Funds holding CoStar Group Inc
706 funds declare a position · 208 ETFs and 498 other funds · 8.3B $· 378.4M SEK· 7M € · US22160N1090
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | VANGUARD REAL ESTATE INDEX FUND VANGUARD SPECIALIZED FUNDS | 15,660,048 | 542M $ | 0.77 % | as of Apr 30, 2026 · Original filing |
| 2 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 13,338,978 | 538.1M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 3 | VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 10,769,551 | 434.4M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 4 | MidCap Fund Principal Funds, Inc | 10,089,233 | 349.2M $ | 1.39 % | as of Apr 30, 2026 · Original filing |
| 5 | VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 9,066,164 | 365.7M $ | 0.18 % | as of Mar 31, 2026 · Original filing |
| 6 | Invesco QQQ Trust, Series 1 Invesco QQQ Trust, Series 1 | 8,843,403 | 356.7M $ | 0.10 % | as of Mar 31, 2026 · Original filing |
| 7 | Baron Partners Fund BARON SELECT FUNDS | 7,250,000 | 292.5M $ | 2.82 % | as of Mar 31, 2026 · Original filing |
| 8 | Akre Focus ETF Professionally Managed Portfolios | 6,835,821 | 236.6M $ | 3.69 % | as of Apr 30, 2026 · Original filing |
| 9 | VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 5,552,236 | 224M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 10 | Janus Henderson Enterprise Fund JANUS INVESTMENT FUND | 5,532,268 | 223.2M $ | 1.09 % | as of Mar 31, 2026 · Original filing |
| 11 | American Funds Fundamental Investors American Funds Fundamental Investors | 5,477,089 | 220.9M $ | 0.14 % | as of Mar 31, 2026 · Original filing |
| 12 | iShares Core S&P 500 ETF iShares Trust | 5,450,706 | 219.9M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 13 | Fidelity 500 Index Fund Fidelity Concord Street Trust | 5,393,695 | 240.7M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 14 | Growth Fund of America Growth Fund of America | 4,823,033 | 215.3M $ | 0.07 % | as of Feb 28, 2026 · Original filing |
| 15 | VANGUARD U.S. GROWTH FUND VANGUARD WORLD FUND | 4,158,782 | 185.6M $ | 0.42 % | as of Feb 28, 2026 · Original filing |
| 16 | AMCAP Fund AMCAP Fund | 4,117,051 | 183.7M $ | 0.20 % | as of Feb 28, 2026 · Original filing |
| 17 | Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust | 3,721,512 | 128.8M $ | 0.15 % | as of Apr 30, 2026 · Original filing |
| 18 | State Street(R) Real Estate Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 3,509,600 | 141.6M $ | 1.94 % | as of Mar 31, 2026 · Original filing |
| 19 | VanEck Morningstar Wide Moat ETF VanEck ETF Trust | 3,220,288 | 129.9M $ | 1.12 % | as of Mar 31, 2026 · Original filing |
| 20 | VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 3,192,988 | 128.8M $ | 0.44 % | as of Mar 31, 2026 · Original filing |
| 21 | Growth Fund AMERICAN FUNDS INSURANCE SERIES | 2,858,168 | 115.3M $ | 0.23 % | as of Mar 31, 2026 · Original filing |
| 22 | VANGUARD REAL ESTATE II INDEX FUND VANGUARD FIXED INCOME SECURITIES FUNDS | 2,789,662 | 96.6M $ | 0.91 % | as of Apr 30, 2026 · Original filing |
| 23 | BARON GROWTH FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 2,650,000 | 106.9M $ | 4.09 % | as of Mar 31, 2026 · Original filing |
| 24 | VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 2,386,956 | 96.3M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 25 | Blue Chip Fund Principal Funds, Inc | 2,107,352 | 94.1M $ | 1.11 % | as of Feb 28, 2026 · Original filing |
| 26 | BARON ASSET FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 1,854,901 | 74.8M $ | 2.26 % | as of Mar 31, 2026 · Original filing |
| 27 | Nomura Mid Cap Growth Fund IVY FUNDS | 1,651,887 | 66.6M $ | 2.22 % | as of Mar 31, 2026 · Original filing |
| 28 | Invesco NASDAQ 100 ETF Invesco Exchange-Traded Fund Trust II | 1,612,364 | 72M $ | 0.10 % | as of Feb 28, 2026 · Original filing |
| 29 | iShares Russell Mid-Cap ETF iShares Trust | 1,597,134 | 64.4M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 30 | Fidelity Mid Cap Index Fund Fidelity Salem Street Trust | 1,546,817 | 53.5M $ | 0.11 % | as of Apr 30, 2026 · Original filing |
| 31 | Baron Focused Growth Fund BARON SELECT FUNDS | 1,465,900 | 59.1M $ | 1.53 % | as of Mar 31, 2026 · Original filing |
| 32 | iShares U.S. Real Estate ETF iShares Trust | 1,339,280 | 54M $ | 1.36 % | as of Mar 31, 2026 · Original filing |
| 33 | Capital Group Growth ETF Capital Group Growth ETF | 1,250,286 | 55.8M $ | 0.28 % | as of Feb 28, 2026 · Original filing |
| 34 | MFS Growth Fund MFS Series Trust II | 1,185,981 | 52.9M $ | 0.13 % | as of Feb 28, 2026 · Original filing |
| 35 | VANGUARD MID-CAP GROWTH FUND VANGUARD WHITEHALL FUNDS | 1,032,488 | 35.7M $ | 1.26 % | as of Apr 30, 2026 · Original filing |
| 36 | iShares MSCI USA Quality Factor ETF iShares Trust | 1,030,850 | 35.7M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 37 | Federated Hermes Kaufmann Fund Federated Hermes Equity Funds | 975,395 | 33.8M $ | 0.72 % | as of Apr 30, 2026 · Original filing |
| 38 | Fidelity Real Estate Investment Portfolio Fidelity Select Portfolios | 954,569 | 33M $ | 1.01 % | as of Apr 30, 2026 · Original filing |
| 39 | Schwab S&P 500 Index Fund SCHWAB CAPITAL TRUST | 949,195 | 32.9M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 40 | State Street(R) SPDR(R) Portfolio S&P 500(R) ETF SPDR SERIES TRUST | 892,380 | 36M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 41 | Fidelity Real Estate Index Fund Fidelity Salem Street Trust | 864,332 | 29.9M $ | 0.94 % | as of Apr 30, 2026 · Original filing |
| 42 | iShares Russell 1000 Value ETF iShares Trust | 841,783 | 34M $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 43 | Fidelity SAI Real Estate Fund Fidelity Summer Street Trust | 810,516 | 28.1M $ | 1.03 % | as of Apr 30, 2026 · Original filing |
| 44 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 791,782 | 35.3M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 45 | First Trust Nasdaq-100 Select Equal Weight ETF First Trust Exchange-Traded Fund | 746,412 | 30.1M $ | 1.92 % | as of Mar 31, 2026 · Original filing |
| 46 | iShares S&P 500 Value ETF iShares Trust | 729,601 | 29.4M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 47 | Spyglass Growth Fund Manager Directed Portfolios | 652,702 | 26.3M $ | 3.14 % | as of Mar 31, 2026 · Original filing |
| 48 | LVIP Baron Growth Opportunities Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 629,000 | 25.4M $ | 3.98 % | as of Mar 31, 2026 · Original filing |
| 49 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 626,201 | 27.9M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 50 | AP7 Aktiefond Sjunde AP-fonden | 603,606 | 232M SEK | 0.02 % | as of Mar 31, 2026 · Original filing |
| 51 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 533,118 | 21.5M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 52 | iShares Russell Mid-Cap Value ETF iShares Trust | 527,966 | 21.3M $ | 0.15 % | as of Mar 31, 2026 · Original filing |
| 53 | State Street(R) SPDR(R) Portfolio S&P 500(R) Value ETF SPDR SERIES TRUST | 498,334 | 20.1M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 54 | VANGUARD GLOBAL EQUITY FUND VANGUARD HORIZON FUNDS | 498,070 | 20.1M $ | 0.29 % | as of Mar 31, 2026 · Original filing |
| 55 | VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS | 492,816 | 19.9M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 56 | VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND | 457,572 | 15.8M $ | 0.07 % | as of Apr 30, 2026 · Original filing |
| 57 | Janus Henderson Enterprise Portfolio JANUS ASPEN SERIES | 455,734 | 18.4M $ | 1.08 % | as of Mar 31, 2026 · Original filing |
| 58 | College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 452,025 | 18.2M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 59 | Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 445,713 | 19.9M $ | 0.02 % | as of Feb 28, 2026 · Original filing |
| 60 | BARON OPPORTUNITY FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 443,730 | 17.9M $ | 1.11 % | as of Mar 31, 2026 · Original filing |
| 61 | Schwab U.S. Large-Cap ETF SCHWAB STRATEGIC TRUST | 434,854 | 19.4M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 62 | College Retirement Equities Fund - Global Equities Account College Retirement Equities Fund | 420,773 | 17M $ | 0.05 % | as of Mar 31, 2026 · Original filing |
| 63 | CTIVP - Principal Large Cap Growth Fund Columbia Funds Variable Series Trust II | 420,600 | 17M $ | 0.99 % | as of Mar 31, 2026 · Original filing |
| 64 | iShares Future AI & Tech ETF iShares Trust | 411,423 | 16.6M $ | 0.80 % | as of Mar 31, 2026 · Original filing |
| 65 | VANGUARD CAPITAL OPPORTUNITY FUND VANGUARD HORIZON FUNDS | 411,200 | 16.6M $ | 0.07 % | as of Mar 31, 2026 · Original filing |
| 66 | Washington Mutual Investors Fund Washington Mutual Investors Fund | 402,336 | 13.9M $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 67 | Fidelity MSCI Real Estate Index ETF FIDELITY COVINGTON TRUST | 397,488 | 13.8M $ | 0.95 % | as of Apr 30, 2026 · Original filing |
| 68 | S&P 500 Index Master Portfolio Master Investment Portfolio | 389,138 | 15.7M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 69 | Fidelity Balanced Fund Fidelity Puritan Trust | 373,000 | 16.6M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 70 | ProShares UltraPro QQQ ProShares Trust | 364,495 | 16.3M $ | 0.06 % | as of Feb 28, 2026 · Original filing |
| 71 | Transamerica Mid Cap Value Opportunities TRANSAMERICA FUNDS | 358,900 | 12.4M $ | 1.54 % | as of Apr 30, 2026 · Original filing |
| 72 | iShares Core S&P U.S. Value ETF iShares Trust | 355,273 | 14.3M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 73 | VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 350,512 | 12.1M $ | 0.01 % | as of Apr 30, 2026 · Original filing |
| 74 | Nuveen Equity Index Fund TIAA-CREF Funds | 350,494 | 12.1M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 75 | iShares Russell Mid-Cap Growth ETF iShares Trust | 349,478 | 14.1M $ | 0.08 % | as of Mar 31, 2026 · Original filing |
| 76 | EQ/Janus Enterprise Portfolio EQ Advisors Trust | 347,548 | 14M $ | 1.04 % | as of Mar 31, 2026 · Original filing |
| 77 | Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 320,274 | 14.3M $ | 0.01 % | as of Feb 28, 2026 · Original filing |
| 78 | REAL ESTATE INDEX PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 312,457 | 12.6M $ | 1.15 % | as of Mar 31, 2026 · Original filing |
| 79 | Federated Hermes Kaufmann Small Cap Fund Federated Hermes Equity Funds | 300,000 | 10.4M $ | 0.36 % | as of Apr 30, 2026 · Original filing |
| 80 | iShares Russell 1000 ETF iShares Trust | 297,060 | 12M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 81 | AMG TimesSquare Mid Cap Growth Fund AMG Funds | 288,129 | 11.6M $ | 0.77 % | as of Mar 31, 2026 · Original filing |
| 82 | T. Rowe Price Equity Index 500 Fund T. ROWE PRICE INDEX TRUST, INC. | 265,427 | 10.7M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 83 | Large Cap Equity Fund Weitz Funds | 265,000 | 10.7M $ | 1.71 % | as of Mar 31, 2026 · Original filing |
| 84 | VY(R) BARON GROWTH PORTFOLIO Voya Partners Inc | 257,011 | 10.4M $ | 4.70 % | as of Mar 31, 2026 · Original filing |
| 85 | Direxion NASDAQ-100 Equal Weighted Index Shares Direxion Shares ETF Trust | 255,204 | 8.8M $ | 0.73 % | as of Apr 30, 2026 · Original filing |
| 86 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 250,340 | 11.2M $ | 0.05 % | as of Feb 28, 2026 · Original filing |
| 87 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 249,090 | 8.6M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 88 | Multi Cap Equity Fund Weitz Funds | 247,175 | 10M $ | 2.09 % | as of Mar 31, 2026 · Original filing |
| 89 | Large Cap Index Master Portfolio Master Investment Portfolio | 246,117 | 9.9M $ | 0.03 % | as of Mar 31, 2026 · Original filing |
| 90 | Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 245,443 | 11M $ | 0.03 % | as of Feb 28, 2026 · Original filing |
| 91 | Schwab Fundamental U.S. Small Company ETF SCHWAB STRATEGIC TRUST | 237,246 | 10.6M $ | 0.11 % | as of Feb 28, 2026 · Original filing |
| 92 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 236,264 | 9.5M $ | 0.02 % | as of Mar 31, 2026 · Original filing |
| 93 | PRIMECAP Odyssey Aggressive Growth Fund PRIMECAP Odyssey Funds | 227,300 | 7.9M $ | 0.12 % | as of Apr 30, 2026 · Original filing |
| 94 | Schwab U.S. Large-Cap Value ETF SCHWAB STRATEGIC TRUST | 224,246 | 10M $ | 0.06 % | as of Feb 28, 2026 · Original filing |
| 95 | Transamerica Janus Mid-Cap Growth VP TRANSAMERICA SERIES TRUST | 222,240 | 9M $ | 1.06 % | as of Mar 31, 2026 · Original filing |
| 96 | Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 219,812 | 7.6M $ | 0.02 % | as of Apr 30, 2026 · Original filing |
| 97 | VANGUARD FTSE SOCIAL INDEX FUND VANGUARD WORLD FUND | 218,517 | 9.8M $ | 0.04 % | as of Feb 28, 2026 · Original filing |
| 98 | NEOS Nasdaq-100(R) High Income ETF NEOS ETF Trust | 213,801 | 8.6M $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 99 | iShares Russell 1000 Growth ETF iShares Trust | 213,062 | 8.6M $ | 0.01 % | as of Mar 31, 2026 · Original filing |
| 100 | VANGUARD RUSSELL 1000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 212,733 | 9.5M $ | 0.05 % | as of Feb 28, 2026 · Original filing |
Institutional managers
780 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. | 33,808,184 | 1.4B $ | as of Mar 31, 2026 |
| STATE STREET CORP | 18,650,975 | 752.4M $ | as of Mar 31, 2026 |
| PRINCIPAL FINANCIAL GROUP INC | 17,696,192 | 713.9M $ | as of Mar 31, 2026 |
| BAMCO INC /NY/ | 16,314,175 | 658.1M $ | as of Mar 31, 2026 |
| Capital International Investors | 15,513,753 | 625.8M $ | as of Mar 31, 2026 |
| BAILLIE GIFFORD & CO | 13,610,922 | 549.1M $ | as of Mar 31, 2026 |
| POLEN CAPITAL MANAGEMENT LLC | 12,570,368 | 507.1M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 12,448,652 | 500.4M $ | as of Mar 31, 2026 |
| AKRE CAPITAL MANAGEMENT LLC | 10,348,273 | 417.4M $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 9,245,812 | 373M $ | as of Mar 31, 2026 |
| JANUS HENDERSON GROUP PLC | 7,724,152 | 311.6M $ | as of Mar 31, 2026 |
| Invesco Ltd. | 7,137,002 | 287.9M $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 5,909,623 | 238.4M $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 5,412,615 | 218.3M $ | as of Mar 31, 2026 |
| Capital Research Global Investors | 4,373,706 | 176.4M $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 3,568,107 | 143.9M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 3,432,231 | 138.5M $ | as of Mar 31, 2026 |
| Meritage Group LP | 3,329,006 | 134.3M $ | as of Mar 31, 2026 |
| Amundi | 3,280,724 | 132.3M $ | as of Mar 31, 2026 |
| Legal & General Group Plc | 3,025,508 | 122M $ | as of Mar 31, 2026 |
| BECK MACK & OLIVER LLC | 2,926,975 | 118.1M $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2,874,262 | 115.9M $ | as of Mar 31, 2026 |
| FMR LLC | 2,831,524 | 114.2M $ | as of Mar 31, 2026 |
| Ensign Peak Advisors, Inc | 2,734,289 | 110.3M $ | as of Mar 31, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,675,501 | 107.9M $ | as of Mar 31, 2026 |