Fund shareholders of CoStar Group Inc
ISIN US22160N1090 · United States
- Fund shareholders
- 713
- Of which ETFs
- 208 505 other funds
- Value held
- 8.3B $ 378.4M SEK · 7M €
- Share of capital
- 51.9 % of 405.2M shares on Jul 27, 2026
713 funds hold this company. This table lists the 706 that declare it in a regulatory filing. The other 7 publish their holdings in their own reports. They are not in the table.
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD REAL ESTATE INDEX FUND VANGUARD SPECIALIZED FUNDS | 15,660,048 | 542M $ | 0.77 % | 3.86 % | as of Apr 30, 2026 ↗ |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 13,338,978 | 538.1M $ | 0.03 % | 3.29 % | as of Mar 31, 2026 ↗ |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 10,769,551 | 434.4M $ | 0.03 % | 2.66 % | as of Mar 31, 2026 ↗ |
| MidCap Fund Principal Funds, Inc | 10,089,233 | 349.2M $ | 1.39 % | 2.49 % | as of Apr 30, 2026 ↗ |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 9,066,164 | 365.7M $ | 0.18 % | 2.24 % | as of Mar 31, 2026 ↗ |
| Invesco QQQ Trust, Series 1 Invesco QQQ Trust, Series 1 | 8,843,403 | 356.7M $ | 0.10 % | 2.18 % | as of Mar 31, 2026 ↗ |
| Baron Partners Fund BARON SELECT FUNDS | 7,250,000 | 292.5M $ | 2.82 % | 1.79 % | as of Mar 31, 2026 ↗ |
| Akre Focus ETF Professionally Managed Portfolios | 6,835,821 | 236.6M $ | 3.69 % | 1.69 % | as of Apr 30, 2026 ↗ |
| VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 5,552,236 | 224M $ | 0.07 % | 1.37 % | as of Mar 31, 2026 ↗ |
| Janus Henderson Enterprise Fund JANUS INVESTMENT FUND | 5,532,268 | 223.2M $ | 1.09 % | 1.37 % | as of Mar 31, 2026 ↗ |
| American Funds Fundamental Investors American Funds Fundamental Investors | 5,477,089 | 220.9M $ | 0.14 % | 1.35 % | as of Mar 31, 2026 ↗ |
| iShares Core S&P 500 ETF iShares Trust | 5,450,706 | 219.9M $ | 0.03 % | 1.35 % | as of Mar 31, 2026 ↗ |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 5,393,695 | 240.7M $ | 0.03 % | 1.33 % | as of Feb 28, 2026 ↗ |
| Growth Fund of America Growth Fund of America | 4,823,033 | 215.3M $ | 0.07 % | 1.19 % | as of Feb 28, 2026 ↗ |
| VANGUARD U.S. GROWTH FUND VANGUARD WORLD FUND | 4,158,782 | 185.6M $ | 0.42 % | 1.03 % | as of Feb 28, 2026 ↗ |
| AMCAP Fund AMCAP Fund | 4,117,051 | 183.7M $ | 0.20 % | 1.02 % | as of Feb 28, 2026 ↗ |
| Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust | 3,721,512 | 128.8M $ | 0.15 % | 0.92 % | as of Apr 30, 2026 ↗ |
| State Street(R) Real Estate Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 3,509,600 | 141.6M $ | 1.94 % | 0.87 % | as of Mar 31, 2026 ↗ |
| VanEck Morningstar Wide Moat ETF VanEck ETF Trust | 3,220,288 | 129.9M $ | 1.12 % | 0.79 % | as of Mar 31, 2026 ↗ |
| VANGUARD MID-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 3,192,988 | 128.8M $ | 0.44 % | 0.79 % | as of Mar 31, 2026 ↗ |
| Growth Fund AMERICAN FUNDS INSURANCE SERIES | 2,858,168 | 115.3M $ | 0.23 % | 0.71 % | as of Mar 31, 2026 ↗ |
| VANGUARD REAL ESTATE II INDEX FUND VANGUARD FIXED INCOME SECURITIES FUNDS | 2,789,662 | 96.6M $ | 0.91 % | 0.69 % | as of Apr 30, 2026 ↗ |
| BARON GROWTH FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 2,650,000 | 106.9M $ | 4.09 % | 0.65 % | as of Mar 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 2,386,956 | 96.3M $ | 0.03 % | 0.59 % | as of Mar 31, 2026 ↗ |
| Blue Chip Fund Principal Funds, Inc | 2,107,352 | 94.1M $ | 1.11 % | 0.52 % | as of Feb 28, 2026 ↗ |
| BARON ASSET FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 1,854,901 | 74.8M $ | 2.26 % | 0.46 % | as of Mar 31, 2026 ↗ |
| Nomura Mid Cap Growth Fund IVY FUNDS | 1,651,887 | 66.6M $ | 2.22 % | 0.41 % | as of Mar 31, 2026 ↗ |
| Invesco NASDAQ 100 ETF Invesco Exchange-Traded Fund Trust II | 1,612,364 | 72M $ | 0.10 % | 0.40 % | as of Feb 28, 2026 ↗ |
| iShares Russell Mid-Cap ETF iShares Trust | 1,597,134 | 64.4M $ | 0.13 % | 0.39 % | as of Mar 31, 2026 ↗ |
| Fidelity Mid Cap Index Fund Fidelity Salem Street Trust | 1,546,817 | 53.5M $ | 0.11 % | 0.38 % | as of Apr 30, 2026 ↗ |
| Baron Focused Growth Fund BARON SELECT FUNDS | 1,465,900 | 59.1M $ | 1.53 % | 0.36 % | as of Mar 31, 2026 ↗ |
| iShares U.S. Real Estate ETF iShares Trust | 1,339,280 | 54M $ | 1.36 % | 0.33 % | as of Mar 31, 2026 ↗ |
| Capital Group Growth ETF Capital Group Growth ETF | 1,250,286 | 55.8M $ | 0.28 % | 0.31 % | as of Feb 28, 2026 ↗ |
| MFS Growth Fund MFS Series Trust II | 1,185,981 | 52.9M $ | 0.13 % | 0.29 % | as of Feb 28, 2026 ↗ |
| VANGUARD MID-CAP GROWTH FUND VANGUARD WHITEHALL FUNDS | 1,032,488 | 35.7M $ | 1.26 % | 0.25 % | as of Apr 30, 2026 ↗ |
| iShares MSCI USA Quality Factor ETF iShares Trust | 1,030,850 | 35.7M $ | 0.07 % | 0.25 % | as of Apr 30, 2026 ↗ |
| Federated Hermes Kaufmann Fund Federated Hermes Equity Funds | 975,395 | 33.8M $ | 0.72 % | 0.24 % | as of Apr 30, 2026 ↗ |
| Fidelity Real Estate Investment Portfolio Fidelity Select Portfolios | 954,569 | 33M $ | 1.01 % | 0.24 % | as of Apr 30, 2026 ↗ |
| Schwab S&P 500 Index Fund SCHWAB CAPITAL TRUST | 949,195 | 32.9M $ | 0.02 % | 0.23 % | as of Apr 30, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 500(R) ETF SPDR SERIES TRUST | 892,380 | 36M $ | 0.03 % | 0.22 % | as of Mar 31, 2026 ↗ |
| Fidelity Real Estate Index Fund Fidelity Salem Street Trust | 864,332 | 29.9M $ | 0.94 % | 0.21 % | as of Apr 30, 2026 ↗ |
| iShares Russell 1000 Value ETF iShares Trust | 841,783 | 34M $ | 0.05 % | 0.21 % | as of Mar 31, 2026 ↗ |
| Fidelity SAI Real Estate Fund Fidelity Summer Street Trust | 810,516 | 28.1M $ | 1.03 % | 0.20 % | as of Apr 30, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 791,782 | 35.3M $ | 0.03 % | 0.20 % | as of Feb 28, 2026 ↗ |
| First Trust Nasdaq-100 Select Equal Weight ETF First Trust Exchange-Traded Fund | 746,412 | 30.1M $ | 1.92 % | 0.18 % | as of Mar 31, 2026 ↗ |
| iShares S&P 500 Value ETF iShares Trust | 729,601 | 29.4M $ | 0.06 % | 0.18 % | as of Mar 31, 2026 ↗ |
| Spyglass Growth Fund Manager Directed Portfolios | 652,702 | 26.3M $ | 3.14 % | 0.16 % | as of Mar 31, 2026 ↗ |
| LVIP Baron Growth Opportunities Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 629,000 | 25.4M $ | 3.98 % | 0.16 % | as of Mar 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 626,201 | 27.9M $ | 0.03 % | 0.15 % | as of Feb 28, 2026 ↗ |
| AP7 Aktiefond Sjunde AP-fonden | 603,606 | 232M SEK | 0.02 % | 0.15 % | as of Mar 31, 2026 ↗ |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 533,118 | 21.5M $ | 0.03 % | 0.13 % | as of Mar 31, 2026 ↗ |
| iShares Russell Mid-Cap Value ETF iShares Trust | 527,966 | 21.3M $ | 0.15 % | 0.13 % | as of Mar 31, 2026 ↗ |
| State Street(R) SPDR(R) Portfolio S&P 500(R) Value ETF SPDR SERIES TRUST | 498,334 | 20.1M $ | 0.06 % | 0.12 % | as of Mar 31, 2026 ↗ |
| VANGUARD GLOBAL EQUITY FUND VANGUARD HORIZON FUNDS | 498,070 | 20.1M $ | 0.29 % | 0.12 % | as of Mar 31, 2026 ↗ |
| VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS | 492,816 | 19.9M $ | 0.03 % | 0.12 % | as of Mar 31, 2026 ↗ |
| VANGUARD EXPLORER FUND VANGUARD EXPLORER FUND | 457,572 | 15.8M $ | 0.07 % | 0.11 % | as of Apr 30, 2026 ↗ |
| Janus Henderson Enterprise Portfolio JANUS ASPEN SERIES | 455,734 | 18.4M $ | 1.08 % | 0.11 % | as of Mar 31, 2026 ↗ |
| College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 452,025 | 18.2M $ | 0.01 % | 0.11 % | as of Mar 31, 2026 ↗ |
| Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 445,713 | 19.9M $ | 0.02 % | 0.11 % | as of Feb 28, 2026 ↗ |
| BARON OPPORTUNITY FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 443,730 | 17.9M $ | 1.11 % | 0.11 % | as of Mar 31, 2026 ↗ |
| Schwab U.S. Large-Cap ETF SCHWAB STRATEGIC TRUST | 434,854 | 19.4M $ | 0.03 % | 0.11 % | as of Feb 28, 2026 ↗ |
| College Retirement Equities Fund - Global Equities Account College Retirement Equities Fund | 420,773 | 17M $ | 0.05 % | 0.10 % | as of Mar 31, 2026 ↗ |
| CTIVP - Principal Large Cap Growth Fund Columbia Funds Variable Series Trust II | 420,600 | 17M $ | 0.99 % | 0.10 % | as of Mar 31, 2026 ↗ |
| iShares Future AI & Tech ETF iShares Trust | 411,423 | 16.6M $ | 0.80 % | 0.10 % | as of Mar 31, 2026 ↗ |
| VANGUARD CAPITAL OPPORTUNITY FUND VANGUARD HORIZON FUNDS | 411,200 | 16.6M $ | 0.07 % | 0.10 % | as of Mar 31, 2026 ↗ |
| Washington Mutual Investors Fund Washington Mutual Investors Fund | 402,336 | 13.9M $ | 0.01 % | 0.10 % | as of Apr 30, 2026 ↗ |
| Fidelity MSCI Real Estate Index ETF FIDELITY COVINGTON TRUST | 397,488 | 13.8M $ | 0.95 % | 0.10 % | as of Apr 30, 2026 ↗ |
| S&P 500 Index Master Portfolio Master Investment Portfolio | 389,138 | 15.7M $ | 0.03 % | 0.10 % | as of Mar 31, 2026 ↗ |
| Fidelity Balanced Fund Fidelity Puritan Trust | 373,000 | 16.6M $ | 0.03 % | 0.09 % | as of Feb 28, 2026 ↗ |
| ProShares UltraPro QQQ ProShares Trust | 364,495 | 16.3M $ | 0.06 % | 0.09 % | as of Feb 28, 2026 ↗ |
| Transamerica Mid Cap Value Opportunities TRANSAMERICA FUNDS | 358,900 | 12.4M $ | 1.54 % | 0.09 % | as of Apr 30, 2026 ↗ |
| iShares Core S&P U.S. Value ETF iShares Trust | 355,273 | 14.3M $ | 0.06 % | 0.09 % | as of Mar 31, 2026 ↗ |
| VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 350,512 | 12.1M $ | 0.01 % | 0.09 % | as of Apr 30, 2026 ↗ |
| Nuveen Equity Index Fund TIAA-CREF Funds | 350,494 | 12.1M $ | 0.02 % | 0.09 % | as of Apr 30, 2026 ↗ |
| iShares Russell Mid-Cap Growth ETF iShares Trust | 349,478 | 14.1M $ | 0.08 % | 0.09 % | as of Mar 31, 2026 ↗ |
| EQ/Janus Enterprise Portfolio EQ Advisors Trust | 347,548 | 14M $ | 1.04 % | 0.09 % | as of Mar 31, 2026 ↗ |
| Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 320,274 | 14.3M $ | 0.01 % | 0.08 % | as of Feb 28, 2026 ↗ |
| REAL ESTATE INDEX PORTFOLIO VANGUARD VARIABLE INSURANCE FUNDS | 312,457 | 12.6M $ | 1.15 % | 0.08 % | as of Mar 31, 2026 ↗ |
| Federated Hermes Kaufmann Small Cap Fund Federated Hermes Equity Funds | 300,000 | 10.4M $ | 0.36 % | 0.07 % | as of Apr 30, 2026 ↗ |
| iShares Russell 1000 ETF iShares Trust | 297,060 | 12M $ | 0.03 % | 0.07 % | as of Mar 31, 2026 ↗ |
| AMG TimesSquare Mid Cap Growth Fund AMG Funds | 288,129 | 11.6M $ | 0.77 % | 0.07 % | as of Mar 31, 2026 ↗ |
| T. Rowe Price Equity Index 500 Fund T. ROWE PRICE INDEX TRUST, INC. | 265,427 | 10.7M $ | 0.03 % | 0.07 % | as of Mar 31, 2026 ↗ |
| Large Cap Equity Fund Weitz Funds | 265,000 | 10.7M $ | 1.71 % | 0.07 % | as of Mar 31, 2026 ↗ |
| VY(R) BARON GROWTH PORTFOLIO Voya Partners Inc | 257,011 | 10.4M $ | 4.70 % | 0.06 % | as of Mar 31, 2026 ↗ |
| Direxion NASDAQ-100 Equal Weighted Index Shares Direxion Shares ETF Trust | 255,204 | 8.8M $ | 0.73 % | 0.06 % | as of Apr 30, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 250,340 | 11.2M $ | 0.05 % | 0.06 % | as of Feb 28, 2026 ↗ |
| Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 249,090 | 8.6M $ | 0.02 % | 0.06 % | as of Apr 30, 2026 ↗ |
| Multi Cap Equity Fund Weitz Funds | 247,175 | 10M $ | 2.09 % | 0.06 % | as of Mar 31, 2026 ↗ |
| Large Cap Index Master Portfolio Master Investment Portfolio | 246,117 | 9.9M $ | 0.03 % | 0.06 % | as of Mar 31, 2026 ↗ |
| Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 245,443 | 11M $ | 0.03 % | 0.06 % | as of Feb 28, 2026 ↗ |
| Schwab Fundamental U.S. Small Company ETF SCHWAB STRATEGIC TRUST | 237,246 | 10.6M $ | 0.11 % | 0.06 % | as of Feb 28, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 236,264 | 9.5M $ | 0.02 % | 0.06 % | as of Mar 31, 2026 ↗ |
| PRIMECAP Odyssey Aggressive Growth Fund PRIMECAP Odyssey Funds | 227,300 | 7.9M $ | 0.12 % | 0.06 % | as of Apr 30, 2026 ↗ |
| Schwab U.S. Large-Cap Value ETF SCHWAB STRATEGIC TRUST | 224,246 | 10M $ | 0.06 % | 0.06 % | as of Feb 28, 2026 ↗ |
| Transamerica Janus Mid-Cap Growth VP TRANSAMERICA SERIES TRUST | 222,240 | 9M $ | 1.06 % | 0.05 % | as of Mar 31, 2026 ↗ |
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 219,812 | 7.6M $ | 0.02 % | 0.05 % | as of Apr 30, 2026 ↗ |
| VANGUARD FTSE SOCIAL INDEX FUND VANGUARD WORLD FUND | 218,517 | 9.8M $ | 0.04 % | 0.05 % | as of Feb 28, 2026 ↗ |
| NEOS Nasdaq-100(R) High Income ETF NEOS ETF Trust | 213,801 | 8.6M $ | 0.09 % | 0.05 % | as of Mar 31, 2026 ↗ |
| iShares Russell 1000 Growth ETF iShares Trust | 213,062 | 8.6M $ | 0.01 % | 0.05 % | as of Mar 31, 2026 ↗ |
| VANGUARD RUSSELL 1000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 212,733 | 9.5M $ | 0.05 % | 0.05 % | as of Feb 28, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| VY(R) BARON GROWTH PORTFOLIO Voya Partners Inc | 4.70 % | as of Mar 31, 2026 ↗ |
| BARON GROWTH FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | 4.09 % | as of Mar 31, 2026 ↗ |
| LVIP Baron Growth Opportunities Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 3.98 % | as of Mar 31, 2026 ↗ |
| Tremblant Global ETF Managed Portfolio Series | 3.77 % | as of Mar 31, 2026 ↗ |
| Akre Focus ETF Professionally Managed Portfolios | 3.69 % | as of Apr 30, 2026 ↗ |
| GVC GAESCO CROSSOVER, FI GVC GAESCO CROSSOVER - US GROWTH RVI GVC GAESCO GESTIÓN, SGIIC, S.A. | 3.56 % | as of Dec 31, 2025 ↗ |
| REAL ESTATE ULTRASECTOR PROFUND ProFunds | 3.41 % | as of Apr 30, 2026 ↗ |
| Spyglass Growth Fund Manager Directed Portfolios | 3.14 % | as of Mar 31, 2026 ↗ |
| Pictet - SmartCity Pictet Asset Management (Europe) S.A. | 3.14 % | as of Sep 30, 2025 ↗ |
| Polen Focus Growth ETF FundVantage Trust | 2.96 % | as of Apr 30, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 661 | -15 | 209,125,801 | -3.3 % |
| 2026Q1 | 676 | -91 | 216,334,626 | +3.0 % |
| 2025Q4 | 767 | +35 | 209,949,103 | -1.1 % |
| 2025Q3 | 732 | +12 | 212,360,850 | +1.0 % |
| 2025Q2 | 720 | +37 | 210,253,562 | +1.6 % |
| 2025Q1 | 683 | -59 | 206,903,977 | -4.3 % |
| 2024Q4 | 742 | -13 | 216,170,852 | -0.7 % |
| 2024Q3 | 755 | -20 | 217,673,995 | +0.3 % |
| 2024Q2 | 775 | +42 | 217,111,032 | +11.6 % |
| 2024Q1 | 733 | -1 | 194,524,393 | -8.3 % |
| 2023Q4 | 734 | 212,176,792 |
Institutional managers
780 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| 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 |
| VAN ECK ASSOCIATES CORP | 3,478,726 | 140.3K $ | 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 |
Declared shareholders of CoStar Group Inc
There are 2 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Vanguard Portfolio Management | 9.12 % | 38,292,035 | as of Mar 31, 2026 · SCHEDULE 13G |
| Vanguard Capital Management | 7.53 % | 31,613,997 | as of Mar 31, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Fund shareholders of CoStar Group Inc". https://titelia.com/en/stocks/costar-group-inc-US22160N1090