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.
| 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, Q1 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Clearbridge Investments, LLC | 337,057 | $141.5M | 0.12% | +84,929+33.7% | Added |
| Royal Bank of Canada | 339,688 | $142.7M | 0.03% | −141,452−29.4% | Reduced |
| Bessemer Group Inc | 340,062 | $142.8M | 0.26% | +110,816+48.3% | Added |
| HSBC Holdings PLC | 347,613 | $145.7M | 0.10% | −39,870−10.3% | Reduced |
| Norges Bank | 347,963 | $146.1M | 0.02% | −649,177−65.1% | Reduced |
| Deutsche Bank AG | 360,277 | $151.3M | 0.06% | +2,798+0.8% | Added |
| Durable Capital Partners LP | 364,757 | $153.2M | 1.37% | +364,757 | New |
| UBS Group AG | 376,543 | $158.1M | 0.04% | +44,458+13.4% | Added |
| BNP Paribas Arbitrage, SA | 398,153 | $167.2M | 0.13% | −43,166−9.8% | Reduced |
| Neuberger Berman Group LLC | 415,141 | $174.3M | 0.15% | +19,366+4.9% | Added |
| Nuveen, LLC | 428,109 | $179.8M | 0.06% | +428,109 | New |
| JPMorgan Chase & Co | 443,065 | $186.1M | 0.01% | −94,373−17.6% | Reduced |
| Pictet Asset Management Holding SA | 456,366 | $191.6M | 0.21% | +13,882+3.1% | Added |
| Vontobel Holding Ltd. | 456,621 | $191.8M | 0.70% | +38,058+9.1% | Added |
| Select Equity Group, L.P. | 463,946 | $194.8M | 0.87% | +463,946 | New |
| Capital Counsel LLC | 467,009 | $196.1M | 8.69% | +9,194+2.0% | Added |
| Goldman Sachs Group Inc | 489,210 | $205.4M | 0.04% | +62,590+14.7% | Added |
| Bank of America Corp | 550,287 | $231.1M | 0.02% | +142,650+35.0% | Added |
| Flossbach Von Storch AG | 551,764 | $231.7M | 1.00% | +78,428+16.6% | Added |
| Charles Schwab Investment Management Inc | 551,946 | $231.8M | 0.04% | +20,254+3.8% | Added |
| Franklin Resources Inc | 554,447 | $232.8M | 0.07% | −312,606−36.1% | Reduced |
| Dimensional Fund Advisors LP | 565,508 | $237.5M | 0.06% | −21,193−3.6% | Reduced |
| Bank of New York Mellon Corp | 566,582 | $237.9M | 0.05% | −10,462−1.8% | Reduced |
| Legal & General Group Plc | 636,858 | $267.4M | 0.07% | +26,838+4.4% | Added |
| William Blair Investment Management, LLC | 637,111 | $267.6M | 0.75% | +214,978+50.9% | Added |
| Macquarie Group Ltd | 655,401 | $275.2M | 0.34% | +173,766+36.1% | Added |
| Capital Research Global Investors | 667,804 | $280.4M | 0.06% | +51,808+8.4% | Added |
| Amundi | 723,111 | $297.0M | 0.11% | −35,558−4.7% | Reduced |
| Fundsmith Investment Services Ltd. | 854,359 | $358.8M | 5.06% | −10,649−1.2% | Reduced |
| American Century Companies Inc | 867,992 | $364.5M | 0.22% | +58,178+7.2% | Added |
| Northern Trust Corp | 905,067 | $380.1M | 0.06% | −7,807−0.9% | Reduced |
| UBS Asset Management Americas Inc | 1,076,429 | $452.0M | 0.12% | +290,551+37.0% | Added |
| Blair William & Co | 1,090,770 | $458.1M | 1.38% | −14,244−1.3% | Reduced |
| Principal Financial Group Inc | 1,126,002 | $472.9M | 0.27% | +414,802+58.3% | Added |
| Invesco Ltd. | 1,166,406 | $489.8M | 0.09% | +5,418+0.5% | Added |
| Morgan Stanley | 1,658,345 | $696.4M | 0.05% | +25,306+1.5% | Added |
| Price T Rowe Associates Inc | 1,988,912 | $835.2M | 0.10% | +825,965+71.0% | Added |
| Bamco Inc | 2,059,777 | $865.0M | 2.54% | +54,255+2.7% | Added |
| Geode Capital Management, LLC | 2,409,888 | $1.01B | 0.08% | +112,617+4.9% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 2,648,331 | $1.11B | 5.06% | −14,524−0.5% | Reduced |
| State Street Corp | 3,649,878 | $1.53B | 0.06% | +12,318+0.3% | Added |
| BlackRock, Inc. | 8,703,074 | $3.65B | 0.08% | +230,512+2.7% | Added |
| Vanguard Group Inc | 9,855,937 | $4.14B | 0.07% | +146,427+1.5% | Added |
| Proequities, Inc. | 0 | $0 | 0.00% | −202−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −378,318−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −55,793−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −54,604−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −45,600−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −44,972−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −31,929−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −28,967−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −28,542−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −13,301−100.0% | Sold out |
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −13,205−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −10,900−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −9,280−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −8,513−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −7,022−100.0% | Sold out |
| Lecap Asset Management Ltd | 0 | $0 | 0.00% | −5,701−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −4,429−100.0% | Sold out |
| Thematics Asset Management | 0 | $0 | 0.00% | −4,192−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −3,942−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −3,537−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −3,528−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −3,070−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −2,939−100.0% | Sold out |
| RDA Financial Network | 0 | $0 | 0.00% | −2,605−100.0% | Sold out |
| Bleakley Financial Group, LLC | 0 | $0 | 0.00% | −2,470−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −2,439−100.0% | Sold out |
| Armis Advisers, LLC | 0 | $0 | 0.00% | −2,092−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Fortis Capital Advisors, LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −1,891−100.0% | Sold out |
| Nvest Financial, LLC | 0 | $0 | 0.00% | −1,853−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −1,471−100.0% | Sold out |
| Canada Post Corp Registered Pension Plan | 0 | $0 | 0.00% | −1,322−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −1,260−100.0% | Sold out |
| Lee Danner & Bass Inc | 0 | $0 | 0.00% | −1,176−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −1,031−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −1,025−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −1,017−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −767−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −717−100.0% | Sold out |
| First Hawaiian Bank | 0 | $0 | 0.00% | −665−100.0% | Sold out |
| WMS Partners, LLC | 0 | $0 | 0.00% | −657−100.0% | Sold out |
| Bragg Financial Advisors, Inc | 0 | $0 | 0.00% | −618−100.0% | Sold out |
| Fulcrum Capital LLC | 0 | $0 | 0.00% | −615−100.0% | Sold out |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0 | $0 | 0.00% | −610−100.0% | Sold out |
| Klingman & Associates, LLC | 0 | $0 | 0.00% | −597−100.0% | Sold out |
| Albion Financial Group | 0 | $0 | 0.00% | −584−100.0% | Sold out |
| Wallace Advisory Group, LLC | 0 | $0 | 0.00% | −474−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −578−100.0% | Sold out |
| Venturi Wealth Management, LLC | 0 | $0 | 0.00% | −571−100.0% | Sold out |
| Old National Bancorp | 0 | $0 | 0.00% | −552−100.0% | Sold out |
| Family Wealth Group, LLC | 0 | $0 | 0.00% | −551−100.0% | Sold out |
| FFT Wealth Management LLC | 0 | $0 | 0.00% | −550−100.0% | Sold out |
| Graypoint LLC | 0 | $0 | 0.00% | −528−100.0% | Sold out |
| Winslow Capital Management, LLC | 0 | $0 | 0.00% | −512−100.0% | Sold out |