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 |
|---|---|---|---|---|---|
| Frontier Capital Management Co LLC | 115,916 | $48.7M | 0.53% | +25,787+28.6% | Added |
| Stephens Investment Management Group LLC | 111,412 | $46.8M | 0.68% | +2,763+2.5% | Added |
| Marshall Wace, LLP | 110,549 | $46.4M | 0.06% | −96,565−46.6% | Reduced |
| Wells Fargo & Company | 110,478 | $46.4M | 0.01% | +18,719+20.4% | Added |
| Pinebridge Investments, L.P. | 108,364 | $45.5M | 0.37% | +19,174+21.5% | Added |
| Bradley Foster & Sargent Inc | 103,849 | $43.6M | 0.75% | +15,136+17.1% | Added |
| Davis R M Inc | 102,911 | $43.2M | 0.87% | +216+0.2% | Added |
| Riverbridge Partners LLC | 102,492 | $43.0M | 0.69% | −889−0.9% | Reduced |
| Thrivent Financial for Lutherans | 101,613 | $42.7M | 0.09% | +1,382+1.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 100,055 | $42.0M | 0.11% | +23,177+30.1% | Added |
| Bank of Montreal | 99,969 | $42.0M | 0.02% | −20,307−16.9% | Reduced |
| Royal London Asset Management Ltd | 91,909 | $38.6M | 0.09% | +3,755+4.3% | Added |
| Standard Life Aberdeen plc | 90,131 | $37.4M | 0.07% | −152,528−62.9% | Reduced |
| CIBC Private Wealth Group, LLC | 103,552 | $37.4M | 0.08% | +23,076+28.7% | Added |
| Pictet & Cie (Europe) SA | 89,000 | $37.4M | 0.89% | 00.0% | Unchanged |
| Raiffeisen Bank International AG | 88,156 | $36.7M | 0.58% | −13,231−13.0% | Reduced |
| Chicago Capital, LLC | 87,299 | $36.7M | 1.04% | +1,115+1.3% | Added |
| Bank of Nova Scotia | 87,027 | $36.5M | 0.08% | +62,938+261.3% | Added |
| Mogy Joel R Investment Counsel Inc | 85,724 | $36.0M | 2.32% | +6,400+8.1% | Added |
| Candriam Luxembourg S.C.A. | 82,191 | $34.5M | 0.22% | +53,647+187.9% | Added |
| Canada Pension Plan Investment Board | 81,564 | $34.3M | 0.03% | −48,536−37.3% | Reduced |
| Lazard Freres Gestion S.A.S. | 81,233 | $34.1M | 0.83% | +32,110+65.4% | Added |
| New York State Common Retirement Fund | 80,986 | $34.0M | 0.05% | +25,902+47.0% | Added |
| State Board of Administration of Florida Retirement System | 80,446 | $33.8M | 0.07% | 00.0% | Unchanged |
| Schroder Investment Management Group | 79,922 | $33.6M | 0.03% | +6,798+9.3% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 79,742 | $33.5M | 0.09% | +30,264+61.2% | Added |
| Martin Currie Ltd | 79,215 | $33.3M | 1.34% | +6,272+8.6% | Added |
| KBC Group NV | 77,537 | $32.6M | 0.10% | −10,826−12.3% | Reduced |
| Bellevue Group AG | 76,897 | $32.3M | 0.72% | −380.0% | Reduced |
| Local Pensions Partnership Investment Ltd | 75,826 | $31.8M | 0.63% | −6,500−7.9% | Reduced |
| Great West Life Assurance Co | 75,646 | $31.8M | 0.06% | +2,251+3.1% | Added |
| National Bank of Canada | 74,939 | $31.5M | 0.04% | +1,911+2.6% | Added |
| New York State Teachers Retirement System | 67,520 | $28.4M | 0.07% | −4,642−6.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 67,215 | $28.2M | 0.06% | +7,328+12.2% | Added |
| Voya Investment Management LLC | 65,582 | $27.5M | 0.03% | +2,926+4.7% | Added |
| Beacon Investment Advisory Services, Inc. | 65,278 | $27.4M | 1.28% | −14,326−18.0% | Reduced |
| Ninety One UK Ltd | 64,609 | $27.1M | 0.08% | −6,423−9.0% | Reduced |
| Teacher Retirement System of Texas | 64,200 | $27.0M | 0.11% | +37,163+137.5% | Added |
| SEI Investments Co | 63,895 | $26.8M | 0.03% | +29,439+85.4% | Added |
| Villere St Denis J & Co LLC | 62,805 | $26.4M | 2.54% | +363+0.6% | Added |
| Verition Fund Management LLC | 62,761 | $26.4M | 0.15% | +39,936+175.0% | Added |
| Manufacturers Life Insurance Company, The | 62,110 | $26.1M | 0.02% | −18,930−23.4% | Reduced |
| Prudential PLC | 60,886 | $25.6M | 0.13% | +8,214+15.6% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 60,300 | $25.3M | 1.35% | +60,300 | New |
| Nomura Asset Management Co Ltd | 58,896 | $24.7M | 0.08% | −6,225−9.6% | Reduced |
| State of Wisconsin Investment Board | 58,533 | $24.6M | 0.06% | +5,451+10.3% | Added |
| Manitou Investment Management Ltd. | 56,254 | $23.6M | 4.59% | +4,052+7.8% | Added |
| Asset Management One Co.,Ltd. | 55,872 | $23.5M | 0.08% | +3,028+5.7% | Added |
| Korea Investment CORP | 54,599 | $22.9M | 0.06% | −6,318−10.4% | Reduced |
| DF Dent & Co Inc | 54,318 | $22.8M | 0.30% | +1,046+2.0% | Added |
| Biondo Investment Advisors, LLC | 53,829 | $22.6M | 3.21% | +11,072+25.9% | Added |
| Vantage Investment Partners, LLC | 53,217 | $22.3M | 1.88% | +53,217 | New |
| Assetmark, Inc | 52,955 | $22.2M | 0.06% | +19,151+56.7% | Added |
| Harvey Investment Co LLC | 52,493 | $22.0M | 2.45% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 51,426 | $21.6M | 0.05% | −1,547−2.9% | Reduced |
| DekaBank Deutsche Girozentrale | 52,257 | $21.6M | 0.04% | −2,535−4.6% | Reduced |
| Credit Agricole S A | 51,207 | $21.5M | 0.08% | −27,279−34.8% | Reduced |
| Voloridge Investment Management, LLC | 50,032 | $21.0M | 0.08% | −108,479−68.4% | Reduced |
| Schaper Benz & Wise Investment Counsel Inc | 49,834 | $20.9M | 1.70% | +5,332+12.0% | Added |
| Baird Financial Group, Inc. | 49,323 | $20.7M | 0.04% | −114,022−69.8% | Reduced |
| Howland Capital Management LLC | 47,882 | $20.1M | 0.90% | −2,083−4.2% | Reduced |
| Natixis Advisors, L.P. | 47,761 | $20.1M | 0.04% | +2,590+5.7% | Added |
| Factory Mutual Insurance Co | 47,600 | $20.0M | 0.23% | +14,200+42.5% | Added |
| Colony Group, LLC | 46,831 | $19.7M | 0.05% | +4,255+10.0% | Added |
| Spence Asset Management | 45,836 | $19.2M | 4.79% | +1,174+2.6% | Added |
| Man Group plc | 45,109 | $18.9M | 0.06% | +4,315+10.6% | Added |
| Virginia Retirement Systems Et Al | 45,108 | $18.9M | 0.14% | +45,108 | New |
| Aware Super Pty Ltd as trustee of Aware Super | 43,916 | $18.4M | 0.31% | +14,068+47.1% | Added |
| Janney Montgomery Scott LLC | 43,786 | $18.4M | 0.05% | +3,728+9.3% | Added |
| Ensign Peak Advisors, Inc | 43,137 | $18.1M | 0.03% | +16,133+59.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 42,975 | $18.0M | 0.06% | −42−0.1% | Reduced |
| Geneva Capital Management LLC | 42,594 | $17.9M | 0.33% | −736−1.7% | Reduced |
| Prudential Financial Inc | 42,451 | $17.8M | 0.03% | +225+0.5% | Added |
| The PNC Financial Services Group, Inc. | 42,384 | $17.8M | 0.01% | +372+0.9% | Added |
| Squarepoint Ops LLC | 41,600 | $17.5M | 0.04% | −121,910−74.6% | Reduced |
| State of Michigan Retirement System | 40,955 | $17.2M | 0.10% | 00.0% | Unchanged |
| Waycross Partners, LLC | 40,953 | $17.2M | 1.93% | +8,515+26.3% | Added |
| Nisa Investment Advisors, LLC | 40,218 | $16.9M | 0.08% | +169+0.4% | Added |
| Danske Bank A/S | 40,039 | $16.8M | 0.05% | −4,074−9.2% | Reduced |
| Marble Harbor Investment Counsel, LLC | 39,722 | $16.7M | 1.88% | −112−0.3% | Reduced |
| TCG Advisory Services, LLC | 39,699 | $16.7M | 0.67% | −336−0.8% | Reduced |
| Capital Investment Services of America, Inc. | 39,534 | $16.6M | 1.68% | +739+1.9% | Added |
| Millennium Management LLC | 39,508 | $16.6M | 0.02% | −216,720−84.6% | Reduced |
| Nicola Wealth Management Ltd. | 39,300 | $16.5M | 1.61% | +39,300 | New |
| NS Partners Ltd | 39,164 | $16.4M | 0.72% | −28−0.1% | Reduced |
| KLP Kapitalforvaltning AS | 38,400 | $16.1M | 0.08% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 38,052 | $16.0M | 0.14% | +36,086+1,835.5% | Added |
| Rafferty Asset Management, LLC | 37,744 | $15.9M | 0.07% | −3,156−7.7% | Reduced |
| LPL Financial LLC | 37,500 | $15.7M | 0.01% | +3,963+11.8% | Added |
| Treasurer of the State of North Carolina | 37,195 | $15.6M | 0.06% | +567+1.5% | Added |
| Parnassus Investments | 36,653 | $15.4M | 0.04% | −11,694−24.2% | Reduced |
| GW Henssler & Associates Ltd | 36,420 | $15.3M | 0.88% | +36,420 | New |
| Handelsbanken Fonder AB | 36,051 | $15.1M | 0.06% | −1,782−4.7% | Reduced |
| Academy Capital Management Inc | 35,794 | $15.0M | 2.59% | +1,781+5.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 35,650 | $15.0M | 0.03% | +10,034+39.2% | Added |
| GW&K Investment Management, LLC | 35,496 | $14.9M | 0.14% | +1,049+3.0% | Added |
| Mediolanum International Funds Ltd | 35,767 | $14.9M | 0.21% | −3,703−9.4% | Reduced |
| Glenview Trust Co | 34,573 | $14.5M | 0.28% | +17,761+105.6% | Added |
| Two Sigma Investments, LP | 34,339 | $14.4M | 0.03% | −53,147−60.7% | Reduced |
| Lountzis Asset Management, LLC | 32,696 | $14.2M | 5.36% | +32,696 | New |