Security record · archived quarter
IDXX
IDEXX Laboratories, Inc. · Healthcare · Medical - Diagnostics & Research
168Tracked holders
+2Δ holders
58.18MShares held
$39.32BReported value
+3New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.2% ·
share flow +1.2% ·
net new positions +1.8%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 9.95M | -0.2% | $6.73B | 0.1% | ▼ Trim | 3 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 8.53M | +4.0% | $5.77B | 0.1% | ▲ Add | 3 | SEC ↗ ×22 |
| 3 | State Street Global Advisors ✦ (passive) | 3.66M | +4.0% | $2.47B | 0.1% | ▲ Add | 5 | SEC ↗ |
| 4 | Invesco Ltd. | 3.30M | n/a | $2.23B | 0.2% | n/c | 1 | SEC ↗ ×23 |
| 5 | Geode Capital Management ✦ (passive) | 2.58M | +3.5% | $1.75B | 0.1% | ▲ Add | 7 | SEC ↗ ×2 |
| 6 | Bamco Inc /Ny/ | 1.80M | n/a | $1.22B | 3.3% | n/c | 1 | SEC ↗ |
| 7 | Bank of New York Mellon Corp | 1.62M | n/a | $1.10B | 0.2% | n/c | 1 | SEC ↗ ×28 |
| 8 | Morgan Stanley ✦ | 1.55M | -4.2% | $1.05B | 0.1% | ▼ Trim | 2 | SEC ↗ ×22 |
| 9 | Blair William & Co/Il | 1.00M | n/a | $677.46M | 1.8% | n/c | 1 | SEC ↗ ×2 |
| 10 | Principal Financial Group Inc | 968.95K | n/a | $655.56M | 0.3% | n/c | 1 | SEC ↗ ×4 |
| 11 | T. Rowe Price ✦ | 952.22K | +37.2% | $644.21M | 0.1% | ▲ Add | 7 | SEC ↗ ×2 |
| 12 | Northern Trust Corp | 923.15K | n/a | $624.54M | 0.1% | n/c | 1 | SEC ↗ ×10 |
| 13 | UBS AM, a distinct business unit of… | 859.89K | n/a | $581.74M | 0.1% | n/c | 1 | SEC ↗ ×12 |
| 14 | Goldman Sachs Group ✦ | 832.19K | +16.9% | $563.00M | 0.1% | ▲ Add | 2 | SEC ↗ ×6 |
| 15 | Wellington Management ✦ | 779.21K | +318.1% | $527.16M | 0.1% | ▲ Add | 7 | SEC ↗ ×7 |
| 16 | JPMorgan Chase ✦ | 673.23K | -61.3% | $455.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×13 |
| 17 | Legal & General Group Plc | 670.61K | n/a | $453.69M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 18 | American Century Companies Inc | 628.93K | n/a | $425.49M | 0.2% | n/c | 1 | SEC ↗ |
| 19 | Franklin Resources Inc | 627.16K | n/a | $424.29M | 0.1% | n/c | 1 | SEC ↗ ×14 |
| 20 | Amundi | 618.74K | n/a | $418.60M | 0.1% | n/c | 1 | SEC ↗ ×6 |
| 21 | Capital Research Global Investors | 607.75K | n/a | $411.16M | 0.1% | n/c | 1 | SEC ↗ |
| 22 | Charles Schwab Investment… | 590.06K | n/a | $399.19M | 0.1% | n/c | 1 | SEC ↗ |
| 23 | Arrowstreet Capital ✦ | 550.37K | +197.3% | $372.34M | 0.2% | ▲ Add | 7 | SEC ↗ |
| 24 | Dimensional Fund Advisors Lp | 549.75K | n/a | $371.94M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 25 | Norges Bank ✦ (passive) | 491.13K | New | $332.26M | 0.0% | New | 1 | SEC ↗ |
| 26 | Bank Of America Corp /De/ | 487.36K | n/a | $329.71M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 27 | Nuveen, LLC | 466.13K | n/a | $315.35M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 28 | Nomura Asset Management… | 432.06K | n/a | $292.30M | 0.4% | n/c | 1 | SEC ↗ ×2 |
| 29 | Royal Bank Of Canada | 398.32K | n/a | $269.48M | 0.0% | n/c | 1 | SEC ↗ ×11 |
| 30 | Deutsche Bank Ag\ | 357.54K | n/a | $241.89M | 0.1% | n/c | 1 | SEC ↗ ×8 |
| 31 | Hsbc Holdings Plc | 319.27K | n/a | $216.11M | 0.1% | n/c | 1 | SEC ↗ ×22 |
| 32 | Clearbridge Investments, LLC | 292.95K | n/a | $198.19M | 0.2% | n/c | 1 | SEC ↗ |
| 33 | UBS Group AG | 284.95K | n/a | $192.78M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 34 | Neuberger Berman Group LLC | 274.80K | n/a | $185.91M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 35 | Td Asset Management Inc | 267.85K | n/a | $181.21M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 36 | Raymond James Financial Inc | 256.35K | n/a | $174.33M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 37 | Fidelity (FMR) ✦ | 251.41K | +7.9% | $170.08M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 38 | Caisse De Depot Et Placement Du… | 248.70K | n/a | $168.25M | 0.3% | n/c | 1 | SEC ↗ |
| 39 | First Trust Advisors Lp | 236.11K | n/a | $159.74M | 0.1% | n/c | 1 | SEC ↗ |
| 40 | Bank Julius Baer & Co. Ltd, Zurich | 231.81K | n/a | $157.14M | 0.4% | n/c | 1 | SEC ↗ |
| 41 | Corient Private Wealth LP | 299.21K | n/a | $155.35M | 0.1% | n/c | 1 | SEC ↗ ×5 |
| 42 | Swiss National Bank | 219.18K | n/a | $148.28M | 0.1% | n/c | 1 | SEC ↗ |
| 43 | Allianz Asset Management GmbH | 216.06K | n/a | $146.17M | 0.2% | n/c | 1 | SEC ↗ ×5 |
| 44 | Bnp Paribas Financial Markets | 213.56K | n/a | $144.48M | 0.1% | n/c | 1 | SEC ↗ |
| 45 | Barclays Plc | 211.44K | n/a | $143.04M | 0.1% | n/c | 1 | SEC ↗ ×4 |
| 46 | Sumitomo Mitsui Trust Group, Inc. | 209.11K | n/a | $141.47M | 0.1% | n/c | 1 | SEC ↗ |
| 47 | Wells Fargo & Company/Mn | 205.49K | n/a | $139.02M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 48 | Victory Capital Management Inc | 205.34K | n/a | $138.92M | 0.1% | n/c | 1 | SEC ↗ |
| 49 | Russell Investments Group, Ltd. | 194.00K | n/a | $131.40M | 0.1% | n/c | 1 | SEC ↗ ×16 |
| 50 | Robeco Institutional Asset… | 186.13K | n/a | $125.92M | 0.2% | n/c | 1 | SEC ↗ |
| 51 | Canada Pension Plan Investment Board | 184.45K | n/a | $124.78M | 0.1% | n/c | 1 | SEC ↗ |
| 52 | Mitsubishi UFJ Asset Management… | 184.17K | n/a | $123.39M | 0.1% | n/c | 1 | SEC ↗ |
| 53 | Envestnet Asset Management Inc | 179.90K | n/a | $121.71M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Ameriprise Financial Inc | 176.93K | n/a | $119.70M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 55 | Rhumbline Advisers | 173.47K | n/a | $117.36M | 0.1% | n/c | 1 | SEC ↗ |
| 56 | Pictet Asset Management Holding SA | 172.24K | n/a | $116.57M | 0.1% | n/c | 1 | SEC ↗ |
| 57 | California Public Employees… | 162.59K | n/a | $110.00M | 0.1% | n/c | 1 | SEC ↗ |
| 58 | Prudential Financial Inc | 158.62K | n/a | $107.31M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 59 | ProShare Advisors LLC | 147.33K | n/a | $99.67M | 0.2% | n/c | 1 | SEC ↗ |
| 60 | Federated Hermes, Inc. | 140.28K | n/a | $94.90M | 0.2% | n/c | 1 | SEC ↗ ×3 |
| 61 | Sei Investments Co | 135.88K | n/a | $91.93M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 62 | Bank Of Montreal /Can/ | 133.80K | n/a | $90.52M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 63 | California State Teachers… | 125.40K | n/a | $84.84M | 0.1% | n/c | 1 | SEC ↗ |
| 64 | Voya Investment Management Llc | 117.19K | n/a | $79.28M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 65 | Citigroup Inc | 117.01K | n/a | $79.16M | 0.1% | n/c | 1 | SEC ↗ ×4 |
| 66 | AQR Capital Management ✦ | 114.78K | -15.1% | $77.65M | 0.0% | ▼ Trim | 7 | SEC ↗ ×6 |
| 67 | Universal- Beteiligungs- und… | 114.15K | n/a | $77.43M | 0.1% | n/c | 1 | SEC ↗ |
| 68 | Kayne Anderson Rudnick Investment… | 113.11K | n/a | $76.52M | 0.2% | n/c | 1 | SEC ↗ ×2 |
| 69 | BNP Paribas Asset Management… | 109.86K | n/a | $74.34M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 70 | Brown Advisory Inc | 107.57K | n/a | $72.78M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 71 | National Pension Service | 106.34K | n/a | $71.94M | 0.1% | n/c | 1 | SEC ↗ |
| 72 | Alliancebernstein L.P. | 99.38K | n/a | $67.23M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Healthcare Of Ontario Pension Plan… | 97.61K | n/a | $66.04M | 0.1% | n/c | 1 | SEC ↗ |
| 74 | Royal London Asset Management Ltd | 90.15K | n/a | $60.99M | 0.1% | n/c | 1 | SEC ↗ |
| 75 | Aberdeen Group plc | 89.98K | n/a | $60.88M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 76 | Assenagon Asset Management S.A. | 75.61K | n/a | $51.15M | 0.1% | n/c | 1 | SEC ↗ |
| 77 | State Board Of Administration Of… | 73.17K | n/a | $49.50M | 0.1% | n/c | 1 | SEC ↗ |
| 78 | Mitsubishi UFJ Trust & Banking Corp | 72.41K | n/a | $48.98M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 79 | Aviva Plc | 71.66K | n/a | $48.48M | 0.1% | n/c | 1 | SEC ↗ |
| 80 | Focus Partners Wealth | 61.39K | n/a | $41.41M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Gotham Asset Management ✦ | 59.74K | +22.8% | $40.41M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 82 | Squarepoint Ops LLC | 57.42K | n/a | $38.85M | 0.1% | n/c | 1 | SEC ↗ |
| 83 | Manufacturers Life Insurance… | 57.12K | n/a | $38.71M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Korea Investment CORP | 56.16K | n/a | $37.99M | 0.1% | n/c | 1 | SEC ↗ |
| 85 | Asset Management One Co., Ltd. | 54.67K | n/a | $37.60M | 0.1% | n/c | 1 | SEC ↗ |
| 86 | Quantinno Capital Management LP | 54.92K | n/a | $37.15M | 0.1% | n/c | 1 | SEC ↗ |
| 87 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 54.72K | n/a | $37.02M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 88 | National Bank Of Canada /Fi/ | 54.30K | n/a | $36.73M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 89 | Rockefeller Capital Management L.P. | 53.11K | n/a | $35.93M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 90 | Assetmark, Inc | 52.77K | n/a | $35.70M | 0.1% | n/c | 1 | SEC ↗ |
| 91 | Adage Capital Partners ✦ | 52.05K | +45.9% | $35.21M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 92 | State Of Wisconsin Investment Board | 51.70K | n/a | $34.98M | 0.1% | n/c | 1 | SEC ↗ |
| 93 | PFA Pension, Forsikringsaktieselskab | 49.81K | n/a | $33.99M | 0.1% | n/c | 1 | SEC ↗ |
| 94 | Baird Financial Group, Inc. | 50.15K | n/a | $33.93M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 95 | Ensign Peak Advisors, Inc | 49.70K | n/a | $33.62M | 0.1% | n/c | 1 | SEC ↗ |
| 96 | New York State Common Retirement… | 48.34K | n/a | $32.70M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Mackenzie Financial Corp | 46.19K | n/a | $31.45M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Allspring Global Investments… | 46.53K | n/a | $31.17M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 99 | Holocene Advisors, LP | 45.72K | n/a | $30.93M | 0.1% | n/c | 1 | SEC ↗ |
| 100 | LPL Financial LLC | 45.64K | n/a | $30.87M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $332.26M | 0.0% |
Exited
| No tracked exits this quarter. |
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: Q4 2025 ·
Methodology ·
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