What exactly changed in the CSGP analyst rating on March 03, 2026?

William Blair maintained an **Outperform** rating for CoStar Group on March 03, 2026 at 11:39 AM. The firm reiterated its positive view and noted a CEO purchase. No new price target was provided in the note.

How should investors interpret a maintained Outperform in the CSGP analyst rating?

A maintained Outperform signals continued analyst confidence without added upside from a new target. It suggests stability in the analyst view and emphasizes execution over fresh valuation upside.

Did William Blair provide a CSGP price target with the rating?

William Blair did not publish a new price target when it maintained its Outperform rating on March 03, 2026. The note focused on insider buying and operational strength instead.

How does Meyka view the CSGP analyst rating and stock grade?

Meyka AI rates CSGP with a grade of B. The grade factors in S&P 500 comparison, sector performance, financial growth, key metrics, and analyst consensus. Grades are not guarantees and we are not financial advisors.

Analyst Ratings

William Blair Maintains Outperform on CoStar Group (CSGP) March 2026

ByHuzaifa Zahoor March 4, 2026March 4, 2026

William Blair maintained an Outperform rating on CoStar Group, Inc. (CSGP) on March 03, 2026. The CSGP analyst rating note came at 11:39 AM and followed a disclosed insider purchase by the CEO. William Blair left no price target in the release, and the stock moved -0.71% ($-0.34) on the news. We place this rating in context with the recent Q4 2025 results and historic coverage.