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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
Fox Run Management, L.L.C.2,074$1.33M0.21%−548−20.9%Reduced
Callan Family Office, LLC2,074$1.33M0.04%−412−16.6%Reduced
Vestmark Advisory Solutions, Inc.2,045$1.31M0.02%+501+32.4%Added
Howard Capital Management Inc.2,029$1.30M0.02%−6−0.3%Reduced
Quadrant Capital Group LLC2,026$1.29M0.04%+2+0.1%Added
Exchange Traded Concepts, LLC2,017$1.29M0.01%+527+35.4%Added
Independent Advisor Alliance1,978$1.26M0.03%−36−1.8%Reduced
Carnegie Capital Asset Management, LLC1,975$1.26M0.02%00.0%Unchanged
Everhart Financial Group, Inc.1,962$1.25M0.13%+139+7.6%Added
BankPlus Trust Department1,962$1.25M0.34%+1,830+1,386.4%Added
D.A. Davidson & Co.1,952$1.25M0.01%+108+5.9%Added
Silvercrest Asset Management Group LLC1,948$1.24M0.01%−635−24.6%Reduced
American Trust1,940$1.24M0.10%+284+17.1%Added
QRG Capital Management, Inc.1,930$1.23M0.01%+369+23.6%Added
Valmark Advisers, Inc.1,928$1.23M0.02%−60−3.0%Reduced
Verition Fund Management LLC1,925$1.23M0.01%−15,978−89.2%Reduced
Portland Global Advisors LLC1,923$1.23M0.14%+8+0.4%Added
Redwood Investment Management, LLC1,919$1.23M0.13%−685−26.3%Reduced
Birch Hill Investment Advisors LLC1,910$1.22M0.05%00.0%Unchanged
Suncoast Equity Management1,907$1.22M0.12%+66+3.6%Added
Ninety One SA (PTY) Ltd1,905$1.22M0.05%−4,317−69.4%Reduced
Wedbush Securities Inc1,895$1.21M0.04%−299−13.6%Reduced
VestGen Advisors, LLC1,891$1.21M0.04%+1,891New
NVWM, LLC1,856$1.19M0.27%−18−1.0%Reduced
Means Investment Co., Inc.1,843$1.18M0.10%−237−11.4%Reduced
GTS Securities LLC1,827$1.17M0.04%+1,827New
Qtron Investments LLC1,819$1.16M0.14%00.0%Unchanged
HBW Advisory Services LLC1,815$1.16M0.13%−338−15.7%Reduced
Southeast Asset Advisors Inc.1,803$1.15M0.13%−1,336−42.6%Reduced
Connable Office Inc1,800$1.15M0.11%00.0%Unchanged
Western Wealth Management, LLC1,799$1.15M0.06%+2+0.1%Added
Meeder Advisory Services, Inc.1,769$1.13M0.05%+244+16.0%Added
Haven Private, LLC1,767$1.13M0.50%−101−5.4%Reduced
Coldstream Capital Management Inc1,747$1.12M0.02%+162+10.2%Added
Hilltop Holdings Inc.1,745$1.11M0.06%−280−13.8%Reduced
SkyOak Wealth, LLC1,736$1.11M0.21%00.0%Unchanged
Old National Bancorp1,731$1.11M0.02%+1,304+305.4%Added
Kestra Private Wealth Services, LLC1,721$1.10M0.01%−14−0.8%Reduced
Baxter Bros Inc1,710$1.09M0.13%00.0%Unchanged
Everence Capital Management Inc1,700$1.09M0.07%00.0%Unchanged
Verdence Capital Advisors LLC1,671$1.08M0.06%+168+11.2%Added
Conestoga Capital Advisors, LLC1,689$1.08M0.02%+5+0.3%Added
Oxler Private Wealth LLC1,682$1.07M0.31%00.0%Unchanged
Reynders McVeigh Capital Management, LLC1,658$1.06M0.05%+7+0.4%Added
Friedenthal Financial1,657$1.06M0.55%+1,657New
Greenleaf Trust1,649$1.05M0.01%+49+3.1%Added
Personal Cfo Solutions, LLC1,637$1.05M0.18%−132−7.5%Reduced
Concurrent Investment Advisors, LLC1,636$1.05M0.02%+147+9.9%Added
Snowden Capital Advisors LLC1,624$1.04M0.03%−148−8.4%Reduced
Douglass Winthrop Advisors, LLC1,619$1.03M0.02%+19+1.2%Added
Stevens Capital Management LP1,611$1.03M0.14%+388+31.7%Added
Whittier Trust Co1,618$1.02M0.01%−80−4.7%Reduced
Live Oak Investment Partners1,596$1.02M0.68%+232+17.0%Added
Summit Financial, LLC1,591$1.02M0.02%−163−9.3%Reduced
Red Spruce Capital, LLC1,584$1.01M0.41%−117−6.9%Reduced
Canada Post Corp Registered Pension Plan1,582$997.5K0.04%+260+19.7%Added
Sax Wealth Advisors, LLC1,554$992.8K0.05%+26+1.7%Added
Investment House LLC1,550$990.3K0.05%00.0%Unchanged
Group One Trading, L.P.1,542$985.2K0.03%+943+157.4%Added
Congress Asset Management Co1,540$983.9K0.01%−984−39.0%Reduced
Bangor Savings Bank1,533$979.4K0.08%−43−2.7%Reduced
MAI Capital Management1,531$978.3K0.01%+466+43.8%Added
MUFG Securities EMEA plc1,531$978.1K0.02%+1,293+543.3%Added
Perigon Wealth Management, LLC1,529$976.9K0.02%+71+4.9%Added
Rakuten Investment Management, Inc.1,871$972.7K0.00%+1,871New
Oak Ridge Investments LLC1,521$971.8K0.06%+4+0.3%Added
Atlantic Trust, LLC1,515$967.9K0.17%00.0%Unchanged
Essex Financial Services, Inc.1,494$954.5K0.06%+28+1.9%Added
Berkshire Bank1,494$954.5K0.21%−70−4.5%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC1,485$948.8K0.00%+1,485New
17 Capital Partners, LLC1,473$941.1K0.51%+328+28.6%Added
Signaturefd, LLC1,457$930.7K0.01%+93+6.8%Added
Williamson Legacy Group, LLC1,456$930.2K0.72%+1,456New
Hills Bank & Trust Co1,449$925.8K0.05%00.0%Unchanged
Mather Group, LLC.1,449$925.5K0.01%−13−0.9%Reduced
Intrust Bank NA1,441$920.6K0.08%−51−3.4%Reduced
Encompass More Asset Management1,439$919.4K0.18%+1,439New
Venturi Wealth Management, LLC1,428$912.3K0.04%+253+21.5%Added
Mission Wealth Management, LP1,417$905.6K0.02%−3−0.2%Reduced
Ellevest, Inc.1,411$901.5K0.13%+268+23.4%Added
Triglav Skladi, D.O.O.1,400$894.4K0.06%00.0%Unchanged
Wetherby Asset Management Inc1,396$891.9K0.04%−62−4.3%Reduced
Davy Global Fund Management Ltd1,381$882.3K0.06%−1,995−59.1%Reduced
Hager Investment Management Services, LLC1,381$882.3K0.48%+940+213.2%Added
Bigelow Investment Advisors, LLC1,375$878.5K0.35%−27−1.9%Reduced
Americana Partners, LLC1,375$878.5K0.03%+369+36.7%Added
Groupama Asset Managment1,367$873.4K0.01%+1,367New
Acadian Asset Management LLC1,366$869.0K0.00%+620+83.1%Added
NBC Securities, Inc.1,360$868.9K0.07%+25+1.9%Added
Hemenway Trust Co LLC1,314$839.5K0.06%−55−4.0%Reduced
Little House Capital LLC1,300$830.6K0.19%−272−17.3%Reduced
Diversified Trust Co1,298$829.3K0.02%−1,060−45.0%Reduced
GHP Investment Advisors, Inc.1,285$821.0K0.03%00.0%Unchanged
Inspire Advisors, LLC1,283$819.4K0.08%−205−13.8%Reduced
Pine Haven Investment Counsel, Inc1,264$807.6K0.58%+59+4.9%Added
Jones Financial Companies LLLP1,275$806.1K0.00%+174+15.8%Added
Intellectus Partners, LLC1,261$805.6K0.16%+90+7.7%Added
Applied Finance Capital Management, LLC1,251$799.3K0.06%−455−26.7%Reduced
Montag A & Associates Inc1,250$798.6K0.04%00.0%Unchanged
Westerkirk Capital Inc.1,248$797.3K0.09%−113−8.3%Reduced