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Disclosery

CSGP COSTAR GROUP INC

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Stock (common), issuer CIK 1057352

767 managers (797 13F filers) reported a position in CSGP shares at 2026-03-31, 415,945,582 shares in all. 115 filers opened a position and 166 filers sold out during the quarter.

Managers
767
13F filers
797
New
115
Added
309
Reduced
276
Sold out
166
Shares held by filers
415,945,582

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
Dash Acquisitions Inc.104,377$4.18M0.87%+15,60813F-HRTimeline
ASHFORD CAPITAL MANAGEMENT INC102,490$4.13M0.51%-145,46913F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd101,423$4.09M0.14%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…101,261$4.08M0.02%-2,72913F-HRTimelineGroup
IEQ CAPITAL, LLC99,244$4M0.02%+84,67413F-HRTimeline
Swedbank ABin group Swedbank AB98,881$3.99M<0.01%-204,32413F-HRTimelineGroup
Creative Planningin group Creative Planning97,231$3.92M<0.01%+42,74113F-HRTimelineGroup
SVB WEALTH LLC96,060$3.88M0.26%+29,65013F-HRTimeline
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA94,485$3.81M0.01%+13,45013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCgroup of 2 filers holding93,316$3.76M-4,840Timeline
Holocene Advisors, LP92,988$3.75M0.01%new13F-HRTimeline
KBC Group NVin group KBC Group NV91,783$3.7M0.01%-1,75213F-HRTimelineGroup
GILDER GAGNON HOWE & CO LLC91,094$3.67M0.04%-148,94013F-HRTimeline
Retirement Systems of Alabama90,000$3.63M0.01%-16113F-HRTimeline
Rakuten Group, Inc.group of 2 filers holding88,366$3.61M+9,694Timeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC88,384$3.57M0.03%-20,46213F-HRTimelineGroup
DNB Asset Management ASin group DNB Asset Management AS88,222$3.56M0.01%+3,01513F-HRTimelineGroup
GF FUND MANAGEMENT CO. LTD.86,853$3.5M0.06%-2,54613F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding86,376$3.48M+78,510Timeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …87,230$3.48M<0.01%+42,65513F-HRTimelineGroup
IFM Investors Pty Ltd85,669$3.46M0.03%+2,71113F-HRTimeline
Oak Thistle LLC84,867$3.42M0.33%+64,55313F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…84,690$3.42M<0.01%+8,43713F-HRTimelineGroup
EXCHANGE TRADED CONCEPTS, LLC84,449$3.41M0.03%+17,55213F-HRTimeline
Allianz SEgroup of 2 filers holding84,053$3.39M+6,226Timeline
CAXTON ASSOCIATES LLP83,948$3.39M0.08%new13F-HRTimeline
SEB Asset Management AB83,393$3.36M0.01%13F-HRTimeline
Woodline Partners LP83,013$3.35M0.01%+10,70413F-HR/ATimeline
Atria Investments, Inc81,821$3.3M0.04%+41,02413F-HRTimeline
Solidarity Wealth, LLC81,303$3.28M0.63%+20,63413F-HRTimeline
STRS OHIO80,988$3.27M0.01%-1513F-HRTimeline
MML INVESTORS SERVICES, LLC80,237$3.24M0.01%-12,04013F-HRTimeline
AMALGAMATED BANK78,350$3.16M0.02%-1,47313F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP79,401$3.16M<0.01%-7,59913F-HRTimelineGroup
USS Investment Management Ltd78,020$3.14M0.01%+3,39813F-HRTimeline
ICICI Prudential Asset Management Co Ltd77,557$3.13M0.38%+70,75613F-HRTimeline
PLATINUM INVESTMENT MANAGEMENT LTD77,500$3.13M0.79%+12,50013F-HRTimeline
XPONANCE LLC76,531$3.09M0.02%+9,32813F-HRTimeline
Edgestream Partners, L.P.74,431$3M0.1%+58,62613F-HRTimeline
Vanderbilt University73,753$2.98M0.57%-53,50713F-HRTimeline
Trexquant Investment LP73,067$2.95M0.02%new13F-HRTimeline
Quantitative Investment Management, LLC71,716$2.89M0.3%+35,96713F-HRTimeline
Blue Zone Wealth Advisors, LLC71,468$2.88M0.59%-8813F-HRTimeline
Havemeyer Place LP71,065$2.87M0.33%+67,84013F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC70,345$2.84M0.17%+26,87313F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…70,016$2.82M0.07%+41,79613F-HRTimelineGroup
Utah Retirement Systems67,788$2.73M0.03%-1,12713F-HRTimeline
HB Wealth Management, LLC66,457$2.68M0.02%-7,34713F-HRTimeline
Linden Thomas Advisory Services, LLC66,059$2.66M0.26%+25,24913F-HRTimeline
Man Group plcin group Man Group plc64,729$2.61M0.01%-160,52413F-HRTimelineGroup
Buttonwood Financial Advisors Inc.64,632$2.61M0.87%+57,55113F-HRTimeline
Police & Firemen's Retirement System of…64,132$2.59M0.02%+27513F-HRTimeline
Employees Retirement System of Texas63,224$2.55M0.02%013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC61,958$2.5M<0.01%-14,63713F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC61,102$2.46M<0.01%-108,56513F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\59,293$2.39M<0.01%-5,19213F-HRTimelineGroup
IVY LANE CAPITAL MANAGEMENT, LLC59,000$2.38M3.6%new13F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…58,686$2.37M0.02%+76213F-HRTimelineGroup
BRITISH COLUMBIA INVESTMENT MANAGEMENT …58,402$2.36M0.01%-16,73613F-HRTimeline
Americana Partners, LLC57,568$2.32M0.06%+50,19013F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…57,483$2.32M0.02%-14,10713F-HRTimelineGroup
NORTH STAR ASSET MANAGEMENT INC54,422$2.2M0.1%+15,92013F-HRTimeline
UniSuper Management Pty Ltd53,667$2.16M0.01%+7,02313F-HRTimeline
Itau Unibanco Holding S.A.in group Itau Unibanco Holding S.A.52,539$2.12M0.05%-35,14813F-HR/ATimelineGroup
Sequoia Financial Advisors, LLC51,688$2.09M0.01%+2,32413F-HRTimeline
CAPTRUST FINANCIAL ADVISORS51,351$2.07M<0.01%+18,11713F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP51,118$2.06M<0.01%-31,12013F-HRTimelineGroup
iA Global Asset Management Inc.50,393$2.03M0.03%-2,28713F-HRTimeline
CWM, LLCin group CWM, LLC49,740$2.01M0.01%+29,02313F-HRTimelineGroup
Louisiana State Employees Retirement Sy…49,200$1.98M0.03%-80013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…48,913$1.97M<0.01%-4,75513F-HRTimelineGroup
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…48,719$1.97M0.01%+9,54413F-HRTimelineGroup
SHELTON CAPITAL MANAGEMENT48,672$1.96M0.04%-9113F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND48,524$1.96M0.03%013F-HRTimeline
Orion Porfolio Solutions, LLC48,446$1.95M0.02%+23,72513F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV47,777$1.93M<0.01%+18,77213F-HRTimeline
Pacer Advisors, Inc.47,092$1.9M0.01%-17,23813F-HR/ATimeline
HAHN CAPITAL MANAGEMENT LLC46,447$1.87M1.18%-9,40113F-HRTimeline
CAPITAL FUND MANAGEMENT S.A.46,353$1.87M0.02%new13F-HRTimeline
Robeco Institutional Asset Management B…in group Robeco Institutional Asset Ma…46,018$1.86M<0.01%-22,13713F-HRTimelineGroup
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/45,497$1.84M<0.01%-308,11813F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…45,078$1.82M0.02%-14,50113F-HRTimelineGroup
Numerai GP LLC44,219$1.78M0.18%+14,08413F-HRTimeline
Federation des caisses Desjardins du Qu…44,041$1.78M0.01%+29,09913F-HRTimeline
Verdence Capital Advisors LLC43,924$1.77M0.1%+19,15413F-HRTimeline
New Age Alpha Advisors, LLC43,662$1.76M0.08%-1,51513F-HRTimeline
OP Asset Management Ltd43,384$1.75M0.02%-2,89813F-HR/ATimeline
YOUSIF CAPITAL MANAGEMENT, LLC42,682$1.72M0.02%-72613F-HRTimeline
NISA INVESTMENT ADVISORS, LLC42,624$1.72M0.01%+9,16213F-HRTimeline
Eurizon Capital SGR S.p.A.42,037$1.7M0.01%-22,23913F-HRTimeline
State of Alaska, Department of Revenue41,886$1.69M0.02%013F-HRTimeline
Knollwood Investment Advisory, LLC41,863$1.69M0.17%013F-HRTimeline
REGIONS FINANCIAL CORPin group REGIONS FINANCIAL CORP41,516$1.67M0.01%-14,41313F-HRTimelineGroup
Empowered Funds, LLC40,987$1.65M0.01%+31,44613F-HR/ATimeline
Oakum Bay Capital LLC40,965$1.65M0.89%+35,46513F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …40,911$1.65M<0.01%new13F-HRTimelineGroup
Norinchukin Bank, Thein group Norinchukin Bank, The40,664$1.64M0.02%+1,34413F-HRTimelineGroup
Atom Investors LP40,398$1.63M0.12%+36,43913F-HRTimeline
NORDEN GROUP LLC39,418$1.59M0.15%+29,01113F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD38,996$1.57M0.01%-30,70213F-HRTimelineGroup
Entropy Technologies, LP38,653$1.56M0.07%+25,53213F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC38,553$1.56M0.01%+14,01913F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…38,579$1.54M<0.01%+17,06213F-HRTimeline
Red Spruce Capital, LLC38,035$1.53M0.63%+16,13713F-HRTimeline
Portside Wealth Group, LLC37,528$1.51M0.21%+18,38013F-HRTimeline
Sanctuary Advisors, LLC37,300$1.5M0.01%+13,02913F-HRTimeline
Badgley Phelps Wealth Managers, LLC37,094$1.5M0.03%-129,15913F-HRTimeline
Cambridge Investment Research Advisors,…36,831$1.49M<0.01%-1,02013F-HRTimeline
Fideuram Asset Management (Ireland) dac23,508$1.48M0.19%+22,56313F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…36,116$1.46M<0.01%-85,24413F-HRTimelineGroup
STOREBRAND ASSET MANAGEMENT AS36,078$1.46M<0.01%-41,65413F-HRTimeline
Headlands Technologies LLC35,428$1.43M0.16%new13F-HRTimeline
Qsemble Capital Management, LP35,343$1.43M0.11%new13F-HRTimeline
SCOTIA CAPITAL INC.35,065$1.41M0.01%+1,70913F-HRTimeline
Liontrust Investment Partners LLP35,058$1.41M0.02%+6,73413F-HR/ATimeline
PERSONAL CFO SOLUTIONS, LLC34,585$1.4M0.2%+23,61413F-HRTimeline
FORMULA GROWTH LTD34,000$1.37M0.62%013F-HRTimeline
EagleClaw Capital Managment, LLC33,750$1.36M0.19%-40013F-HRTimeline
L. Roy Papp & Associates, LLP32,889$1.33M0.15%-36513F-HRTimeline
Gulf International Bank (UK) Ltd32,851$1.32M0.03%+11,06913F-HRTimeline
PROFUND ADVISORS LLC32,545$1.31M0.05%-8,12613F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP32,137$1.3M<0.01%-1,04613F-HRTimeline
Skylands Capital, LLC32,050$1.29M0.17%+15,00013F-HRTimeline
Barbara Oil Co.32,000$1.29M0.5%013F-HRTimeline
D.A. DAVIDSON & CO.31,228$1.26M0.01%-2,35413F-HRTimeline
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …31,007$1.25M0.05%-63713F-HRTimelineGroup
QRG CAPITAL MANAGEMENT, INC.30,939$1.25M0.01%+4,98713F-HRTimeline
SlateStone Wealth, LLC30,765$1.24M0.1%-1,46113F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG30,657$1.24M0.01%+8,46113F-HRTimelineGroup
CENTAURUS FINANCIAL, INC.30,534$1.23M0.06%-1,18613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.30,503$1.23M<0.01%+17,39413F-HRTimelineGroup
AXQ CAPITAL, LP30,465$1.23M0.16%new13F-HRTimeline
Investment Management Corp of Ontario30,369$1.23M0.02%-8,47413F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding29,782$1.2M-23,627Timeline
Malaga Cove Capital, LLC29,440$1.19M0.43%-1,33613F-HRTimeline
&PARTNERS28,454$1.15M0.01%+5,52713F-HRTimeline
DRW Securities, LLC27,773$1.12M0.06%+22,10113F-HRTimeline
Waterway Wealth Management, LLC27,670$1.12M0.25%+16,24613F-HRTimeline
GSA CAPITAL PARTNERS LLP26,950$1.09M0.07%new13F-HRTimeline
Three Seasons Wealth, LLC26,644$1.07M0.41%+18,85813F-HRTimeline
Ethic Inc.26,634$1.07M0.02%+1,95513F-HRTimeline
Harbor Advisors LLC26,560$1.07M0.15%013F-HRTimeline
Janney Montgomery Scott LLC26,485$1.07M<0.01%-12,63613F-HRTimeline
PRUDENTIAL PLCin group PRUDENTIAL PLC26,124$1.05M0.01%013F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC26,037$1.05M0.03%new13F-HRTimelineGroup
Gibbs Wealth Management25,414$1.03M0.14%+15,21913F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC24,754$999K<0.01%+5,66313F-HRTimelineGroup
ExodusPoint Capital Management, LP24,483$988K0.01%-114,81313F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO24,283$980K0.03%-28913F-HRTimeline
Summit Trail Advisors, LLC23,785$959K0.01%+9,33013F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC23,646$954K<0.01%+69113F-HRTimelineGroup
Crossmark Global Holdings, Inc.23,429$945K0.01%-17013F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…23,180$935K<0.01%+6,78913F-HRTimelineGroup
Third View Private Wealth, LLC22,717$916K0.13%+88113F-HRTimeline
Aurora Investment Managers, LLC.22,187$895K0.66%-11513F-HRTimeline
DoubleLine ETF Adviser LP22,085$891K0.34%-5,39013F-HRTimeline
ASR Vermogensbeheer N.V.21,936$885K0.01%+36013F-HRTimeline
Intellectus Partners, LLC21,796$879K0.18%+15,43713F-HRTimeline
OMERS ADMINISTRATION Corp21,618$872K0.01%+4,53113F-HRTimeline
Candriam S.C.A.21,512$868K<0.01%+2,77313F-HRTimeline
Graham Capital Management, L.P.21,360$862K0.03%new13F-HRTimeline
Maryland State Retirement & Pension Sys…21,232$856K0.02%013F-HRTimeline
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC21,163$854K0.01%-2,01613F-HRTimelineGroup
Institute for Wealth Management, LLC.21,141$853K0.09%+5,48513F-HRTimeline
Wealthfront Advisers LLC20,936$845K<0.01%-5,34413F-HRTimeline
M&T Bank Corpin group M&T Bank Corp20,701$835K<0.01%+2,77913F-HR/ATimelineGroup
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…20,604$831K<0.01%-4,45413F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC20,538$829K<0.01%-19,26413F-HRTimeline
COMMERCE BANKin group COMMERCE BANK20,452$825K<0.01%+1,58313F-HRTimelineGroup
Parallel Advisors, LLC20,346$821K0.01%-44313F-HR/ATimeline
AE Wealth Management LLC19,831$800K<0.01%-4,68113F-HRTimeline
EntryPoint Capital, LLC19,788$798K0.23%+14,34913F-HRTimeline
TOKIO MARINE ASSET MANAGEMENT CO LTDin group TOKIO MARINE HOLDINGS, INC.19,770$798K0.03%+3,55913F-HRTimelineGroup
MATTERN CAPITAL MANAGEMENT, LLC19,745$797K0.1%+3,28213F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD19,600$791K0.02%013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC19,473$786K0.02%+13,93413F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…19,030$768K0.02%-15413F-HRTimelineGroup
PRAXIS INVESTMENT MANAGEMENT INC18,734$756K0.05%new13F-HRTimeline
PARAGON CAPITAL MANAGEMENT INC18,360$741K0.63%new13F-HRTimeline
FIRST FOUNDATION ADVISORSin group FIRST FOUNDATION ADVISORS18,296$738K0.03%-2,23913F-HRTimelineGroup
GUIDANCE CAPITAL, INC21,014$733K0.16%+5,98713F-HRTimeline
Quotient Wealth Partners, LLC18,124$731K0.02%-12313F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …18,300$725K<0.01%-164,57913F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC17,675$712K<0.01%-1,56913F-HRTimelineGroup
Pacific Capital Partners Ltd17,300$698K0.69%new13F-HRTimeline
Chicago Partners Investment Group LLC17,954$696K0.02%+1,11313F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC17,215$694K0.05%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC16,861$680K0.02%+14,21513F-HR/ATimeline
Unique Wealth Strategies, LLC16,770$677K0.28%new13F-HRTimeline
RMR Wealth Builders16,576$669K0.05%+54013F-HRTimeline
Diversify Advisory Services, LLCgroup of 2 filers holding19,576$668K+11,274Timeline
Dynamic Technology Lab Private Ltd16,553$668K0.11%new13F-HRTimeline
Osmosis Investment Management UK Ltd16,392$661K0.02%new13F-HRTimeline
Callan Family Office, LLCin group Callan Family Office, LLC16,337$659K0.01%-76913F-HRTimelineGroup
Sterling Capital Management LLC16,008$646K0.01%-16,29813F-HRTimeline
Redmond Asset Management, LLC15,915$642K0.18%+60613F-HRTimeline
BENJAMIN EDWARDS INCin group BENJAMIN EDWARDS INC15,895$641K0.01%-10813F-HRTimelineGroup
NewEdge Wealth, LLC15,801$637K0.01%+2,79213F-HRTimeline
Farringdon Capital, Ltd.15,697$633K0.14%new13F-HRTimeline
Lincoln Capital LLC15,693$633K0.12%-65413F-HRTimeline