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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 9,855,937 | $4.14B | 0.07% | +146,427+1.5% | Added |
| BlackRock, Inc. | 8,703,074 | $3.65B | 0.08% | +230,512+2.7% | Added |
| State Street Corp | 3,649,878 | $1.53B | 0.06% | +12,318+0.3% | Added |
| Fundsmith LLPSuperinvestorFundsmith | 2,648,331 | $1.11B | 5.06% | −14,524−0.5% | Reduced |
| Geode Capital Management, LLC | 2,409,888 | $1.01B | 0.08% | +112,617+4.9% | Added |
| Bamco Inc | 2,059,777 | $865.0M | 2.54% | +54,255+2.7% | Added |
| Price T Rowe Associates Inc | 1,988,912 | $835.2M | 0.10% | +825,965+71.0% | Added |
| Morgan Stanley | 1,658,345 | $696.4M | 0.05% | +25,306+1.5% | Added |
| Invesco Ltd. | 1,166,406 | $489.8M | 0.09% | +5,418+0.5% | Added |
| Principal Financial Group Inc | 1,126,002 | $472.9M | 0.27% | +414,802+58.3% | Added |
| Blair William & Co | 1,090,770 | $458.1M | 1.38% | −14,244−1.3% | Reduced |
| UBS Asset Management Americas Inc | 1,076,429 | $452.0M | 0.12% | +290,551+37.0% | Added |
| Northern Trust Corp | 905,067 | $380.1M | 0.06% | −7,807−0.9% | Reduced |
| American Century Companies Inc | 867,992 | $364.5M | 0.22% | +58,178+7.2% | Added |
| Fundsmith Investment Services Ltd. | 854,359 | $358.8M | 5.06% | −10,649−1.2% | Reduced |
| Amundi | 723,111 | $297.0M | 0.11% | −35,558−4.7% | Reduced |
| Capital Research Global Investors | 667,804 | $280.4M | 0.06% | +51,808+8.4% | Added |
| Macquarie Group Ltd | 655,401 | $275.2M | 0.34% | +173,766+36.1% | Added |
| William Blair Investment Management, LLC | 637,111 | $267.6M | 0.75% | +214,978+50.9% | Added |
| Legal & General Group Plc | 636,858 | $267.4M | 0.07% | +26,838+4.4% | Added |
| Bank of New York Mellon Corp | 566,582 | $237.9M | 0.05% | −10,462−1.8% | Reduced |
| Dimensional Fund Advisors LP | 565,508 | $237.5M | 0.06% | −21,193−3.6% | Reduced |
| Franklin Resources Inc | 554,447 | $232.8M | 0.07% | −312,606−36.1% | Reduced |
| Charles Schwab Investment Management Inc | 551,946 | $231.8M | 0.04% | +20,254+3.8% | Added |
| Flossbach Von Storch AG | 551,764 | $231.7M | 1.00% | +78,428+16.6% | Added |
| Bank of America Corp | 550,287 | $231.1M | 0.02% | +142,650+35.0% | Added |
| Goldman Sachs Group Inc | 489,210 | $205.4M | 0.04% | +62,590+14.7% | Added |
| Capital Counsel LLC | 467,009 | $196.1M | 8.69% | +9,194+2.0% | Added |
| Select Equity Group, L.P. | 463,946 | $194.8M | 0.87% | +463,946 | New |
| Vontobel Holding Ltd. | 456,621 | $191.8M | 0.70% | +38,058+9.1% | Added |
| Pictet Asset Management Holding SA | 456,366 | $191.6M | 0.21% | +13,882+3.1% | Added |
| JPMorgan Chase & Co | 443,065 | $186.1M | 0.01% | −94,373−17.6% | Reduced |
| Nuveen, LLC | 428,109 | $179.8M | 0.06% | +428,109 | New |
| Neuberger Berman Group LLC | 415,141 | $174.3M | 0.15% | +19,366+4.9% | Added |
| BNP Paribas Arbitrage, SA | 398,153 | $167.2M | 0.13% | −43,166−9.8% | Reduced |
| UBS Group AG | 376,543 | $158.1M | 0.04% | +44,458+13.4% | Added |
| Durable Capital Partners LP | 364,757 | $153.2M | 1.37% | +364,757 | New |
| Deutsche Bank AG | 360,277 | $151.3M | 0.06% | +2,798+0.8% | Added |
| Norges Bank | 347,963 | $146.1M | 0.02% | −649,177−65.1% | Reduced |
| HSBC Holdings PLC | 347,613 | $145.7M | 0.10% | −39,870−10.3% | Reduced |
| Bessemer Group Inc | 340,062 | $142.8M | 0.26% | +110,816+48.3% | Added |
| Royal Bank of Canada | 339,688 | $142.7M | 0.03% | −141,452−29.4% | Reduced |
| Clearbridge Investments, LLC | 337,057 | $141.5M | 0.12% | +84,929+33.7% | Added |
| Williams Jones Wealth Management, LLC. | 295,338 | $124.0M | 1.58% | −29,183−9.0% | Reduced |
| TD Asset Management Inc | 293,713 | $123.3M | 0.11% | +19,908+7.3% | Added |
| Montrusco Bolton Investments Inc. | 285,768 | $120.0M | 1.58% | +285,768 | New |
| Barclays PLC | 279,671 | $117.4M | 0.05% | +63,692+29.5% | Added |
| Seilern Investment Management Ltd | 265,949 | $111.7M | 7.30% | −7,618−2.8% | Reduced |
| Qube Research & Technologies Ltd | 264,019 | $110.9M | 0.17% | +42,823+19.4% | Added |
| FMR LLC | 253,964 | $106.7M | 0.01% | −32,935−11.5% | Reduced |
| Comgest Global Investors S.A.S. | 245,301 | $103.0M | 1.84% | +53,790+28.1% | Added |
| D. E. Shaw & Co., Inc. | 238,234 | $100.0M | 0.12% | +26,098+12.3% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 236,911 | $99.2M | 0.32% | +13,070+5.8% | Added |
| Swiss National Bank | 231,000 | $97.0M | 0.07% | −1,600−0.7% | Reduced |
| Champlain Investment Partners, LLC | 224,605 | $94.3M | 0.68% | +224,605 | New |
| American Capital Management Inc | 221,606 | $93.1M | 3.79% | +15,544+7.5% | Added |
| Wellington Management Group LLP | 219,573 | $92.2M | 0.02% | +24,204+12.4% | Added |
| First Trust Advisors LP | 219,027 | $92.0M | 0.08% | +5,921+2.8% | Added |
| Assenagon Asset Management S.A. | 206,551 | $86.7M | 0.15% | −228,498−52.5% | Reduced |
| Epoch Investment Partners, Inc. | 200,967 | $84.4M | 0.44% | +29,796+17.4% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 199,390 | $83.7M | 0.06% | +940+0.5% | Added |
| TimesSquare Capital Management, LLC | 197,746 | $83.0M | 1.34% | +4,230+2.2% | Added |
| Raymond James Financial Inc | 193,256 | $81.2M | 0.03% | +19,366+11.1% | Added |
| Arrowstreet Capital, Limited Partnership | 190,910 | $80.2M | 0.07% | +48,718+34.3% | Added |
| Liontrust Investment Partners LLP | 187,629 | $78.8M | 1.23% | +181,682+3,055.0% | Added |
| Rhumbline Advisers | 183,195 | $76.9M | 0.07% | +7,225+4.1% | Added |
| Alliancebernstein L.P. | 181,892 | $76.4M | 0.03% | −1,057,328−85.3% | Reduced |
| Russell Investments Group, Ltd. | 181,838 | $76.3M | 0.10% | +111,524+158.6% | Added |
| Victory Capital Management Inc | 180,165 | $75.7M | 0.08% | +7,034+4.1% | Added |
| AQR Capital Management LLC | 175,785 | $72.8M | 0.07% | +53,106+43.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 170,832 | $71.7M | 0.07% | +26,821+18.6% | Added |
| Welch & Forbes LLC | 169,846 | $71.3M | 0.93% | +527+0.3% | Added |
| Jupiter Asset Management Ltd | 168,947 | $70.9M | 0.68% | +27,978+19.8% | Added |
| Caisse de Depot Et Placement du Quebec | 167,974 | $70.5M | 0.15% | +5,664+3.5% | Added |
| Railway Pension Investments Ltd | 165,130 | $69.3M | 0.98% | −17,200−9.4% | Reduced |
| Envestnet Asset Management Inc | 161,829 | $68.0M | 0.02% | +12,255+8.2% | Added |
| Two Creeks Capital Management, LP | 160,254 | $67.3M | 4.30% | +91,144+131.9% | Added |
| LGT Capital Partners Ltd. | 155,138 | $65.2M | 2.89% | +11,840+8.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 150,298 | $63.1M | 0.13% | +56,408+60.1% | Added |
| Mackenzie Financial Corp | 148,323 | $62.3M | 0.09% | −8,197−5.2% | Reduced |
| Robeco Institutional Asset Management B.V. | 148,237 | $62.3M | 0.12% | −24,091−14.0% | Reduced |
| Rathbone Brothers plc | 143,768 | $60.4M | 0.29% | +7,331+5.4% | Added |
| California Public Employees Retirement System | 141,702 | $59.5M | 0.04% | −928−0.7% | Reduced |
| Aviva PLC | 138,627 | $58.2M | 0.14% | +15,186+12.3% | Added |
| SG Americas Securities, LLC | 138,495 | $58.2M | 0.20% | +98,413+245.5% | Added |
| Allianz Asset Management GmbH | 138,164 | $58.0M | 0.09% | −23,097−14.3% | Reduced |
| Fiera Capital Corp | 137,588 | $57.8M | 0.21% | −3,610−2.6% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 133,775 | $57.1M | 0.56% | −684−0.5% | Reduced |
| ProShare Advisors LLC | 135,511 | $56.9M | 0.13% | +12,414+10.1% | Added |
| Ameriprise Financial Inc | 133,941 | $56.2M | 0.02% | +15,340+12.9% | Added |
| Citigroup Inc | 132,236 | $55.5M | 0.04% | +30,122+29.5% | Added |
| National Pension Service | 126,400 | $53.1M | 0.05% | +8,752+7.4% | Added |
| EULAV Asset Management | 126,215 | $53.0M | 1.31% | +30.0% | Added |
| California State Teachers Retirement System | 126,094 | $53.0M | 0.07% | −2,291−1.8% | Reduced |
| Waratah Capital Advisors Ltd. | 123,393 | $51.8M | 3.53% | +123,393 | New |
| CI Private Wealth, LLC | 120,504 | $50.6M | 0.08% | −4,946−3.9% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 119,187 | $50.1M | 0.12% | −10,715−8.2% | Reduced |
| Brown Advisory Inc | 119,169 | $50.0M | 0.07% | −4,932−4.0% | Reduced |
| BLI - Banque de Luxembourg Investments | 119,400 | $49.6M | 1.50% | +1,000+0.8% | Added |
| Quantum Capital Management, LLC | 117,567 | $49.4M | 5.11% | +61,684+110.4% | Added |