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, Q2 2025
Institutional positions in IDEXX Laboratories Inc as of Jun 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
- 1,234
- +104 vs. Q1 2025
- Shares held
- 74.5M
- +503.9K (+0.7%) vs. Q1 2025
- Total value
- $40.0B
- +$8.90B (+28.6%) vs. Q1 2025
- New holders
- 198
- 425 more added
- Sold out
- 94
- 419 more reduced
13 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,306 | $39.1B |
| Q1 2026 | 1,318 | $41.2B |
| Q4 2025 | 1,385 | $50.3B |
| Q3 2025 | 1,302 | $46.1B |
| Q2 2025 | 1,234 | $40.0B |
| Q1 2025 | 1,143 | $31.1B |
| Q4 2024 | 1,124 | $29.8B |
| Q3 2024 | 1,117 | $36.7B |
| Q2 2024 | 1,110 | $36.4B |
| Q1 2024 | 1,147 | $39.1B |
| Q4 2023 | 1,155 | $40.5B |
| Q3 2023 | 1,061 | $32.4B |
| Q2 2023 | 1,069 | $36.7B |
| Q1 2023 | 1,058 | $36.4B |
| Q4 2022 | 1,001 | $30.0B |
| Q3 2022 | 925 | $24.0B |
| Q2 2022 | 959 | $25.9B |
| Q1 2022 | 1,036 | $39.7B |
| Q4 2021 | 1,110 | $47.1B |
| Q3 2021 | 1,063 | $44.6B |
| Q2 2021 | 1,037 | $46.1B |
| Q1 2021 | 1,015 | $35.6B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Norges Bank | 413,832 | $222.0M | 0.03% | +65,869+18.9% | Added |
| Montrusco Bolton Investments Inc. | 429,409 | $224.2M | 2.49% | +143,641+50.3% | Added |
| Capital Counsel LLC | 460,770 | $247.1M | 10.03% | −6,239−1.3% | Reduced |
| Nuveen, LLC | 462,003 | $247.8M | 0.07% | +33,894+7.9% | Added |
| Bank of America Corp | 494,154 | $265.0M | 0.02% | −56,133−10.2% | Reduced |
| Price T Rowe Associates Inc | 536,101 | $287.5M | 0.03% | −1,452,811−73.0% | Reduced |
| JPMorgan Chase & Co | 543,582 | $291.6M | 0.02% | +100,517+22.7% | Added |
| Charles Schwab Investment Management Inc | 556,562 | $298.5M | 0.05% | +4,616+0.8% | Added |
| Dimensional Fund Advisors LP | 557,186 | $298.8M | 0.07% | −8,322−1.5% | Reduced |
| Generation Investment Management LLP | 567,322 | $304.3M | 1.93% | +567,322 | New |
| Select Equity Group, L.P. | 573,713 | $307.7M | 1.31% | +109,767+23.7% | Added |
| Goldman Sachs Group Inc | 589,052 | $315.9M | 0.05% | +99,842+20.4% | Added |
| Franklin Resources Inc | 592,649 | $317.9M | 0.08% | +38,202+6.9% | Added |
| Macquarie Group Ltd | 601,644 | $322.7M | 0.40% | −53,757−8.2% | Reduced |
| Legal & General Group Plc | 648,626 | $347.9M | 0.09% | +11,768+1.8% | Added |
| Amundi | 675,672 | $366.7M | 0.13% | −47,439−6.6% | Reduced |
| Capital Research Global Investors | 684,960 | $367.4M | 0.07% | +17,156+2.6% | Added |
| William Blair Investment Management, LLC | 685,088 | $367.4M | 0.98% | +47,977+7.5% | Added |
| Fundsmith Investment Services Ltd. | 844,616 | $453.0M | 6.13% | −9,743−1.1% | Reduced |
| American Century Companies Inc | 853,161 | $457.6M | 0.25% | −14,831−1.7% | Reduced |
| Northern Trust Corp | 957,091 | $513.3M | 0.07% | +52,024+5.7% | Added |
| UBS Asset Management Americas Inc | 1,070,100 | $573.9M | 0.12% | −6,329−0.6% | Reduced |
| Blair William & Co | 1,080,505 | $579.5M | 1.61% | −10,265−0.9% | Reduced |
| Principal Financial Group Inc | 1,127,755 | $604.9M | 0.32% | +1,753+0.2% | Added |
| Invesco Ltd. | 1,158,481 | $621.3M | 0.11% | −7,925−0.7% | Reduced |
| Polen Capital Management LLC | 1,195,425 | $641.2M | 1.97% | +1,195,425 | New |
| Bank of New York Mellon Corp | 1,451,390 | $778.4M | 0.15% | +884,808+156.2% | Added |
| Morgan Stanley | 1,663,326 | $892.1M | 0.06% | +4,981+0.3% | Added |
| Bamco Inc | 2,032,620 | $1.09B | 2.96% | −27,157−1.3% | Reduced |
| Geode Capital Management, LLC | 2,464,290 | $1.32B | 0.09% | +54,402+2.3% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 2,639,289 | $1.42B | 6.15% | −9,042−0.3% | Reduced |
| State Street Corp | 3,554,424 | $1.91B | 0.07% | −95,454−2.6% | Reduced |
| BlackRock, Inc. | 8,373,982 | $4.49B | 0.09% | −329,092−3.8% | Reduced |
| Vanguard Group Inc | 9,875,985 | $5.30B | 0.09% | +20,048+0.2% | Added |
| Durable Capital Partners LP | 0 | $0 | 0.00% | −364,757−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −168,947−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −26,937−100.0% | Sold out |
| Sone Capital Management, LLC | 0 | $0 | 0.00% | −25,986−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −23,712−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −11,063−100.0% | Sold out |
| ING Groep NV | 0 | $0 | 0.00% | −8,901−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −8,314−100.0% | Sold out |
| Element Capital Management LLC | 0 | $0 | 0.00% | −6,526−100.0% | Sold out |
| Delta Global Management LP | 0 | $0 | 0.00% | −6,046−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −5,548−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −5,059−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −5,057−100.0% | Sold out |
| Paragon Advisors, LLC | 0 | $0 | 0.00% | −4,201−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −4,045−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −3,781−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −3,774−100.0% | Sold out |
| In-Depth Partners, LLC | 0 | $0 | 0.00% | −3,488−100.0% | Sold out |
| Wilkinson Global Asset Management LLC | 0 | $0 | 0.00% | −3,155−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −3,126−100.0% | Sold out |
| PGGM Investments | 0 | $0 | 0.00% | −3,037−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −2,806−100.0% | Sold out |
| Banco Santander, S.A. | 0 | $0 | 0.00% | −2,796−100.0% | Sold out |
| Cumberland Partners Ltd | 0 | $0 | 0.00% | −2,750−100.0% | Sold out |
| Crew Capital Management, Ltd. | 0 | $0 | 0.00% | −2,576−100.0% | Sold out |
| National Asset Management, Inc. | 0 | $0 | 0.00% | −2,140−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −2,128−100.0% | Sold out |
| Procyon Private Wealth Partners, LLC | 0 | $0 | 0.00% | −2,119−100.0% | Sold out |
| Legacy Advisors, LLC | 0 | $0 | 0.00% | −1,975−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −1,991−100.0% | Sold out |
| Financial Counselors Inc | 0 | $0 | 0.00% | −1,858−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −1,760−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −1,609−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −1,571−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,525−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −1,518−100.0% | Sold out |
| K.J. Harrison & Partners Inc | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Garda Capital Partners LP | 0 | $0 | 0.00% | −1,358−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −1,174−100.0% | Sold out |
| Aspen Grove Capital, LLC | 0 | $0 | 0.00% | −1,155−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −972−100.0% | Sold out |
| West Coast Financial LLC | 0 | $0 | 0.00% | −954−100.0% | Sold out |
| Agf Management Ltd | 0 | $0 | 0.00% | −952−100.0% | Sold out |
| Signal Advisors Wealth, LLC | 0 | $0 | 0.00% | −935−100.0% | Sold out |
| JFG Wealth Management, LLC | 0 | $0 | 0.00% | −853−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −837−100.0% | Sold out |
| Goldstein Advisors, LLC | 0 | $0 | 0.00% | −826−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −782−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −762−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −659−100.0% | Sold out |
| Fisher Asset Management, LLC | 0 | $0 | 0.00% | −643−100.0% | Sold out |
| World Equity Group, Inc. | 0 | $0 | 0.00% | −587−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −542−100.0% | Sold out |
| Center For Asset Management LLC | 0 | $0 | 0.00% | −538−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −533−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −531−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −523−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −512−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −509−100.0% | Sold out |
| Anderson Financial Strategies, LLC | 0 | $0 | 0.00% | −468−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −410−100.0% | Sold out |
| Stephenson National Bank & Trust | 0 | $0 | 0.00% | −365−100.0% | Sold out |
| Atala Financial Inc | 0 | $0 | 0.00% | −246−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −236−100.0% | Sold out |
| McClarren Financial Advisors, Inc. | 0 | $0 | 0.00% | −185−100.0% | Sold out |
| Bank of Jackson Hole Trust | 0 | $0 | 0.00% | −90−100.0% | Sold out |