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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
Icon Wealth Advisors, LLC836$462.9K0.03%−3,083−78.7%Reduced
Baker Avenue Asset Management, LP825$463.6K0.01%+120+17.0%Added
Basecamp Wealth Advisors LLC833$468.1K0.10%00.0%Unchanged
Fidelis Capital Partners, LLC834$468.6K0.03%+78+10.3%Added
Wealth Alliance835$469.2K0.05%+76+10.0%Added
Adell Harriman & Carpenter Inc839$471.4K0.03%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.842$473.1K0.02%+420+99.5%Added
denkapparat Operations GmbH844$474.2K0.20%00.0%Unchanged
Monticello Wealth Management, LLC853$479.3K0.03%+1+0.1%Added
WD Rutherford LLC856$481.0K0.21%00.0%Unchanged
Ancora Advisors, LLC868$487.7K0.01%+6+0.7%Added
Alps Advisors Inc868$487.7K0.00%+150+20.9%Added
Foundations Investment Advisors, LLC871$489.4K0.01%−26−2.9%Reduced
Silvercrest Asset Management Group LLC872$490.0K0.00%−80−8.4%Reduced
Essential Investment Partners LLC873$490.5K0.45%00.0%Unchanged
Commerzbank Aktiengesellschaft877$493.0K0.01%−41−4.5%Reduced
Bennett Selby Investments LP880$494.5K0.17%00.0%Unchanged
Johnson Financial Group, LLC883$496.1K0.03%+883New
Scotia Capital Inc.883$496.1K0.00%−2−0.2%Reduced
Aaron Wealth Advisors889$499.5K0.03%−441−33.2%Reduced
North Star Asset Management Inc892$501.2K0.02%00.0%Unchanged
Foster Dykema Cabot & Partners, LLC895$502.9K0.03%00.0%Unchanged
Revolve Wealth Partners, LLC895$502.9K0.07%+25+2.9%Added
BDFS Capital LLC905$508.5K0.24%−87−8.8%Reduced
Concurrent Investment Advisors, LLC907$509.5K0.01%−87−8.8%Reduced
Strategic Financial Services, Inc,908$510.2K0.02%00.0%Unchanged
Trust Asset Management LLC910$511.3K0.04%00.0%Unchanged
Kingsview Wealth Management, LLC915$514.1K0.01%−45−4.7%Reduced
Blalock Williams, LLC915$514.1K0.40%−11−1.2%Reduced
Sagespring Wealth Partners, LLC916$514.7K0.01%−93−9.2%Reduced
KFG Wealth Management, LLC921$517.5K0.07%−7−0.8%Reduced
Aberdeen Wealth Management LLC923$518.6K0.24%−35−3.7%Reduced
Ci Investments Inc.923$518.6K0.00%−15−1.6%Reduced
Highland Capital Management, LLC925$519.7K0.03%00.0%Unchanged
Unique Wealth Strategies, LLC933$524.3K0.21%+933New
W.G. Shaheen & Associates DBA Whitney & Co940$528.2K0.04%00.0%Unchanged
Two Sigma Investments, LP941$528.7K0.00%−6,000−86.4%Reduced
Catalytic Wealth RIA, LLC942$529.3K0.02%+7+0.7%Added
Howard Capital Management Inc.945$531.0K0.01%−1,131−54.5%Reduced
Topsail Wealth Management, LLC950$533.8K0.08%+5+0.5%Added
AlphaGrep UK Ltd950$533.8K0.16%+475+100.0%Added
Snowden Capital Advisors LLC959$538.9K0.01%−386−28.7%Reduced
Weatherly Asset Management L. P.959$539.1K0.04%−55−5.4%Reduced
ROI Financial Advisors, LLC970$545.0K0.33%+33+3.5%Added
Canandaigua National Corp971$545.6K0.05%+971New
Whittier Trust Co of Nevada Inc948$547.4K0.01%+12+1.3%Added
Dana Investment Advisors, Inc.980$550.7K0.02%00.0%Unchanged
DoubleLine ETF Adviser LP982$551.8K0.21%+982New
Two Sigma Securities, LLC991$556.8K0.06%+991New
Nichols & Pratt Advisers LLP1,000$561.9K0.04%+1,000New
PDS Planning, Inc1,003$563.6K0.04%+42+4.4%Added
Waters Parkerson & Co., LLC1,010$567.5K0.03%00.0%Unchanged
Continental Investors Services, Inc.1,077$573.0K0.54%00.0%Unchanged
Fulcrum Asset Management LLP1,037$577.7K0.09%00.0%Unchanged
Advisory Services Network, LLC1,030$578.9K0.01%+278+37.0%Added
71 West Capital Partners1,031$579.3K0.03%+95+10.1%Added
Qtron Investments LLC1,039$583.8K0.08%−780−42.9%Reduced
Stratos Wealth Partners, LTD.1,042$585.5K0.01%−72−6.5%Reduced
SFMG, LLC1,043$586.2K0.04%−2−0.2%Reduced
Boreal Capital Management LLC1,047$588.3K0.51%00.0%Unchanged
NorthRock Partners, LLC1,047$588.3K0.01%+66+6.7%Added
Steadtrust LLC1,050$590.0K0.33%00.0%Unchanged
Groupama Asset Managment1,052$591.1K0.01%−214−16.9%Reduced
City Holding Co1,059$595.0K0.07%+110+11.6%Added
Rothschild Capital Partners, LLC1,071$601.8K0.15%+1,071New
Atlas Brown,Inc.1,071$601.9K0.18%+179+20.1%Added
D. E. Shaw & Co., Inc.1,074$603.5K0.00%−560−34.3%Reduced
17 Capital Partners, LLC1,075$604.0K0.31%−390−26.6%Reduced
VestGen Advisors, LLC1,152$615.1K0.02%−1,092−48.7%Reduced
Sterling Investment Advisors, Ltd.1,100$618.1K0.11%00.0%Unchanged
Grove Bank & Trust1,106$621.5K0.07%−654−37.2%Reduced
Crestmont Private Wealth LLC1,115$626.5K0.20%+70+6.7%Added
Ausdal Financial Partners, Inc.1,129$634.2K0.03%+99+9.6%Added
First National Bank1,133$636.6K0.32%−20−1.7%Reduced
Alliance Wealth Advisors, LLC1,148$645.0K0.14%−528−31.5%Reduced
Hager Investment Management Services, LLC1,149$645.6K0.35%−307−21.1%Reduced
Berkshire Bank1,155$649.0K0.13%−100−8.0%Reduced
Graham Capital Management, L.P.1,171$658.0K0.02%+1,171New
Fifth Third Wealth Advisors LLC1,179$662.5K0.02%+287+32.2%Added
Marietta Investment Partners LLC1,180$663.0K0.13%−203−14.7%Reduced
Crestwood Advisors Group LLC1,184$665.3K0.01%+116+10.9%Added
Hemenway Trust Co LLC1,189$668.1K0.05%−100−7.8%Reduced
Chicago Partners Investment Group LLC1,157$669.2K0.01%+185+19.0%Added
Smartleaf Asset Management LLC1,205$671.8K0.02%+75+6.6%Added
Legacy Trust1,196$672.0K0.13%00.0%Unchanged
Wealthedge Investment Advisors, LLC1,206$677.6K0.25%+1,206New
Financiere des Professionnels - Fonds d,investissement inc.1,210$679.9K0.04%+850+236.1%Added
BIP Wealth, LLC1,214$682.1K0.03%+1,214New
Intellectus Partners, LLC1,219$684.9K0.14%−34−2.7%Reduced
Arkadios Wealth Advisors1,220$685.5K0.01%+176+16.9%Added
Pinnacle Associates Ltd1,226$688.9K0.01%−1−0.1%Reduced
Inscription Capital, LLC1,241$697.3K0.07%+107+9.4%Added
Montag A & Associates Inc1,250$702.4K0.03%00.0%Unchanged
Ballentine Partners, LLC1,259$707.4K0.01%−4−0.3%Reduced
Phoenix Holdings Ltd.1,267$711.7K0.01%+117+10.2%Added
Davy Global Fund Management Ltd1,271$714.2K0.05%00.0%Unchanged
Sumitomo Life Insurance Co1,280$719.2K0.02%+41+3.3%Added
Banque Pictet & Cie SA1,282$720.3K0.01%−918−41.7%Reduced
GHP Investment Advisors, Inc.1,297$728.8K0.03%00.0%Unchanged
Balyasny Asset Management LLC1,308$735.0K0.00%+13+1.0%Added