Who owns COSTAR GROUP, INC. (CSG)? Elite investor 13F holders

10 tracked elite investors reported holding COSTAR GROUP, INC as of 2026-06-30, including Polen Capital Management, Akre Capital Management, D.E. Shaw, Weitz Investment Management, Gotham Asset Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

10 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Commercial & Professional Services

CoStar Group, Inc. provides information, analytics, and online marketplace services to real estate and related business communities in the United States, Australia, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing, and land properties; CoStar Leasing, a data on lease…

Reported holders and securities, including exits (up to 20)

Reported holders and securities, including exits (up to 20)
InvestorSecurityInstrumentReport periodFiledValueQuantityUnitsChangeSource
Polen Capital ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-04 00:00:00248063762.00 USD8759314.000000SharesreduceOriginal filing
Akre Capital ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:00331326895.00 USD11699396.000000SharesaddOriginal filing
D.E. ShawCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:0029547162.00 USD1043332.000000SharesreduceOriginal filing
Tiger Global ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:000.00 USD0.000000SharesexitedOriginal filing
Corvex ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:000.00 USD0.000000SharesexitedOriginal filing
Weitz Investment ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-12 00:00:0011984486.00 USD423181.000000SharesreduceOriginal filing
Gotham Asset ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:0018011180.00 USD635988.000000SharesaddOriginal filing
Tudor InvestmentCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:0017770517.00 USD627490.000000SharesaddOriginal filing
ShawSpring PartnersCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:000.00 USD0.000000SharesexitedOriginal filing
Tsai CapitalCOSTAR GROUP INCSHARE2026-06-302026-08-13 00:00:008332056.00 USD294211.000000SharesaddOriginal filing
GMOCOSTAR GROUP INCSHARE2026-06-302026-08-13 00:00:00695652.00 USD24564.000000SharesbuyOriginal filing
Hillman Capital ManagementCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:00304298.00 USD10745.000000SharesaddOriginal filing
Ancora Advisors / Ancora HoldingsCOSTAR GROUP INCSHARE2026-06-302026-08-14 00:00:001529.00 USD54.000000SharesreduceOriginal filing

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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