CoStar Group Inc
$29.09
-$0.21 (-0.70%)
$28.96Day Range$29.91
Key Statistics
Market Cap
$11.79B
Shares Outstanding
405.2M
Primary Exchange
XNAS
Currency
USD
Type
CS
IPO Date
Jul 1, 1998
Round Lot
100
Locale
US
Trading Data
Day Open
$29.30
Day High
$29.91
Day Low
$28.96
Volume
17.12M
VWAP
$29.17
Prev Close
$29.30
Transactions
--
Acc. Volume
--
About CoStar Group Inc
CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.
SERVICES-BUSINESS SERVICES, NECSIC 73898,000 employees1201 WILSON BLVD., ARLINGTON, VA, 22209(202) 346-6500IPO Jul 1, 1998US / STOCKSActiveWebsite
Identifiers
- CIK
- 0001057352
- Composite FIGI
- BBG000D7JKW9
- Share Class FIGI
- BBG001SD3DY9
- Ticker Root
- CSGP
- SIC Code
- 7389
About CoStar Group Inc (CSGP) Stock
CoStar Group Inc (CSGP) closed the 2026-09-18 session at $29.09, down 0.70% versus the previous close (-0.21). The stock opened at $29.30 and traded between $28.96 and $29.91 during that session. Session trading volume was 17.1M shares. The volume-weighted average price (VWAP) is $29.17.
CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry's most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.
CoStar Group Inc has a market capitalization of $11.79 billion. The company operates in the SERVICES-BUSINESS SERVICES, NEC industry classification. CSGP is listed on the XNAS exchange. The company employs approximately 8,000 people. CoStar Group Inc is headquartered in ARLINGTON, VA. The recorded listing date is 1998-07-01.
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