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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
Crews Bank & Trust100$56.2K0.01%00.0%Unchanged
Contravisory Investment Management, Inc.101$56.8K0.01%−8−7.3%Reduced
HHM Wealth Advisors, LLC110$61.8K0.01%00.0%Unchanged
Capula Management Ltd111$62.4K0.00%+111New
Manchester Capital Management LLC115$64.6K0.01%+2+1.8%Added
Owl Creek Wealth Partners LLC116$65.2K0.02%+116New
Timothy G. Youngquist 2020 Irrevocable Trust118$66.3K0.03%+118New
Annis Gardner Whiting Capital Advisors, LLC119$66.9K0.01%+21+21.4%Added
Mascoma Wealth Management LLC120$67.4K0.01%00.0%Unchanged
Birchwood Financial Partners, Inc.121$68.0K0.07%00.0%Unchanged
Armstrong Advisory Group, Inc123$69.1K0.00%00.0%Unchanged
Root Financial Partners, LLC124$69.7K0.00%−12−8.8%Reduced
Wall Street Financial Group, Inc.127$71.4K0.04%+127New
Harbour Investments, Inc.135$76.0K0.00%−1−0.7%Reduced
LRI Investments, LLC140$78.7K0.01%+9+6.9%Added
Evermay Wealth Management LLC141$79.2K0.01%00.0%Unchanged
Colonial Trust Advisors150$84.3K0.01%00.0%Unchanged
Meeder Asset Management Inc151$84.8K0.00%+25+19.8%Added
AXS Investments LLC155$87.1K0.04%−48−23.6%Reduced
Ronald Blue Trust, Inc.156$87.7K0.00%+1+0.6%Added
Private Trust Co NA160$89.9K0.01%−37−18.8%Reduced
Trifecta Capital Advisors, LLC160$89.9K0.01%−140−46.7%Reduced
TD Private Client Wealth LLC164$92.2K0.00%−126−43.4%Reduced
Wealth Enhancement Trust Services, Inc.165$92.7K0.01%+5+3.1%Added
Principia Wealth Advisory, LLC168$94.4K0.05%+27+19.1%Added
Walleye Capital LLC170$95.5K0.00%−13,261−98.7%Reduced
Spire Wealth Management174$97.8K0.00%−1,943−91.8%Reduced
St Germain D J Co Inc177$99.5K0.00%−2−1.1%Reduced
Westfuller Advisors, LLC179$100.6K0.04%−71−28.4%Reduced
Sava Infond d.o.o.180$101.1K0.01%+180New
Dougherty Wealth Advisers LLC183$102.8K0.07%00.0%Unchanged
Munich Reinsurance Co Stock Corp in Munich184$103.4K0.00%+184New
Bayforest Capital Ltd187$105.1K0.12%−12−6.0%Reduced
Rothschild Investment LLC187$105.1K0.01%−3−1.6%Reduced
Zions Bancorporation, National Association197$110.7K0.01%−204−50.9%Reduced
HighMark Wealth Management LLC199$111.8K0.05%00.0%Unchanged
Alerus Financial NA200$112.4K0.01%00.0%Unchanged
Steigerwald, Gordon & Koch Inc.200$112.4K0.01%00.0%Unchanged
Center for Financial Planning, Inc.205$115.2K0.01%00.0%Unchanged
Veritas Investment Partners (UK) Ltd.206$115.7K0.00%00.0%Unchanged
Wormser Freres Gestion205$117.7K0.08%+151+279.6%Added
Western Pacific Wealth Management, LP210$118.0K0.12%−1−0.5%Reduced
Bartlett & Co. Wealth Management LLC212$119.4K0.00%+1+0.5%Added
SBI Securities Co., Ltd.220$123.6K0.00%−7−3.1%Reduced
Onefund, LLC221$124.8K0.08%−13−5.6%Reduced
Capital Advisors, Ltd. LLC228$128.0K0.01%00.0%Unchanged
Cary Street Partner Investment Advisory LLC230$129.2K0.03%+47+25.7%Added
Kennebec Savings Bank239$134.3K0.12%00.0%Unchanged
Signature Equity Partners, LLC241$135.4K0.07%+194+412.8%Added
Smithfield Trust Co243$137.0K0.01%00.0%Unchanged
Cromwell Holdings LLC246$138.2K0.08%00.0%Unchanged
Quent Capital, LLC252$141.6K0.01%+5+2.0%Added
Anchor Investment Management, LLC255$143.3K0.01%00.0%Unchanged
Gen-Wealth Partners Inc258$145.0K0.05%−97−27.3%Reduced
Parkside Financial Bank & Trust270$151.7K0.01%−3−1.1%Reduced
CVA Family Office, LLC271$152.3K0.02%+33+13.9%Added
Heritage Wealth Advisors272$152.8K0.01%+141+107.6%Added
E Fund Management (Hong Kong) Co., Ltd.293$164.6K0.07%+76+35.0%Added
Rossby Financial, LCC299$168.8K0.04%−14−4.5%Reduced
Harel Insurance Investments & Financial Services Ltd.304$170.0K0.00%00.0%Unchanged
Sachetta, LLC304$170.8K0.09%+286+1,588.9%Added
Rexford Capital Inc305$171.4K0.12%00.0%Unchanged
Cary Street Partners Financial LLC307$172.5K0.00%+7+2.3%Added
Close Asset Management Ltd313$176.0K0.00%00.0%Unchanged
YANKCOM Partnership330$185.4K0.08%−1−0.3%Reduced
Alexander Labrunerie & Co., Inc.358$201.2K0.08%00.0%Unchanged
New World Advisors LLC359$201.7K0.04%−7−1.9%Reduced
Valeo Financial Advisors, LLC360$202.3K0.00%−206−36.4%Reduced
Harrell Investment Partners, LLC363$204.0K0.05%00.0%Unchanged
Lester Murray Antman dba SimplyRich364$204.0K0.05%00.0%Unchanged
HCR Wealth Advisors366$205.7K0.02%+4+1.1%Added
Keating Financial Advisory Services, Inc.367$206.2K0.03%−8−2.1%Reduced
Ponta Wealth Partners, LLC370$207.9K0.17%+37+11.1%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA371$208.5K0.07%−59−13.7%Reduced
Conning Inc.372$209.0K0.01%−41−9.9%Reduced
Connecticut Wealth Management, LLC374$210.1K0.01%00.0%Unchanged
Advisory Advocates, LLC375$210.7K0.22%−102−21.4%Reduced
Legacy Wealth Asset Management, LLC376$211.3K0.05%+376New
Embree Financial Group377$211.8K0.02%+377New
Harbor Investment Advisory, LLC380$213.5K0.02%−8−2.1%Reduced
KCM Investment Advisors LLC381$214.1K0.01%+4+1.1%Added
Bragg Financial Advisors, Inc384$215.8K0.01%+2+0.5%Added
Lantz Financial LLC385$216.3K0.04%−1−0.3%Reduced
Coyle Financial Counsel LLC387$217.5K0.05%+21+5.7%Added
Sapient Capital LLC391$219.7K0.00%+2+0.5%Added
Waterloo Capital, L.P.392$220.3K0.02%+44+12.6%Added
Jacobi Capital Management LLC394$221.4K0.01%+394New
Fukoku Mutual Life Insurance Co395$221.9K0.01%00.0%Unchanged
TownSquare Capital, LLC398$223.6K0.05%−6−1.5%Reduced
Livforsakringsbolaget Skandia, Omsesidigt400$224.6K0.01%00.0%Unchanged
Genesis Wealth Advisors, LLC400$224.8K0.15%00.0%Unchanged
Westmount Partners, LLC400$224.8K0.06%00.0%Unchanged
Stance Capital LLC400$224.8K0.11%00.0%Unchanged
HTG Investment Advisors, Inc.404$227.0K0.06%00.0%Unchanged
Clark Capital Management Group, Inc.405$227.6K0.00%+34+9.2%Added
Stevens Capital Management LP406$228.0K0.04%−865−68.1%Reduced
Institute for Wealth Management, LLC.409$229.6K0.02%00.0%Unchanged
WealthTrust Axiom LLC409$229.8K0.06%00.0%Unchanged
Keel Point, LLC410$230.4K0.02%−218−34.7%Reduced
Massmutual Trust Co FSB411$230.9K0.01%00.0%Unchanged