NASDAQ: CSGPCostar Group Inc Stock Ownership - Who owns Costar Group?
Insider buying vs selling
Have Costar Group Inc insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Gene Boxer | General Counsel and Secretary | 2026-03-15 | 482 | $43.63 | $21.03kSell |
| Michael J. Desmarais | Chief Human Resources Officer | 2026-03-15 | 2,873 | $43.63 | $125.35kSell |
| Lisa Ruggles | Senior VP Global Operations | 2026-03-15 | 2,977 | $43.63 | $129.89kSell |
| Gene Boxer | General Counsel and Secretary | 2026-03-15 | 428 | $43.63 | $18.67kSell |
| Cynthia Cammett Cann | Chief Accounting Officer | 2026-03-15 | 1,194 | $43.63 | $52.09kSell |
| Frank Simuro | Chief Technology Officer | 2026-03-15 | 11,107 | $43.63 | $484.60kSell |
| Louise S. Sams | Director | 2026-03-06 | 1,000 | $48.36 | $48.36kBuy |
| Rachel C. Glaser | Director | 2026-03-02 | 1,000 | $44.94 | $44.94kBuy |
| Frederick G. Saint | President Marketplaces | 2026-03-02 | 20,000 | $45.33 | $906.60kBuy |
| Christian M. Lown | Chief Financial Officer | 2026-03-01 | 7,175 | $44.63 | $320.22kSell |
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Net Insider Buy/Sell (L12M) Ownership
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CSGP Shareholders
What type of owners hold Costar Group Inc stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Vanguard Group Inc | 16.70% | 70,108,999 | $2.55B | Institution |
| Blackrock Inc | 8.09% | 33,970,626 | $1.24B | Institution |
| Bamco Inc | 4.64% | 19,498,099 | $710.51M | Institution |
| State Street Corp | 4.44% | 18,632,352 | $678.96M | Institution |
| Principal Financial Group Inc | 4.18% | 17,566,074 | $640.11M | Institution |
| Baillie Gifford Co | 3.08% | 12,933,185 | $471.29M | Institution |
| Geode Capital Management LLC | 2.90% | 12,182,167 | $443.92M | Institution |
| Capital International Investors | 2.58% | 10,842,010 | $395.08M | Institution |
| Akre Capital Management LLC | 2.29% | 9,617,805 | $350.47M | Institution |
| Janus Henderson Group PLC | 1.78% | 7,473,380 | $272.33M | Institution |
CSGP vs Real Estate Service Stocks
Costar Group Stock Ownership FAQ
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