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CoStar Group (CSGP) Institutional Ownership

CoStar Group logo
$32.52 -1.43 (-4.21%)
As of 04:00 PM Eastern
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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)
569
Total
Institutional Inflows
(last 12 months)
$5.10B
Number of
Institutional Sellers
(last 12 months)
425
Total
Institutional Outflows
(last 12 months)
$4.87B
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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
5/26/2026Glenmede Trust Co. NA207,031$8.35M0.0%+168.8%0.051%
5/22/2026Groupama Asset Managment5,705$230K0.0%-42.3%0.001%
5/22/2026 Segall Bryant & Hamill LLC26,988$1.09M0.0%N/A0.007%
5/20/2026 Liontrust Investment Partners LLP35,058$1.41M0.0%+23.8%0.009%
5/19/2026 Bank of America Corp DE3,568,107$143.94M0.0%+1.8%0.874%
5/19/2026 Edgestream Partners L.P.74,431$3.00M0.1%+370.9%0.018%
5/19/2026 Janus Henderson Group PLC7,724,152$311.59M0.1%+3.4%1.892%
5/19/2026 Centaurus Financial Inc.30,534$1.23M0.1%-3.7%0.007%
5/18/2026 Spyglass Capital Management LLC1,111,224$44.83M3.2%-29.6%0.272%
5/18/2026 Amundi3,280,724$132.34M0.0%-20.3%0.803%
5/18/2026 EverSource Wealth Advisors LLC2,721$110K0.0%+60.5%0.001%
5/18/2026 California State Teachers Retirement System667,111$26.91M0.0%-2.3%0.163%
5/18/2026 Royal Bank of Canada1,435,734$57.92M0.0%+9.8%0.352%
5/18/2026 Rush Island Management LP483,200$19.49M1.3%N/A0.118%
5/18/2026 Empowered Funds LLC40,987$1.65M0.0%+329.6%0.010%
5/16/2026 Ashford Capital Management Inc.102,490$4.13M0.5%-58.7%0.025%
5/16/2026 The Manufacturers Life Insurance Company 248,749$10.04M0.0%-1.4%0.061%
5/16/2026 Quantinno Capital Management LP340,154$13.72M0.0%+68.3%0.083%
5/15/2026 Ardmore Road Asset Management LP666,900$26.90M1.8%N/A0.163%
5/15/2026 Weiss Asset Management LP497,500$20.07M0.3%+1,349.6%0.122%
5/15/2026 OMERS ADMINISTRATION Corp21,618$872K0.0%+26.5%0.005%
5/15/2026 Tiger Global Management LLC1,500,000$60.51M0.3%-33.6%0.367%
5/15/2026 Granahan Investment Management LLC161,047$6.50M0.3%+75.2%0.039%
5/15/2026 Wealth Alliance LLC9,048$365K0.0%+137.3%0.002%
5/15/2026 Entropy Technologies LP38,653$1.56M0.1%+194.6%0.009%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund136,727$5.52M0.0%-6.7%0.033%
5/14/2026 Public Employees Retirement System of Ohio122,921$4.96M0.0%-3.1%0.030%
5/14/2026 Compound Planning Inc.10,674$431K0.0%+28.4%0.003%
5/14/2026 Arrowstreet Capital Limited Partnership40,911$1.65M0.0%N/A0.010%
5/14/2026 Caxton Associates LLP83,948$3.39M0.1%N/A0.021%
5/14/2026 Mizuho Markets Americas LLC275,876$11.13M0.3%-93.8%0.068%
5/14/2026 Bank of Nova Scotia94,485$3.81M0.0%+16.6%0.023%
5/14/2026 Gibbs Wealth Management25,414$1.03M0.1%+149.3%0.006%
5/14/2026 Sei Investments Co.386,558$15.59M0.0%-37.8%0.095%
5/14/2026 Lido Advisors LLC14,301$577K0.0%-44.8%0.004%
5/13/2026 Cetera Investment Advisers136,277$5.50M0.0%-9.8%0.033%
5/13/2026 Alpha Family Trust5,410$218K0.1%N/A0.001%
5/13/2026 Prestige Wealth Management Group LLC6,026$243K0.0%+10,113.6%0.001%
5/13/2026 NewEdge Wealth LLC15,801$637K0.0%+21.5%0.004%
5/13/2026 First Citizens Bank & Trust Co.343,504$13.86M0.2%+33.4%0.084%
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5/13/2026 First Trust Advisors LP839,044$33.85M0.0%+19.3%0.205%
5/12/2026 IVY Lane Capital Management LLC59,000$2.38M3.6%N/A0.014%
5/12/2026 ABN Amro Investment Solutions103,876$4.19M0.1%-0.4%0.025%
5/8/2026 PNC Financial Services Group Inc.84,690$3.42M0.0%+11.1%0.021%
5/8/2026 Oslo Pensjonsforsikring AS2,309$93K0.0%N/A0.001%
5/8/2026 Commerzbank Aktiengesellschaft FI7,761$313K0.0%N/A0.002%
5/7/2026 Meeder Asset Management Inc.5,392$218K0.0%N/A0.001%
5/7/2026 Dimensional Fund Advisors LP2,401,852$96.91M0.0%+3.5%0.588%
5/7/2026 Parallel Advisors LLC20,346$821K0.0%-2.1%0.005%
5/7/2026 Hahn Capital Management LLC46,447$1.87M1.2%-16.8%0.011%
5/7/2026 KBC Group NV91,783$3.70M0.0%-1.9%0.022%
5/7/2026 SEB Asset Management AB83,393$3.36M0.0%N/A0.020%
5/7/2026 Swiss National Bank1,243,765$50.17M0.0%+7.1%0.305%
5/6/2026 California Public Employees Retirement System532,683$21.49M0.0%-27.2%0.130%
5/6/2026 Assetmark Inc.13,360$539K0.0%+520.5%0.003%
5/6/2026 Bessemer Group Inc.17,675$712K0.0%-8.2%0.004%
5/6/2026 Allspring Global Investments Holdings LLC18,300$725K0.0%-90.0%0.004%
5/5/2026 Wealthfront Advisers LLC20,936$845K0.0%-20.3%0.005%
5/5/2026 D.A. Davidson & CO.31,228$1.26M0.0%-7.0%0.008%
5/5/2026 Marks Group Wealth Management Inc5,465$220K0.0%-11.7%0.001%
5/5/2026 Bank of New York Mellon Corp2,400,680$96.84M0.0%-41.6%0.588%
5/5/2026 Three Seasons Wealth LLC26,644$1.08M0.4%+242.2%0.007%
5/5/2026 Sanctuary Advisors LLC37,300$1.51M0.0%+53.7%0.009%
5/5/2026 Checchi Capital Advisers LLC5,061$204K0.0%+22.9%0.001%
5/4/2026 Mattern Capital Management LLC19,745$797K0.1%+19.9%0.005%
5/4/2026 State of Michigan Retirement System116,500$4.70M0.0%-0.3%0.028%
5/4/2026 Principal Financial Group Inc.17,696,192$713.87M0.4%+0.7%4.215%
5/4/2026 Chicago Partners Investment Group LLC17,954$696K0.0%+6.6%0.004%
5/4/2026 Teachers 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%
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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%


CSGP Institutional Ownership - Frequently Asked Questions

During the previous two years, 914 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.

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

Of the 822 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. ($4.39M), and Vulcan Value Partners LLC ($3.40M).

Institutional investors have bought a total of 71,061,614 shares in the last 24 months. This purchase volume represents approximately $5.10B in transactions.

Of the 425 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 ($7.13M), Massachusetts Financial Services Co. MA ($4.28M), Macquarie Group Ltd. ($4.20M), Morgan Stanley ($3.25M), Bank of New York Mellon Corp ($3.13M), and Franklin Resources Inc. ($2.57M).

Institutional investors have sold a total of 69,429,632 shares in the last 24 months. This volume of shares sold represents approximately $4.87B in transactions.


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This page (NASDAQ:CSGP) was last updated on 5/26/2026 by MarketBeat.com Staff.
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