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CoStar Group (CSGP) Institutional Ownership

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$30.85 -0.83 (-2.62%)
As of 01:51 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for CoStar Group (NASDAQ:CSGP)

Current
Institutional Ownership
Percentage
96.60%
Number of
Institutional Buyers
(last 12 months)
517
Total
Institutional Inflows
(last 12 months)
$6.68B
Number of
Institutional Sellers
(last 12 months)
372
Total
Institutional Outflows
(last 12 months)
$4.13B
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CSGP Institutional Buying and Selling by Quarter

CoStar Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/27/2026 Corient Private Wealth LP81,676$2.31M0.0%+2.9%0.020%
8/26/2026 Amundi3,135,933$88.81M0.0%-4.4%0.774%
8/26/2026 HighTower Advisors LLC115,385$3.27M0.0%-7.1%0.028%
8/24/2026 CYBER HORNET ETFs LLC1,757$50K0.0%+50.8%0.000%
8/24/2026 California State Teachers Retirement System19,276,971$545.92M0.0%+2,789.6%4.757%
8/23/2026 Wedmont Private Capital17,302$491K0.0%N/A0.004%
8/23/2026 HB Wealth Management LLC71,357$2.02M0.0%+7.4%0.018%
8/23/2026 Saudi Central Bank29,386$832K0.0%+87.8%0.007%
8/22/2026 AlphaGrep UK Ltd14,994$425K0.1%N/A0.004%
8/22/2026 Three Seasons Wealth LLC20,828$590K0.1%-21.8%0.005%
8/22/2026 Knollwood Investment Advisory LLC32,150$910K0.1%-23.2%0.008%
8/22/2026 Syon Capital LLC7,326$207K0.0%+26.3%0.002%
8/22/2026 Premier Path Wealth Partners LLC11,265$319K0.0%-17.3%0.003%
8/22/2026 NEOS Investment Management LLC165,566$4.69M0.0%-54.6%0.041%
8/21/2026 AXQ Capital LP49,543$1.40M0.2%+62.6%0.012%
8/21/2026 Nykredit A S153,356$4.34M0.0%N/A0.038%
8/21/2026 B. Metzler seel. Sohn & Co. AG28,620$811K0.0%-6.6%0.007%
8/21/2026 Ironvine Capital Partners LLC294,475$8.34M0.7%-21.5%0.073%
8/20/2026 Spyglass Capital Management LLC2,694,697$76.31M4.1%+142.5%0.665%
8/20/2026 Headlands Technologies LLC104,978$2.97M0.3%+196.3%0.026%
8/20/2026 Quantitative Investment Management LLC69,418$1.97M0.2%-3.2%0.017%
8/20/2026 Two Sigma Securities LLC16,096$456K0.0%+67.2%0.004%
8/20/2026 Benjamin Edwards Inc.13,064$370K0.0%-17.8%0.003%
8/20/2026 GTS Securities LLC7,889$223K0.0%+31.8%0.002%
8/20/2026 Northwestern Mutual Wealth Management Co.12,753$361K0.0%-21.4%0.003%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC2,521,571$71.41M0.0%+4.0%0.622%
8/19/2026 New Mexico Educational Retirement Board21,100$598K0.0%+7.7%0.005%
8/19/2026 Royal London Asset Management Ltd.187,394$5.31M0.0%-56.6%0.046%
8/19/2026 Mufg Securities Americas Inc.12,300$348K0.0%+4.9%0.003%
8/19/2026 Van ECK Associates Corp3,078,903$87.20M0.1%-11.5%0.760%
8/19/2026 Nissay Asset Management Corp Japan56,761$1.61M0.0%-51.9%0.014%
8/19/2026 Wellington Management Group LLP50,070$1.42M0.0%+2.4%0.012%
8/18/2026 Pin Oak Investment Advisors Inc.1,672$47K0.0%N/A0.000%
8/18/2026 Livforsakringsbolaget Skandia Omsesidigt2,100$59K0.0%N/A0.001%
8/18/2026 Rakuten Investment Management Inc.68,040$2.00M0.0%N/A0.017%
8/18/2026 North Star Asset Management Inc.112,073$3.17M0.1%N/A0.028%
8/18/2026 Empowered Funds LLC17,174$486K0.0%N/A0.004%
8/18/2026 United Capital Financial Advisors LLC24,222$686K0.0%N/A0.006%
8/18/2026 Centaurus Financial Inc.13,390$379K0.0%N/A0.003%
8/18/2026 Formula Growth Ltd.34,000$963K0.3%N/A0.008%
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8/18/2026Jefferies Financial Group Inc.148,731$4.21M0.0%N/A0.037%
8/18/2026 Public Employees Retirement System of Ohio117,069$3.32M0.0%N/A0.029%
8/17/2026 Transamerica Financial Advisors LLC1,156$33K0.0%N/A0.000%
8/17/2026 Corient Private Wealth LP82,804$2.35M0.0%N/A0.020%
8/17/2026 Perennial Investment Advisors LLC10,632$301K0.0%N/A0.003%
8/17/2026 Petrus Trust Company LTA756,200$21.42M2.0%N/A0.187%
8/17/2026 Bamco Inc. NY21,626,763$612.47M0.9%N/A5.337%
8/17/2026 Bank of America Corp DE2,735,102$77.46M0.0%N/A0.675%
8/15/2026 American Capital Management Inc.725,143$20.54M0.9%N/A0.179%
8/15/2026 Odyssean LLC90,524$2.56M0.4%N/A0.022%
8/15/2026 Man Group plc921,094$26.09M0.0%N/A0.227%
8/15/2026 Jupiter Topco LLC7,832,860$221.83M0.1%N/A1.933%
8/14/2026 Primecap Management Co. CA821,600$23.27M0.0%N/A0.203%
8/14/2026 Canada Pension Plan Investment Board2,481,641$70.28M0.0%N/A0.612%
8/14/2026 Legal & General Group Plc1,682,774$47.66M0.0%N/A0.415%
8/14/2026 The Manufacturers Life Insurance Company226,560$6.42M0.0%N/A0.056%
8/14/2026 Sone Capital Management LLC254,096$7.20M0.5%N/A0.063%
8/14/2026 Wolf Hill Capital Management LP29,100$824.11K0.0%N/A0.007%
8/13/2026 Meritage Group LP5,394,164$152.76M5.9%N/A1.331%
8/13/2026 OMERS ADMINISTRATION Corp207,870$5.89M0.0%N/A0.051%
8/13/2026 Sanctuary Advisors LLC36,059$1.02M0.0%N/A0.009%
8/13/2026 Barbara Oil Co.32,000$948K0.3%N/A0.008%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.1,169,688$33.13M0.1%N/A0.289%
8/13/2026 Bank of Nova Scotia93,291$2.65M0.0%N/A0.023%
8/12/2026 Elevation Point Wealth Partners LLC7,721$219K0.0%N/A0.002%
8/12/2026 Northwestern Mutual Wealth Management Co.12,753$361K0.0%N/A0.003%
8/12/2026 Quantbot Technologies LP62,491$1.77M0.1%N/A0.015%
8/12/2026 Evolve Private Wealth LLC16,163$458K0.0%N/A0.004%
8/12/2026 Korea Investment CORP698,417$19.78M0.0%N/A0.172%
8/12/2026 Ieq Capital LLC351,667$9.96M0.0%N/A0.087%
8/12/2026 Callan Family Office LLC11,764$333K0.0%N/A0.003%
8/11/2026 Allworth Financial LP13,582$385K0.0%N/A0.003%
8/11/2026 B. Metzler seel. Sohn & Co. AG28,620$811K0.0%N/A0.007%
8/10/2026 NewEdge Wealth LLC18,538$525K0.0%N/A0.005%
8/10/2026 Danske Bank A S174,139$4.93M0.0%N/A0.043%
8/10/2026 Diversify Advisory Services LLC25,570$746K0.0%N/A0.006%
8/8/2026 Wealthfront Advisers LLC24,534$695K0.0%N/A0.006%
8/8/2026 Meeder Advisory Services Inc.10,849$307K0.0%N/A0.003%
8/8/2026 Meeder Asset Management Inc.12,720$360K0.0%N/A0.003%
8/7/2026 Citizens Financial Group Inc. RI12,982$368K0.0%N/A0.003%
8/7/2026 BlackRock Inc.33,813,969$957.61M0.0%N/A8.345%
8/7/2026 Pallas Capital Advisors LLC26,889$761K0.0%N/A0.007%
8/7/2026 Deutsche Bank AG2,264,379$64.13M0.0%N/A0.559%
8/7/2026 Perigon Wealth Management LLC8,716$247K0.0%N/A0.002%
8/7/2026 Mitsubishi UFJ Asset Management Co. Ltd.1,015,380$28.76M0.0%N/A0.251%
8/7/2026 Plato Investment Management Ltd8,565$241K0.0%N/A0.002%
8/7/2026 Simplicity Wealth LLC11,922$338K0.0%N/A0.003%
8/6/2026 Global Retirement Partners LLC4,451$126K0.0%N/A0.001%
8/6/2026 Fielder Capital Group LLC16,784$475K0.1%N/A0.004%
8/6/2026 Bank of New York Mellon Corp2,005,395$56.79M0.0%N/A0.495%
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8/6/2026 Focus Partners Advisor Solutions LLC19,321$547K0.0%N/A0.005%
8/6/2026 State of Wyoming6,779$192K0.0%N/A0.002%
8/6/2026 GSA Capital Partners LLP51,986$1.47M0.1%N/A0.013%
8/3/2026 Oppenheimer Asset Management Inc.265,401$7.52M0.1%N/A0.065%
7/10/2026 Tema ETFs LLC8,914$252K0.0%+18.3%0.002%
7/10/2026 Handelsbanken Fonder AB129,700$3.67M0.0%+6.4%0.032%
7/10/2026 Salvus Wealth Management LLC12,148$344K0.2%-12.3%0.003%
7/8/2026 Czech National Bank116,234$3.29M0.0%+0.7%0.028%
7/8/2026 PensionDanmark Pensionsforsikringsaktieselskab39,466$1.12M0.0%-71.4%0.010%
7/8/2026 Red Spruce Capital LLC76,448$2.17M0.8%+101.0%0.019%


CSGP Institutional Ownership - Frequently Asked Questions

During the previous two years, 909 institutional investors and hedge funds held shares of CoStar Group. The most heavily invested institutionals were Vanguard Group Inc. ($4.71B), State Street Corp ($1.25B), BlackRock Inc. ($957.61M), Baillie Gifford & Co. ($869.63M), Geode Capital Management LLC ($816.24M), Capital International Investors ($729.02M), and Principal Financial Group Inc. ($713.87M).Learn more on CoStar Group's institutional investors.

96.60% of CoStar Group's stock is owned by institutional investors. Learn more on CSGP's institutional investor holdings.

Of the 814 institutional investors that purchased CoStar Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($33.81M), Bamco Inc. NY ($22.93M), California State Teachers Retirement System ($18.62M), Norges Bank ($17.86M), Capital International Investors ($8.40M), Jupiter Topco LLC ($7.83M), and Mizuho Markets Americas LLC ($7.40M).

Institutional investors have bought a total of 161,706,528 shares in the last 24 months. This purchase volume represents approximately $6.68B in transactions.

Of the 372 institutional investors that sold CoStar Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Capital International Investors ($8.03M), Mizuho Markets Americas LLC ($5.58M), Massachusetts Financial Services Co. MA ($4.25M), Macquarie Group Ltd. ($4.20M), Morgan Stanley ($3.25M), Franklin Resources Inc. ($2.57M), and Bank of New York Mellon Corp ($2.44M).

Institutional investors have sold a total of 61,075,230 shares in the last 24 months. This volume of shares sold represents approximately $4.13B in transactions.


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Institutional ownership data for NASDAQ:CSGP is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/4/2026. New 13F filings are added each quarter as they're published.
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