CoStar Group (CSGP)
Across 88 earnings reports since Oct 20, 2004, CoStar Group (CSGP) has a clear post-earnings pattern. It moves ±4.75% on average after reporting and finishes higher 51.1% of the time. Its largest post-earnings gain was +17.21% (Jul 24, 2013) and its largest decline was -15% (Feb 22, 2022).
Earnings reactions
How CSGP moved on each past earnings report.
Earnings Impact
Total Earnings
88
Avg Abs. Movement
±4.75%
Positive %
51.1%
Negative %
48.9%
Historical Earnings Statistics
| Date | Timing | Earnings move | SEC Filing |
|---|---|---|---|
| Jul 28, 2026 | ☽ POST | -1.84% | open_in_new |
| Apr 28, 2026 | ☽ POST | -5.06% | open_in_new |
| Feb 24, 2026 | ☽ POST | -8.89% | open_in_new |
| Oct 28, 2025 | ☽ POST | -9.87% | open_in_new |
Earnings Count
88
Total earnings in dataset
Avg Abs. Movement
±4.75%
Avg % price change on earnings
Institutional ownership
Holdings as of Jun 30, 2026 · SEC 13-F
SEC Filing Types
Recent SEC Filings
10 most recent| Form | Date Filed | View on EDGAR |
|---|---|---|
| 8-K | 20260821 | open_in_new SEC.gov |
| SCHEDULE 13G | 20260814 | open_in_new SEC.gov |
| 4 | 20260810 | open_in_new SEC.gov |
| 4 | 20260810 | open_in_new SEC.gov |
| 144 | 20260805 | open_in_new SEC.gov |
| 4 | 20260805 | open_in_new SEC.gov |
| 3 | 20260804 | open_in_new SEC.gov |
| 4 | 20260804 | open_in_new SEC.gov |
| 4 | 20260804 | open_in_new SEC.gov |
| 4 | 20260804 | open_in_new SEC.gov |
Frequently asked about CSGP earnings
How much does CSGP stock move after earnings? expand_more
Over 88 reports, CSGP has moved an average of ±4.75% the session after earnings, closing higher 51.1% of the time.
What was CSGP's biggest post-earnings move? expand_more
CSGP's largest post-earnings gain on record was +17.21% on Jul 24, 2013, and its largest decline was -15% on Feb 22, 2022.
Where can I find CoStar Group's SEC filings? expand_more
All of CoStar Group's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.
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