Who owns CoStar?
- Ticker: CSGP
- CUSIP Number: 22160N109
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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 | $4.7B | 0% | Dec 2025 |
|
| Vanguard Portfolio Management | 38M | $1.5B | 100% | Mar 2026 |
|
| BlackRock | 34M | $1.4B | 0% | Mar 2026 |
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| Vanguard Capital Management | 27M | $1.1B | 100% | Mar 2026 |
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| State Street Corporation | 19M | $1.3B | 2% | Dec 2025 |
|
| Principal Financial Group | 18M | $714M | 1% | Mar 2026 |
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| Bamco | 16M | $658M | -16% | Mar 2026 |
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| Capital Research and Management Company - Division 3 | 16M | $626M | 43% | Mar 2026 |
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| Baillie Gifford & Co | 14M | $549M | 5% | Mar 2026 |
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| Polen Capital Management | 13M | $507M | 157% | Mar 2026 |
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| Geode Capital Management | 12M | $500M | 2% | Mar 2026 |
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| Akre Capital Management | 9.6M | $647M | 3% | Dec 2025 |
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| Goldman Sachs Group | 9.3M | $373M | 147% | Mar 2026 |
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| Henderson Group | 7.7M | $312M | 24% | Mar 2026 |
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| Invesco | 7.1M | $288M | 32% | Mar 2026 |
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| D. E. Shaw & Co | 5.9M | $238M | 553% | Mar 2026 |
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| Morgan Stanley | 5.4M | $218M | 2% | Mar 2026 |
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| Capital Research Global Investors | 4.4M | $176M | -21% | Mar 2026 |
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| Bank of America Corporation | 3.6M | $144M | 100% | Mar 2026 |
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| Northern Trust | 3.5M | $233M | -8% | Dec 2025 |
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| T. Rowe Price Investment Management | 3.5M | $233M | -1% | Dec 2025 |
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| Amundi | 3.3M | $132M | -20% | Mar 2026 |
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| Massachusetts Financial Services | 3.2M | $213M | -57% | Dec 2025 |
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| Legal & General Group | 3.0M | $122M | 6% | Mar 2026 |
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| Beck Mack & Oliver | 2.9M | $118M | 32% | Mar 2026 |
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| Bnp Paribas Investment Partners | 2.8M | $189M | 15% | Dec 2025 |
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| Ensign Peak Advisors | 2.7M | $110M | 373% | Mar 2026 |
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| Charles Schwab Investment Management | 2.7M | $179M | 0% | Dec 2025 |
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| Bank Of Montreal | 2.5M | $100M | 100% | Mar 2026 |
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| Ubs Global Asset Management Americas | 2.4M | $98M | 0% | Mar 2026 |
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| Dimensional Fund Advisors | 2.4M | $97M | 4% | Mar 2026 |
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| Bank of New York Mellon | 2.4M | $97M | -42% | Mar 2026 |
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| Vanguard Fiduciary Trust | 2.4M | $97M | 100% | Mar 2026 |
|
| Nomura Asset Management International | 2.3M | $94M | 100% | Mar 2026 |
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| Barclays | 2.3M | $156M | 83% | Dec 2025 |
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| Fayez Sarofim & Co | 2.2M | $151M | 3% | Dec 2025 |
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| Canada Pension Plan Investment Board | 2.0M | $81M | 171% | Mar 2026 |
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| RGM Capital | 2.0M | $134M | -5% | Dec 2025 |
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| Nuveen | 1.9M | $78M | -46% | Mar 2026 |
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| Deutsche Bank Aktiengesellschaft | 1.9M | $77M | 7% | Mar 2026 |
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| Envestnet Asset Management | 1.8M | $73M | 35% | Mar 2026 |
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| Citadel Advisors | 1.7M | $69M | 85% | Mar 2026 |
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| Mackenzie Financial | 1.6M | $66M | -1% | Mar 2026 |
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| Df Dent & Co | 1.6M | $65M | -20% | Mar 2026 |
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| Tremblant Capital Group | 1.5M | $61M | -8% | Mar 2026 |
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| Tiger Global Management | 1.5M | $61M | -34% | Mar 2026 |
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| Royal Bank of Canada | 1.4M | $58M | 12% | Mar 2026 |
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| Wells Fargo & Company | 1.4M | $57M | 59% | Mar 2026 |
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| Greenhouse Funds L | 1.4M | $56M | 100% | Mar 2026 |
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| Pictet Asset Management Holding SA | 1.4M | $55M | 30% | Mar 2026 |
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| Hsbc Holdings | 1.4M | $55M | 38% | Mar 2026 |
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| Atlantic Trust | 1.4M | $92M | -25% | Dec 2025 |
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| Capitolis Liquid Global Markets | 1.4M | $55M | 100% | Mar 2026 |
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| UBS Group | 1.3M | $54M | -37% | Mar 2026 |
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| Voloridge Investment Management | 1.3M | $54M | 100% | Mar 2026 |
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| Jane Street | 1.3M | $53M | 188% | Mar 2026 |
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| Federated Investors | 1.3M | $52M | -2% | Mar 2026 |
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| AQR Capital Management | 1.3M | $51M | 242% | Mar 2026 |
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| Swiss National Bank | 1.2M | $50M | 7% | Mar 2026 |
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| Riverbrige Partners | 1.2M | $50M | -16% | Mar 2026 |
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| FMR | 1.2M | $81M | -24% | Dec 2025 |
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| Squarepoint Ops | 1.1M | $45M | 41% | Mar 2026 |
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| Spyglass Capital Management | 1.1M | $45M | -30% | Mar 2026 |
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| Chicago Capital | 1.1M | $43M | 28% | Mar 2026 |
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| Mitsubishi UFJ Asset Management | 1.1M | $42M | -1% | Mar 2026 |
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| ShawSpring Partners | 958k | $64M | 7% | Dec 2025 |
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| Sumitomo Mitsui Trust Holdings | 954k | $39M | -5% | Mar 2026 |
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| Citigroup | 954k | $39M | 100% | Mar 2026 |
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| Vanguard Global Advisers | 928k | $37M | 100% | Mar 2026 |
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| Susquehanna International | 922k | $62M | 16% | Dec 2025 |
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| Harding Loevner | 920k | $62M | -15% | Dec 2025 |
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| William Blair $ Company | 900k | $36M | -56% | Mar 2026 |
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| Stephens Investment Management Group | 873k | $35M | -22% | Mar 2026 |
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| Corvex Management | 852k | $34M | 100% | Mar 2026 |
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| Colony | 841k | $57M | -16% | Dec 2025 |
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| First Trust Advisors | 839k | $34M | 19% | Mar 2026 |
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| Luke P. La Valle, Jr. | 825k | $33M | 0% | Mar 2026 |
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| Douglas Lane & Associates | 804k | $32M | 18% | Mar 2026 |
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| PRIMECAP Management Company | 804k | $32M | 432% | Mar 2026 |
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| TimesSquare Capital Management | 796k | $32M | -2% | Mar 2026 |
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| Rhumbline Advisers | 793k | $32M | 3% | Mar 2026 |
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| Bnp Paribas Arbitrage, Snc | 769k | $31M | -23% | Mar 2026 |
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| Wallace R. Weitz | 720k | $48M | 0% | Dec 2025 |
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| Vanguard Asset Management | 718k | $29M | 100% | Mar 2026 |
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| NZS Capital | 709k | $29M | 61% | Mar 2026 |
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| National Pension Service | 703k | $28M | 3% | Mar 2026 |
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| Peregrine Capital Management | 699k | $28M | -7% | Mar 2026 |
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| Ameriprise Financial | 688k | $28M | 12% | Mar 2026 |
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| Walleye Trading Advisors | 682k | $28M | 274% | Mar 2026 |
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| California State Teachers Retirement System | 667k | $27M | -2% | Mar 2026 |
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| Ardmore Road Asset Management | 667k | $27M | 100% | Mar 2026 |
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| Fil | 640k | $43M | 199% | Dec 2025 |
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| Kayne Anderson Rudnick Investment Management | 636k | $43M | -14% | Dec 2025 |
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| Petrus Trust Company | 629k | $42M | 87% | Dec 2025 |
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| Thompson, Siegel, & Walmsley | 615k | $25M | 100% | Mar 2026 |
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| ProShare Advisors | 611k | $25M | -19% | Mar 2026 |
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| Caisse de depot et placement du Quebec | 587k | $40M | 1462% | Dec 2025 |
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| CalPERS | 533k | $22M | -27% | Mar 2026 |
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| Prana Capital Management | 515k | $21M | 63% | Mar 2026 |
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| Raymond James Financial | 509k | $34M | -34% | Dec 2025 |
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| CIBC Bancorp USA | 500k | $20M | 170% | Mar 2026 |
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| Weiss Asset Management LP[1 | 498k | $20M | 1350% | Mar 2026 |
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| Northwood Liquid Management | 483k | $20M | 100% | Mar 2026 |
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| Fiera Capital Corporation | 482k | $19M | 37% | Mar 2026 |
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| Erste Asset Management GmbH | 450k | $18M | 41% | Mar 2026 |
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| Gotham Asset Management | 447k | $18M | 243% | Mar 2026 |
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| Geneva Capital Management | 438k | $18M | -3% | Mar 2026 |
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| Royal London Asset Management | 432k | $17M | 5% | Mar 2026 |
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| Mitsubishi UFJ Trust & Banking Corp | 424k | $17M | -11% | Mar 2026 |
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| Sone Capital Management | 417k | $28M | 25% | Dec 2025 |
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| Investec Asset Management | 415k | $17M | 17% | Mar 2026 |
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| Two Sigma Investments | 413k | $17M | 13653% | Mar 2026 |
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| Alliancebernstein | 408k | $27M | -3% | Mar 2026 |
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| Marshall Wace | 391k | $26M | -38% | Dec 2025 |
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| Sei Investments | 387k | $16M | -38% | Mar 2026 |
|
| Tudor Investment Corporation | 385k | $16M | -3% | Mar 2026 |
|
| Adage Capital Partners GP | 383k | $26M | -1% | Dec 2025 |
|
| Florida State Board of Administration | 376k | $15M | 0% | Mar 2026 |
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| Jupiter Asset Management | 376k | $15M | -80% | Mar 2026 |
|
| Ironvine Capital Partners | 371k | $25M | -14% | Dec 2025 |
|
| NEOS Investment Management | 365k | $15M | 25% | Mar 2026 |
|
| National Bank Of Canada /fi/ | 354k | $24M | 74% | Dec 2025 |
|
| Russell Investments | 350k | $14M | -36% | Mar 2026 |
|
| First Citizens Bank & Trust | 344k | $14M | 33% | Mar 2026 |
|
| Oppenheimer Asset Management | 343k | $14M | 43% | Mar 2026 |
|
| Foster Victor Wealth Advisors | 341k | $13M | 72% | Mar 2026 |
|
| Quantinno Capital Management | 340k | $14M | 68% | Mar 2026 |
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| Brown Advisory Holdings Incorporated | 337k | $14M | -82% | Mar 2026 |
|
| Victory Capital Management | 335k | $23M | 2% | Dec 2025 |
|
| Select Equity | 326k | $13M | 100% | Mar 2026 |
|
| Envestnet Portfolio Solutions | 324k | $13M | 32% | Mar 2026 |
|
| New York State Teachers Retirement System | 323k | $13M | 0% | Mar 2026 |
|
| Standard Life Aberdeen | 320k | $13M | 3% | Mar 2026 |
|
| Y-Intercept | 312k | $13M | 1368% | Mar 2026 |
|
| Mirae Asset Global Etfs Holdings | 292k | $12M | -3% | Mar 2026 |
|
| Mizuho Markets Americas | 276k | $11M | -94% | Mar 2026 |
|
| SG Americas Securities | 272k | $11M | 16% | Mar 2026 |
|
| Teachers Retirement System Of The State Of Kentucky | 270k | $11M | 1% | Mar 2026 |
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| LMR Partners | 253k | $10M | 100% | Mar 2026 |
|
| Franklin Resources | 250k | $10M | -79% | Mar 2026 |
|
| Manufacturers Life Insurance Company | 249k | $10M | -1% | Mar 2026 |
|
| Universal- Beteiligungs- und Servicegesellschaft mbH | 247k | $10M | -8% | Mar 2026 |
|
| Stifel Financial | 245k | $9.9M | 1% | Mar 2026 |
|
| Aviva | 243k | $9.8M | -14% | Mar 2026 |
|
| Rafferty Asset Management | 243k | $16M | 23% | Dec 2025 |
|
| Gilder, Gagnon, Howe & Co | 240k | $16M | -14% | Dec 2025 |
|
| Great-West Life Assurance Company | 237k | $16M | -45% | Dec 2025 |
|
| State of Wisconsin Investment Board | 229k | $15M | -9% | Dec 2025 |
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| Mirae Asset Global Investments | 228k | $9.2M | 8% | Mar 2026 |
|
| S.E.E.D. Planning Group | 219k | $8.8M | 366% | Mar 2026 |
|
| TD Asset Management | 212k | $8.6M | -54% | Mar 2026 |
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| Millennium Management | 212k | $8.6M | -73% | Mar 2026 |
|
| Kornitzer Capital Management | 208k | $8.4M | -7% | Mar 2026 |
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| New York State Common Retirement Fund | 205k | $8.3M | -10% | Mar 2026 |
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| Ycg | 196k | $7.9M | -45% | Mar 2026 |
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| Neuberger Berman Group | 170k | $11M | -60% | Dec 2025 |
|
| Healthcare Of Ontario Pension Plan Trust Fund | 147k | $9.9M | -50% | Dec 2025 |
|
| Natixis Asset Management Advisors | 145k | $5.8M | -67% | Mar 2026 |
|
| Landmark Investment Partners | 120k | $4.8M | -67% | Mar 2026 |
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| Ashford Capital Management | 103k | $4.1M | -59% | Mar 2026 |
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| Swedbank AB | 99k | $4.0M | -67% | Mar 2026 |
|
| Granahan Investment Management | 92k | $6.2M | -66% | Dec 2025 |
|
| American Century Companies | 77k | $5.2M | -86% | Dec 2025 |
|
| Macquarie Group | 70k | $4.7M | -98% | Dec 2025 |
|
| Man Group | 65k | $2.6M | -71% | Mar 2026 |
|
| Nomura Holdings | 19k | $763k | -98% | Mar 2026 |
|
| Baird Financial | 19k | $1.2M | -97% | Dec 2025 |
|
| Umb Bank N A | 15k | $584k | -94% | Mar 2026 |
|
Who sold out of CoStar?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Norges Bank Investment Management | Dec 2025 | 7.1M | $477M |
| Vulcan Value Partners | Dec 2025 | 4.5M | $302M |
| Third Point | Dec 2025 | 3.2M | $213M |
| Jpmorgan Chase & Co | Sep 2025 | 1.9M | $162M |
| Viking Global Investors | Dec 2025 | 1.4M | $97M |
| SG Capital Management | Dec 2025 | 1.3M | $88M |
| Kensico Capital Management Corp | Dec 2025 | 902k | $61M |
| Junto Capital Management | Dec 2025 | 616k | $41M |
| Picton Mahoney Asset Management | Dec 2025 | 504k | $34M |
| Frontier Capital Management | Sep 2025 | 491k | $41M |
| Arrowstreet Capital, Limited Partnership | Sep 2025 | 454k | $38M |
| ClearBridge Advisors | Dec 2025 | 382k | $26M |
| LGT Group Foundation | Dec 2025 | 348k | $24M |
| CI Investments | Dec 2025 | 344k | $23M |
| Aureus Asset Management | Dec 2025 | 337k | $23M |
| Ulysses Management | Dec 2025 | 331k | $22M |
| Parnassus Investments | Dec 2025 | 273k | $18M |
| ThornTree Capital Partners | Dec 2025 | 242k | $16M |
| No Street GP | Dec 2025 | 240k | $16M |
| Lateef Investment Management | Dec 2025 | 233k | $16M |