Skip to main content

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
Buckhead Capital Management LLC667$451.2K0.16%+37+5.9%Added
Optimize Financial Inc669$452.6K0.23%+8+1.2%Added
Smith Group Asset Management, LLC669$452.6K0.02%+89+15.3%Added
CX Institutional670$453.0K0.01%+32+5.0%Added
David Loasby626$453.7K0.03%+72+13.0%Added
Exencial Wealth Advisors, LLC674$455.8K0.01%+14+2.1%Added
Trust Co of Virginia675$456.7K0.04%00.0%Unchanged
Silver Oak Securities, Inc675$460.6K0.03%−2−0.3%Reduced
Peregrine Asset Advisers, Inc.682$461.4K0.13%00.0%Unchanged
Gabelli Funds LLC685$463.4K0.00%+210+44.2%Added
Massar Capital Management, LP689$466.1K0.09%+689New
Evergreen Capital Management LLC690$466.8K0.01%+107+18.4%Added
PCM Encore, LLC692$467.9K0.10%+692New
Forum Financial Management, LP692$468.2K0.01%+1+0.1%Added
Salvus Wealth Management, LLC696$470.9K0.26%+37+5.6%Added
United Bank700$473.6K0.16%00.0%Unchanged
Prosperity Planning, Inc.700$473.6K0.12%00.0%Unchanged
Xxi Wealth, LLC702$474.9K0.29%+702New
Penobscot Investment Management Company, Inc.705$477.0K0.04%−35−4.7%Reduced
Baker Avenue Asset Management, LP705$477.1K0.01%−3−0.4%Reduced
Patron Partners Advisors, LLC706$477.6K0.21%00.0%Unchanged
Sage Mountain Advisors LLC706$477.7K0.03%−33−4.5%Reduced
Gilbert & Cook, Inc.710$480.3K0.06%−70−9.0%Reduced
EverSource Wealth Advisors, LLC713$482.4K0.02%+92+14.8%Added
Gordian Capital Singapore Pte Ltd900$485.7K0.67%+650+260.0%Added
Alps Advisors Inc718$485.7K0.00%+8+1.1%Added
Ascent Group, LLC721$487.8K0.02%+89+14.1%Added
Centaurus Financial, Inc.725$490.0K0.02%−5−0.7%Reduced
Fideuram Asset Management (Ireland) dac1,007$490.4K0.04%+1,007New
Ledyard National Bank726$491.2K0.04%+726New
Cahill Financial Advisors Inc728$492.5K0.05%−15−2.0%Reduced
Larson Financial Group LLC730$493.9K0.02%+381+109.2%Added
Verition Fund Management LLC734$496.6K0.00%−1,191−61.9%Reduced
Resources Investment Advisors, LLC.737$498.6K0.00%+51+7.4%Added
Avestar Capital, LLC740$500.6K0.03%−179−19.5%Reduced
Thompson Investment Management, Inc.750$507.4K0.06%00.0%Unchanged
Aviance Capital Partners, LLC750$507.4K0.06%00.0%Unchanged
Alpha Family Trust750$507.4K0.23%00.0%Unchanged
Advisory Services Network, LLC752$508.8K0.01%+18+2.5%Added
Aureus Asset Management, LLC755$510.8K0.03%−18−2.3%Reduced
Fidelis Capital Partners, LLC756$511.5K0.04%−41−5.1%Reduced
Pembroke Management, LTD757$512.1K0.05%+221+41.2%Added
Wealth Alliance759$513.5K0.05%+12+1.6%Added
Baron Wealth Management LLC760$514.2K0.16%+2+0.3%Added
Stony Point Wealth Management Inc.763$516.2K0.19%+2+0.3%Added
S-Bank Fund Management Ltd767$518.9K0.07%−414−35.1%Reduced
Howard Bailey Securities, LLC772$522.3K0.21%−23−2.9%Reduced
Addison Advisors LLC773$523.0K0.12%+2+0.3%Added
Destination Wealth Management774$523.6K0.01%−23−2.9%Reduced
TBH Global Asset Management, LLC774$523.6K0.09%−6−0.8%Reduced
Miracle Mile Advisors, LLC774$523.9K0.01%+56+7.8%Added
Ashton Thomas Securities, LLC776$525.0K0.10%+776New
Yarbrough Capital, LLC777$525.7K0.02%00.0%Unchanged
Cigna Investments Inc785$532.0K0.08%00.0%Unchanged
Lipe & Dalton790$534.0K0.26%00.0%Unchanged
Centurion Wealth Management LLC804$543.9K0.12%+43+5.7%Added
Beacon Pointe Advisors, LLC804$544.2K0.00%+178+28.4%Added
Baker Tilly Wealth Management, LLC811$548.7K0.14%−53−6.1%Reduced
LGT Group Foundation811$553.4K0.01%−420−34.1%Reduced
Joel Isaacson & Co., LLC823$556.8K0.02%−50−5.7%Reduced
Corient IA LLC825$558.1K0.53%00.0%Unchanged
Quest Partners LLC826$558.8K0.03%−19−2.2%Reduced
Wall Street Access Asset Management, LLC832$563.2K0.13%00.0%Unchanged
Basecamp Wealth Advisors LLC833$563.5K0.12%+833New
Adell Harriman & Carpenter Inc839$567.6K0.03%−175−17.3%Reduced
Sym Financial Corp841$569.0K0.06%−36−4.1%Reduced
denkapparat Operations GmbH844$571.0K0.31%−158−15.8%Reduced
Fox Run Management, L.L.C.847$573.0K0.09%−1,227−59.2%Reduced
Farringdon Capital, Ltd.848$573.7K0.14%+194+29.7%Added
Monticello Wealth Management, LLC852$576.4K0.04%00.0%Unchanged
Dynamic Technology Lab Private Ltd856$579.0K0.13%+856New
WD Rutherford LLC856$579.1K0.24%−120−12.3%Reduced
Ancora Advisors, LLC862$583.2K0.01%+27+3.2%Added
Strategic Financial Services, Inc,908$585.3K0.03%00.0%Unchanged
Mount Yale Investment Advisors, LLC868$587.2K0.03%+344+65.6%Added
Revolve Wealth Partners, LLC870$588.6K0.07%−2−0.2%Reduced
Peapack Gladstone Financial Corp871$589.0K0.01%−1−0.1%Reduced
Essential Investment Partners LLC873$590.6K0.56%+873New
Bennett Selby Investments LP880$595.3K0.19%00.0%Unchanged
Beck Mack & Oliver LLC880$595.3K0.01%+230+35.4%Added
Scotia Capital Inc.885$598.7K0.00%+109+14.0%Added
LGT Fund Management Co Ltd.880$600.4K0.05%+370+72.5%Added
North Star Asset Management Inc892$603.5K0.02%−42−4.5%Reduced
Fifth Third Wealth Advisors LLC892$603.5K0.02%−23−2.5%Reduced
Atlas Brown,Inc.892$603.6K0.18%−6−0.7%Reduced
Foster Dykema Cabot & Partners, LLC895$605.5K0.04%+1+0.1%Added
Foundations Investment Advisors, LLC897$606.8K0.01%+37+4.3%Added
One Wealth Capital Management, LLC900$608.9K0.26%−66−6.8%Reduced
Trust Asset Management LLC910$615.6K0.04%−39−4.1%Reduced
Savant Capital, LLC914$618.3K0.00%−38−4.0%Reduced
Commerzbank Aktiengesellschaft918$621.0K0.01%00.0%Unchanged
Voya Financial Advisors, Inc.908$624.6K0.06%−55−5.7%Reduced
Highland Capital Management, LLC925$625.8K0.03%00.0%Unchanged
RM Financial Services, LLC925$625.8K0.56%+925New
Blalock Williams, LLC926$626.5K0.50%+2+0.2%Added
KFG Wealth Management, LLC928$627.8K0.08%−94−9.2%Reduced
Westpac Banking Corp930$629.2K0.04%00.0%Unchanged
Catalytic Wealth RIA, LLC935$632.6K0.02%−1,355−59.2%Reduced
71 West Capital Partners936$633.2K0.03%+936New
ROI Financial Advisors, LLC937$633.9K0.36%−30−3.1%Reduced