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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 2025

Institutional positions in IDEXX Laboratories Inc as of Sep 30, 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
1,302
+88 vs. Q2 2025
Shares held
72.2M
−1.78M (−2.4%) vs. Q2 2025
Total value
$46.1B
+$6.43B (+16.2%) vs. Q2 2025
New holders
162
417 more added
Sold out
74
490 more reduced

20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,302 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 2025: $46.1B
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 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2025.

Institutions holding IDXX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
S&T Bank23$14.7K0.00%00.0%Unchanged
Wolff Wiese Magana LLC23$14.7K0.01%00.0%Unchanged
Rational Advisors LLC24$15.3K0.00%−12−33.3%Reduced
Koesten, Hirschmann & Crabtree, INC.25$16.0K0.01%00.0%Unchanged
Valued Wealth Advisors LLC26$16.6K0.01%00.0%Unchanged
NFJ Investment Group, LLC27$17.3K0.00%00.0%Unchanged
Private Wealth Asset Management, LLC27$17.3K0.00%00.0%Unchanged
Clear Street Markets LLC27$17.3K0.01%+27New
True Wealth Design, LLC27$17.4K0.01%+12+80.0%Added
Financial Management Professionals, Inc.28$17.9K0.00%00.0%Unchanged
Investment Research & Advisory Group, Inc.27$18.5K0.01%00.0%Unchanged
Ameliora Wealth Management Ltd.29$18.5K0.01%+29New
Boyd Watterson Asset Management LLC30$19.2K0.01%00.0%Unchanged
Fortitude Family Office, LLC31$19.8K0.01%+1+3.3%Added
Coston, McIsaac & Partners32$20.0K0.00%00.0%Unchanged
Clark Wealth Partners30$20.3K0.01%00.0%Unchanged
AdvisorNet Financial, Inc34$21.7K0.00%+32+1,600.0%Added
Mowery & Schoenfeld Wealth Management, LLC34$21.7K0.04%00.0%Unchanged
Lummis Asset Management, LP35$22.4K0.01%00.0%Unchanged
Kerr Financial Planning Corp35$23.8K0.03%+35New
Arcadia Investment Management Corp39$24.9K0.00%00.0%Unchanged
Catalyst Capital Advisors LLC40$25.6K0.00%−10−20.0%Reduced
Indiana Trust & Investment Management CO42$26.8K0.01%−25−37.3%Reduced
Sunbelt Securities, Inc.42$26.8K0.00%+11+35.5%Added
Geo Capital Gestora de Recursos Ltd44$28.0K0.05%−9−17.0%Reduced
Bell Investment Advisors, Inc44$28.1K0.00%−4−8.3%Reduced
J.Safra Asset Management Corp48$30.7K0.00%+48New
JFS Wealth Advisors, LLC49$31.3K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC50$31.9K0.00%00.0%Unchanged
FSA Wealth Management LLC50$31.9K0.01%00.0%Unchanged
Intelligent Financial Strategies50$31.9K0.02%00.0%Unchanged
Cornerstone National Bank & Trust Co50$31.9K0.01%00.0%Unchanged
Armstrong Advisory Group, Inc53$33.9K0.00%+19+55.9%Added
Salomon & Ludwin, LLC55$34.7K0.00%+55New
Greykasell Wealth Strategies, Inc.55$35.1K0.01%+55New
WealthCollab, LLC56$35.8K0.02%00.0%Unchanged
Caitong International Asset Management Co., Ltd56$35.8K0.02%+56New
Farmers & Merchants Investments Inc60$38.3K0.00%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.60$38.3K0.02%+23+62.2%Added
Principia Wealth Advisory, LLC60$38.3K0.03%+56+1,400.0%Added
Colonial Trust Co61$39.1K0.01%00.0%Unchanged
First United Bank Trust62$39.6K0.01%00.0%Unchanged
DT Investment Partners, LLC62$39.6K0.00%00.0%Unchanged
Private Wealth Management Group, LLC63$40.3K0.01%00.0%Unchanged
Johnson Financial Group, Inc.63$40.3K0.00%+59+1,475.0%Added
Evelyn Partners Investment Management Services Ltd65$41.5K0.01%00.0%Unchanged
MV Capital Management, Inc.66$42.2K0.00%00.0%Unchanged
Webster Bank, N. A.67$42.8K0.00%−20−23.0%Reduced
Eastern Bank69$44.1K0.00%00.0%Unchanged
Itau Unibanco Holding S.A.72$46.0K0.00%−3−4.0%Reduced
Westside Investment Management, Inc.76$47.1K0.01%+38+100.0%Added
Caldwell Trust Co76$48.6K0.00%00.0%Unchanged
Rialto Wealth Management, LLC76$48.6K0.01%+1+1.3%Added
Cornerstone Planning Group LLC79$49.7K0.01%+4+5.3%Added
City State Bank78$49.8K0.01%00.0%Unchanged
Financial Connections Group, Inc.84$53.0K0.02%00.0%Unchanged
UMA Financial Services, Inc.83$53.0K0.01%−5−5.7%Reduced
Annis Gardner Whiting Capital Advisors, LLC84$53.7K0.01%−5−5.6%Reduced
Retirement Wealth Solutions LLC86$54.9K0.04%−29−25.2%Reduced
Financial Network Wealth Advisors LLC88$56.2K0.06%−26−22.8%Reduced
Barrett & Company, Inc.90$57.5K0.02%00.0%Unchanged
WPG Advisers, LLC92$58.8K0.05%−5−5.2%Reduced
Migdal Insurance & Financial Holdings Ltd.93$59.0K0.00%+93New
Pin Oak Investment Advisors Inc94$60.1K0.04%+94New
Horizons Wealth Management100$63.9K0.04%00.0%Unchanged
Crews Bank & Trust100$63.9K0.01%00.0%Unchanged
Manchester Capital Management LLC105$67.1K0.01%−27−20.5%Reduced
JPL Wealth Management, LLC106$67.7K0.02%+106New
State of Wyoming108$69.0K0.01%−274−71.7%Reduced
Mascoma Wealth Management LLC120$76.7K0.02%00.0%Unchanged
Harbour Investments, Inc.120$76.7K0.00%+22+22.4%Added
Hemington Wealth Management122$77.0K0.01%+2+1.7%Added
Root Financial Partners, LLC125$79.9K0.00%+125New
LRI Investments, LLC129$82.4K0.01%00.0%Unchanged
Heritage Wealth Advisors131$83.7K0.00%00.0%Unchanged
Central Trust Co145$92.6K0.00%−28−16.2%Reduced
Leonteq Securities AG149$95.2K0.01%−1−0.7%Reduced
Colonial Trust Advisors150$95.8K0.01%00.0%Unchanged
Avalon Trust Co150$95.8K0.01%+100+200.0%Added
CNB Bank152$97.1K0.04%+152New
South State Corp.156$99.7K0.00%−7−4.3%Reduced
Trust Co of Vermont156$99.7K0.00%+15+10.6%Added
Covestor Ltd163$104.0K0.06%−49−23.1%Reduced
Ronald Blue Trust, Inc.174$111.2K0.00%−3−1.7%Reduced
Cary Street Partner Investment Advisory LLC174$111.2K0.05%+18+11.5%Added
Spire Wealth Management177$113.1K0.00%+2+1.1%Added
Cove Street Capital, LLC180$115.0K0.15%00.0%Unchanged
Rothschild Investment LLC182$116.3K0.01%00.0%Unchanged
Dougherty Wealth Advisers LLC183$116.9K0.08%00.0%Unchanged
Newbridge Financial Services Group, Inc.184$117.6K0.02%+171+1,315.4%Added
Western Pacific Wealth Management, LP189$120.8K0.12%−145−43.4%Reduced
Sentry Investment Management LLC193$122.0K0.08%−46−19.2%Reduced
HHM Wealth Advisors, LLC191$122.0K0.01%00.0%Unchanged
HighMark Wealth Management LLC192$122.7K0.05%00.0%Unchanged
Aster Capital Management (DIFC) Ltd195$124.6K0.06%−3,735−95.0%Reduced
Alerus Financial NA200$127.8K0.01%00.0%Unchanged
Steigerwald, Gordon & Koch Inc.200$127.8K0.01%+200New
Center for Financial Planning, Inc.205$131.0K0.01%−16−7.2%Reduced
Private Trust Co NA209$133.5K0.01%+18+9.4%Added
Bartlett & Co. Wealth Management LLC211$134.8K0.00%+10+5.0%Added