Funds holding IDEXX Laboratories Inc
981 funds declare a position · 273 ETFs and 708 other funds · 17.7B $· 1.4B SEK· 22.9M € · US45168D1046
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 401 | William Blair Growth Fund WILLIAM BLAIR FUNDS | 3,794 | 2.1M $ | 1.10 % | as of Mar 31, 2026 · Original filing |
| 402 | Invesco V.I. Health Care Fund AIM Variable Insurance Funds (Invesco Variable Insurance Funds) | 3,792 | 2.1M $ | 1.44 % | as of Mar 31, 2026 · Original filing |
| 403 | Biondo Focus Fund Northern Lights Fund Trust | 3,750 | 2.1M $ | 4.80 % | as of Mar 31, 2026 · Original filing |
| 404 | Alger Mid Cap Growth Portfolio ALGER PORTFOLIOS | 3,736 | 2.1M $ | 1.49 % | as of Mar 31, 2026 · Original filing |
| 405 | World Selection Index Fund Northern Funds | 3,718 | 2.1M $ | 0.11 % | as of Mar 31, 2026 · Original filing |
| 406 | ProShares UltraPro S&P500 ProShares Trust | 3,710 | 2.4M $ | 0.05 % | as of Feb 28, 2026 · Original filing |
| 407 | Strategic Equity Allocation Trust John Hancock Variable Insurance Trust | 3,686 | 2.1M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 408 | Polen Global Growth Fund FundVantage Trust | 3,677 | 2.1M $ | 1.44 % | as of Apr 30, 2026 · Original filing |
| 409 | Inspire 500 ETF Northern Lights Fund Trust IV | 3,672 | 2.4M $ | 0.34 % | as of Feb 28, 2026 · Original filing |
| 410 | VANGUARD U.S. QUALITY FACTOR ETF VANGUARD WELLINGTON FUND | 3,667 | 2.4M $ | 0.54 % | as of Feb 28, 2026 · Original filing |
| 411 | VOYA U.S. STOCK INDEX PORTFOLIO Voya Investors Trust | 3,661 | 2.1M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 412 | State Street(R) SPDR(R) MSCI USA StrategicFactors(SM) ETF SPDR SERIES TRUST | 3,642 | 2M $ | 0.14 % | as of Mar 31, 2026 · Original filing |
| 413 | AQR Large Cap Momentum Style Fund AQR Funds | 3,637 | 2M $ | 0.36 % | as of Mar 31, 2026 · Original filing |
| 414 | Multi-Manager Large Cap Growth Strategies Fund COLUMBIA FUNDS SERIES TRUST I | 3,637 | 2M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 415 | Inspire Capital Appreciation ETF Northern Lights Fund Trust IV | 3,627 | 2.4M $ | 2.69 % | as of Feb 28, 2026 · Original filing |
| 416 | Alger Mid Cap 40 ETF Alger ETF Trust | 3,627 | 2M $ | 1.72 % | as of Mar 31, 2026 · Original filing |
| 417 | Lord Abbett Global Equity Fund LORD ABBETT SECURITIES TRUST | 3,622 | 2M $ | 0.52 % | as of Apr 30, 2026 · Original filing |
| 418 | THRIVENT MID CAP GROWTH PORTFOLIO Thrivent Series Fund, Inc. | 3,595 | 2M $ | 2.55 % | as of Mar 31, 2026 · Original filing |
| 419 | Goldman Sachs ActiveBeta World Equity ETF Goldman Sachs ETF Trust | 3,592 | 2.4M $ | 0.15 % | as of Feb 28, 2026 · Original filing |
| 420 | ULTRANASDAQ-100 PROFUND ProFunds | 3,589 | 2M $ | 0.15 % | as of Apr 30, 2026 · Original filing |
| 421 | T. Rowe Price Total Equity Market Index Fund T. ROWE PRICE INDEX TRUST, INC. | 3,574 | 2M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 422 | Jensen Quality Mid Cap Fund Trust for Professional Managers | 3,570 | 2.3M $ | 1.90 % | as of Feb 28, 2026 · Original filing |
| 423 | BNY Mellon S&P 500 Index Fund BNY MELLON INDEX FUNDS, INC. | 3,503 | 2M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 424 | Franklin Global Equity Fund Legg Mason Partners Investment Trust | 3,500 | 2M $ | 0.33 % | as of Apr 30, 2026 · Original filing |
| 425 | First Trust Large Cap Growth AlphaDEX Fund First Trust Exchange-Traded AlphaDEX Fund | 3,498 | 2M $ | 0.15 % | as of Apr 30, 2026 · Original filing |
| 426 | U.S. Social Core Equity 2 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 3,495 | 2M $ | 0.08 % | as of Apr 30, 2026 · Original filing |
| 427 | Bridge Builder Tax Managed Small/Mid Cap Fund Bridge Builder Trust | 3,480 | 2M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 428 | AZL S&P 500 Index Fund Allianz Variable Insurance Products Trust | 3,460 | 1.9M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 429 | U.S. Strategic Equity Fund RUSSELL INVESTMENT FUNDS | 3,456 | 1.9M $ | 0.33 % | as of Mar 31, 2026 · Original filing |
| 430 | State Street(R) SPDR(R) S&P(R) 500 Fossil Fuel Reserves Free ETF SPDR SERIES TRUST | 3,451 | 1.9M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 431 | Congress Mid Cap Growth Fund Professionally Managed Portfolios | 3,440 | 1.9M $ | 0.50 % | as of Apr 30, 2026 · Original filing |
| 432 | Dimensional US Sustainability Core 1 ETF Dimensional ETF Trust | 3,424 | 1.9M $ | 0.09 % | as of Apr 30, 2026 · Original filing |
| 433 | iShares Dow Jones U.S. ETF iShares Trust | 3,409 | 1.9M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 434 | ClearBridge Variable Growth Portfolio Legg Mason Partners Variable Equity Trust | 3,400 | 1.9M $ | 1.46 % | as of Mar 31, 2026 · Original filing |
| 435 | Swedbank Robur Access USA Swedbank Robur Fonder AB | 3,362 | 18M SEK | 0.06 % | as of Mar 31, 2026 · Original filing |
| 436 | Columbia Variable Portfolio - Large Cap Index Fund Columbia Funds Variable Series Trust II | 3,307 | 1.9M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 437 | Boston Trust Midcap Fund Boston Trust Walden Funds | 3,305 | 1.9M $ | 0.99 % | as of Mar 31, 2026 · Original filing |
| 438 | LargeCap S&P 500 Index Account Principal Variable Contract Funds, Inc | 3,302 | 1.9M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 439 | ActivePassive U.S. Equity ETF Trust for Professional Managers | 3,296 | 2.2M $ | 0.10 % | as of Feb 28, 2026 · Original filing |
| 440 | NASDAQ-100(R) 2x Strategy Fund Rydex Dynamic Funds | 3,277 | 1.8M $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 441 | Calvert U.S. Mid Cap Core Responsible Index Fund Calvert Responsible Index Series, Inc. | 3,259 | 1.8M $ | 0.43 % | as of Mar 31, 2026 · Original filing |
| 442 | Virtus Terranova U.S. Quality Momentum ETF Virtus ETF Trust II | 3,253 | 1.8M $ | 0.77 % | as of Apr 30, 2026 · Original filing |
| 443 | The MidCap Growth Fund COMMERCE FUNDS | 3,225 | 1.8M $ | 1.40 % | as of Apr 30, 2026 · Original filing |
| 444 | Villere Balanced Fund Professionally Managed Portfolios | 3,195 | 2.1M $ | 2.23 % | as of Feb 28, 2026 · Original filing |
| 445 | MOA MID CAP VALUE FUND MoA Funds Corp | 3,184 | 1.8M $ | 0.97 % | as of Mar 31, 2026 · Original filing |
| 446 | ATM Large Cap Managed Volatility Portfolio EQ Advisors Trust | 3,171 | 1.8M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 447 | DWS Health and Wellness Fund DEUTSCHE DWS SECURITIES TRUST | 3,089 | 2M $ | 0.78 % | as of Feb 28, 2026 · Original filing |
| 448 | Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 3,085 | 2M $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 449 | NYLIM VP American Century Large Cap Equity Portfolio NEW YORK LIFE INVESTMENTS VP FUNDS TRUST | 3,058 | 1.7M $ | 0.54 % | as of Mar 31, 2026 · Original filing |
| 450 | NVIT BNY Mellon Dynamic U.S. Core Fund Nationwide Variable Insurance Trust | 3,044 | 1.7M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 451 | THRIVENT LARGE CAP INDEX PORTFOLIO Thrivent Series Fund, Inc. | 3,023 | 1.7M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 452 | Aggressive Investors 1 Fund Bridgeway Funds, Inc. | 3,000 | 1.7M $ | 0.83 % | as of Mar 31, 2026 · Original filing |
| 453 | Clearwater Core Equity Fund Clearwater Investment Trust | 2,935 | 1.6M $ | 0.12 % | as of Mar 31, 2026 · Original filing |
| 454 | VANGUARD U.S. MOMENTUM FACTOR ETF VANGUARD WELLINGTON FUND | 2,926 | 1.9M $ | 0.14 % | as of Feb 28, 2026 · Original filing |
| 455 | THRIVENT MODERATE ALLOCATION FUND Thrivent Mutual Funds | 2,903 | 1.6M $ | 0.04 % | as of Apr 30, 2026 · Original filing |
| 456 | Monthly Rebalance NASDAQ-100 2x Strategy Fund Rydex Series Funds | 2,894 | 1.6M $ | 0.20 % | as of Mar 31, 2026 · Original filing |
| 457 | PD Large-Cap Growth Index Portfolio PACIFIC SELECT FUND | 2,882 | 1.6M $ | 0.16 % | as of Mar 31, 2026 · Original filing |
| 458 | CVT Nasdaq-100 Index Portfolio Calvert Variable Trust, Inc. | 2,877 | 1.6M $ | 0.24 % | as of Mar 31, 2026 · Original filing |
| 459 | Dimensional US Core Equity 1 ETF Dimensional ETF Trust | 2,862 | 1.6M $ | 0.05 % | as of Apr 30, 2026 · Original filing |
| 460 | MM S&P 500 Index Fund MASSMUTUAL SELECT FUNDS | 2,861 | 1.6M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 461 | Buffalo Growth Fund Buffalo Funds | 2,856 | 1.6M $ | 0.99 % | as of Mar 31, 2026 · Original filing |
| 462 | EQ/Global Equity Managed Volatility Portfolio EQ Advisors Trust | 2,828 | 1.6M $ | 0.10 % | as of Mar 31, 2026 · Original filing |
| 463 | Tema S&P 500 Historical Weight ETF Strategy Tema ETF Trust | 2,807 | 1.8M $ | 0.23 % | as of Feb 28, 2026 · Original filing |
| 464 | SA Multi-Managed Mid Cap Growth Portfolio SEASONS SERIES TRUST | 2,802 | 1.6M $ | 1.09 % | as of Mar 31, 2026 · Original filing |
| 465 | Boston Trust Walden Midcap Fund Boston Trust Walden Funds | 2,760 | 1.6M $ | 0.99 % | as of Mar 31, 2026 · Original filing |
| 466 | SEI Enhanced U.S. Large Cap Quality Factor ETF SEI EXCHANGE TRADED FUNDS | 2,751 | 1.5M $ | 0.28 % | as of Mar 31, 2026 · Original filing |
| 467 | Goldman Sachs MarketBeta U.S. 1000 Equity ETF Goldman Sachs ETF Trust II | 2,676 | 1.8M $ | 0.08 % | as of Feb 28, 2026 · Original filing |
| 468 | iShares ESG MSCI USA Leaders ETF iShares Trust | 2,664 | 1.7M $ | 0.17 % | as of Feb 28, 2026 · Original filing |
| 469 | Domini Impact Equity Fund Domini Investment Trust | 2,659 | 1.5M $ | 0.13 % | as of Apr 30, 2026 · Original filing |
| 470 | T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | 2,621 | 1.5M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 471 | NYLI S&P 500 Index Fund NEW YORK LIFE INVESTMENTS FUNDS TRUST | 2,599 | 1.5M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 472 | SEI Enhanced U.S. Large Cap Momentum Factor ETF SEI EXCHANGE TRADED FUNDS | 2,573 | 1.4M $ | 0.12 % | as of Mar 31, 2026 · Original filing |
| 473 | Deutsche DWS Equity 500 Index Portfolio DEUTSCHE DWS EQUITY 500 INDEX PORTFOLIO | 2,571 | 1.4M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 474 | College Retirement Equities Fund - Global Equities Account College Retirement Equities Fund | 2,555 | 1.4M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 475 | SIIT LARGE CAP INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 2,544 | 1.7M $ | 0.09 % | as of Feb 28, 2026 · Original filing |
| 476 | LVIP Dimensional U.S. Core Equity 1 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 2,544 | 1.4M $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 477 | Invesco S&P 500 Revenue ETF Invesco Exchange-Traded Fund Trust II | 2,535 | 1.7M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 478 | U.S. Socially Responsible Fund VALIC Co I | 2,507 | 1.6M $ | 0.35 % | as of Feb 28, 2026 · Original filing |
| 479 | LargeCap Growth Fund I Principal Funds, Inc | 2,500 | 1.4M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 480 | Gotham Absolute Return Fund FundVantage Trust | 2,472 | 1.4M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 481 | Lannebo Marknad Global Lannebo Kapitalförvaltning AB | 2,460 | 13.2M SEK | 0.09 % | as of Mar 31, 2026 · Original filing |
| 482 | Nationwide S&P 500 Index Fund Nationwide Mutual Funds | 2,446 | 1.4M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 483 | ProShares Large Cap Core Plus ProShares Trust | 2,443 | 1.6M $ | 0.33 % | as of Feb 28, 2026 · Original filing |
| 484 | Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 2,434 | 1.4M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 485 | American Century Large Cap Equity ETF American Century ETF Trust | 2,431 | 1.6M $ | 0.58 % | as of Feb 28, 2026 · Original filing |
| 486 | SPP Generation 70-tal Storebrand Asset Management AS | 2,340 | 12.5M SEK | 0.04 % | as of Mar 31, 2026 · Original filing |
| 487 | Invesco S&P 500 QVM Multi-Factor ETF Invesco Exchange-Traded Fund Trust II | 2,331 | 1.5M $ | 0.10 % | as of Feb 28, 2026 · Original filing |
| 488 | U.S. Quality ESG Fund Northern Funds | 2,331 | 1.3M $ | 0.41 % | as of Mar 31, 2026 · Original filing |
| 489 | John Hancock Multifactor Large Cap ETF John Hancock Exchange-Traded Fund Trust | 2,315 | 1.3M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 490 | Storebrand Global All Countries Storebrand Asset Management AS | 2,272 | 12.2M SEK | 0.03 % | as of Mar 31, 2026 · Original filing |
| 491 | Avantis U.S. Large Cap Equity ETF American Century ETF Trust | 2,234 | 1.5M $ | 0.14 % | as of Feb 28, 2026 · Original filing |
| 492 | Lysa Global Equity Broad Lysa Fonder AB | 2,215 | 11.9M SEK | 0.06 % | as of Mar 31, 2026 · Original filing |
| 493 | State Street S&P 500 Index Fund SSGA FUNDS | 2,189 | 1.4M $ | 0.09 % | as of Feb 28, 2026 · Original filing |
| 494 | Wahed FTSE USA Shariah ETF Listed Funds Trust | 2,175 | 1.4M $ | 0.19 % | as of Feb 28, 2026 · Original filing |
| 495 | Six Circles U.S. Unconstrained Equity Fund SIX CIRCLES TRUST | 2,170 | 1.2M $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 496 | SFT Index 500 Fund Securian Funds Trust | 2,168 | 1.2M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 497 | AST Large-Cap Equity Portfolio Advanced Series Trust | 2,161 | 1.2M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 498 | Franklin U.S. Equity Index ETF Franklin Templeton ETF Trust | 2,156 | 1.2M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 499 | Calvert U.S. Large Cap Growth Responsible Index Fund Calvert Responsible Index Series, Inc. | 2,145 | 1.2M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 500 | Growth Opportunities Portfolio LORD ABBETT SERIES FUND INC | 2,130 | 1.2M $ | 1.87 % | as of Mar 31, 2026 · Original filing |
Institutional managers
1298 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 8,365,553 | 4.7B $ | as of Mar 31, 2026 |
| STATE STREET CORP | 3,674,185 | 2.1B $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 2,660,999 | 1.5B $ | as of Mar 31, 2026 |
| Invesco Ltd. | 1,678,556 | 943.2M $ | as of Mar 31, 2026 |
| BAMCO INC /NY/ | 1,633,367 | 917.8M $ | as of Mar 31, 2026 |
| Bank of New York Mellon Corp | 1,504,532 | 845.4M $ | as of Mar 31, 2026 |
| Fundsmith LLP | 1,465,786 | 823.6M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 1,315,954 | 739.4M $ | as of Mar 31, 2026 |
| BLAIR WILLIAM & CO/IL | 946,336 | 531.7M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 911,893 | 512.4M $ | as of Mar 31, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | 881,189 | 495.2M $ | as of Mar 31, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 871,789 | 489.8M $ | as of Mar 31, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 838,839 | 471.3M $ | as of Mar 31, 2026 |
| Capital Research Global Investors | 781,345 | 439M $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 779,882 | 434.5M $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 735,475 | 413.3M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 716,921 | 402.8M $ | as of Mar 31, 2026 |
| POLEN CAPITAL MANAGEMENT LLC | 695,811 | 391M $ | as of Mar 31, 2026 |
| FRANKLIN RESOURCES INC | 662,633 | 372.3M $ | as of Mar 31, 2026 |
| Legal & General Group Plc | 650,803 | 365.7M $ | as of Mar 31, 2026 |
| Amundi | 610,779 | 343.2M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 610,217 | 342.9M $ | as of Mar 31, 2026 |
| AMERICAN CENTURY COMPANIES INC | 599,931 | 337.1M $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 573,332 | 322.1M $ | as of Mar 31, 2026 |
| Capital World Investors | 497,851 | 279.7M $ | as of Mar 31, 2026 |