−584−89.0%Reduced
Westside Investment Management, Inc.76$50.9K0.01%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.76$51.0K0.00%−17−18.3%Reduced
Caldwell Trust Co76$51.4K0.00%00.0%Unchanged
Rialto Wealth Management, LLC77$52.1K0.01%+1+1.3%Added
City State Bank78$52.8K0.01%00.0%Unchanged
Reflection Asset Management78$52.8K0.04%+78New
Kemnay Advisory Services Inc.80$54.1K0.01%+80New
Financial Connections Group, Inc.84$56.0K0.02%00.0%Unchanged
Retirement Wealth Solutions LLC85$57.5K0.04%−1−1.2%Reduced
Quarry LP86$58.2K0.01%+86New
Pin Oak Investment Advisors Inc92$59.0K0.04%−2−2.1%Reduced
Barrett & Company, Inc.90$60.9K0.02%00.0%Unchanged
Princeton Global Asset Management LLC93$62.9K0.01%−130−58.3%Reduced
Aster Capital Management (DIFC) Ltd94$63.6K0.03%−101−51.8%Reduced
WPG Advisers, LLC95$64.3K0.05%+3+3.3%Added
Annis Gardner Whiting Capital Advisors, LLC98$66.3K0.01%+14+16.7%Added
Covestor Ltd98$67.0K0.04%−65−39.9%Reduced
Horizons Wealth Management100$67.7K0.04%00.0%Unchanged
Crews Bank & Trust100$67.7K0.01%00.0%Unchanged
Greenline Wealth Management LLC100$67.7K0.07%+100New
Central Trust Co105$71.3K0.00%−40−27.6%Reduced
Cornerstone Planning Group LLC106$72.9K0.01%+27+34.2%Added