CoStar Group, Inc. (CSGP)

Over the past six months, CoStar Group's stock has experienced several notable events and fluctuations. The stock's 52-week range has been between $48.76 and $97.43, with a year-over-year change of approximately -34.91% as of February 6, 2026. Key events include the Q3 2025 earnings report, the upcoming Q4 2025 earnings report, D.E. Shaw Group activism, share repurchase programs, and the Annual General Meeting held on June 26, 2025.

Demand seasonality for CoStar Group's products and services varies across its diverse portfolio. CoStar (Commercial Bookings) is generally stable throughout the year, with a potential slight increase in the fourth quarter. Apartments.com typically experiences a strong second quarter, and Homes.com is expected to follow a similar seasonal pattern. LoopNet is anticipated to have less seasonality with its revised business model. STR (Hospitality Industry) can experience event-driven seasonality, and broader commercial real estate demand can be subject to market-driven fluctuations.

CoStar Group, Inc. is a provider of online real estate marketplaces, information, and analytics for the commercial property industry. The company's core business revolves around its database of commercial real estate information. CoStar empowers businesses with data and insights for informed decision-making by aggregating, verifying, and delivering information on properties, transactions, tenants, and market trends. Major products and services include CoStar, LoopNet, Apartments.com, Homes.com, STR, Ten-X, BizBuySell, Matterport, and OnTheMarket, along with other brands like Belbex, Lands of America, Apartamentos.com, Homesnap, Realla, and BureauxLocaux.

CoStar Group has a significant international presence, serving clients across North America, Europe, Asia Pacific, and Latin America. The company maintains offices throughout the U.S., Europe, Canada, and Asia. Recent expansion efforts include launches in Spain and anticipated launches in France, aiming to increase European listings. The company is also in the final stages of acquiring Domain Holdings, one of Australia's top real estate portals.

In the past year, CoStar Group's brand reputation has been impacted by public scrutiny from activist investor D.E. Shaw Group. D.E. Shaw issued an open letter and presentation to CoStar's Board of Directors, which CoStar Group publicly addressed. This engagement involved D.E. Shaw pushing for board changes and questioning the company's strategic direction, particularly regarding its substantial investment in Homes.com. CoStar Group responded by reiterating its commitment to profitable growth and stockholder value, outlining steps taken in response to shareholder feedback.

CoStar Group, Inc. has a significant institutional ownership base. As of early February 2026, 1507 institutional owners and shareholders have filed 13D/G or 13F forms, holding a total of approximately 497.3 million shares. Major institutional owners include Vanguard Group Inc., BlackRock, Inc., Bamco Inc /ny/, State Street Corp, Principal Financial Group Inc, Baillie Gifford & Co., Geode Capital Management, Llc, Capital Research and Management Company, Akre Capital Management, LLC, and Polen Capital Management, LLC. Individuals hold a smaller percentage of the company's shares, approximately 1.22% or 0.63% of shares outstanding.