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 2025
Institutional positions in IDEXX Laboratories Inc as of Jun 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
- 1,234
- +104 vs. Q1 2025
- Shares held
- 74.5M
- +503.9K (+0.7%) vs. Q1 2025
- Total value
- $40.0B
- +$8.90B (+28.6%) vs. Q1 2025
- New holders
- 198
- 425 more added
- Sold out
- 94
- 419 more reduced
13 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 9,875,985 | $5.30B | 0.09% | +20,048+0.2% | Added |
| BlackRock, Inc. | 8,373,982 | $4.49B | 0.09% | −329,092−3.8% | Reduced |
| State Street Corp | 3,554,424 | $1.91B | 0.07% | −95,454−2.6% | Reduced |
| Fundsmith LLPSuperinvestorFundsmith | 2,639,289 | $1.42B | 6.15% | −9,042−0.3% | Reduced |
| Geode Capital Management, LLC | 2,464,290 | $1.32B | 0.09% | +54,402+2.3% | Added |
| Bamco Inc | 2,032,620 | $1.09B | 2.96% | −27,157−1.3% | Reduced |
| Morgan Stanley | 1,663,326 | $892.1M | 0.06% | +4,981+0.3% | Added |
| Bank of New York Mellon Corp | 1,451,390 | $778.4M | 0.15% | +884,808+156.2% | Added |
| Polen Capital Management LLC | 1,195,425 | $641.2M | 1.97% | +1,195,425 | New |
| Invesco Ltd. | 1,158,481 | $621.3M | 0.11% | −7,925−0.7% | Reduced |
| Principal Financial Group Inc | 1,127,755 | $604.9M | 0.32% | +1,753+0.2% | Added |
| Blair William & Co | 1,080,505 | $579.5M | 1.61% | −10,265−0.9% | Reduced |
| UBS Asset Management Americas Inc | 1,070,100 | $573.9M | 0.12% | −6,329−0.6% | Reduced |
| Northern Trust Corp | 957,091 | $513.3M | 0.07% | +52,024+5.7% | Added |
| American Century Companies Inc | 853,161 | $457.6M | 0.25% | −14,831−1.7% | Reduced |
| Fundsmith Investment Services Ltd. | 844,616 | $453.0M | 6.13% | −9,743−1.1% | Reduced |
| William Blair Investment Management, LLC | 685,088 | $367.4M | 0.98% | +47,977+7.5% | Added |
| Capital Research Global Investors | 684,960 | $367.4M | 0.07% | +17,156+2.6% | Added |
| Amundi | 675,672 | $366.7M | 0.13% | −47,439−6.6% | Reduced |
| Legal & General Group Plc | 648,626 | $347.9M | 0.09% | +11,768+1.8% | Added |
| Macquarie Group Ltd | 601,644 | $322.7M | 0.40% | −53,757−8.2% | Reduced |
| Franklin Resources Inc | 592,649 | $317.9M | 0.08% | +38,202+6.9% | Added |
| Goldman Sachs Group Inc | 589,052 | $315.9M | 0.05% | +99,842+20.4% | Added |
| Select Equity Group, L.P. | 573,713 | $307.7M | 1.31% | +109,767+23.7% | Added |
| Generation Investment Management LLP | 567,322 | $304.3M | 1.93% | +567,322 | New |
| Dimensional Fund Advisors LP | 557,186 | $298.8M | 0.07% | −8,322−1.5% | Reduced |
| Charles Schwab Investment Management Inc | 556,562 | $298.5M | 0.05% | +4,616+0.8% | Added |
| JPMorgan Chase & Co | 543,582 | $291.6M | 0.02% | +100,517+22.7% | Added |
| Price T Rowe Associates Inc | 536,101 | $287.5M | 0.03% | −1,452,811−73.0% | Reduced |
| Bank of America Corp | 494,154 | $265.0M | 0.02% | −56,133−10.2% | Reduced |
| Nuveen, LLC | 462,003 | $247.8M | 0.07% | +33,894+7.9% | Added |
| Capital Counsel LLC | 460,770 | $247.1M | 10.03% | −6,239−1.3% | Reduced |
| Montrusco Bolton Investments Inc. | 429,409 | $224.2M | 2.49% | +143,641+50.3% | Added |
| Norges Bank | 413,832 | $222.0M | 0.03% | +65,869+18.9% | Added |
| Vontobel Holding Ltd. | 413,534 | $221.8M | 0.73% | −43,087−9.4% | Reduced |
| Royal Bank of Canada | 408,252 | $219.0M | 0.04% | +68,564+20.2% | Added |
| Bessemer Group Inc | 381,828 | $204.8M | 0.33% | +41,766+12.3% | Added |
| CIBC Private Wealth Group, LLC | 374,745 | $201.0M | 0.36% | +271,193+261.9% | Added |
| UBS Group AG | 373,011 | $200.1M | 0.04% | −3,532−0.9% | Reduced |
| Neuberger Berman Group LLC | 350,987 | $188.2M | 0.14% | −64,154−15.5% | Reduced |
| Pictet Asset Management Holding SA | 330,361 | $177.1M | 0.18% | −126,005−27.6% | Reduced |
| TD Asset Management Inc | 329,511 | $176.7M | 0.15% | +35,798+12.2% | Added |
| Deutsche Bank AG | 329,017 | $176.5M | 0.07% | −31,260−8.7% | Reduced |
| Schroder Investment Management Group | 315,785 | $169.4M | 0.14% | +235,863+295.1% | Added |
| Barclays PLC | 305,180 | $163.7M | 0.06% | +25,509+9.1% | Added |
| Clearbridge Investments, LLC | 283,765 | $152.2M | 0.12% | −53,292−15.8% | Reduced |
| Williams Jones Wealth Management, LLC. | 277,488 | $148.8M | 1.78% | −17,850−6.0% | Reduced |
| FMR LLC | 269,882 | $144.7M | 0.01% | +15,918+6.3% | Added |
| First Trust Advisors LP | 254,553 | $136.5M | 0.11% | +35,526+16.2% | Added |
| Epoch Investment Partners, Inc. | 250,591 | $134.4M | 0.70% | +49,624+24.7% | Added |
| Swiss National Bank | 245,300 | $131.6M | 0.08% | +14,300+6.2% | Added |
| Comgest Global Investors S.A.S. | 244,109 | $130.9M | 2.23% | −1,192−0.5% | Reduced |
| Flossbach Von Storch AG | 241,125 | $129.3M | 0.53% | −310,639−56.3% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 233,263 | $125.1M | 0.37% | −3,648−1.5% | Reduced |
| Envestnet Asset Management Inc | 230,911 | $123.8M | 0.04% | +69,082+42.7% | Added |
| HSBC Holdings PLC | 224,150 | $120.2M | 0.08% | −123,463−35.5% | Reduced |
| AQR Capital Management LLC | 223,319 | $118.7M | 0.10% | +47,534+27.0% | Added |
| Ameriprise Financial Inc | 215,845 | $115.8M | 0.03% | +81,904+61.1% | Added |
| Seilern Investment Management Ltd | 212,176 | $113.8M | 7.51% | −53,773−20.2% | Reduced |
| Raymond James Financial Inc | 210,773 | $113.0M | 0.04% | +17,517+9.1% | Added |
| Robeco Institutional Asset Management B.V. | 207,228 | $111.1M | 0.18% | +58,991+39.8% | Added |
| Arrowstreet Capital, Limited Partnership | 206,137 | $110.6M | 0.08% | +15,227+8.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 201,918 | $108.3M | 0.07% | +2,528+1.3% | Added |
| TimesSquare Capital Management, LLC | 201,276 | $108.0M | 1.56% | +3,530+1.8% | Added |
| Champlain Investment Partners, LLC | 192,226 | $103.1M | 0.72% | −32,379−14.4% | Reduced |
| American Capital Management Inc | 189,000 | $101.4M | 4.20% | −32,606−14.7% | Reduced |
| Wellington Management Group LLP | 188,173 | $100.9M | 0.02% | −31,400−14.3% | Reduced |
| Victory Capital Management Inc | 184,581 | $99.0M | 0.06% | +4,416+2.5% | Added |
| Russell Investments Group, Ltd. | 182,365 | $97.8M | 0.12% | +527+0.3% | Added |
| Caisse de Depot Et Placement du Quebec | 181,095 | $97.1M | 0.21% | +13,121+7.8% | Added |
| Rhumbline Advisers | 179,518 | $96.3M | 0.08% | −3,677−2.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 177,169 | $95.0M | 0.08% | +6,337+3.7% | Added |
| Liontrust Investment Partners LLP | 175,580 | $94.2M | 1.35% | −12,049−6.4% | Reduced |
| BNP Paribas Arbitrage, SA | 174,866 | $93.8M | 0.07% | −223,287−56.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 173,327 | $93.0M | 0.16% | +23,029+15.3% | Added |
| Squarepoint Ops LLC | 172,601 | $92.6M | 0.20% | +131,001+314.9% | Added |
| Wells Fargo & Company | 171,466 | $92.0M | 0.02% | +60,988+55.2% | Added |
| Welch & Forbes LLC | 169,017 | $90.7M | 1.13% | −829−0.5% | Reduced |
| Railway Pension Investments Ltd | 154,330 | $82.8M | 1.17% | −10,800−6.5% | Reduced |
| LGT Capital Partners Ltd. | 149,571 | $80.2M | 3.55% | −5,567−3.6% | Reduced |
| Mackenzie Financial Corp | 149,522 | $80.2M | 0.10% | +1,199+0.8% | Added |
| Voya Investment Management LLC | 148,692 | $79.7M | 0.08% | +83,110+126.7% | Added |
| California Public Employees Retirement System | 148,408 | $79.6M | 0.05% | +6,706+4.7% | Added |
| Premier Fund Managers Ltd | 146,128 | $77.6M | 2.83% | +115,351+374.8% | Added |
| Rathbone Brothers plc | 137,219 | $73.6M | 0.32% | −6,549−4.6% | Reduced |
| Citigroup Inc | 136,782 | $73.4M | 0.05% | +4,546+3.4% | Added |
| ProShare Advisors LLC | 135,564 | $72.7M | 0.15% | +530.0% | Added |
| Fiera Capital Corp | 134,098 | $71.9M | 0.24% | −3,490−2.5% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 131,683 | $70.6M | 0.62% | −2,092−1.6% | Reduced |
| California State Teachers Retirement System | 128,836 | $69.1M | 0.08% | +2,742+2.2% | Added |
| Allianz Asset Management GmbH | 126,290 | $67.7M | 0.09% | −11,874−8.6% | Reduced |
| EULAV Asset Management | 126,217 | $67.7M | 1.59% | +20.0% | Added |
| Bank of Montreal | 121,101 | $65.0M | 0.03% | +21,132+21.1% | Added |
| SEI Investments Co | 120,587 | $64.7M | 0.07% | +56,692+88.7% | Added |
| CI Private Wealth, LLC | 117,474 | $63.0M | 0.09% | −3,030−2.5% | Reduced |
| Two Creeks Capital Management, LP | 114,459 | $61.4M | 4.08% | −45,795−28.6% | Reduced |
| National Pension Service | 114,378 | $61.3M | 0.05% | −12,022−9.5% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 111,016 | $59.5M | 0.14% | −8,171−6.9% | Reduced |
| Frontier Capital Management Co LLC | 109,065 | $58.5M | 0.54% | −6,851−5.9% | Reduced |
| Alliancebernstein L.P. | 108,798 | $58.4M | 0.02% | −73,094−40.2% | Reduced |