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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, Q1 2026

Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2026. 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
1,318
−46 vs. Q4 2025
Shares held
73.3M
+1.79M (+2.5%) vs. Q4 2025
Total value
$41.2B
−$1.72B (−4.0%) vs. Q4 2025
New holders
125
435 more added
Sold out
171
517 more reduced

21 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,318 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 heldQ1 2026: $41.2B
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, Q1 2026

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2025.

Institutions holding IDXX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Valley National Advisers Inc17$9.00K0.00%00.0%Unchanged
IAG Wealth Partners, LLC17$9.55K0.00%00.0%Unchanged
ZRC Wealth Management, LLC17$9.55K0.00%+6+54.5%Added
Joseph Group Capital Management18$10.1K0.00%+18New
Clark Wealth Partners18$10.1K0.01%−12−40.0%Reduced
Wolff Wiese Magana LLC18$10.1K0.01%−5−21.7%Reduced
Arcadia Investment Management Corp18$10.1K0.00%00.0%Unchanged
Golden State Wealth Management, LLC19$10.7K0.00%00.0%Unchanged
Bare Financial Services, Inc19$10.7K0.00%+1+5.6%Added
Whipplewood Advisors, LLC19$10.7K0.01%+19New
Swiss Re Ltd20$11.2K0.07%00.0%Unchanged
Field & Main Bank20$11.2K0.00%00.0%Unchanged
Rakuten Securities, Inc.20$11.2K0.00%00.0%Unchanged
Triumph Capital Management20$11.2K0.00%+10+100.0%Added
S&T Bank21$11.8K0.00%−6−22.2%Reduced
Red Tortoise LLC21$11.8K0.00%00.0%Unchanged
TD Capital Management LLC21$11.8K0.00%+5+31.3%Added
Highline Wealth Partners LLC21$11.8K0.00%+16+320.0%Added
Avion Wealth23$12.0K0.00%+7+43.8%Added
Silver Grove Financial Group, Inc.22$12.4K0.01%+22New
Sound Income Strategies, LLC23$13.0K0.00%+17+283.3%Added
Salomon & Ludwin, LLC23$13.1K0.00%−28−54.9%Reduced
Wilkerson Advisory Group LLC24$13.5K0.00%+11+84.6%Added
Asset Dedication, LLC24$13.5K0.00%+10+71.4%Added
Meramec Financial Planners, LLC24$14.0K0.01%−2−7.7%Reduced
First Command Advisory Services, Inc.25$14.0K0.00%+19+316.7%Added
Murphy & Mullick Capital Management Corp25$14.0K0.01%+25New
First Horizon Corp26$14.6K0.00%+3+13.0%Added
Albion Financial Group26$14.6K0.00%+5+23.8%Added
Private Wealth Asset Management, LLC27$15.2K0.00%00.0%Unchanged
Rational Advisors LLC28$15.7K0.00%00.0%Unchanged
Financial Management Professionals, Inc.28$15.7K0.00%00.0%Unchanged
Valued Wealth Advisors LLC28$15.7K0.01%+1+3.7%Added
Dogwood Wealth Management LLC29$16.3K0.01%+14+93.3%Added
Boyd Watterson Asset Management LLC30$16.9K0.01%00.0%Unchanged
Investment Research & Advisory Group, Inc.27$17.4K0.01%00.0%Unchanged
Brown, Lisle/Cummings, Inc.31$17.4K0.00%+29+1,450.0%Added
USA Financial Portformulas Corp32$18.0K0.00%−2,045−98.5%Reduced
Coston, McIsaac & Partners34$19.0K0.00%+1+3.0%Added
Torren Management, LLC34$19.1K0.01%−91−72.8%Reduced
Mowery & Schoenfeld Wealth Management, LLC34$19.1K0.03%−20−37.0%Reduced
Lummis Asset Management, LP35$19.7K0.01%00.0%Unchanged
AdvisorNet Financial, Inc35$19.7K0.00%+1+2.9%Added
Fortitude Family Office, LLC35$19.7K0.00%+5+16.7%Added
SMA Capital LLC35$19.7K0.01%+35New
Kerr Financial Planning Corp35$19.9K0.02%00.0%Unchanged
Retirement Wealth Solutions LLC36$20.2K0.01%−49−57.6%Reduced
Hoey Investments, Inc36$20.2K0.00%+36New
Sunbelt Securities, Inc.37$20.8K0.00%−5−11.9%Reduced
Hilltop National Bank37$20.8K0.00%+37New
Catalyst Capital Advisors LLC40$22.5K0.00%+10+33.3%Added
Virtus ETF Advisers LLC41$23.0K0.01%00.0%Unchanged
Arlington Trust Co LLC41$23.0K0.00%+28+215.4%Added
Indiana Trust & Investment Management CO42$23.6K0.01%00.0%Unchanged
True Wealth Design, LLC42$23.6K0.01%+15+55.6%Added
Colonial Trust Co46$25.8K0.00%−12−20.7%Reduced
Twin Peaks Wealth Advisors, LLC47$26.4K0.01%+47New
J.Safra Asset Management Corp48$27.0K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.50$27.1K0.00%−178−78.1%Reduced
Intelligent Financial Strategies50$28.1K0.01%00.0%Unchanged
Southern Michigan Bank & Trust50$28.1K0.01%+50New
Cornerstone National Bank & Trust Co50$28.2K0.01%00.0%Unchanged
Community Financial Services Group, LLC53$29.9K0.01%+53New
WealthCollab, LLC56$31.5K0.01%00.0%Unchanged
Aster Capital Management (DIFC) Ltd76$31.9K0.01%−18−19.1%Reduced
Farmers & Merchants Investments Inc57$32.0K0.00%−4−6.6%Reduced
SHP Wealth Management57$32.0K0.00%+18+46.2%Added
Bell Investment Advisors, Inc59$33.2K0.01%+3+5.4%Added
TIAA Wealth Investment Management LLC59$33.2K0.00%+59New
RWM Asset Management, LLC60$33.7K0.00%+60New
Avalon Trust Co60$33.7K0.00%−90−60.0%Reduced
JFS Wealth Advisors, LLC60$33.7K0.00%−1−1.6%Reduced
First United Bank Trust62$34.8K0.01%00.0%Unchanged
DT Investment Partners, LLC62$34.8K0.00%00.0%Unchanged
Private Wealth Management Group, LLC62$34.8K0.01%00.0%Unchanged
Lodestone Wealth Management LLC63$35.4K0.01%00.0%Unchanged
UMA Financial Services, Inc.63$35.4K0.00%−4−6.0%Reduced
Park Place Capital Corp64$36.0K0.01%+21+48.8%Added
Evelyn Partners Investment Management Services Ltd65$36.5K0.00%00.0%Unchanged
MV Capital Management, Inc.67$37.6K0.00%−1−1.5%Reduced
Webster Bank, N. A.67$37.6K0.00%00.0%Unchanged
Strategic Advocates LLC69$38.8K0.17%+61+762.5%Added
Kemnay Advisory Services Inc.75$42.1K0.01%−5−6.3%Reduced
CoreCap Advisors, LLC75$42.1K0.00%+3+4.2%Added
Caldwell Trust Co76$42.7K0.00%00.0%Unchanged
Greykasell Wealth Strategies, Inc.76$42.7K0.02%+21+38.2%Added
Westside Investment Management, Inc.76$43.3K0.01%00.0%Unchanged
City State Bank78$43.8K0.01%00.0%Unchanged
Rialto Wealth Management, LLC78$43.8K0.01%+1+1.3%Added
Covestor Ltd78$44.0K0.03%−20−20.4%Reduced
Financial Connections Group, Inc.84$47.0K0.02%00.0%Unchanged
Princeton Global Asset Management LLC87$48.9K0.01%−6−6.5%Reduced
JPL Wealth Management, LLC88$49.4K0.01%+88New
Barrett & Company, Inc.90$50.6K0.02%00.0%Unchanged
Pin Oak Investment Advisors Inc92$52.0K0.04%00.0%Unchanged
Central Trust Co95$53.4K0.00%−10−9.5%Reduced
BNP Paribas96$53.9K0.00%−169−63.8%Reduced
WPG Advisers, LLC96$53.9K0.04%+1+1.1%Added
Cornerstone Planning Group LLC98$55.2K0.01%−8−7.5%Reduced
Horizons Wealth Management100$56.2K0.04%00.0%Unchanged