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, Q1 2025

Institutional positions in IDEXX Laboratories Inc as of Mar 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
1,143
+34 vs. Q4 2024
Shares held
74.1M
+2.63M (+3.7%) vs. Q4 2024
Total value
$31.1B
+$1.53B (+5.2%) vs. Q4 2024
New holders
123
467 more added
Sold out
89
353 more reduced

15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 1,143 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 2025: $31.1B
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, Q1 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2024.

Institutions holding IDXX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Pathstone Holdings, LLC21,367$8.98M0.04%+311+1.5%Added
Kornitzer Capital Management Inc21,644$9.09M0.19%00.0%Unchanged
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund21,792$9.15M0.11%+800+3.8%Added
HM Payson & Co21,855$9.18M0.16%−170−0.8%Reduced
Lyell Wealth Management, LP22,465$9.43M0.88%+1,342+6.4%Added
Xponance, Inc.23,218$9.75M0.09%+240+1.0%Added
Twinbeech Capital LP23,712$9.96M0.18%+23,712New
Arizona State Retirement System23,992$10.1M0.06%+649+2.8%Added
Azimuth Capital Investment Management LLC24,173$10.2M0.40%+11,777+95.0%Added
Woodstock Corp24,537$10.3M1.02%−743−2.9%Reduced
Cobblestone Capital Advisors LLC24,588$10.3M0.57%+92+0.4%Added
MetLife Investment Management24,796$10.4M0.06%−449−1.8%Reduced
Jacobson & Schmitt Advisors, LLC24,987$10.5M2.14%+24,987New
Van Eck Associates Corp25,347$10.6M0.01%+655+2.7%Added
Wealth Enhancement Advisory Services, LLC25,553$10.7M0.02%+2,931+13.0%Added
Sone Capital Management, LLC25,986$10.9M1.12%+11,710+82.0%Added
Creative Planning26,016$10.9M0.01%+1,798+7.4%Added
Public Sector Pension Investment Board26,194$11.0M0.05%−10,075−27.8%Reduced
CIBC Asset Management Inc26,428$11.1M0.04%+62+0.2%Added
Public Employees Retirement System of Ohio26,675$11.2M0.04%−3,741−12.3%Reduced
Truist Financial Corp26,776$11.2M0.02%−1,008−3.6%Reduced
Resona Asset Management Co.,Ltd.26,824$11.2M0.07%+1,434+5.6%Added
Corebridge Financial, Inc.26,937$11.3M0.07%−975−3.5%Reduced
Lansforsakringar Fondforvaltning AB (publ)27,041$11.4M0.07%−111−0.4%Reduced
F/M Investments LLC27,178$11.4M0.45%+27,178New
State of New Jersey Common Pension Fund D27,451$11.5M0.05%−2,430−8.1%Reduced
Swiss Life Asset Management Ltd28,196$11.8M0.09%+1,305+4.9%Added
Brasada Capital Management, LP32,837$11.9M2.37%+3,314+11.2%Added
Boston Family Office LLC28,658$12.0M0.85%+1,277+4.7%Added
HighTower Advisors, LLC29,629$12.4M0.02%−203−0.7%Reduced
Vinva Investment Management Ltd29,965$12.5M0.51%+12,327+69.9%Added
Mn Services Vermogensbeheer B.V.30,060$12.6M0.10%−2,400−7.4%Reduced
Premier Fund Managers Ltd30,777$12.8M0.48%+30,777New
Toronto Dominion Bank30,928$13.0M0.03%−2,477−7.4%Reduced
Wilson Asset Management (International) Pty Ltd31,034$13.0M3.48%+31,034New
Federated Hermes, Inc.31,757$13.3M0.03%−26,222−45.2%Reduced
Bourne Lent Asset Management Inc31,802$13.4M5.73%−7,715−19.5%Reduced
Franklin Street Advisors Inc31,909$13.4M0.95%+31,909New
Kames Capital plc32,071$13.5M0.20%−1,795−5.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)32,175$13.5M0.04%+309+1.0%Added
Forsta Ap-Fonden33,000$13.9M0.10%+300+0.9%Added
Mirae Asset Global Investments Co., Ltd.33,477$13.9M0.06%+7,080+26.8%Added
Stifel Financial Corp33,548$14.1M0.01%+6,825+25.5%Added
Lountzis Asset Management, LLC32,696$14.2M5.36%+32,696New
Two Sigma Investments, LP34,339$14.4M0.03%−53,147−60.7%Reduced
Glenview Trust Co34,573$14.5M0.28%+17,761+105.6%Added
Mediolanum International Funds Ltd35,767$14.9M0.21%−3,703−9.4%Reduced
GW&K Investment Management, LLC35,496$14.9M0.14%+1,049+3.0%Added
Healthcare of Ontario Pension Plan Trust Fund35,650$15.0M0.03%+10,034+39.2%Added
Academy Capital Management Inc35,794$15.0M2.59%+1,781+5.2%Added
Handelsbanken Fonder AB36,051$15.1M0.06%−1,782−4.7%Reduced
GW Henssler & Associates Ltd36,420$15.3M0.88%+36,420New
Parnassus Investments36,653$15.4M0.04%−11,694−24.2%Reduced
Treasurer of the State of North Carolina37,195$15.6M0.06%+567+1.5%Added
LPL Financial LLC37,500$15.7M0.01%+3,963+11.8%Added
Rafferty Asset Management, LLC37,744$15.9M0.07%−3,156−7.7%Reduced
Tudor Investment Corp Et Al38,052$16.0M0.14%+36,086+1,835.5%Added
KLP Kapitalforvaltning AS38,400$16.1M0.08%00.0%Unchanged
NS Partners Ltd39,164$16.4M0.72%−28−0.1%Reduced
Nicola Wealth Management Ltd.39,300$16.5M1.61%+39,300New
Millennium Management LLC39,508$16.6M0.02%−216,720−84.6%Reduced
Capital Investment Services of America, Inc.39,534$16.6M1.68%+739+1.9%Added
TCG Advisory Services, LLC39,699$16.7M0.67%−336−0.8%Reduced
Marble Harbor Investment Counsel, LLC39,722$16.7M1.88%−112−0.3%Reduced
Danske Bank A/S40,039$16.8M0.05%−4,074−9.2%Reduced
Nisa Investment Advisors, LLC40,218$16.9M0.08%+169+0.4%Added
Waycross Partners, LLC40,953$17.2M1.93%+8,515+26.3%Added
State of Michigan Retirement System40,955$17.2M0.10%00.0%Unchanged
Squarepoint Ops LLC41,600$17.5M0.04%−121,910−74.6%Reduced
The PNC Financial Services Group, Inc.42,384$17.8M0.01%+372+0.9%Added
Prudential Financial Inc42,451$17.8M0.03%+225+0.5%Added
Geneva Capital Management LLC42,594$17.9M0.33%−736−1.7%Reduced
Chevy Chase Trust Holdings, Inc.42,975$18.0M0.06%−42−0.1%Reduced
Ensign Peak Advisors, Inc43,137$18.1M0.03%+16,133+59.7%Added
Janney Montgomery Scott LLC43,786$18.4M0.05%+3,728+9.3%Added
Aware Super Pty Ltd as trustee of Aware Super43,916$18.4M0.31%+14,068+47.1%Added
Virginia Retirement Systems Et Al45,108$18.9M0.14%+45,108New
Man Group plc45,109$18.9M0.06%+4,315+10.6%Added
Spence Asset Management45,836$19.2M4.79%+1,174+2.6%Added
Colony Group, LLC46,831$19.7M0.05%+4,255+10.0%Added
Factory Mutual Insurance Co47,600$20.0M0.23%+14,200+42.5%Added
Natixis Advisors, L.P.47,761$20.1M0.04%+2,590+5.7%Added
Howland Capital Management LLC47,882$20.1M0.90%−2,083−4.2%Reduced
Baird Financial Group, Inc.49,323$20.7M0.04%−114,022−69.8%Reduced
Schaper Benz & Wise Investment Counsel Inc49,834$20.9M1.70%+5,332+12.0%Added
Voloridge Investment Management, LLC50,032$21.0M0.08%−108,479−68.4%Reduced
Credit Agricole S A51,207$21.5M0.08%−27,279−34.8%Reduced
DekaBank Deutsche Girozentrale52,257$21.6M0.04%−2,535−4.6%Reduced
Rockefeller Capital Management L.P.51,426$21.6M0.05%−1,547−2.9%Reduced
Harvey Investment Co LLC52,493$22.0M2.45%00.0%Unchanged
Assetmark, Inc52,955$22.2M0.06%+19,151+56.7%Added
Vantage Investment Partners, LLC53,217$22.3M1.88%+53,217New
Biondo Investment Advisors, LLC53,829$22.6M3.21%+11,072+25.9%Added
DF Dent & Co Inc54,318$22.8M0.30%+1,046+2.0%Added
Korea Investment CORP54,599$22.9M0.06%−6,318−10.4%Reduced
Asset Management One Co.,Ltd.55,872$23.5M0.08%+3,028+5.7%Added
Manitou Investment Management Ltd.56,254$23.6M4.59%+4,052+7.8%Added
State of Wisconsin Investment Board58,533$24.6M0.06%+5,451+10.3%Added
Nomura Asset Management Co Ltd58,896$24.7M0.08%−6,225−9.6%Reduced
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management60,300$25.3M1.35%+60,300New