Who owns CoStar?

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Analyze quarterly positions in CoStar with up to 7 years of data, all consolidated into one spreadsheet

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Top investors of CoStar stock

Who bought or sold CoStar this quarter?

Fund or Company Name Shares Held Valued At Change in Shares As Of Actions
Vanguard Group 70M $5.9B 2% Sep 2025
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BlackRock 36M $3.0B 3% Sep 2025
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Bamco 19M $1.6B -2% Sep 2025
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Principal Financial Group 19M $1.6B 0% Sep 2025
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State Street Corporation 18M $1.5B 3% Sep 2025
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Geode Capital Management 13M $1.1B 2% Sep 2025
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Akre Capital Management 9.3M $785M 0% Sep 2025
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Baillie Gifford & Co 8.2M $695M -3% Sep 2025
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Morgan Stanley 7.4M $596M 100% Jun 2025
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Massachusetts Financial Services 7.4M $625M 12% Sep 2025
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Capital Research and Management Company - Division 3 6.8M $573M -54% Sep 2025
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Polen Capital Management 6.4M $538M -8% Sep 2025
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Henderson Group 6.2M $524M 11638% Sep 2025
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Mizuho Markets Americas 5.1M $432M -13% Sep 2025
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Capital Research Global Investors 5.0M $421M 27% Sep 2025
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UBS Group 4.6M $389M -2% Sep 2025
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Invesco 4.5M $383M 2% Sep 2025
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Bank of New York Mellon 4.4M $368M -10% Sep 2025
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Macquarie Group 4.3M $360M -12% Sep 2025
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Vulcan Value Partners 3.8M $323M 3% Sep 2025
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Northern Trust 3.8M $317M -3% Sep 2025
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Franklin Resources 3.7M $315M 9% Sep 2025
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T. Rowe Price Investment Management 3.5M $296M -46% Sep 2025
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Nuveen 3.5M $296M 224% Sep 2025
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Tiger Global Management 3.2M $274M 0% Sep 2025
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Amundi 3.1M $254M -2% Sep 2025
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William Blair $ Company 3.1M $264M 9% Sep 2025
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Third Point 3.0M $255M -2% Sep 2025
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Legal & General Group 2.7M $228M 8% Sep 2025
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Charles Schwab Investment Management 2.7M $224M -14% Sep 2025
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Brown Advisory Holdings Incorporated 2.5M $208M -8% Sep 2025
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Ubs Global Asset Management Americas 2.5M $208M -18% Sep 2025
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Bnp Paribas Investment Partners 2.4M $206M 8% Sep 2025
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Dimensional Fund Advisors 2.2M $189M 3% Sep 2025
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Goldman Sachs Group 2.2M $185M -41% Sep 2025
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Df Dent & Co 2.2M $184M -4% Sep 2025
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Fayez Sarofim & Co 2.2M $184M 1% Sep 2025
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Citadel Advisors 2.2M $182M 763% Sep 2025
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RGM Capital 2.1M $177M -1% Sep 2025
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Jpmorgan Chase & Co 1.9M $162M -23% Sep 2025
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Viking Global Investors 1.8M $156M -43% Sep 2025
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Ing Investment Management 1.8M $156M 50% Sep 2025
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Atlantic Trust 1.8M $154M -1% Sep 2025
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Beck Mack & Oliver 1.7M $145M 0% Sep 2025
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Envestnet Asset Management 1.7M $144M -2% Sep 2025
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Riverbrige Partners 1.7M $140M -5% Sep 2025
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Mackenzie Financial 1.6M $139M -12% Sep 2025
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FMR 1.6M $133M 22% Sep 2025
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Federated Investors 1.5M $124M 0% Sep 2025
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Deutsche Bank Aktiengesellschaft 1.3M $108M -16% Sep 2025
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Kensico Capital Management Corp 1.3M $108M 0% Sep 2025
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Royal Bank of Canada 1.3M $108M 0% Sep 2025
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Barclays 1.3M $107M 8% Sep 2025
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Bares Capital Management 1.2M $104M 1% Sep 2025
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Ameriprise Financial 1.2M $103M 13% Sep 2025
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Swiss National Bank 1.2M $103M -5% Sep 2025
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Wells Fargo & Company 1.1M $96M -15% Sep 2025
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Sumitomo Mitsui Trust Holdings 1.1M $93M 7% Sep 2025
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Harding Loevner 1.1M $91M -26% Sep 2025
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Mitsubishi UFJ Asset Management 1.0M $85M 9% Sep 2025
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Spyglass Capital Management 1.0M $85M 25% Sep 2025
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Colony 998k $84M 1% Sep 2025
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Chicago Capital 960k $81M 0% Sep 2025
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D. E. Shaw & Co 906k $76M -1% Sep 2025
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ShawSpring Partners 896k $76M -34% Sep 2025
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Pictet Asset Management Holding SA 849k $72M -7% Sep 2025
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TimesSquare Capital Management 807k $68M 0% Sep 2025
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Luke P. La Valle, Jr. 794k $67M 0% Sep 2025
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Susquehanna International 792k $67M -17% Sep 2025
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Rhumbline Advisers 790k $67M 1% Sep 2025
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Raymond James Financial 769k $65M 16% Sep 2025
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Stephens Investment Management Group 767k $65M -1% Sep 2025
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Peregrine Capital Management 761k $64M 9% Sep 2025
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Kayne Anderson Rudnick Investment Management 742k $63M -5% Sep 2025
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Hsbc Holdings 736k $62M -1% Sep 2025
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CalPERS 731k $62M 6% Sep 2025
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Wallace R. Weitz 720k $61M -6% Sep 2025
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Baird Financial 708k $60M -23% Sep 2025
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Ensign Peak Advisors 698k $59M -10% Sep 2025
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California State Teachers Retirement System 696k $59M 0% Sep 2025
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CI Investments 681k $57M -4% Sep 2025
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First Trust Advisors 675k $57M 9% Sep 2025
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Bnp Paribas Arbitrage, Snc 672k $57M -47% Sep 2025
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Sei Investments 672k $57M 3% Sep 2025
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Millennium Management 661k $56M 50% Sep 2025
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Douglas Lane & Associates 655k $55M 12% Sep 2025
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Parnassus Investments 637k $54M -3% Sep 2025
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Marshall Wace 636k $54M 402% Sep 2025
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Canada Pension Plan Investment Board 634k $54M 19% Sep 2025
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Natixis Asset Management Advisors 571k $48M 6% Sep 2025
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National Pension Service 554k $47M 2% Sep 2025
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American Century Companies 552k $47M 682% Sep 2025
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Telemark Asset Management 550k $46M 0% Sep 2025
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ProShare Advisors 548k $46M -17% Sep 2025
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Ion Asset Management 534k $45M -54% Sep 2025
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ThornTree Capital Partners 510k $43M 0% Sep 2025
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Frontier Capital Management 491k $41M -7% Sep 2025
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Russell Investments 475k $40M 6% Sep 2025
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Mitsubishi UFJ Trust & Banking Corp 466k $39M -2% Sep 2025
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Alliancebernstein 465k $39M 1% Sep 2025
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TD Asset Management 455k $38M -33% Sep 2025
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Arrowstreet Capital, Limited Partnership 454k $38M -19% Sep 2025
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No Street GP 450k $38M 5% Sep 2025
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Geneva Capital Management 436k $37M -3% Sep 2025
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Ironvine Capital Partners 430k $36M -2% Sep 2025
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Great-West Life Assurance Company 430k $36M 5% Sep 2025
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Visualize Group 429k $36M 443% Sep 2025
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Neuberger Berman Group 422k $36M 59% Sep 2025
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Bank Of Montreal 420k $34M 100% Jun 2025
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Royal London Asset Management 407k $34M 1% Sep 2025
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Quantum Capital Management 403k $34M 0% Sep 2025
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ClearBridge Advisors 399k $34M 0% Sep 2025
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Florida State Board of Administration 391k $33M -4% Sep 2025
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Adage Capital Partners GP 386k $33M 0% Sep 2025
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Jupiter Asset Management 383k $32M 100% Sep 2025
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NZS Capital 373k $32M 7% Sep 2025
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AXA Investment Managers 371k $31M 100% Sep 2025
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Ycg 359k $30M -18% Sep 2025
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Caden Capital Partners 350k $30M -8% Sep 2025
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LGT Group Foundation 343k $29M 95% Sep 2025
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Aureus Asset Management 339k $29M 34% Sep 2025
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Petrus Trust Company 337k $28M 3% Sep 2025
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Sone Capital Management 334k $28M 100% Sep 2025
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Victory Capital Management 328k $28M -2% Sep 2025
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AQR Capital Management 324k $27M -11% Sep 2025
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New York State Teachers Retirement System 323k $27M 0% Sep 2025
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Standard Life Aberdeen 312k $26M 20% Sep 2025
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Investec Asset Management 311k $26M -3% Sep 2025
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Mirae Asset Global Etfs Holdings 311k $26M -8% Sep 2025
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Swedbank AB 302k $26M 21% Sep 2025
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Healthcare Of Ontario Pension Plan Trust Fund 295k $25M -36% Sep 2025
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Allspring Global Investments Holdings 289k $24M -11% Sep 2025
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Ashford Capital Management 281k $24M -4% Sep 2025
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Gilder, Gagnon, Howe & Co 279k $24M 13% Sep 2025
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Oppenheimer Asset Management 275k $23M -4% Sep 2025
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Stifel Financial 271k $23M -7% Sep 2025
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Ulysses Management 271k $23M 0% Sep 2025
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Granahan Investment Management 270k $23M -10% Sep 2025
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Jane Street 269k $23M 92% Sep 2025
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Aviva 268k $23M 6% Sep 2025
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Lateef Investment Management 266k $22M -7% Sep 2025
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Universal- Beteiligungs- und Servicegesellschaft mbH 259k $22M 2% Sep 2025
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Motley Fool Wealth Management 256k $22M -12% Sep 2025
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Manufacturers Life Insurance Company 255k $22M -3% Sep 2025
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State of Wisconsin Investment Board 252k $21M 12% Sep 2025
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Peak6 246k $21M 24% Sep 2025
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Korea Investment Corporation 245k $21M 34% Sep 2025
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Prudential Financial 240k $20M -2% Sep 2025
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APG All Pensions Group NV 235k $17M 3% Sep 2025
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Kornitzer Capital Management 232k $20M -14% Sep 2025
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Intrinsic Edge Capital Management 224k $19M -15% Sep 2025
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National Bank Of Canada /fi/ 203k $17M -51% Sep 2025
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Gillson Capital 149k $13M -58% Sep 2025
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LPL Financial 149k $13M -68% Sep 2025
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SG Capital Management 95k $8.0M -90% Sep 2025
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Ownership Capital B.V. 51k $4.3M -89% Sep 2025
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Who sold out of CoStar?

Fund or Company Name Date Sold Shares Held Valued At
Norges Bank Investment Management Jun 2025 5.3M $427M
Candlestick Capital Management Jun 2025 596k $48M
Bridgewater Associates Jun 2025 433k $35M