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, Q3 2025
Institutional positions in IDEXX Laboratories Inc as of Sep 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
- 1,302
- +88 vs. Q2 2025
- Shares held
- 72.2M
- −1.78M (−2.4%) vs. Q2 2025
- Total value
- $46.1B
- +$6.43B (+16.2%) vs. Q2 2025
- New holders
- 162
- 417 more added
- Sold out
- 74
- 490 more reduced
20 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Middleton & Co Inc | 13,135 | $8.39M | 0.91% | −172−1.3% | Reduced |
| Utah Retirement Systems | 13,376 | $8.55M | 0.08% | +17+0.1% | Added |
| Capital Fund Management S.A. | 13,506 | $8.63M | 0.09% | +1,964+17.0% | Added |
| Haven Capital Group, Inc. | 13,669 | $8.73M | 7.78% | −423−3.0% | Reduced |
| Midwest Trust Co | 13,781 | $8.80M | 0.11% | +12,179+760.2% | Added |
| CIBC Bancorp USA Inc. | 13,983 | $8.93M | 0.05% | +13,983 | New |
| Banco Bilbao Vizcaya Argentaria, S.A. | 14,140 | $9.01M | 0.07% | +10,943+342.3% | Added |
| Cardinal Capital Management | 14,178 | $9.06M | 1.25% | −90−0.6% | Reduced |
| Segall Bryant & Hamill, LLC | 14,343 | $9.16M | 0.12% | −6,743−32.0% | Reduced |
| iA Global Asset Management Inc. | 14,752 | $9.43M | 0.13% | +635+4.5% | Added |
| OP Asset Management Ltd | 14,963 | $9.56M | 0.13% | +183+1.2% | Added |
| Great Diamond Partners, LLC | 15,001 | $9.58M | 1.86% | −141−0.9% | Reduced |
| Ieq Capital, LLC | 15,031 | $9.60M | 0.03% | −895−5.6% | Reduced |
| Chilton Investment Co LLC | 15,032 | $9.60M | 0.20% | −551−3.5% | Reduced |
| JustInvest LLC | 15,184 | $9.70M | 0.10% | +994+7.0% | Added |
| US Bancorp | 15,259 | $9.75M | 0.01% | +144+1.0% | Added |
| FIL Ltd | 15,260 | $9.75M | 0.01% | +14,772+3,027.0% | Added |
| Flputnam Investment Management Co | 15,476 | $9.89M | 0.15% | −233−1.5% | Reduced |
| Lazard Asset Management LLC | 15,547 | $9.93M | 0.01% | +5,840+60.2% | Added |
| DnB Asset Management AS | 15,772 | $10.1M | 0.04% | +434+2.8% | Added |
| Tang Capital Management LLC | 16,000 | $10.2M | 0.39% | 00.0% | Unchanged |
| USS Investment Management Ltd | 16,362 | $10.5M | 0.05% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 16,410 | $10.5M | 0.01% | +3,952+31.7% | Added |
| Kornitzer Capital Management Inc | 16,744 | $10.7M | 0.21% | −4,900−22.6% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 16,947 | $10.8M | 0.10% | −4,388−20.6% | Reduced |
| Carderock Capital Management Inc | 16,984 | $10.9M | 2.64% | +538+3.3% | Added |
| IFM Investors Pty Ltd | 17,173 | $10.9M | 0.10% | −270−1.5% | Reduced |
| Retirement Systems of Alabama | 17,068 | $10.9M | 0.04% | −190−1.1% | Reduced |
| Commonwealth Equity Services, LLC | 17,407 | $11.1M | 0.01% | −898−4.9% | Reduced |
| Bath Savings Trust Co | 17,669 | $11.3M | 1.12% | −75−0.4% | Reduced |
| Achmea Investment Management B.V. | 17,769 | $11.4M | 0.14% | +13,537+319.9% | Added |
| Strategic Global Advisors, LLC | 17,875 | $11.4M | 1.73% | −275−1.5% | Reduced |
| Amalgamated Bank | 18,218 | $11.6M | 0.08% | +192+1.1% | Added |
| Mutual of America Capital Management LLC | 18,220 | $11.6M | 0.12% | −1,422−7.2% | Reduced |
| GF Fund Management Co. Ltd. | 18,224 | $11.6M | 0.21% | +130+0.7% | Added |
| Coalescence Partners Investment Management, LP | 18,559 | $11.9M | 3.13% | −19,147−50.8% | Reduced |
| Northstar Asset Management Inc | 18,562 | $11.9M | 3.08% | −430−2.3% | Reduced |
| Glenmede Investment Management, LP | 18,754 | $12.0M | 0.06% | −1,124−5.7% | Reduced |
| Nicola Wealth Management Ltd. | 18,800 | $12.0M | 1.07% | −16,000−46.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 19,212 | $12.3M | 0.06% | −512−2.6% | Reduced |
| Mariner, LLC | 19,303 | $12.3M | 0.02% | +636+3.4% | Added |
| State of Tennessee, Treasury Department | 19,472 | $12.4M | 0.04% | −18,839−49.2% | Reduced |
| Pathstone Holdings, LLC | 19,834 | $12.7M | 0.05% | +350+1.8% | Added |
| Guggenheim Capital LLC | 19,940 | $12.7M | 0.09% | −1,229−5.8% | Reduced |
| Jacobson & Schmitt Advisors, LLC | 20,105 | $12.8M | 2.20% | −6,794−25.3% | Reduced |
| Czech National Bank | 20,320 | $13.0M | 0.09% | +663+3.4% | Added |
| Progressive Investment Management Corp | 20,460 | $13.1M | 3.18% | −208−1.0% | Reduced |
| Jefferies Financial Group Inc. | 20,465 | $13.1M | 0.12% | −1,173−5.4% | Reduced |
| First Citizens Bank & Trust Co | 20,528 | $13.1M | 0.28% | +677+3.4% | Added |
| Keybank National Association | 20,810 | $13.3M | 0.05% | +16,825+422.2% | Added |
| Nissay Asset Management Corp | 20,984 | $13.4M | 0.07% | +206+1.0% | Added |
| Envestnet Portfolio Solutions, Inc. | 21,095 | $13.5M | 0.05% | −1,349−6.0% | Reduced |
| Cerity Partners LLC | 21,295 | $13.6M | 0.02% | +125+0.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 21,949 | $14.0M | 0.06% | −1,386−5.9% | Reduced |
| O'Shaughnessy Asset Management, LLC | 21,987 | $14.0M | 0.08% | +11,813+116.1% | Added |
| HM Payson & Co | 22,145 | $14.1M | 0.20% | +545+2.5% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 22,418 | $14.3M | 0.03% | +780+3.6% | Added |
| Cetera Investment Advisers | 22,434 | $14.3M | 0.02% | +1,791+8.7% | Added |
| Susquehanna International Group, LLP | 22,521 | $14.4M | 0.02% | +2,934+15.0% | Added |
| Man Group plc | 22,546 | $14.4M | 0.03% | −37,292−62.3% | Reduced |
| Truist Financial Corp | 22,591 | $14.4M | 0.02% | −3,863−14.6% | Reduced |
| Storebrand Asset Management AS | 22,731 | $14.5M | 0.04% | +2,851+14.3% | Added |
| Candriam Luxembourg S.C.A. | 22,975 | $14.7M | 0.08% | −56,053−70.9% | Reduced |
| Daiwa Securities Group Inc. | 23,150 | $14.8M | 0.05% | +1,852+8.7% | Added |
| Lyell Wealth Management, LP | 23,177 | $14.8M | 1.10% | +35+0.2% | Added |
| Xponance, Inc. | 23,489 | $15.0M | 0.12% | −153−0.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 23,592 | $15.1M | 0.13% | −1,900−7.5% | Reduced |
| MetLife Investment Management | 23,686 | $15.1M | 0.07% | −486−2.0% | Reduced |
| Arizona State Retirement System | 23,731 | $15.2M | 0.08% | +68+0.3% | Added |
| Van Eck Associates Corp | 24,101 | $15.4M | 0.01% | +237+1.0% | Added |
| Woodstock Corp | 24,223 | $15.5M | 1.34% | −155−0.6% | Reduced |
| Cobblestone Capital Advisors LLC | 24,765 | $15.8M | 0.76% | −58−0.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 25,778 | $16.2M | 0.02% | +152+0.6% | Added |
| Resona Asset Management Co.,Ltd. | 26,384 | $16.8M | 0.08% | −1,695−6.0% | Reduced |
| AMF Pensionsforsakring AB | 26,417 | $16.9M | 0.11% | +2,092+8.6% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 26,459 | $16.9M | 0.09% | +963+3.8% | Added |
| Swiss Life Asset Management Ltd | 26,540 | $17.0M | 0.09% | +5,081+23.7% | Added |
| Fred Alger Management, LLC | 27,075 | $17.3M | 0.07% | +10,236+60.8% | Added |
| Comerica Bank | 27,132 | $17.3M | 0.07% | +8,028+42.0% | Added |
| F/M Investments LLC | 27,215 | $17.4M | 0.67% | −96−0.4% | Reduced |
| Kames Capital plc | 27,315 | $17.4M | 0.21% | −20,993−43.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 27,445 | $17.5M | 0.14% | +6,832+33.1% | Added |
| Rafferty Asset Management, LLC | 27,541 | $17.6M | 0.06% | −3,443−11.1% | Reduced |
| Citadel Advisors LLC | 27,576 | $17.6M | 0.01% | −15,806−36.4% | Reduced |
| Boston Family Office LLC | 27,667 | $17.7M | 1.12% | −260−0.9% | Reduced |
| HighTower Advisors, LLC | 27,719 | $17.7M | 0.02% | −4,259−13.3% | Reduced |
| State of New Jersey Common Pension Fund D | 28,308 | $18.1M | 0.07% | +857+3.1% | Added |
| Hantz Financial Services, Inc. | 28,765 | $18.4M | 0.28% | −3,876−11.9% | Reduced |
| GW&K Investment Management, LLC | 29,109 | $18.6M | 0.16% | −5,572−16.1% | Reduced |
| Public Employees Retirement System of Ohio | 29,360 | $18.8M | 0.06% | +1,644+5.9% | Added |
| CIBC Asset Management Inc | 29,544 | $18.9M | 0.05% | +190+0.6% | Added |
| Andra AP-fonden | 29,900 | $19.1M | 0.24% | +25,177+533.1% | Added |
| Brasada Capital Management, LP | 30,285 | $19.2M | 3.26% | −1,894−5.9% | Reduced |
| NEOS Investment Management LLC | 30,051 | $19.2M | 0.14% | +13,599+82.7% | Added |
| Oppenheimer Asset Management Inc. | 30,170 | $19.3M | 0.21% | −3,458−10.3% | Reduced |
| Mn Services Vermogensbeheer B.V. | 30,660 | $19.6M | 0.13% | +400+1.3% | Added |
| Spence Asset Management | 31,141 | $19.9M | 4.16% | −14,604−31.9% | Reduced |
| Bourne Lent Asset Management Inc | 31,404 | $20.1M | 7.13% | −193−0.6% | Reduced |
| State of Michigan Retirement System | 31,955 | $20.4M | 0.10% | −8,800−21.6% | Reduced |
| Azimuth Capital Investment Management LLC | 31,962 | $20.4M | 0.73% | +8,212+34.6% | Added |