CoStar Group (CSGP) News Today $88.16 -1.50 (-1.67%) Closing price 04:00 PM EasternExtended Trading$88.55 +0.39 (+0.44%) As of 05:03 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock CSGP Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 Time Period Fjarde AP Fonden Fourth Swedish National Pension Fund Sells 15,400 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 18 at 5:19 AM | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Bought by National Pension ServiceAugust 18 at 5:01 AM | marketbeat.comCoStar Group (NASDAQ:CSGP) Stock Acquired Rep. Gilbert Ray Cisneros, Jr.August 18 at 2:01 AM | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Sold by Gulf International Bank UK LtdAugust 16 at 5:11 AM | marketbeat.comRussell Investments Group Ltd. Purchases 112,665 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 16 at 5:01 AM | marketbeat.comPublic Sector Pension Investment Board Reduces Position in CoStar Group, Inc. (NASDAQ:CSGP)August 16 at 4:43 AM | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Bought by E Fund Management Co. Ltd.August 15 at 6:48 AM | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Acquired by Resona Asset Management Co. Ltd.August 15 at 5:53 AM | marketbeat.comNuveen LLC Takes Position in CoStar Group, Inc. (NASDAQ:CSGP)August 15 at 5:07 AM | marketbeat.comS Bank Fund Management Ltd Purchases New Position in CoStar Group, Inc. (NASDAQ:CSGP)August 14, 2025 | marketbeat.comArrowpoint Investment Partners Singapore Pte. Ltd. Makes New Investment in CoStar Group, Inc. (NASDAQ:CSGP)August 14, 2025 | marketbeat.comCoStar Group (CSGP) Loses on 6th Day on Investor CautionAugust 13, 2025 | insidermonkey.comLGT Group Foundation Grows Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 13, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Acquired by LGT Fund Management Co Ltd.August 13, 2025 | marketbeat.comCooper Financial Group Takes Position in CoStar Group, Inc. (NASDAQ:CSGP)August 13, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Purchased by Invesco Ltd.August 13, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Bought by Benjamin Edwards Inc.August 13, 2025 | marketbeat.comFrank Rimerman Advisors LLC Invests $260,000 in CoStar Group, Inc. (NASDAQ:CSGP)August 13, 2025 | marketbeat.comMotley Fool Asset Management LLC Has $4.91 Million Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 12, 2025 | marketbeat.comMotley Fool Wealth Management LLC Sells 28,864 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 12, 2025 | marketbeat.comMizuho Securities USA LLC Reduces Position in CoStar Group, Inc. (NASDAQ:CSGP)August 12, 2025 | marketbeat.comForsta AP Fonden Decreases Stake in CoStar Group, Inc. (NASDAQ:CSGP)August 12, 2025 | marketbeat.comNational Bank of Canada FI Acquires 81,760 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 12, 2025 | marketbeat.comDeutsche Bank AG Reduces Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 12, 2025 | marketbeat.com7,401,273 Shares in CoStar Group, Inc. (NASDAQ:CSGP) Bought by Mizuho Markets Americas LLCAugust 11, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Bought by Polen Capital Management LLCAugust 11, 2025 | marketbeat.comSwiss National Bank Acquires 30,465 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 11, 2025 | marketbeat.comCharles Schwab Investment Management Inc. Increases Position in CoStar Group, Inc. (NASDAQ:CSGP)August 11, 2025 | marketbeat.comASR Vermogensbeheer N.V. Makes New $537,000 Investment in CoStar Group, Inc. (NASDAQ:CSGP)August 11, 2025 | marketbeat.comTownsquare Capital LLC Has $12.17 Million Stock Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 10, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Purchased by Mitsubishi UFJ Asset Management Co. Ltd.August 10, 2025 | marketbeat.comMutual of America Capital Management LLC Reduces Position in CoStar Group, Inc. (NASDAQ:CSGP)August 10, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Purchased by NS Partners LtdAugust 9, 2025 | marketbeat.comTelemark Asset Management LLC Has $39.62 Million Stock Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 9, 2025 | marketbeat.comPrimecap Management Co. CA Makes New Investment in CoStar Group, Inc. (NASDAQ:CSGP)August 9, 2025 | marketbeat.comHomes.com Report: Moderate Home Price Appreciation Continued in July. Nationally, the Median Home Price Was up 2.1% From a Year Ago.August 8, 2025 | businesswire.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Bought by Fayez Sarofim & CoAugust 8, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Stock Position Raised by Vanguard Group Inc.August 8, 2025 | marketbeat.comNew Age Alpha Advisors LLC Cuts Position in CoStar Group, Inc. (NASDAQ:CSGP)August 7, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Stock Position Reduced by Bank of Nova ScotiaAugust 7, 2025 | marketbeat.comPNC Financial Services Group Inc. Raises Stock Position in CoStar Group, Inc. (NASDAQ:CSGP)August 7, 2025 | marketbeat.comCoStar Group (NASDAQ:CSGP) Hits New 12-Month High - Here's What HappenedAugust 6, 2025 | marketbeat.com9,534 Shares in CoStar Group, Inc. (NASDAQ:CSGP) Acquired by American Assets Investment Management LLCAugust 6, 2025 | marketbeat.comING Groep NV Buys 120,376 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 6, 2025 | marketbeat.com$100 Invested In CoStar Group 10 Years Ago Would Be Worth This Much TodayAugust 6, 2025 | benzinga.comCommerce Bank Reduces Stock Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 6, 2025 | marketbeat.comSupreme Court Approves Domain Holdings Acquisition by CoStar GroupAugust 5, 2025 | tipranks.comRuffer LLP Raises Holdings in CoStar Group, Inc. (NASDAQ:CSGP)August 5, 2025 | marketbeat.comGeneva Capital Management LLC Purchases 12,534 Shares of CoStar Group, Inc. (NASDAQ:CSGP)August 5, 2025 | marketbeat.comCoStar Group, Inc. (NASDAQ:CSGP) Shares Bought by Weitz Investment Management Inc.August 5, 2025 | marketbeat.com Get CoStar Group News Delivered to You Automatically Sign up to receive the latest news and ratings for CSGP and its competitors with MarketBeat's FREE daily newsletter. Email Address CSGP Media Mentions By Week CSGP Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. CSGP News Sentiment▼1.600.74▲Average Computer and Technology News Sentiment CSGP News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. CSGP Articles This Week▼2523▲CSGP Articles Average Week Get CoStar Group News Delivered to You Automatically Sign up to receive the latest news and ratings for CSGP and its competitors with MarketBeat's FREE daily newsletter. Email Address Related Companies and Tools Related Companies SEA News Equinix News eBay News VeriSign News Akamai Technologies News SPS Commerce News Yelp News Opendoor Technologies News Ziff Davis News Cimpress News Headlines Tools Trending Media MentionsHigh Media Sentiment StocksLive News FeedMarketBeat OriginalsStock Ideas This page (NASDAQ:CSGP) was last updated on 8/18/2025 by MarketBeat.com Staff From Our PartnersWhen the levee breaksThe U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was project...Porter & Company | SponsoredThe stealth altcoin the financial world is underestimatingThis DeFi project could soar next When altcoin season fully kicks in—which the data suggests is happening R...Crypto 101 Media | SponsoredMusk’s Project Colossus could mint millionairesI predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new milliona...Brownstone Research | SponsoredThink you missed gold’s boom? Think againIf you've been watching gold's historic run and wondering if it's too late… I've got good news. Because the...Investors Alley | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredBut this $20 American company could control the secretThe "Impossible" Chip That Runs on Pure Light Google's quantum computer shocked the world... but China DEMO...The Oxford Club | SponsoredTax Drain Deadline: Protect Your Wealth Before September 15thOn September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...American Alternative | SponsoredGENIUS Act: Cancel Your Money?They said digital dollars were off the table. But with the GENIUS Act now federal law, private corporations—no...Priority Gold | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding CoStar Group, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share CoStar Group With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.