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 | |
|---|---|---|---|---|---|
| 101 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 45,694 | 30M $ | 0.13 % | as of Feb 28, 2026 · Original filing |
| 102 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 44,818 | 25.2M $ | 0.04 % | as of Mar 31, 2026 · Original filing |
| 103 | U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 43,772 | 24.5M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 104 | College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 42,690 | 24M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 105 | T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | 42,552 | 23.9M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 106 | VANGUARD FTSE SOCIAL INDEX FUND VANGUARD WORLD FUND | 41,674 | 27.4M $ | 0.11 % | as of Feb 28, 2026 · Original filing |
| 107 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 41,454 | 23.2M $ | 0.06 % | as of Apr 30, 2026 · Original filing |
| 108 | NEOS Nasdaq-100(R) High Income ETF NEOS ETF Trust | 41,125 | 23.1M $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 109 | iShares U.S. Healthcare ETF iShares Trust | 40,913 | 22.9M $ | 0.82 % | as of Apr 30, 2026 · Original filing |
| 110 | U.S. CORE EQUITY 1 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 40,087 | 22.5M $ | 0.06 % | as of Apr 30, 2026 · Original filing |
| 111 | JNL/Mellon Nasdaq 100 Index Fund JNL Series Trust | 39,552 | 22.2M $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 112 | LVIP T. Rowe Price Structured Mid-Cap Growth Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 39,224 | 22M $ | 1.69 % | as of Mar 31, 2026 · Original filing |
| 113 | VOYA MIDCAP OPPORTUNITIES PORTFOLIO Voya Variable Products Trust | 39,015 | 21.9M $ | 2.55 % | as of Mar 31, 2026 · Original filing |
| 114 | Invesco Large Cap Growth ETF Invesco Exchange-Traded Fund Trust | 38,758 | 21.7M $ | 1.14 % | as of Apr 30, 2026 · Original filing |
| 115 | JPMorgan U.S. Quality Factor ETF J.P. Morgan Exchange-Traded Fund Trust | 38,402 | 21.5M $ | 0.29 % | as of Apr 30, 2026 · Original filing |
| 116 | iShares Global Healthcare ETF iShares Trust | 38,388 | 21.6M $ | 0.60 % | as of Mar 31, 2026 · Original filing |
| 117 | VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 38,376 | 21.6M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 118 | iShares Morningstar Mid-Cap Growth ETF iShares Trust | 38,249 | 21.5M $ | 0.62 % | as of Apr 30, 2026 · Original filing |
| 119 | BNY Mellon Large Cap Securities Fund, Inc. BNY Mellon Large Cap Securities Fund, Inc. | 37,134 | 20.9M $ | 0.98 % | as of Mar 31, 2026 · Original filing |
| 120 | Fidelity MSCI Health Care Index ETF FIDELITY COVINGTON TRUST | 36,805 | 20.6M $ | 0.72 % | as of Apr 30, 2026 · Original filing |
| 121 | American Century U.S. Quality Growth ETF American Century ETF Trust | 36,403 | 23.9M $ | 1.08 % | as of Feb 28, 2026 · Original filing |
| 122 | College Retirement Equities Fund - S&P 500 Index Account College Retirement Equities Fund | 36,216 | 20.3M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 123 | iShares ESG Optimized MSCI USA ETF iShares Trust | 35,086 | 19.7M $ | 0.51 % | as of Apr 30, 2026 · Original filing |
| 124 | Invesco S&P 500 Pure Growth ETF Invesco Exchange-Traded Fund Trust | 34,844 | 19.5M $ | 1.03 % | as of Apr 30, 2026 · Original filing |
| 125 | Victory Nasdaq-100 Index Fund Victory Portfolios III | 34,186 | 19.2M $ | 0.22 % | as of Apr 30, 2026 · Original filing |
| 126 | JPMorgan Mid Cap Equity Fund JPMorgan Trust I | 33,170 | 18.6M $ | 0.33 % | as of Mar 31, 2026 · Original filing |
| 127 | Old Westbury All Cap Core Fund Old Westbury Funds Inc | 32,860 | 18.4M $ | 0.52 % | as of Apr 30, 2026 · Original filing |
| 128 | JNL/Mellon Healthcare Sector Fund JNL Series Trust | 32,852 | 18.5M $ | 0.72 % | as of Mar 31, 2026 · Original filing |
| 129 | ProShares Ultra QQQ ProShares Trust | 32,848 | 21.6M $ | 0.22 % | as of Feb 28, 2026 · Original filing |
| 130 | Global X NASDAQ 100 Covered Call ETF GLOBAL X FUNDS | 32,809 | 18.4M $ | 0.22 % | as of Apr 30, 2026 · Original filing |
| 131 | Invesco Global Opportunities Fund AIM International Mutual Funds (Invesco International Mutual Funds) | 32,786 | 18.4M $ | 0.81 % | as of Apr 30, 2026 · Original filing |
| 132 | Parnassus Mid Cap Growth Fund Parnassus Funds | 32,709 | 18.4M $ | 2.52 % | as of Mar 31, 2026 · Original filing |
| 133 | U.S. Large Cap Growth Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 31,439 | 17.6M $ | 0.41 % | as of Apr 30, 2026 · Original filing |
| 134 | Pacer US Large Cap Cash Cows Growth Leaders ETF Pacer Funds Trust | 31,302 | 17.6M $ | 0.81 % | as of Apr 30, 2026 · Original filing |
| 135 | iShares Paris-Aligned Climate Optimized MSCI USA ETF iShares Trust | 30,995 | 20.4M $ | 0.89 % | as of Feb 28, 2026 · Original filing |
| 136 | State Street Equity 500 Index II Portfolio STATE STREET INSTITUTIONAL INVESTMENT TRUST | 30,540 | 17.2M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 137 | Bridge Builder Small/Mid Cap Growth Fund Bridge Builder Trust | 30,215 | 17M $ | 0.18 % | as of Mar 31, 2026 · Original filing |
| 138 | Avantis U.S. Equity ETF American Century ETF Trust | 30,203 | 19.8M $ | 0.18 % | as of Feb 28, 2026 · Original filing |
| 139 | Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 30,017 | 19.7M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 140 | MID-CAP INDEX PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 27,509 | 15.5M $ | 0.49 % | as of Mar 31, 2026 · Original filing |
| 141 | VALUE LINE MID CAP FOCUSED FUND, INC. Value Line Mid Cap Focused Fund, Inc. | 27,000 | 15.2M $ | 1.13 % | as of Mar 31, 2026 · Original filing |
| 142 | VANGUARD TAX-MANAGED CAPITAL APPRECIATION FUND VANGUARD TAX-MANAGED FUNDS | 26,994 | 15.2M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 143 | Virtus KAR Mid-Cap Growth Fund Virtus Equity Trust | 26,808 | 15.1M $ | 3.46 % | as of Mar 31, 2026 · Original filing |
| 144 | Large Cap Equity Fund American Century Mutual Funds, Inc. | 26,534 | 14.9M $ | 0.48 % | as of Apr 30, 2026 · Original filing |
| 145 | Washington Mutual Investors Fund AMERICAN FUNDS INSURANCE SERIES | 26,049 | 14.6M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 146 | VY(R) T. ROWE PRICE DIVERSIFIED MID CAP GROWTH PORTFOLIO Voya Partners Inc | 25,589 | 14.4M $ | 1.69 % | as of Mar 31, 2026 · Original filing |
| 147 | iShares MSCI ACWI ETF iShares Trust | 25,543 | 14.3M $ | 0.05 % | as of Apr 30, 2026 · Original filing |
| 148 | Schwab 1000 Index Fund SCHWAB INVESTMENTS | 25,480 | 14.3M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 149 | VOYA MIDCAP OPPORTUNITIES FUND Voya Equity Trust | 25,330 | 16.6M $ | 2.57 % | as of Feb 28, 2026 · Original filing |
| 150 | Allspring Mid Cap Growth Fund ALLSPRING FUNDS TRUST | 25,253 | 14.2M $ | 2.48 % | as of Mar 31, 2026 · Original filing |
| 151 | VIP Index 500 Portfolio Variable Insurance Products Fund II | 25,201 | 14.2M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 152 | Stock Index Fund Northern Funds | 24,195 | 13.6M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 153 | Dimensional U.S. Equity Market ETF Dimensional ETF Trust | 23,994 | 13.5M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 154 | Baird Mid Cap Growth Fund Baird Funds Inc | 23,576 | 13.2M $ | 1.82 % | as of Mar 31, 2026 · Original filing |
| 155 | Invesco Health Care Fund AIM Investment Funds (Invesco Investment Funds) | 23,511 | 13.2M $ | 1.17 % | as of Apr 30, 2026 · Original filing |
| 156 | Victory RS Global Fund Victory Portfolios | 23,305 | 13.1M $ | 0.76 % | as of Mar 31, 2026 · Original filing |
| 157 | Franklin U.S. Mid Cap Multifactor Index ETF Franklin Templeton ETF Trust | 23,104 | 13M $ | 0.78 % | as of Mar 31, 2026 · Original filing |
| 158 | GROWTH PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 22,987 | 12.9M $ | 0.84 % | as of Mar 31, 2026 · Original filing |
| 159 | Nomura VIP Mid Cap Growth Series Ivy Variable Insurance Portfolios | 22,715 | 12.8M $ | 3.78 % | as of Mar 31, 2026 · Original filing |
| 160 | JNL/Mellon S&P 500 Index Fund JNL Series Trust | 22,682 | 12.7M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 161 | Nuveen Quant Mid Cap Growth Fund TIAA-CREF Funds | 22,452 | 12.6M $ | 1.84 % | as of Apr 30, 2026 · Original filing |
| 162 | Fidelity ZERO Large Cap Index Fund Fidelity Concord Street Trust | 22,166 | 12.4M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 163 | VY(R) BARON GROWTH PORTFOLIO Voya Partners Inc | 22,030 | 12.4M $ | 5.62 % | as of Mar 31, 2026 · Original filing |
| 164 | Lord Abbett Growth Opportunities Fund LORD ABBETT RESEARCH FUND INC | 21,849 | 14.3M $ | 2.09 % | as of Feb 28, 2026 · Original filing |
| 165 | iShares Russell 3000 ETF iShares Trust | 21,591 | 12.1M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 166 | Nuveen ESG Mid-Cap Growth ETF NuShares ETF Trust | 21,354 | 12M $ | 3.39 % | as of Apr 30, 2026 · Original filing |
| 167 | BNY Mellon Research Growth Fund, Inc. BNY MELLON RESEARCH GROWTH FUND, INC. | 21,346 | 14M $ | 0.88 % | as of Feb 28, 2026 · Original filing |
| 168 | Virtus KAR Capital Growth Fund Virtus Equity Trust | 20,895 | 11.7M $ | 2.07 % | as of Mar 31, 2026 · Original filing |
| 169 | Invesco S&P 500 Equal Weight Health Care ETF Invesco Exchange-Traded Fund Trust | 20,408 | 11.4M $ | 1.66 % | as of Apr 30, 2026 · Original filing |
| 170 | Mid Cap Growth Stock Portfolio NORTHWESTERN MUTUAL SERIES FUND INC | 20,224 | 11.4M $ | 1.18 % | as of Mar 31, 2026 · Original filing |
| 171 | Fidelity SAI U.S. Large Cap Index Fund Fidelity Salem Street Trust | 20,219 | 11.3M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 172 | Large Cap Equity Fund Weitz Funds | 20,000 | 11.2M $ | 1.80 % | as of Mar 31, 2026 · Original filing |
| 173 | iShares MSCI USA Quality GARP ETF iShares Trust | 19,739 | 11.1M $ | 0.81 % | as of Mar 31, 2026 · Original filing |
| 174 | Handelsbanken Global Index Criteria Handelsbanken Fonder AB | 19,693 | 105.4M SEK | 0.07 % | as of Mar 31, 2026 · Original filing |
| 175 | Frontier Mid Cap Growth Portfolio Brighthouse Funds Trust II | 19,108 | 10.7M $ | 1.13 % | as of Mar 31, 2026 · Original filing |
| 176 | Direxion NASDAQ-100 Equal Weighted Index Shares Direxion Shares ETF Trust | 18,971 | 10.6M $ | 0.88 % | as of Apr 30, 2026 · Original filing |
| 177 | SMI 3Fourteen Full-Cycle Trend ETF ETF Opportunities Trust | 18,813 | 10.6M $ | 4.98 % | as of Mar 31, 2026 · Original filing |
| 178 | Victory 500 Index Fund Victory Portfolios III | 18,696 | 10.5M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 179 | Invesco V.I. Discovery Mid Cap Growth Fund AIM Variable Insurance Funds (Invesco Variable Insurance Funds) | 18,514 | 10.4M $ | 1.52 % | as of Mar 31, 2026 · Original filing |
| 180 | Invesco Equally-Weighted S&P 500 Fund AIM Counselor Series Trust (Invesco Counselor Series Trust) | 18,302 | 12M $ | 0.17 % | as of Feb 28, 2026 · Original filing |
| 181 | Fidelity Nasdaq Composite Index ETF Fidelity Commonwealth Trust | 18,173 | 11.9M $ | 0.13 % | as of Feb 28, 2026 · Original filing |
| 182 | U.S. LARGE COMPANY PORTFOLIO DIMENSIONAL INVESTMENT GROUP INC | 18,086 | 10.1M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 183 | EQUITY INDEX PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 17,875 | 10M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 184 | VANGUARD ESG U.S. STOCK ETF VANGUARD WORLD FUND | 17,689 | 11.6M $ | 0.10 % | as of Feb 28, 2026 · Original filing |
| 185 | JPMorgan Equity Index Fund JPMorgan Trust II | 17,644 | 9.9M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 186 | Value Line Select Growth Fund, Inc. Value Line Select Growth Fund, Inc. | 17,400 | 9.8M $ | 3.14 % | as of Mar 31, 2026 · Original filing |
| 187 | Nuveen S&P 500 Index Fund TIAA-CREF Funds | 17,239 | 9.7M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 188 | CIBC ATLAS MID CAP EQUITY FUND ADVISORS' INNER CIRCLE FUND | 17,006 | 9.5M $ | 1.42 % | as of Apr 30, 2026 · Original filing |
| 189 | Destinations Large Cap Equity Fund Brinker Capital Destinations Trust | 17,002 | 11.2M $ | 0.32 % | as of Feb 28, 2026 · Original filing |
| 190 | AST Large-Cap Growth Portfolio Advanced Series Trust | 16,960 | 9.5M $ | 0.14 % | as of Mar 31, 2026 · Original filing |
| 191 | LVIP SSGA S&P 500 Index Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 16,960 | 9.5M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 192 | Mid Cap Strategic Growth Fund VALIC Co I | 16,862 | 11.1M $ | 1.02 % | as of Feb 28, 2026 · Original filing |
| 193 | NYLI WMC Growth Fund NEW YORK LIFE INVESTMENTS FUNDS TRUST | 16,853 | 9.5M $ | 0.91 % | as of Apr 30, 2026 · Original filing |
| 194 | LargeCap S&P 500 Index Fund Principal Funds, Inc | 16,817 | 9.4M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 195 | EQ/Equity 500 Index Portfolio EQ Advisors Trust | 16,540 | 9.3M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 196 | 500 Index Trust John Hancock Variable Insurance Trust | 16,384 | 9.2M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 197 | EQ/Large Cap Growth Managed Volatility Portfolio EQ Advisors Trust | 16,373 | 9.2M $ | 0.23 % | as of Mar 31, 2026 · Original filing |
| 198 | Länsförsäkringar Global Index Länsförsäkringar Fondförvaltning AB | 15,930 | 85.3M SEK | 0.07 % | as of Mar 31, 2026 · Original filing |
| 199 | HARTFORD MIDCAP HLS FUND HARTFORD SERIES FUND INC | 15,866 | 8.9M $ | 1.37 % | as of Mar 31, 2026 · Original filing |
| 200 | TCW Concentrated Large Cap Growth Fund TCW FUNDS INC | 15,832 | 8.9M $ | 1.30 % | as of Apr 30, 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 |