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Disclosery

CSGP COSTAR GROUP INC

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Stock (common), issuer CIK 1057352

733 managers (760 13F filers) reported a position in CSGP shares at 2026-06-30, 414,001,713 shares in all. 108 filers opened a position and 143 filers sold out during the quarter.

Managers
733
13F filers
760
New
108
Added
303
Reduced
266
Sold out
143
Shares held by filers
414,001,713

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Night Owl Capital Management, LLC110,871$3.14M0.33%+1,62713F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…123,138$3.14M0.01%+84,55913F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC109,905$3.11M<0.01%-225,52813F-HRTimeline
IVY LANE CAPITAL MANAGEMENT, LLC105,000$2.97M4.31%+46,00013F-HRTimeline
Headlands Technologies LLC104,978$2.97M0.32%+69,55013F-HRTimeline
Buttonwood Financial Advisors Inc.103,911$2.94M0.9%+39,27913F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC101,494$2.87M<0.01%new13F-HRTimelineGroup
CIBC Asset Management Inc98,877$2.8M0.01%-78,20213F-HRTimeline
Engineers Gate Manager LP97,924$2.77M0.04%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…95,047$2.69M0.01%-6,21413F-HRTimelineGroup
Elo Mutual Pension Insurance Co94,422$2.67M0.03%new13F-HRTimeline
Graham Capital Management, L.P.93,689$2.65M0.07%+72,32913F-HRTimeline
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA93,291$2.65M<0.01%-1,19413F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.93,377$2.64M0.01%-38,52513F-HRTimelineGroup
MML INVESTORS SERVICES, LLC93,204$2.64M0.01%+12,96713F-HRTimeline
Fayez Sarofim & Coin group Fayez Sarofim & Co91,531$2.59M0.01%-283,04413F-HRTimelineGroup
Odyssean, LLC90,524$2.56M0.42%new13F-HRTimeline
SVB WEALTH LLC90,226$2.56M0.16%-5,83413F-HRTimeline
Woodline Partners LP89,781$2.54M0.01%+6,76813F-HRTimeline
GILDER GAGNON HOWE & CO LLC88,480$2.51M0.03%-2,61413F-HRTimeline
ASHFORD CAPITAL MANAGEMENT INC88,100$2.49M0.27%-14,39013F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC87,593$2.48M0.1%+17,24813F-HRTimelineGroup
KBC Group NVin group KBC Group NV86,623$2.45M0.01%-5,16013F-HRTimelineGroup
Retirement Systems of Alabama85,786$2.43M0.01%-4,21413F-HRTimeline
Orion Porfolio Solutions, LLC84,695$2.4M0.02%+36,24913F-HRTimeline
SEB Asset Management AB84,428$2.39M0.01%+1,03513F-HRTimeline
Linden Thomas Advisory Services, LLC83,079$2.35M0.19%+17,02013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS82,161$2.33M<0.01%+30,81013F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP81,676$2.31M<0.01%+2,27513F-HR/ATimelineGroup
VOYA INVESTMENT MANAGEMENT LLCgroup of 2 filers holding81,010$2.29M-12,306Timeline
Allianz SEgroup of 2 filers holding80,527$2.28M-3,526Timeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding79,154$2.24M-7,222Timeline
ProShare Advisors LLC77,813$2.2M<0.01%-533,47013F-HRTimeline
Red Spruce Capital, LLC76,448$2.17M0.75%+38,41313F-HRTimeline
XPONANCE LLC74,495$2.11M0.01%-2,03613F-HRTimeline
AMALGAMATED BANK71,562$2.03M0.01%-6,78813F-HRTimeline
State of Tennessee, Department of Treas…71,540$2.03M0.01%-42,80313F-HRTimeline
CenterBook Partners LP71,443$2.02M0.1%new13F-HRTimeline
HB Wealth Management, LLC71,357$2.02M0.01%+4,90013F-HRTimeline
Rakuten Group, Inc.group of 2 filers holding68,090$2M-20,276Timeline
Quantitative Investment Management, LLC69,418$1.97M0.21%-2,29813F-HRTimeline
Federation des caisses Desjardins du Qu…68,890$1.95M0.01%+24,84913F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC68,552$1.94M<0.01%+43,79813F-HRTimelineGroup
Delta Global Management LP68,094$1.93M0.21%new13F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…66,863$1.89M<0.01%+30,74713F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…66,753$1.89M<0.01%-17,93713F-HRTimelineGroup
Numerai GP LLC66,218$1.88M0.15%+21,99913F-HRTimeline
Bastion Asset Management Inc.67,716$1.87M0.63%new13F-HRTimeline
Employees Retirement System of Texas63,224$1.79M0.01%013F-HRTimeline
Quantbot Technologies LP62,491$1.77M0.07%+51,43613F-HRTimeline
BRITISH COLUMBIA INVESTMENT MANAGEMENT …62,411$1.77M0.01%+4,00913F-HRTimeline
Police & Firemen's Retirement System of…61,928$1.75M0.01%-2,20413F-HRTimeline
Utah Retirement Systems61,351$1.74M0.02%-6,43713F-HRTimeline
Atria Investments, Inc61,179$1.73M0.02%-20,64213F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…60,063$1.7M0.01%+2,58013F-HRTimelineGroup
Robeco Institutional Asset Management B…in group Robeco Institutional Asset Ma…57,913$1.64M<0.01%+11,89513F-HRTimelineGroup
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…57,625$1.63M0.01%+8,90613F-HRTimelineGroup
NISSAY ASSET MANAGEMENT CORP /JAPAN56,761$1.61M0.01%-61,17613F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…56,711$1.61M0.01%-1,97513F-HRTimelineGroup
Sequoia Financial Advisors, LLC54,883$1.55M0.01%+3,19513F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC54,382$1.54M0.08%+35,64813F-HRTimeline
Diversify Advisory Services, LLCgroup of 2 filers holding51,140$1.49M+31,564Timeline
Skylands Capital, LLC52,150$1.48M0.18%+20,10013F-HRTimeline
GSA CAPITAL PARTNERS LLP51,986$1.47M0.09%+25,03613F-HRTimeline
Itau Unibanco Holding S.A.in group Itau Unibanco Holding S.A.51,607$1.46M0.03%-93213F-HRTimelineGroup
OCCUDO QUANTITATIVE STRATEGIES LP51,329$1.45M0.08%new13F-HRTimeline
SG Americas Securities, LLC51,113$1.45M<0.01%-221,23413F-HRTimeline
ROTHSCHILD INVESTMENT LLC50,882$1.44M0.05%+49,58013F-HRTimeline
Rafferty Asset Management, LLC50,821$1.44M<0.01%-256,32513F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND50,224$1.42M0.02%+1,70013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…50,070$1.42M<0.01%+1,15713F-HRTimelineGroup
AXQ CAPITAL, LP49,543$1.4M0.15%+19,07813F-HRTimeline
OP Asset Management Ltd48,694$1.38M0.01%+5,31013F-HRTimeline
Arax Advisory Partners47,374$1.34M0.01%+36,94413F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …46,572$1.32M<0.01%-40,65813F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\45,979$1.3M<0.01%-13,31413F-HRTimelineGroup
HAHN CAPITAL MANAGEMENT LLC44,884$1.27M0.77%-1,56313F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD44,296$1.25M0.01%+5,30013F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC44,013$1.25M0.04%new13F-HRTimelineGroup
Machina Capital S.A.S.42,412$1.2M0.19%new13F-HRTimeline
National Pension Service42,241$1.2M<0.01%-660,43713F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC42,090$1.19M0.01%-59213F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…42,054$1.19M0.01%-3,02413F-HRTimelineGroup
PICTON MAHONEY ASSET MANAGEMENT40,904$1.16M0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…40,563$1.15M<0.01%-141,10013F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP40,369$1.14M0.07%new13F-HRTimeline
State of Alaska, Department of Revenue40,012$1.13M0.01%-1,87413F-HRTimeline
PLATINUM INVESTMENT MANAGEMENT LTD40,000$1.13M0.28%-37,50013F-HRTimeline
Potomac Capital Management, Inc.40,000$1.13M0.83%+28,00013F-HRTimeline
PensionDanmark Pensionsforsikringsaktie…39,466$1.12M0.01%-98,50013F-HRTimeline
Merit Financial Group, LLC39,432$1.12M0.01%+26,53113F-HR/ATimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.38,973$1.1M<0.01%+8,47013F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC38,892$1.1M<0.01%+25,53213F-HRTimelineGroup
UniSuper Management Pty Ltd38,884$1.1M0.01%-14,78313F-HRTimeline
Kentucky Retirement Systemsgroup of 2 filers holding37,302$1.06M+26,313Timeline
SCOTIA CAPITAL INC.36,646$1.04M<0.01%+1,58113F-HRTimeline
REGIONS FINANCIAL CORPin group REGIONS FINANCIAL CORP36,601$1.04M0.01%-4,91513F-HRTimelineGroup
BI Asset Management Fondsmaeglerselskab…in group BI Asset Management Fondsmaeg…36,355$1.03M0.01%+32,90313F-HRTimelineGroup
Cambridge Investment Research Advisors,…36,155$1.02M<0.01%-67613F-HR/ATimeline
Sanctuary Advisors, LLC36,059$1.02M<0.01%-1,24113F-HRTimeline
BRIGHTON JONES LLC35,127$995K0.02%+23,63213F-HRTimeline
Liontrust Investment Partners LLP35,058$993K0.01%013F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC34,898$988K0.01%+19,87013F-HRTimelineGroup
FORMULA GROWTH LTD34,000$963K0.34%013F-HRTimeline
AE Wealth Management LLC33,896$960K<0.01%+14,06513F-HRTimeline
Barbara Oil Co.32,000$948K0.32%013F-HRTimeline
Summit Trail Advisors, LLC33,067$936K0.01%+9,28213F-HRTimeline
Pacer Advisors, Inc.32,881$931K<0.01%-14,21113F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP32,555$922K<0.01%-18,56313F-HRTimelineGroup
QRG CAPITAL MANAGEMENT, INC.32,305$915K0.01%+1,36613F-HR/ATimeline
EagleClaw Capital Managment, LLC32,250$913K0.12%-1,50013F-HRTimeline
Gulf International Bank (UK) Ltd32,261$913K0.02%-59013F-HRTimeline
Knollwood Investment Advisory, LLC32,150$910K0.08%-9,71313F-HRTimeline
Ethic Inc.31,997$906K0.01%+5,36313F-HRTimeline
MIZUHO FINANCIAL GROUP INCgroup of 2 filers holding31,970$905K-269,528Timeline
Bleakley Financial Group, LLC31,524$893K0.01%new13F-HRTimeline
KORNITZER CAPITAL MANAGEMENT INC /KS31,101$881K0.02%-176,66513F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…30,993$878K0.02%-39,02313F-HRTimelineGroup
Portside Wealth Group, LLC30,382$860K0.1%-7,14613F-HRTimeline
CHILTON INVESTMENT CO INC.30,320$859K0.02%new13F-HRTimeline
L. Roy Papp & Associates, LLP29,990$849K0.09%-2,89913F-HRTimeline
Saudi Central Bank29,386$832K0.01%+13,74213F-HRTimeline
PERSONAL CFO SOLUTIONS, LLC29,084$824K0.12%-5,50113F-HRTimeline
D.A. DAVIDSON & CO.28,891$818K<0.01%-2,33713F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG28,620$811K0.01%-2,03713F-HRTimelineGroup
MATTERN CAPITAL MANAGEMENT, LLC28,450$806K0.09%+8,70513F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC28,261$800K<0.01%+4,61513F-HRTimelineGroup
Eurizon Capital SGR S.p.A.28,014$795K<0.01%-14,02313F-HRTimeline
Janney Montgomery Scott LLC27,730$785K<0.01%+1,24513F-HRTimeline
Chicago Partners Investment Group LLC28,290$768K0.02%+10,33613F-HRTimeline
Pallas Capital Advisors LLC26,889$761K0.02%+19,45213F-HRTimeline
Investment Management Corp of Ontario26,769$758K0.01%-3,60013F-HRTimeline
Harbor Advisors LLC26,560$752K0.09%013F-HRTimeline
Pacific Capital Partners Ltd26,559$752K0.65%+9,25913F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP26,418$748K<0.01%-5,71913F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP26,261$744K<0.01%-812,78313F-HRTimelineGroup
Parallel Advisors, LLC26,257$744K0.01%+5,91113F-HRTimeline
PRUDENTIAL PLCin group PRUDENTIAL PLC26,124$740K<0.01%013F-HRTimelineGroup
Malaga Cove Capital, LLC26,083$739K0.24%-3,35713F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC25,948$735K<0.01%-35,15413F-HRTimelineGroup
Bridgefront Capital, LLC25,853$732K0.19%+15,04813F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding25,846$732K-3,936Timeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…25,530$723K<0.01%-111,19713F-HRTimeline
GUIDANCE CAPITAL, INC23,566$716K0.15%+2,55213F-HRTimeline
Cresset Asset Management, LLC25,258$715K<0.01%+15,28713F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd25,018$709K0.01%new13F-HRTimelineGroup
Badgley Phelps Wealth Managers, LLC24,944$706K0.01%-12,15013F-HRTimeline
&PARTNERS24,815$702K<0.01%-3,63913F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The24,748$701K0.01%-15,91613F-HRTimelineGroup
Stephens Investment Management Group LLCgroup of 2 filers holding24,619$697K-890,492Timeline
Grantham, Mayo, Van Otterloo & Co. LLC24,564$696K<0.01%new13F-HRTimeline
SlateStone Wealth, LLC24,538$695K0.05%-6,22713F-HRTimeline
Wealthfront Advisers LLC24,534$695K<0.01%+3,59813F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC24,465$693K<0.01%+10,16413F-HRTimelineGroup
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…24,222$686K<0.01%+13,65913F-HRTimelineGroup
Oak Thistle LLC24,165$684K0.07%-60,70213F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC24,161$684K<0.01%+2,99813F-HRTimelineGroup
Crossmark Global Holdings, Inc.24,026$680K0.01%+59713F-HRTimeline
Krilogy Financial LLC24,016$680K0.02%new13F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC23,806$674K0.01%+14,01713F-HRTimelineGroup
Spire Wealth Managementin group Spire Wealth Management23,713$672K0.02%+23,21013F-HRTimelineGroup
Dynamic Technology Lab Private Ltd23,651$670K0.15%+7,09813F-HRTimeline
Meeder Advisory Services, Inc.group of 2 filers holding23,569$667K+18,177Timeline
Verdence Capital Advisors LLC23,556$667K0.04%-20,36813F-HRTimeline
M&T Bank Corpin group M&T Bank Corp23,555$666K<0.01%+2,85413F-HRTimelineGroup
FOX RUN MANAGEMENT, L.L.C.23,520$666K0.11%+18,17213F-HRTimeline
Board of the Pension Protection Fund23,500$666K0.63%new13F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …22,420$658K<0.01%+4,12013F-HRTimelineGroup
PATTEN & PATTEN INC/TN22,522$638K0.03%+13,77513F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO22,424$635K0.02%-1,85913F-HRTimeline
MAI Capital Management21,915$621K<0.01%+17,94213F-HRTimeline
TOKIO MARINE ASSET MANAGEMENT CO LTDin group TOKIO MARINE HOLDINGS, INC.21,912$621K0.02%+2,14213F-HRTimelineGroup
EntryPoint Capital, LLC21,757$616K0.15%+1,96913F-HRTimeline
Candriam S.C.A.21,565$610K<0.01%+5313F-HRTimeline
Atom Investors LP21,342$604K0.05%-19,05613F-HRTimeline
Maryland State Retirement & Pension Sys…21,232$601K0.01%013F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD21,100$598K0.02%+1,50013F-HRTimeline
Louisiana State Employees Retirement Sy…20,900$592K0.01%-28,30013F-HR/ATimeline
Three Seasons Wealth, LLC20,828$590K0.05%-5,81613F-HRTimeline
Institute for Wealth Management, LLC.20,026$567K0.05%-1,11513F-HRTimeline
JBF Capital, Inc.20,000$566K0.07%new13F-HRTimeline
Frec Markets, Inc.in group Frec Markets, Inc.19,877$563K0.05%new13F-HRTimelineGroup
111 Capital19,729$559K0.1%+9,72613F-HRTimeline
Bull Harbor Capital LLC19,692$558K0.11%new13F-HRTimeline
Quotient Wealth Partners, LLC18,821$533K0.01%+69713F-HRTimeline
DoubleLine ETF Adviser LP18,744$531K0.22%-3,34113F-HRTimeline
Schonfeld Strategic Advisors LLC18,670$529K<0.01%new13F-HRTimeline
NewEdge Wealth, LLC18,538$525K0.01%+2,73713F-HRTimeline
SummitTX Capital, L.P.18,229$516K0.01%new13F-HRTimeline
PARAGON CAPITAL MANAGEMENT INC18,183$515K0.38%-17713F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC17,763$503K<0.01%+8813F-HRTimelineGroup
Intellectus Partners, LLC17,757$503K0.09%-4,03913F-HRTimeline
Snowden Capital Advisors LLC17,586$498K0.01%+10,64413F-HRTimeline
Wedmont Private Capital17,302$491K0.01%new13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC17,319$490K<0.01%+3,44513F-HRTimeline
Savvy Advisors, Inc.17,251$489K0.01%+10,84713F-HRTimeline
Empowered Funds, LLC17,174$486K<0.01%-23,81313F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…17,121$485K<0.01%-6,05913F-HRTimelineGroup
Fielder Capital Group LLC16,784$475K0.1%new13F-HRTimeline
RMR Wealth Builders16,749$474K0.03%+17313F-HRTimeline