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CoStar Group (CSGP) Institutional Ownership

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$34.82 -0.56 (-1.58%)
As of 03:28 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)
613
Total
Institutional Inflows
(last 12 months)
$6.50B
Number of
Institutional Sellers
(last 12 months)
439
Total
Institutional Outflows
(last 12 months)
$4.84B
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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
5/5/2026Sanctuary Advisors LLC37,300$1.51M0.0%+53.7%0.009%
5/5/2026Checchi Capital Advisers LLC5,061$204K0.0%+22.9%0.001%
5/4/2026Mattern Capital Management LLC19,745$797K0.1%+19.9%0.005%
5/4/2026State of Michigan Retirement System116,500$4.70M0.0%-0.3%0.028%
5/4/2026Principal Financial Group Inc.17,696,192$713.87M0.4%+0.7%4.215%
5/4/2026Chicago Partners Investment Group LLC17,954$696K0.0%+6.6%0.004%
5/4/2026Teachers Retirement System of The State of Kentucky269,783$10.88M0.1%+1.1%0.064%
5/2/2026 Castleview Partners LLC8,012$323K0.2%N/A0.002%
5/2/2026 Diversify Wealth Management LLC19,576$790K0.0%+308.9%0.005%
5/1/2026 Lincoln Capital LLC15,693$633K0.1%-4.0%0.004%
5/1/2026 Commonwealth of Pennsylvania Public School Empls Retrmt SYS155,726$6.28M0.0%+58.0%0.037%
5/1/2026 Fifth Third Bancorp80,738$3.26M0.0%+926.4%0.019%
5/1/2026 Candriam S.C.A.21,512$868K0.0%+14.8%0.005%
5/1/2026 Sequoia Financial Advisors LLC51,688$2.09M0.0%+4.7%0.012%
5/1/2026 Kornitzer Capital Management Inc. KS207,766$8.38M0.2%-7.4%0.049%
4/30/2026 Azzad Asset Management Inc. ADV11,513$464K0.0%-5.0%0.003%
4/30/2026 Sumitomo Mitsui Trust Group Inc.954,074$38.49M0.0%-4.6%0.227%
4/30/2026 Resona Asset Management Co. Ltd.131,014$5.30M0.0%+4.6%0.031%
4/30/2026 Personal CFO Solutions LLC34,585$1.40M0.2%+215.2%0.008%
4/29/2026 Swedbank AB98,881$3.99M0.0%-67.4%0.024%
4/29/2026 Integrated Advisors Network LLC6,140$248K0.0%N/A0.001%
4/28/2026 Whittier Trust Co. of Nevada Inc.976$40K0.0%-29.8%0.000%
4/28/2026 Stephens Inc. AR42,648$1.72M0.0%+47.5%0.010%
4/28/2026 B.O.S.S. Retirement Advisors LLC6,360$257K0.1%-21.2%0.002%
4/28/2026 Stephens Investment Management Group LLC872,463$35.20M0.5%-21.8%0.208%
4/28/2026 Praxis Investment Management Inc.18,734$756K0.0%N/A0.004%
4/28/2026 V Square Quantitative Management LLC6,205$250K0.0%+22.4%0.001%
4/28/2026 QRG Capital Management Inc.30,939$1.25M0.0%+19.2%0.007%
4/27/2026 HB Wealth Management LLC66,457$2.68M0.0%-10.0%0.016%
4/27/2026 World Investment Advisors7,321$295K0.0%+115.9%0.002%
4/27/2026 Y Intercept Hong Kong Ltd311,918$12.58M0.2%+1,367.8%0.074%
4/27/2026 Leonteq Securities AG4,743$191K0.0%+28.0%0.001%
4/27/2026 Fjarde AP Fonden Fourth Swedish National Pension Fund130,770$5.28M0.0%+68.4%0.031%
4/27/2026 Fideuram Intesa Sanpaolo Private Banking S.P.A.5,499$222K0.0%-54.2%0.001%
4/25/2026 Keybank National Association OH23,180$935K0.0%+41.4%0.006%
4/24/2026 CHICAGO TRUST Co NA8,140$328K0.1%-37.4%0.002%
4/24/2026 Conestoga Capital Advisors LLC7,859$317K0.0%-36.0%0.002%
4/24/2026 USS Investment Management Ltd78,020$3.15M0.0%+4.6%0.019%
4/24/2026 IFM Investors Pty Ltd85,669$3.46M0.0%+3.3%0.020%
4/24/2026 iA Global Asset Management Inc.50,393$2.03M0.0%-4.3%0.012%
4/24/2026 Peregrine Capital Management LLC699,152$28.20M1.0%-6.6%0.167%
4/24/2026 Harbor Investment Advisory LLC4,295$173K0.0%-30.4%0.001%
4/23/2026 Premier Path Wealth Partners LLC13,628$550K0.1%N/A0.003%
4/23/2026 Inspire Investing LLC50,437$2.04M0.2%+16.0%0.012%
4/23/2026 Lansforsakringar Fondforvaltning AB publ 138,317$5.58M0.0%+1.7%0.033%
4/22/2026 Skylands Capital LLC32,050$1.29M0.2%+88.0%0.008%
4/22/2026 Janney Montgomery Scott LLC26,485$1.07M0.0%-32.3%0.006%
4/22/2026 Louisbourg Investments Inc.175,086$7.06M1.2%+93.8%0.042%
4/22/2026 Pictet Asset Management Holding SA1,372,159$55.36M0.1%+30.0%0.327%
4/22/2026 Sterling Capital Management LLC16,008$646K0.0%-50.4%0.004%
4/22/2026 Venturi Wealth Management LLC11,337$457K0.0%-3.0%0.003%
4/21/2026 Waterway Wealth Management LLC27,670$1.12M0.2%+142.2%0.007%
4/21/2026 Aaron Wealth Advisors LLC8,130$328K0.0%+8.8%0.002%
4/21/2026 Louisiana State Employees Retirement System49,200$1.99M0.0%N/A0.012%
4/20/2026 Vanderbilt University73,753$2.98M0.6%-42.0%0.018%
4/20/2026 Fifth Third Wealth Advisors LLC5,638$227K0.0%N/A0.001%
4/20/2026 OP Asset Management Ltd43,384$1.75M0.0%N/A0.010%
4/20/2026 Banque Cantonale Vaudoise14,027$566K0.0%+101.3%0.003%
4/20/2026 Assenagon Asset Management S.A.8,599$347K0.0%-25.0%0.002%
4/18/2026 Riverbridge Partners LLC1,227,391$49.51M1.2%-15.5%0.292%
4/17/2026 SVB Wealth LLC96,060$3.88M0.3%+44.6%0.023%
4/17/2026 Paragon Capital Management Inc.18,360$741K0.6%N/A0.004%
4/17/2026 PKO Investment Management Joint Stock Co15,000$605K0.1%N/A0.004%
4/16/2026 SG Americas Securities LLC272,347$10.99M0.0%+15.9%0.065%
4/16/2026 Evolve Private Wealth LLC5,965$241K0.0%N/A0.001%
4/16/2026 Davis Capital Management13,335$538K0.4%-2.6%0.003%
4/16/2026 E. Ohman J or Asset Management AB13,820$557K0.0%-16.8%0.003%
4/16/2026 BI Asset Management Fondsmaeglerselskab A S3,452$139K0.0%-80.8%0.001%
4/16/2026 Baron Wealth Management LLC6,277$253K0.1%-12.1%0.001%
3/17/2026Rockefeller Capital Management L.P.5,829$392K0.0%-15.9%0.001%
3/9/2026Corient Private Wealth LLC87,000$5.85M0.0%-22.6%0.021%
3/6/2026 Hsbc Holdings PLC987,270$66.39M0.0%+34.2%0.235%
3/4/2026 BSN CAPITAL PARTNERS Ltd150,857$10.14M0.5%N/A0.036%
3/2/2026Reflection Asset Management404$27K0.0%N/A0.000%
2/27/2026Groupama Asset Managment9,891$665K0.0%-9.4%0.002%
2/25/2026Hahn Capital Management LLC55,848$3.76M2.0%-6.4%0.013%
2/24/2026SG Trading Solutions LLC3,237$218K0.1%N/A0.001%
2/24/2026Pacer Advisors Inc.64,330$4.33M0.0%+1.6%0.015%
2/20/2026Kovitz Investment Group Partners LLC5,488$369K0.0%-43.1%0.001%
2/19/2026T. Rowe Price Investment Management Inc.3,464,794$232.97M0.1%-1.3%0.818%
2/19/2026Compound Planning Inc.8,314$559K0.0%-23.6%0.002%
2/19/2026Invesco Ltd.5,387,056$362.23M0.1%+18.7%1.271%
2/19/2026Corient Private Wealth LLC123,418$8.30M0.0%+9.8%0.029%
2/18/2026Mercer Global Advisors Inc. ADV29,005$1.95M0.0%-10.8%0.007%
2/18/2026Vident Advisory LLC14,104$948K0.0%+6.1%0.003%
2/18/2026First Citizens Bank & Trust Co.257,404$17.31M0.3%+117.9%0.061%
2/18/2026Wahed Invest LLC10,975$738K0.1%N/A0.003%
2/18/2026Delta Global Management LP31,841$2.14M0.1%N/A0.008%
2/18/2026State of Tennessee Department of Treasury116,497$7.17M0.0%-7.9%0.027%
2/18/2026Mackenzie Financial Corp1,660,715$112.47M0.1%+0.9%0.392%
2/18/2026NewEdge Advisors LLC523$35K0.0%-90.9%0.000%
2/18/2026Empowered Funds LLC9,541$642K0.0%-30.8%0.002%
2/18/2026XTX Topco Ltd3,475$234K0.0%-82.1%0.001%
2/18/2026Ulysses Management LLC330,500$22.22M4.1%+22.2%0.078%
2/18/2026VARCOV Co.3,371$227K0.1%N/A0.001%
2/18/2026Virtus Investment Advisers LLC24,381$1.64M0.4%+24.2%0.006%
2/18/2026Wellington Management Group LLP53,668$3.61M0.0%-19.2%0.013%
2/18/2026Spyglass Capital Management LLC1,578,449$106.14M5.3%+57.4%0.372%
2/18/2026Toronto Dominion Bank152,163$10.23M0.0%-12.1%0.036%
2/18/2026 Summit Securities Group LLC1,274$86K0.0%+829.9%0.000%


CSGP Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CSGP shares?

During the previous two years, 926 institutional investors and hedge funds held shares of CoStar Group. The most heavily invested institutionals were Vanguard Group Inc. ($4.71B), Bamco Inc. NY ($1.31B), State Street Corp ($1.25B), 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.

What percentage of CoStar Group's stock is owned by institutional investors?

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

Which institutional investors have been buying CoStar Group's stock?

Of the 829 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: Norges Bank ($17.86M), Capital International Investors ($8.40M), Mizuho Markets Americas LLC ($7.40M), Polen Capital Management LLC ($6.60M), Baillie Gifford & Co. ($5.22M), Vanguard Group Inc. ($4.93M), and Vulcan Value Partners LLC ($3.40M).

How much institutional buying is happening at CoStar Group?

Institutional investors have bought a total of 87,246,533 shares in the last 24 months. This purchase volume represents approximately $6.50B in transactions.

Which of CoStar Group's major shareholders have been selling company stock?

Of the 438 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), Massachusetts Financial Services Co. MA ($4.28M), Macquarie Group Ltd. ($4.20M), Morgan Stanley ($3.25M), Mizuho Markets Americas LLC ($2.99M), Franklin Resources Inc. ($2.57M), and Bank of America Corp DE ($2.44M).

How much institutional selling is happening at CoStar Group?

Institutional investors have sold a total of 64,793,771 shares in the last 24 months. This volume of shares sold represents approximately $4.84B in transactions.


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This page (NASDAQ:CSGP) was last updated on 5/5/2026 by MarketBeat.com Staff.
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