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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, Q4 2024

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 2024. 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
1,124
+24 vs. Q3 2024
Shares held
71.9M
−1.22M (−1.7%) vs. Q3 2024
Total value
$29.8B
−$6.87B (−18.8%) vs. Q3 2024
New holders
165
338 more added
Sold out
141
439 more reduced

17 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 1,124 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 2024: $29.8B
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 2024

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2024.

Institutions holding IDXX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC25,000$10.3M0.02%−10,700−30.0%Reduced
MetLife Investment Management25,245$10.4M0.06%+85+0.3%Added
Woodstock Corp25,280$10.5M1.01%−486−1.9%Reduced
Resona Asset Management Co.,Ltd.25,390$10.5M0.06%−1,356−5.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund25,616$10.6M0.02%−130,030−83.5%Reduced
CIBC Asset Management Inc26,366$10.9M0.04%+788+3.1%Added
Mirae Asset Global Investments Co., Ltd.26,397$10.9M0.04%−924−3.4%Reduced
Jane Street Group, LLC26,541$11.0M0.02%+24,214+1,040.6%Added
Jefferies Financial Group Inc.26,606$11.0M0.12%+14,711+123.7%Added
Stifel Financial Corp26,723$11.0M0.01%−6,893−20.5%Reduced
Swiss Life Asset Management Ltd26,891$11.1M0.08%+6,476+31.7%Added
Ensign Peak Advisors, Inc27,004$11.2M0.02%−310−1.1%Reduced
Teacher Retirement System of Texas27,037$11.2M0.04%−12,099−30.9%Reduced
Lansforsakringar Fondforvaltning AB (publ)27,152$11.2M0.06%+27,152New
Boston Family Office LLC27,381$11.3M0.78%+473+1.8%Added
Truist Financial Corp27,784$11.5M0.02%+3,382+13.9%Added
Corebridge Financial, Inc.27,912$11.5M0.06%−1,443−4.9%Reduced
Holocene Advisors, LP28,542$11.8M0.04%+28,542New
Candriam Luxembourg S.C.A.28,544$11.8M0.07%+5,610+24.5%Added
Adage Capital Partners GP, L.L.C.28,967$12.0M0.02%−4,978−14.7%Reduced
HighTower Advisors, LLC29,832$12.3M0.02%−640−2.1%Reduced
Aware Super Pty Ltd as trustee of Aware Super29,848$12.3M0.20%+29,848New
State of New Jersey Common Pension Fund D29,881$12.4M0.05%00.0%Unchanged
Brasada Capital Management, LP29,523$12.5M2.22%+5,636+23.6%Added
Public Employees Retirement System of Ohio30,416$12.6M0.04%−4,675−13.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)31,866$13.2M0.04%−3,810−10.7%Reduced
Woodline Partners LP31,929$13.2M0.09%−5,990−15.8%Reduced
Waycross Partners, LLC32,438$13.4M1.74%+32,438New
Mn Services Vermogensbeheer B.V.32,460$13.4M0.09%00.0%Unchanged
Forsta Ap-Fonden32,700$13.5M0.10%+100+0.3%Added
Factory Mutual Insurance Co33,400$13.8M0.15%+33,400New
Toronto Dominion Bank33,405$13.8M0.03%−8,878−21.0%Reduced
LPL Financial LLC33,537$13.9M0.01%−9,600−22.3%Reduced
Andra AP-fonden33,700$13.9M0.22%+5,000+17.4%Added
Assetmark, Inc33,804$14.0M0.04%+15,377+83.4%Added
Kames Capital plc33,866$14.0M0.18%−6,036−15.1%Reduced
Academy Capital Management Inc34,013$14.1M2.30%−159−0.5%Reduced
GW&K Investment Management, LLC34,447$14.2M0.12%−881−2.5%Reduced
SEI Investments Co34,456$14.2M0.02%−31,743−48.0%Reduced
Public Sector Pension Investment Board36,269$15.0M0.06%+32,691+913.7%Added
Swedbank AB36,452$15.1M0.02%−2,322−6.0%Reduced
Treasurer of the State of North Carolina36,628$15.1M0.06%−40−0.1%Reduced
Handelsbanken Fonder AB37,833$15.6M0.06%−2,577−6.4%Reduced
KLP Kapitalforvaltning AS38,400$15.9M0.08%+38,400New
Capital Investment Services of America, Inc.38,795$16.0M1.53%+41+0.1%Added
NS Partners Ltd39,192$16.2M0.67%−118−0.3%Reduced
Mediolanum International Funds Ltd39,470$16.3M0.21%+12,201+44.7%Added
Bourne Lent Asset Management Inc39,517$16.3M6.23%+695+1.8%Added
Marble Harbor Investment Counsel, LLC39,834$16.5M1.82%−240−0.6%Reduced
TCG Advisory Services, LLC40,035$16.6M0.70%−2,687−6.3%Reduced
Nisa Investment Advisors, LLC40,049$16.6M0.06%−2,845−6.6%Reduced
Janney Montgomery Scott LLC40,058$16.6M0.05%+40,058New
SG Americas Securities, LLC40,082$16.6M0.07%+14,659+57.7%Added
Man Group plc40,794$16.9M0.05%−45,244−52.6%Reduced
Rafferty Asset Management, LLC40,900$16.9M0.06%+8,870+27.7%Added
State of Michigan Retirement System40,955$16.9M0.09%−700−1.7%Reduced
The PNC Financial Services Group, Inc.42,012$17.4M0.01%+1,712+4.2%Added
Prudential Financial Inc42,226$17.5M0.02%−7,658−15.4%Reduced
Colony Group, LLC42,576$17.6M0.05%+27,830+188.7%Added
Biondo Investment Advisors, LLC42,757$17.7M2.44%+85+0.2%Added
Chevy Chase Trust Holdings, Inc.43,017$17.8M0.05%−1,132−2.6%Reduced
Geneva Capital Management LLC43,330$17.9M0.31%−5,890−12.0%Reduced
Danske Bank A/S44,113$18.2M0.05%+8,730+24.7%Added
Susquehanna International Group, LLP44,251$18.3M0.03%+32,739+284.4%Added
Schaper Benz & Wise Investment Counsel Inc44,502$18.4M1.48%+3,400+8.3%Added
Spence Asset Management44,662$18.5M4.03%+1,211+2.8%Added
Tri Locum Partners LP44,972$18.6M3.85%+44,972New
Natixis Advisors, L.P.45,171$18.7M0.03%+1,997+4.6%Added
Two Sigma Advisers, LP45,600$18.9M0.04%+11,600+34.1%Added
Parnassus Investments48,347$20.0M0.04%−636−1.3%Reduced
Lazard Freres Gestion S.A.S.49,123$20.3M0.41%+49,123New
Mitsubishi UFJ Trust & Banking Corp49,478$20.5M0.05%−2,762−5.3%Reduced
Howland Capital Management LLC49,965$20.7M0.90%+111+0.2%Added
Manitou Investment Management Ltd.52,202$21.6M4.26%+43,369+491.0%Added
Harvey Investment Co LLC52,493$21.7M2.51%−650−1.2%Reduced
Prudential PLC52,672$21.8M0.11%+1,835+3.6%Added
Rockefeller Capital Management L.P.52,973$21.9M0.06%+229+0.4%Added
Asset Management One Co.,Ltd.52,844$21.9M0.08%+3,057+6.1%Added
State of Wisconsin Investment Board53,082$21.9M0.06%−8,882−14.3%Reduced
DF Dent & Co Inc53,272$22.0M0.28%−941−1.7%Reduced
DekaBank Deutsche Girozentrale54,792$22.5M0.04%00.0%Unchanged
Freestone Grove Partners LP54,604$22.6M0.28%+54,604New
New York State Common Retirement Fund55,084$22.8M0.03%−25,850−31.9%Reduced
ExodusPoint Capital Management, LP55,793$23.1M0.24%+55,793New
Quantum Capital Management, LLC55,883$23.1M2.48%+115+0.2%Added
Federated Hermes, Inc.57,979$24.0M0.05%+1,725+3.1%Added
Mirae Asset Global ETFs Holdings Ltd.59,887$24.8M0.05%−852−1.4%Reduced
Korea Investment CORP60,917$25.2M0.06%+880+1.5%Added
Villere St Denis J & Co LLC62,442$25.8M2.33%+1,556+2.6%Added
Voya Investment Management LLC62,656$25.9M0.03%−8,070−11.4%Reduced
Nomura Asset Management Co Ltd65,121$26.9M0.08%−343−0.5%Reduced
Two Creeks Capital Management, LP69,110$28.6M1.74%+69,110New
Russell Investments Group, Ltd.70,314$29.1M0.04%+19,917+39.5%Added
Ninety One UK Ltd71,032$29.4M0.08%+21,041+42.1%Added
New York State Teachers Retirement System72,162$29.8M0.06%−4,273−5.6%Reduced
Martin Currie Ltd72,943$30.2M1.11%−27,481−27.4%Reduced
National Bank of Canada73,028$30.2M0.04%+10,592+17.0%Added
Schroder Investment Management Group73,124$30.2M0.03%−6,041−7.6%Reduced
Great West Life Assurance Co73,395$30.3M0.05%+2,408+3.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.76,878$31.8M0.08%+3,401+4.6%Added