COSTAR GROUP, INC. (CSGP)
Industrials · Services-Business Services, NEC
COSTAR GROUP, INC. (CSGP) stock research on InvestAtlant: institutional ownership from 13F filings, insider Form 4 activity, and SEC context.
Top institutional holders (2026-Q3)
| Institution | Shares | Value | % Outstanding |
|---|---|---|---|
| Douglas Lane & Associates, LLC | 1,980,027 | $54.25M | 0.49% |
| Pictet Asset Management Holding SA | 1,129,215 | $30.94M | 0.28% |
| PRINCIPAL FINANCIAL GROUP INC | 615,761 | 6.87M | 0.15% |
| ASSETMARK, INC | 519,361 | 4.23M | 0.13% |
| United Asset Strategies, Inc. | 481,507 | 3.19M | 0.12% |
| Ninety One UK Ltd | 392,883 | 0.76M | 0.10% |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 328,936 | $9.0K | 0.08% |
| S.E.E.D. Planning Group LLC | 318,719 | $8.73M | 0.08% |
Recent insider transactions
| Date | Insider | Title | Type | Value |
|---|---|---|---|---|
| 2026-08-07 | Cann Cynthia Cammett | Chief Accounting Officer | Sale | 47.4K |
| 2026-08-05 | Hill John W | Director | Sale | 05.7K |
| 2026-08-04 | FLORANCE ANDREW C | Founder and CEO, Director | Purchase | $2.49M |
| 2026-05-01 | FLORANCE ANDREW C | President and CEO, Director | Purchase | $2.40M |
| 2026-05-01 | FLORANCE ANDREW C | President and CEO, Director | Purchase | 11.0K |
| 2026-03-06 | Sams Louise S | Director | Purchase | $48.4K |