Why CoStar Group (CSGP) Stock Is Up Today

CoStar Group (CSGP) is up 6.6% today. Here is some analysis on what might have caused this price movement.

Analysis: A clear single-day catalyst is not fully confirmed, but the move appears tied to growing optimism ahead of CoStar Group’s second-quarter 2026 earnings release scheduled for July 28, 2026 after the market close. This could also reflect bargain hunting after a sharp pullback earlier in July, helped by investor focus on margin expansion and profitable growth after the company’s recent CFO transition.

Details:

CoStar Group had already scheduled its Q2 2026 earnings announcement for July 28, 2026, which can attract speculative buying when investors expect a solid report or upbeat guidance.

In first-quarter 2026 results, revenue rose 23% year over year to $897 million, and the company guided for second-quarter revenue of $922 million to $932 million.

Earlier in July, CoStar named Robin Rossmann as incoming CFO and emphasized margin expansion, operational efficiency, and disciplined capital allocation, which may have improved sentiment.

The shares were trading near recent lows before this jump, so part of the move may have been a rebound as investors repositioned ahead of earnings.

Sources:

CoStar Group, SEC, MarketBeat

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 6 times in the past 6 months. Of those trades, 6 have been purchases and 0 have been sales.

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

ANDREW C FLORANCE (President and CEO) has made 3 purchases buying 127,150 shares for an estimated $4,994,862 and 0 sales.
FREDERICK G. SAINT (President, Marketplaces) purchased 20,000 shares for an estimated $906,600
LOUISE S SAMS purchased 1,000 shares for an estimated $48,360
RACHEL C GLASER purchased 1,000 shares for an estimated $44,940

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 386 institutional investors add shares of $CSGP stock to their portfolio, and 429 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

POLEN CAPITAL MANAGEMENT LLC added 7,679,432 shares (+157.0%) to their portfolio in Q1 2026, for an estimated $309,788,286
GOLDMAN SACHS GROUP INC added 5,494,500 shares (+146.5%) to their portfolio in Q1 2026, for an estimated $221,648,130
CAPITAL INTERNATIONAL INVESTORS added 4,671,743 shares (+43.1%) to their portfolio in Q1 2026, for an estimated $188,458,112
VULCAN VALUE PARTNERS, LLC removed 4,485,021 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $180,925,747
VAN ECK ASSOCIATES CORP added 3,422,202 shares (+6054.4%) to their portfolio in Q1 2026, for an estimated $138,051,628
MERITAGE GROUP LP added 3,329,006 shares (+inf%) to their portfolio in Q1 2026, for an estimated $134,292,102
BAMCO INC /NY/ removed 3,183,924 shares (-16.3%) from their portfolio in Q1 2026, for an estimated $128,439,494

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 3 times in the past 6 months. Of those trades, 2 have been purchases and 1 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. has traded it 3 times. They made 2 purchases worth up to $30,000 on 03/13, 01/28 and 1 sale worth up to $15,000 on 04/14.

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 14 analysts offer price targets for $CSGP in the last 6 months, with a median target of $50.0.

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
Jake Fuller from BTIG set a target price of $55.0 on 04/29/2026
Mayank Tandon from Needham set a target price of $50.0 on 04/29/2026

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.