CoStar Group climbs after strong Q3 results and higher profit outlook

CoStar Group (CSGP) is up 7.2% today. Here is some analysis on what might have caused this price movement.

Analysis: The move appears tied mainly to CoStar’s latest quarterly results, which showed solid revenue growth, a sharp improvement in profitability, and a higher full-year adjusted EBITDA outlook. Investors also seem to be reacting positively to the company’s agreement to buy Vexcel, a data and imagery asset that could strengthen its property information and marketplace products.

Details:

CoStar said third-quarter revenue reached $952 million, up 14% from a year earlier, while net income improved to $74 million and adjusted EBITDA rose to a record $229 million.

The company raised its full-year 2026 adjusted EBITDA guidance, reinforcing the view that expense controls and margin expansion are gaining traction.

Management also disclosed a deal to acquire Vexcel for $730 million in cash, adding a large aerial imagery platform and new AI-derived property data capabilities.

Recent filings and post-earnings discussion also highlighted lower-than-expected 2026 cost levels and continued integration of the Zonda acquisition, which may have supported confidence in the broader strategy.

Sources:

CoStar Group, SEC, Vexcel Imaging

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$CSGP Insider Trading Activity

$CSGP insiders have traded $CSGP stock on the open market 5 times in the past 6 months. Of those trades, 3 have been purchases and 2 have been sales.

Here’s a breakdown of recent trading of $CSGP stock by insiders over the last 6 months:

ANDREW C FLORANCE (Founder and CEO) has made 3 purchases buying 154,730 shares for an estimated $5,004,045 and 0 sales.
CYNTHIA CAMMETT CANN (Chief Accounting Officer) sold 4,788 shares for an estimated $147,374
JOHN W HILL sold 3,500 shares for an estimated $105,735

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

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$CSGP Hedge Fund Activity

We have seen 388 institutional investors add shares of $CSGP stock to their portfolio, and 438 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

PRINCIPAL FINANCIAL GROUP INC removed 13,905,398 shares (-78.6%) from their portfolio in Q2 2026, for an estimated $393,800,871
AQR CAPITAL MANAGEMENT LLC added 7,182,770 shares (+568.8%) to their portfolio in Q2 2026, for an estimated $203,416,046
EDGEPOINT INVESTMENT GROUP INC. added 5,950,002 shares (+inf%) to their portfolio in Q2 2026, for an estimated $168,504,056
BAMCO INC /NY/ added 5,312,588 shares (+32.6%) to their portfolio in Q2 2026, for an estimated $150,452,492
JPMORGAN CHASE & CO added 4,939,994 shares (+inf%) to their portfolio in Q2 2026, for an estimated $139,900,630
GOLDMAN SACHS GROUP INC removed 4,116,328 shares (-44.5%) from their portfolio in Q2 2026, for an estimated $116,574,408
POLEN CAPITAL MANAGEMENT LLC removed 3,811,054 shares (-30.3%) from their portfolio in Q2 2026, for an estimated $107,929,049

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

$CSGP Congressional Stock Trading

Members of Congress have traded $CSGP stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.

Here’s a breakdown of recent trading of $CSGP stock by members of Congress over the last 6 months:

REPRESENTATIVE GILBERT RAY CISNEROS, JR. purchased up to $15,000 on 08/19.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$CSGP Price Targets

Multiple analysts have issued price targets for $CSGP recently. We have seen 5 analysts offer price targets for $CSGP in the last 6 months, with a median target of $42.0.

Here are some recent targets:

George Tong from Goldman Sachs set a target price of $46.0 on 06/25/2026
Jason Haas from Wells Fargo set a target price of $26.0 on 06/24/2026
Michael Rindos from Benchmark set a target price of $45.0 on 06/04/2026
Heather Balsky from B of A Securities set a target price of $37.0 on 05/19/2026
Brett Huff from Stephens & Co. set a target price of $42.0 on 05/04/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.