Security record · archived quarter
IDXX
IDEXX Laboratories, Inc. · Healthcare · Medical - Diagnostics & Research
170Tracked holders
+1Δ holders
53.67MShares held
$30.16BReported value
+5New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +0.6% ·
share flow +0.3% ·
net new positions 0.0%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 7 | 0 | 471.56K | $245.77M | n/a | n/a |
| Q2 2026 | 168 | 0 | 55.55M | $29.26B | +7 | −6 |
| Q1 2026 | 170 | +1 | 53.67M | $30.16B | +5 | −5 |
| Q4 2025 | 168 | +2 | 58.18M | $39.32B | +3 | n/a |
| Q3 2025 | 21 | +1 | 29.88M | $19.09B | +1 | −1 |
| Q2 2025 | 18 | 0 | 26.38M | $14.14B | +1 | −1 |
| Q1 2025 | 15 | -2 | 9.43M | $3.96B | n/a | −2 |
| Q4 2024 | 17 | -1 | 9.47M | $3.92B | n/a | −1 |
| Q3 2024 | 17 | +1 | 5.70M | $2.88B | +1 | n/a |
| Q2 2024 | 16 | n/a | 5.12M | $2.49B | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 8.37M | -2.0% | $4.70B | 0.1% | ▼ Trim | 4 | SEC ↗ ×22 |
| 2 | Vanguard Capital Management Llc | 5.18M | n/a | $2.91B | 0.1% | n/c | 1 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 3.67M | +0.5% | $2.06B | 0.1% | ▲ Add | 6 | SEC ↗ |
| 4 | Invesco Ltd. | 3.35M | +1.6% | $1.88B | 0.2% | ▲ Add | 2 | SEC ↗ ×23 |
| 5 | Geode Capital Management ✦ (passive) | 2.66M | +3.0% | $1.50B | 0.1% | ▲ Add | 8 | SEC ↗ ×2 |
| 6 | Bamco Inc /Ny/ | 1.63M | -9.2% | $917.77M | 2.8% | ▼ Trim | 2 | SEC ↗ |
| 7 | Bank of New York Mellon Corp | 1.50M | -7.4% | $845.38M | 0.2% | ▼ Trim | 2 | SEC ↗ ×28 |
| 8 | Morgan Stanley ✦ | 1.32M | -15.3% | $739.42M | 0.0% | ▼ Trim | 3 | SEC ↗ ×21 |
| 9 | Blair William & Co/Il | 946.34K | -5.5% | $531.74M | 1.5% | ▼ Trim | 2 | SEC ↗ |
| 10 | Northern Trust Corp | 911.89K | -1.2% | $512.38M | 0.1% | ▼ Trim | 2 | SEC ↗ ×10 |
| 11 | Principal Financial Group Inc | 881.19K | -9.1% | $495.16M | 0.3% | ▼ Trim | 2 | SEC ↗ ×4 |
| 12 | UBS AM, a distinct business unit of… | 871.79K | +1.4% | $489.85M | 0.1% | ▲ Add | 2 | SEC ↗ ×12 |
| 13 | Arrowstreet Capital ✦ | 838.84K | +52.4% | $471.34M | 0.3% | ▲ Add | 8 | SEC ↗ |
| 14 | Capital Research Global Investors | 781.35K | +28.6% | $439.01M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 15 | JPMorgan Chase ✦ | 779.88K | +15.8% | $434.46M | 0.0% | ▲ Add | 3 | SEC ↗ ×16 |
| 16 | Wellington Management ✦ | 735.48K | -5.6% | $413.26M | 0.1% | ▼ Trim | 8 | SEC ↗ ×7 |
| 17 | Goldman Sachs Group ✦ | 716.92K | -13.8% | $402.83M | 0.1% | ▼ Trim | 3 | SEC ↗ ×5 |
| 18 | Franklin Resources Inc | 662.63K | +5.7% | $372.33M | 0.1% | ▲ Add | 2 | SEC ↗ ×14 |
| 19 | Legal & General Group Plc | 650.80K | -3.0% | $365.68M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 20 | T. Rowe Price ✦ | 638.06K | -33.0% | $358.52M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 21 | Amundi | 610.78K | -1.3% | $343.19M | 0.1% | ▼ Trim | 2 | SEC ↗ ×6 |
| 22 | Charles Schwab Investment… | 610.22K | +3.4% | $342.87M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 23 | American Century Companies Inc | 599.93K | -4.6% | $337.10M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 24 | Dimensional Fund Advisors Lp | 573.33K | +4.3% | $322.14M | 0.1% | ▲ Add | 2 | SEC ↗ ×5 |
| 25 | Capital World Investors ✦ | 497.85K | New | $279.74M | 0.0% | New | 1 | SEC ↗ |
| 26 | Bank Of America Corp /De/ | 488.02K | +0.1% | $274.21M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 27 | Nuveen, LLC | 445.80K | -4.4% | $250.49M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 28 | Nomura Asset Management… | 399.38K | -7.6% | $224.41M | 0.4% | ▼ Trim | 2 | SEC ↗ ×2 |
| 29 | Royal Bank Of Canada | 391.70K | -1.7% | $220.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 30 | Deutsche Bank Ag\ | 388.81K | +8.8% | $218.47M | 0.1% | ▲ Add | 2 | SEC ↗ ×7 |
| 31 | CIBC Bancorp USA Inc. | 367.50K | n/a | $206.50M | 0.3% | n/c | 1 | SEC ↗ ×3 |
| 32 | Neuberger Berman Group LLC | 349.71K | +27.3% | $196.50M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 33 | Clearbridge Investments, LLC | 308.48K | +5.3% | $173.33M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 34 | UBS Group AG | 305.17K | +7.1% | $171.47M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 35 | Pictet Asset Management Holding SA | 287.94K | +67.2% | $161.76M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 36 | Fidelity (FMR) ✦ | 282.98K | +12.6% | $159.00M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 37 | Raymond James Financial Inc | 272.95K | +6.5% | $152.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 38 | Caisse De Depot Et Placement Du… | 263.05K | +5.8% | $147.81M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 39 | Td Asset Management Inc | 236.53K | -11.7% | $132.90M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 40 | First Trust Advisors Lp | 234.65K | -0.6% | $131.85M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 41 | Swiss National Bank | 234.38K | +6.9% | $131.70M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 42 | Wells Fargo & Company/Mn | 208.85K | +1.6% | $117.35M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 43 | Allianz Asset Management GmbH | 207.40K | -4.0% | $116.54M | 0.1% | ▼ Trim | 2 | SEC ↗ ×6 |
| 44 | Alyeska Investment Group, L.P. | 203.27K | New | $114.22M | 0.3% | New | 1 | SEC ↗ |
| 45 | Russell Investments Group, Ltd. | 201.69K | +4.0% | $113.17M | 0.1% | ▲ Add | 2 | SEC ↗ ×15 |
| 46 | Sumitomo Mitsui Trust Group, Inc. | 197.87K | -5.4% | $111.18M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 47 | Robeco Institutional Asset… | 189.76K | +1.9% | $106.62M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 48 | Mitsubishi UFJ Asset Management… | 189.02K | +2.6% | $106.21M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 49 | Schroder Investment Management Group | 188.12K | n/a | $105.71M | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 50 | Barclays Plc | 187.72K | -11.2% | $105.48M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 51 | Victory Capital Management Inc | 183.24K | -10.8% | $102.96M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 52 | Envestnet Asset Management Inc | 183.10K | +1.8% | $102.88M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Rhumbline Advisers | 173.73K | +0.1% | $97.62M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 54 | Hsbc Holdings Plc | 166.25K | -47.9% | $93.35M | 0.1% | ▼ Trim | 2 | SEC ↗ ×9 |
| 55 | Federated Hermes, Inc. | 156.68K | +11.7% | $88.03M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 56 | California Public Employees… | 156.53K | -3.7% | $87.95M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 57 | Holocene Advisors, LP | 147.73K | +223.1% | $83.01M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 58 | Bnp Paribas Financial Markets | 138.73K | -35.0% | $77.95M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 59 | Ameriprise Financial Inc | 134.30K | -24.1% | $75.45M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 60 | Healthcare Of Ontario Pension Plan… | 133.89K | +37.2% | $75.23M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 61 | Point72 Asset Management ✦ | 129.28K | +1053.9% | $72.64M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 62 | California State Teachers… | 122.65K | -2.2% | $68.92M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 63 | ProShare Advisors LLC | 122.62K | -16.8% | $68.90M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 64 | National Pension Service | 122.42K | +15.1% | $68.79M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 65 | Corient Private Wealth LP | 122.01K | -59.2% | $68.50M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 66 | Bank Julius Baer & Co. Ltd, Zurich | 121.52K | -47.6% | $68.13M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 67 | Citigroup Inc | 120.28K | +2.8% | $67.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 68 | Bank Of Montreal /Can/ | 118.19K | -11.7% | $66.41M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 69 | Universal- Beteiligungs- und… | 115.58K | +1.2% | $64.93M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 70 | Alliancebernstein L.P. | 94.48K | -4.9% | $63.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | BNP Paribas Asset Management… | 113.49K | +3.3% | $63.77M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 72 | Brown Advisory Inc | 108.05K | +0.4% | $60.71M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 73 | Kayne Anderson Rudnick Investment… | 100.84K | -10.8% | $56.66M | 0.2% | ▼ Trim | 2 | SEC ↗ ×2 |
| 74 | Squarepoint Ops LLC | 100.31K | +74.7% | $56.36M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 75 | Quantinno Capital Management LP | 99.79K | +81.7% | $56.07M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 76 | AQR Capital Management ✦ | 96.73K | -15.7% | $53.76M | 0.0% | ▼ Trim | 8 | SEC ↗ ×8 |
| 77 | Sei Investments Co | 94.49K | -30.5% | $53.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 78 | Voya Investment Management Llc | 93.99K | -19.8% | $52.81M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 79 | Aberdeen Group plc | 93.30K | +3.7% | $52.42M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 80 | Citadel Advisors ✦ | 87.57K | +390.8% | $49.20M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 81 | Assenagon Asset Management S.A. | 85.83K | +13.5% | $48.23M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 82 | Qube Research & Technologies Ltd | 85.65K | +462.8% | $48.13M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 83 | Mitsubishi UFJ Trust & Banking Corp | 85.36K | +17.9% | $47.96M | 0.1% | ▲ Add | 2 | SEC ↗ ×3 |
| 84 | Baird Financial Group, Inc. | 82.53K | +64.6% | $46.38M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 85 | Canada Pension Plan Investment Board | 81.40K | -55.9% | $45.74M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Gotham Asset Management ✦ | 80.48K | +34.7% | $45.22M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 87 | Aviva Plc | 73.68K | +2.8% | $41.40M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 88 | State Board Of Administration Of… | 71.56K | -2.2% | $40.21M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 89 | Millennium Management ✦ | 70.45K | +1930.1% | $39.58M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 90 | National Bank Of Canada /Fi/ | 69.89K | +28.7% | $39.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 91 | Prudential Financial Inc | 69.69K | -56.1% | $39.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 92 | Adage Capital Partners ✦ | 68.30K | +31.2% | $38.38M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 93 | Focus Partners Wealth | 60.19K | -2.0% | $33.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 56.06K | +2.5% | $31.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 95 | Asset Management One Co., Ltd. | 53.89K | -1.4% | $30.28M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 96 | Rockefeller Capital Management L.P. | 52.19K | -1.7% | $29.33M | 0.1% | ▼ Trim | 2 | SEC ↗ ×5 |
| 97 | State Of Wisconsin Investment Board | 51.38K | -0.6% | $28.87M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 98 | Royal London Asset Management Ltd | 51.03K | -43.4% | $28.67M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 99 | Assetmark, Inc | 50.82K | -3.7% | $28.56M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 100 | Marshall Wace ✦ | 49.30K | +3917.5% | $27.70M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Capital World Investors | $279.74M | 0.0% |
| Alyeska Investment Group, L.P. | $114.22M | 0.3% |
Exited
| Norges Bank | $332.26M | was 0.0% |
| Nomura Holdings Inc | $11.78M | was 0.0% |
| Group One Trading Llc | $4.20M | was 0.1% |
| Walleye Trading LLC | $1.27M | was 0.0% |
| Financial Engines Advisors… | $253,699 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,302 holders, 70.72M shares, $38.50B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 04
Kingsley Lawrence D
Director · 2.20K sh · $1.17M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
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