Institutional Ownership
Costar Group Inc
CUSIP 22160N109COMCSGPQ1 2026
13D / 13G Filings
19
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
15.9%
Max % of class reported
Institutional Holders
779
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
19 filings · latest Apr 23, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Apr 23, 2025 | Blackrock, Inc. | 13G/A | 7.5% | 31.82M | SEC |
| 2 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 15.9% | 64.91M | SEC |
| 3 | Jan 25, 2024 | Blackrock Inc. | 13G/A | 8.9% | 36.53M | SEC |
| 4 | Feb 14, 2023 | Price T Rowe Associates Inc /Md/ | 13G/A | 1.6% | 6.68M | SEC |
| 5 | Feb 9, 2023 | Vanguard Group Inc | 13G/A | 11.0% | 44.77M | SEC |
| 6 | Jan 30, 2023 | Blackrock Inc. | 13G/A | 7.8% | 31.63M | SEC |
| 7 | Oct 11, 2022 | Vanguard Group Inc | 13G/A | 10.6% | 43.00M | SEC |
| 8 | Feb 14, 2022 | Price T Rowe Associates Inc /Md/ | 13G/A | 6.9% | 27.65M | SEC |
| 9 | Feb 9, 2022 | Vanguard Group Inc | 13G/A | 8.8% | 34.55M | SEC |
| 10 | Feb 1, 2022 | Blackrock Inc. | 13G/A | 6.1% | 23.95M | SEC |
9 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Costar Group Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 33.81M | $1.36B |
| 2 | State Street Corp | 18.65M | $752.38M |
| 3 | Principal Financial Group Inc | 17.70M | $713.87M |
| 4 | Bamco Inc /Ny/ | 16.31M | $658.11M |
| 5 | Capital International Investors | 15.51M | $625.82M |
| 6 | Baillie Gifford & Co | 13.61M | $549.06M |
| 7 | Polen Capital Management LLC | 12.57M | $507.09M |
| 8 | Geode Capital Management, LLC | 12.45M | $500.45M |
| 9 | Akre Capital Management LLC | 10.35M | $417.45M |
| 10 | Goldman Sachs Group Inc | 9.25M | $372.98M |