Costar Group, Inc.

Company facts

Industry

Services-Business Services, NEC

Headquarters

Arlington, Virginia

Most recent report

10-Q, filed Oct 28, 2026

Incorporated

Delaware

Filings on record

1,000+ filings

On EDGAR

CIK 1057352

Fiscal year ends

December

Filer status

Large accelerated filer

What to read: Sep 2026 10-Q

SECSift found 4 of 13 sections worth reading, with 1 positive, 11 notable, and 5 negative flags.

• Financial Statements (Item 1)

  Three large acquisitions closed in period; cash burned; litigation settled; segment EBITDA swings.
  Notable

  • Matterport acquired for $1.9B in Feb 2025; Domain for $1.6B in Aug 2025; both closed before this period.
  • Revenue from outside the U.S. grew to $142M (Q3 2026) from $91M (Q3 2025), up 56%.
  • Zonda acquired for $815M in August 2026; $434M goodwill added to Residential Real Estate segment.
  • Brown Judgment paid $109M in Q2 2026; litigation accrual zeroed out from $99M at Dec 2025.
  • Stock repurchases totaled $668M in nine months; $832M remains authorized under $1.5B program.
  • Post-period: On Oct 26, 2026, CoStar agreed to acquire Vexcel for $730M cash.
  Negative

  • Impairment charges of $10M recorded in Q3 2026 for a vacated Domain office lease.

• Management's Discussion (Item 2)

  Dense with segment results, cash burn, and acquisition impacts; key numbers for Q3 2026.
  Positive

  • Residential Real Estate Adjusted EBITDA swung to a $32M profit from a $230M loss. Nine months 2026.
  Notable

  • Recorded a $24M gain from recoveries related to the Brown Judgment. Nine months 2026.
  Negative

  • Net new bookings of subscription services fell from $84M to $37M year-over-year. Q3 2026.
  • Cash and equivalents fell from $1.7B to $500M, driven by acquisitions and share repurchases. Nine months 2026.

• Market Risk (Item 3)

  Quantified FX exposure ($14M/quarter), $7.5B goodwill at risk, and interest rate details.
  Notable

  • $1.1B variable-rate credit facility had no borrowings as of Q3 2026, limiting near-term interest rate risk.
  Negative

  • 15% of revenue is foreign-denominated; a 10% USD strengthening would cut Q3 2026 revenue by $14M.
  • $7.5B in goodwill and intangibles as of Q3 2026 could be impaired if economy or performance weakens.

• Risk Factors (Item 1A)

  Two new acquisition risk factors added since the 10-K: Zonda (closed) and Vexcel (pending).
  Notable

  • Both acquisitions may cause loss of key employees, higher costs, and management distraction.
  • Transaction and integration costs may not be offset by other efficiencies for either deal.
  • Pending Vexcel acquisition announced October 26, 2026; subject to regulatory and other closing conditions.

What changed: Sep 2026 vs. Jun 2026

About 12% of CSGP's Sep 2026 10-Q is new information. 82 paragraphs were added, 276 changed, and 61 removed. Below are the most important lines SECSift identified.

• Item 2 226
• Item 1 65
• Item 1A 6
• Item 3 4
• Item 6 2
• Item 4 1
• Item 5 1