Institutional Ownership
Costar Group Inc
CUSIP 22160N109COMCSGPQ1 2026
Shares Short
16.32M
As of Jul 15, 2026
Days to Cover
2.45
Short shares ÷ avg daily volume
Change vs Prior
+6.9%
vs previous settlement
Avg Daily Volume
6.66M
FINRA reported ADV
Short Interest History
17 settlements on record · FINRA consolidated
Higher short interest is bearish: increases show red, decreases green.
| Settlement | Shares Short | Prior | Change | Avg Daily Vol | Days to Cover |
|---|---|---|---|---|---|
| Jul 15, 2026 | 16.32M | 15.27M | +6.9% | 6.66M | 2.45 |
| Jun 30, 2026 | 15.27M | 17.11M | -10.8% | 8.02M | 1.90 |
| Jun 15, 2026 | 17.11M | 15.10M | +13.3% | 7.15M | 2.39 |
| May 29, 2026 | 15.10M | 18.64M | -19.0% | 6.28M | 2.40 |
| May 15, 2026 | 18.64M | 17.59M | +6.0% | 9.86M | 1.89 |
| Apr 30, 2026 | 17.59M | 16.64M | +5.7% | 6.30M | 2.79 |
| Apr 15, 2026 | 16.64M | 21.98M | -24.3% | 6.28M | 2.65 |
| Mar 31, 2026 | 21.98M | 23.96M | -8.3% | 6.69M | 3.28 |
| Mar 13, 2026 | 23.96M | 26.15M | -8.4% | 5.25M | 4.56 |
| Feb 27, 2026 | 26.15M | 19.34M | +35.2% | 6.98M | 3.75 |
| Feb 13, 2026 | 19.34M | 16.61M | +16.4% | 7.97M | 2.43 |
| Jan 30, 2026 | 16.61M | 14.42M | +15.2% | 6.61M | 2.51 |