---
schema_version: "secwatch.filing_event.v1"
accession: "0001057352-26-000061"
form_type: "8-K"
ticker: "CSGP"
cik: "0001057352"
company_name: "COSTAR GROUP, INC."
filed_at: "2026-07-28T20:05:38+00:00"
generated_at: "2026-07-28T20:07:13.086086+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# CoStar Q2 revenue $925M (+18% YoY); net income $55M vs $6M; Adj EBITDA $184M (+116%)

## Summary
- Revenue $925M (+18% YoY); net income $55M ($0.14 EPS) vs $6M ($0.01) prior year.
- Adjusted EBITDA $184M (+116% YoY); residential segment turned Adj EBITDA positive.
- Full-year 2026 Adj EBITDA guidance raised to $780-820M (midpoint +$30M); revenue guidance revised to $3.715-3.755B.
- Q2 net new bookings $69M (+3% QoQ); operating cost growth held to 2%.
- Launched Apartments.com Ai; within weeks 500K+ AI sessions, 20-min avg, 2.8x longer engagement.

## SEC filing metadata
- accession: 0001057352-26-000061
- form_type: 8-K
- ticker: CSGP
- cik: 0001057352
- company_name: COSTAR GROUP, INC.
- filed_at: 2026-07-28T20:05:38+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1057352/000105735226000061/0001057352-26-000061-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1057352/000105735226000061/csgp-20260728.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001057352-26-000061
- JSON: https://secwatch.observer/filing/0001057352-26-000061.json
- Plain text: https://secwatch.observer/filing/0001057352-26-000061.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.