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 2026
Institutional positions in IDEXX Laboratories Inc as of Jun 30, 2026. 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
- 1,306
- +9 vs. Q1 2026
- Shares held
- 74.2M
- +983.2K (+1.3%) vs. Q1 2026
- Total value
- $39.1B
- −$2.07B (−5.0%) vs. Q1 2026
- New holders
- 115
- 474 more added
- Sold out
- 106
- 511 more reduced
21 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Thrivent Financial for Lutherans | 36,701 | $19.3M | 0.03% | −19,450−34.6% | Reduced |
| Nykredit A/S | 36,943 | $19.4M | 0.07% | +36,943 | New |
| CIBC Asset Management Inc | 36,993 | $19.5M | 0.04% | −1,187−3.1% | Reduced |
| Worldquant Millennium Advisors LLC | 37,046 | $19.5M | 0.07% | −61,309−62.3% | Reduced |
| Prudential Financial Inc | 37,173 | $19.6M | 0.02% | −32,520−46.7% | Reduced |
| HRT Financial LP | 37,575 | $19.8M | 0.04% | +37,575 | New |
| Handelsbanken Fonder AB | 38,344 | $20.2M | 0.06% | +2,150+5.9% | Added |
| Swiss Life Asset Management Ltd | 38,401 | $20.2M | 0.08% | +7,295+23.5% | Added |
| FORA Capital, LLC | 38,470 | $20.2M | 1.39% | +22,545+141.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 38,532 | $20.3M | 0.10% | −2,880−7.0% | Reduced |
| Citadel Advisors LLC | 38,846 | $20.5M | 0.01% | −48,720−55.6% | Reduced |
| Achmea Investment Management B.V. | 38,859 | $20.5M | 0.51% | −2,898−6.9% | Reduced |
| Prudential PLC | 38,954 | $20.5M | 0.15% | −3,096−7.4% | Reduced |
| Capital Investment Services of America, Inc. | 38,977 | $20.5M | 2.01% | +347+0.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 39,381 | $20.7M | 0.05% | −1,215−3.0% | Reduced |
| DF Dent & Co Inc | 39,515 | $20.8M | 0.39% | −508−1.3% | Reduced |
| Manufacturers Life Insurance Company, The | 39,712 | $20.9M | 0.02% | −2,943−6.9% | Reduced |
| BLI - Banque de Luxembourg Investments | 38,931 | $20.9M | 0.74% | −16,840−30.2% | Reduced |
| Geneva Capital Management LLC | 40,242 | $21.2M | 0.49% | −2,766−6.4% | Reduced |
| Vanguard Investments Australia, Ltd. | 40,523 | $21.3M | 0.05% | +655+1.6% | Added |
| Public Employees Retirement Association of Colorado | 40,896 | $21.5M | 0.07% | −492−1.2% | Reduced |
| Mediolanum International Funds Ltd | 41,323 | $22.1M | 0.19% | −1,542−3.6% | Reduced |
| Raiffeisen Bank International AG | 41,815 | $22.4M | 0.26% | −788−1.8% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 42,986 | $22.6M | 0.06% | −4,739−9.9% | Reduced |
| Creative Planning | 43,512 | $22.9M | 0.01% | +6,342+17.1% | Added |
| Allspring Global Investments Holdings, LLC | 42,824 | $23.0M | 0.04% | −374−0.9% | Reduced |
| Nomura Asset Management Co Ltd | 43,890 | $23.1M | 0.05% | +348+0.8% | Added |
| Mackenzie Financial Corp | 44,162 | $23.2M | 0.02% | −1,577−3.4% | Reduced |
| LPL Financial LLC | 44,772 | $23.6M | 0.01% | +940+2.1% | Added |
| Railway Pension Investments Ltd | 45,360 | $23.9M | 0.30% | −211,120−82.3% | Reduced |
| Factory Mutual Insurance Co | 45,700 | $24.1M | 0.23% | −100−0.2% | Reduced |
| KLP Kapitalforvaltning AS | 45,840 | $24.1M | 0.08% | +1,800+4.1% | Added |
| New York State Common Retirement Fund | 46,031 | $24.2M | 0.03% | −1,804−3.8% | Reduced |
| The PNC Financial Services Group, Inc. | 46,351 | $24.4M | 0.01% | +612+1.3% | Added |
| Assetmark, Inc | 46,428 | $24.4M | 0.04% | −4,396−8.6% | Reduced |
| State of Wisconsin Investment Board | 46,644 | $24.6M | 0.05% | −4,734−9.2% | Reduced |
| Howland Capital Management LLC | 46,776 | $24.6M | 0.89% | −702−1.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 46,796 | $24.6M | 0.03% | −9,265−16.5% | Reduced |
| Gotham Asset Management, LLC | 47,154 | $24.8M | 0.06% | −33,323−41.4% | Reduced |
| Danske Bank A/S | 47,228 | $24.9M | 0.05% | +3,161+7.2% | Added |
| Schaper Benz & Wise Investment Counsel Inc | 49,206 | $25.9M | 1.73% | +61+0.1% | Added |
| Harvey Investment Co LLC | 49,209 | $25.9M | 2.82% | −875−1.7% | Reduced |
| Investment Management Corp of Ontario | 50,051 | $26.3M | 0.33% | −680−1.3% | Reduced |
| Royal London Asset Management Ltd | 50,714 | $26.7M | 0.05% | −314−0.6% | Reduced |
| Vinva Investment Management Ltd | 50,327 | $27.0M | 0.18% | +19,153+61.4% | Added |
| Rockefeller Capital Management L.P. | 51,299 | $27.0M | 0.04% | −893−1.7% | Reduced |
| Man Group plc | 51,382 | $27.0M | 0.05% | +16,857+48.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 53,464 | $28.1M | 0.05% | +6,333+13.4% | Added |
| Biondo Investment Advisors, LLC | 53,673 | $28.3M | 3.46% | +1,407+2.7% | Added |
| Susquehanna International Group, LLP | 54,439 | $28.7M | 0.03% | +40,378+287.2% | Added |
| Asset Management One Co.,Ltd. | 54,796 | $28.8M | 0.07% | +909+1.7% | Added |
| APG Asset Management N.V. | 62,926 | $29.0M | 0.07% | +14,528+30.0% | Added |
| Beacon Investment Advisory Services, Inc. | 55,153 | $29.0M | 1.08% | −3,657−6.2% | Reduced |
| DekaBank Deutsche Girozentrale | 54,792 | $30.4M | 0.05% | 00.0% | Unchanged |
| Local Pensions Partnership Investment Ltd | 59,126 | $31.1M | 0.65% | +1,000+1.7% | Added |
| Aware Super Pty Ltd as trustee of Aware Super | 59,123 | $31.1M | 0.44% | −1,573−2.6% | Reduced |
| RMB Capital Management, LLC | 59,496 | $31.3M | 0.48% | +2,295+4.0% | Added |
| NEOS Investment Management LLC | 60,354 | $31.8M | 0.12% | +6,721+12.5% | Added |
| Jones Financial Companies LLLP | 57,674 | $31.8M | 0.01% | +18,262+46.3% | Added |
| Freestone Grove Partners LP | 60,557 | $31.9M | 0.21% | −29,959−33.1% | Reduced |
| Bellevue Group AG | 61,780 | $32.5M | 0.68% | −27,351−30.7% | Reduced |
| Colony Group, LLC | 61,904 | $32.6M | 0.03% | +1,716+2.9% | Added |
| New York State Teachers Retirement System | 62,385 | $32.8M | 0.06% | −4,769−7.1% | Reduced |
| Ameriprise Financial Inc | 62,784 | $33.1M | 0.01% | −71,512−53.2% | Reduced |
| Tremblant Capital Group | 63,437 | $33.4M | 0.96% | −1,103−1.7% | Reduced |
| Jupiter Asset Management Ltd | 64,248 | $33.8M | 0.17% | +36,698+133.2% | Added |
| Fiera Capital Corp | 64,369 | $33.9M | 0.12% | −6,838−9.6% | Reduced |
| Teacher Retirement System of Texas | 67,242 | $35.4M | 0.10% | −3,127−4.4% | Reduced |
| Manitou Investment Management Ltd. | 69,979 | $36.8M | 6.85% | +381+0.5% | Added |
| Adage Capital Partners GP, L.L.C. | 70,301 | $37.0M | 0.05% | +2,000+2.9% | Added |
| State Board of Administration of Florida Retirement System | 70,689 | $37.2M | 0.06% | −870−1.2% | Reduced |
| SEI Investments Co | 71,577 | $37.7M | 0.03% | −22,909−24.2% | Reduced |
| Great West Life Assurance Co | 72,305 | $38.0M | 0.06% | +1,841+2.6% | Added |
| Riverbridge Partners LLC | 73,440 | $38.7M | 1.08% | −9,084−11.0% | Reduced |
| Aviva PLC | 73,861 | $38.9M | 0.06% | +179+0.2% | Added |
| Chicago Capital, LLC | 74,297 | $39.1M | 0.94% | −3,084−4.0% | Reduced |
| Lazard Freres Gestion S.A.S. | 75,574 | $39.8M | 0.69% | +8,287+12.3% | Added |
| Baird Financial Group, Inc. | 76,035 | $40.0M | 0.06% | −6,500−7.9% | Reduced |
| AQR Capital Management LLC | 77,198 | $40.4M | 0.01% | −19,528−20.2% | Reduced |
| Millennium Management LLC | 78,980 | $41.6M | 0.03% | +8,534+12.1% | Added |
| Natixis Advisors, L.P. | 79,090 | $41.6M | 0.05% | +14,628+22.7% | Added |
| LGT Capital Partners Ltd. | 79,135 | $41.7M | 2.11% | −28,881−26.7% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 83,104 | $43.7M | 0.14% | −17,736−17.6% | Reduced |
| Quantum Capital Management, LLC | 83,634 | $44.0M | 5.52% | +27,426+48.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 85,414 | $45.0M | 0.10% | +59+0.1% | Added |
| Mogy Joel R Investment Counsel Inc | 85,445 | $45.0M | 2.58% | −47−0.1% | Reduced |
| SG Americas Securities, LLC | 87,840 | $46.2M | 0.03% | +77,209+726.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 88,635 | $46.7M | 0.07% | −26,944−23.3% | Reduced |
| Pictet & Cie (Europe) SA | 89,000 | $46.9M | 0.92% | 00.0% | Unchanged |
| Davis R M Inc | 91,242 | $48.0M | 0.76% | −721−0.8% | Reduced |
| Standard Life Aberdeen plc | 91,286 | $48.1M | 0.07% | −2,011−2.2% | Reduced |
| Virginia Retirement Systems Et Al | 92,218 | $48.5M | 0.29% | +20,420+28.4% | Added |
| Marshall Wace, LLP | 93,128 | $49.0M | 0.04% | +43,833+88.9% | Added |
| ProShare Advisors LLC | 94,051 | $49.5M | 0.07% | −28,567−23.3% | Reduced |
| Voya Investment Management LLC | 95,942 | $50.5M | 0.04% | +1,956+2.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 96,055 | $50.6M | 0.07% | −37,836−28.3% | Reduced |
| Seilern Investment Management Ltd | 97,560 | $51.4M | 6.47% | +16,729+20.7% | Added |
| Alliancebernstein L.P. | 95,773 | $53.8M | 0.02% | +1,289+1.4% | Added |
| Bradley Foster & Sargent Inc | 104,140 | $54.8M | 0.78% | +486+0.5% | Added |
| Jane Street Group, LLC | 105,108 | $55.3M | 0.04% | +90,110+600.8% | Added |