4Suppliers
14Customers
1Debt Items
8Related Chains

Source-Backed Evidence Depth

CoStar Group, Inc. (CSGP) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

29Total relationships
4Distinct source URLs
13High confidence
0.771Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

CoStar Group, Inc. Suppliers

TickerNameConfidenceEvidence
BORA-HOLDINGS-GROUP-L-P BORA-HOLDINGS-GROUP-L-P 92% CoStar Group, Inc. entered into a Stock Purchase Agreement with Bora Holdings Group, L.P., a Delaware limited partnership (the 'Seller'), and Bora, Inc., a Delaware corporation (together with its sub…
BORA-INC BORA-INC 92% CoStar Group, Inc. entered into a Stock Purchase Agreement with Bora Holdings Group, L.P., a Delaware limited partnership (the 'Seller'), and Bora, Inc., a Delaware corporation (together with its sub…
STRS Stratus Properties Inc. 72% Reciprocal relationship from STRS graph: Reciprocal relationship from CSGP graph: Reciprocal relationship from STRS graph: Reciprocal relationship from CSGP graph: Reciprocal relationship from STRS g…
Z Zillow Group, Inc. 72% Reciprocal relationship from Z graph: Reciprocal relationship from CSGP graph: Reciprocal relationship from Z graph: Reciprocal relationship from CSGP graph: Reciprocal relationship from Z graph: duc…

CoStar Group, Inc. Customers

TickerNameConfidenceEvidence
AI-TECHNOLOGIES AI-TECHNOLOGIES 62% may,” “likely,” “might,” “believe,” “expect,” “observe,” “consider,” “think,” “intend,” “envision,” “will,” “should,” “could,” “would,” “plan,” “target,” “estimate,” “predict,” “continue,” “commit,” …
ARLINGTON-VIRGINIA-COSTAR-GROUP ARLINGTON-VIRGINIA-COSTAR-GROUP 62% unded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar…
AVERAGE-COSTAR-GROUP AVERAGE-COSTAR-GROUP 62% Act The Securities Exchange Act of 1934, as amended EURIBOR Euro Interbank Offered Rate FASB Financial Accounting Standards Board FCRA Fair Credit Reporting Act FTC Federal Trade Commission GAAP Gene…
BUILD-LEGACY-LLC BUILD-LEGACY-LLC 62% leases $ 1 $ 1 ROU assets obtained in exchange for new lease obligations: Operating leases $ 5 $ 1 7. GOODWILL The changes in the carrying amount of goodwill by operating segment consist of the follo…
COSTAR-GROUP COSTAR-GROUP 62% ling 12 months ended March 31, 2026 and 2025, our contract renewal rates for existing company-wide CoStar Group subscription-based services for contracts with a term of at least one year were approxi…
LANDMARK-HOMES-GROUP-LLC LANDMARK-HOMES-GROUP-LLC 62% Act The Securities Exchange Act of 1934, as amended EURIBOR Euro Interbank Offered Rate FASB Financial Accounting Standards Board FCRA Fair Credit Reporting Act FTC Federal Trade Commission GAAP Gene…
LANDWATCH-LANDMARK-LANDMARK-MEDIA-ENTERPRISES-LL LANDWATCH-LANDMARK-LANDMARK-MEDIA-ENTERPRISES-LL 62% Act The Securities Exchange Act of 1934, as amended EURIBOR Euro Interbank Offered Rate FASB Financial Accounting Standards Board FCRA Fair Credit Reporting Act FTC Federal Trade Commission GAAP Gene…
MAKER-MERGER-SUB-II-LLC MAKER-MERGER-SUB-II-LLC 62% leases $ 1 $ 1 ROU assets obtained in exchange for new lease obligations: Operating leases $ 5 $ 1 7. GOODWILL The changes in the carrying amount of goodwill by operating segment consist of the follo…
MATTERPORT-GORES-HOLDINGS-VI-INC MATTERPORT-GORES-HOLDINGS-VI-INC 62% leases $ 1 $ 1 ROU assets obtained in exchange for new lease obligations: Operating leases $ 5 $ 1 7. GOODWILL The changes in the carrying amount of goodwill by operating segment consist of the follo…
MATTERPORT-INC-MAKER-MERGER-SUB-INC MATTERPORT-INC-MAKER-MERGER-SUB-INC 62% leases $ 1 $ 1 ROU assets obtained in exchange for new lease obligations: Operating leases $ 5 $ 1 7. GOODWILL The changes in the carrying amount of goodwill by operating segment consist of the follo…
ORGANIZATION-COSTAR-GROUP ORGANIZATION-COSTAR-GROUP 62% ow disclosures: Interest paid $ 31.0 $ 30.7 $ 29.9 Income taxes paid $ 99.8 $ 163.2 $ 169.2 Supplemental non-cash investing and financing activities: Consideration owed for acquisitions $ 1.2 $ 7.6 $…
U-K-GROUP U-K-GROUP 62% Act The Securities Exchange Act of 1934, as amended EURIBOR Euro Interbank Offered Rate FASB Financial Accounting Standards Board FCRA Fair Credit Reporting Act FTC Federal Trade Commission GAAP Gene…
UNITED-KINGDOM-COSTAR-GROUP UNITED-KINGDOM-COSTAR-GROUP 62% unded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar…
VISUAL-LEASE-LLC VISUAL-LEASE-LLC 62% ase management and lease accounting 4 Abbreviation or Acronym Definition Visual Lease Acquisition CoStar's acquisition of all of the outstanding equity interest in Visual Lease completed on November …

CoStar Group, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
CSGP-DEBT Debt stack $994.0M 90% Market cache reports total debt of $994.0M.

CoStar Group, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for CoStar Group, Inc..

CoStar Group, Inc. Ownership

HolderNameConfidenceEvidence
CSGP-OWNER-BLACKROCK-INC Blackrock Inc. 95% 13F/ownership overlay lists Blackrock Inc.; shares held 33,970,626; ownership 8.09%; value $1.4B; as of 2025-12-31.
CSGP-OWNER-JANUS-HENDERSON-GROUP-PLC Janus Henderson Group PLC 95% 13F/ownership overlay lists Janus Henderson Group PLC; shares held 7,473,380; ownership 1.78%; value $299.2M; as of 2025-12-31.
CSGP-OWNER-BAMCO-INC BAMCO Inc. 95% 13F/ownership overlay lists BAMCO Inc.; shares held 19,498,099; ownership 4.64%; value $780.7M; as of 2025-12-31.
CSGP-OWNER-GEODE-CAPITAL-MANAGEMENT-LLC Geode Capital Management, LLC 95% 13F/ownership overlay lists Geode Capital Management, LLC; shares held 12,182,167; ownership 2.90%; value $487.8M; as of 2025-12-31.
CSGP-OWNER-BAILLIE-GIFFORD-CO BAILLIE GIFFORD & CO 95% 13F/ownership overlay lists BAILLIE GIFFORD & CO; shares held 12,933,185; ownership 3.08%; value $517.8M; as of 2025-12-31.
CSGP-OWNER-CAPITAL-INTERNATIONAL-INVESTORS Capital International Investors 95% 13F/ownership overlay lists Capital International Investors; shares held 10,842,010; ownership 2.58%; value $434.1M; as of 2025-12-31.
CSGP-OWNER-PRINCIPAL-FINANCIAL-GROUP-INC Principal Financial Group, Inc. 95% 13F/ownership overlay lists Principal Financial Group, Inc.; shares held 17,566,074; ownership 4.18%; value $703.3M; as of 2025-12-31.
CSGP-OWNER-VANGUARD-GROUP-INC Vanguard Group Inc 95% 13F/ownership overlay lists Vanguard Group Inc; shares held 70,108,999; ownership 16.70%; value $2.8B; as of 2025-12-31.
CSGP-OWNER-STATE-STREET-CORPORATION State Street Corporation 95% 13F/ownership overlay lists State Street Corporation; shares held 18,632,352; ownership 4.44%; value $746.0M; as of 2025-12-31.
CSGP-OWNER-AKRE-CAPITAL-MANAGEMENT-LLC Akre Capital Management, LLC 95% 13F/ownership overlay lists Akre Capital Management, LLC; shares held 9,617,805; ownership 2.29%; value $385.1M; as of 2025-12-31.

CoStar Group, Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
Z Zillow Group, Inc. 100.00 1 ['supplier']
STRS Stratus Properties Inc. 100.00 1 ['supplier']
AWS AWS 50.00 2
IBM International Business Machines Corporation 50.00 2
ZG Zillow Group, Inc. 36.29 1 ['spend']
FMCKI Federal Home Loan Mortgage Corporation 32.78 2
FNMAS Federal National Mortgage Association 32.78 2
BMO Bank of Montreal 14.78 2
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CSGP
Unlock CSGP Supply Chain Data
Verified relationships include:
BORA-HOLDINGS-GROUP-L-PBORA-HOLDINGS-GROUP-L-PSupplier92%
BORA-INCBORA-INCSupplier92%
AI-TECHNOLOGIESAI-TECHNOLOGIESCustomer62%
ARLINGTON-VIRGINIA-COSTAR-GROUPARLINGTON-VIRGINIA-COSTAR-GROUPCustomer62%
+25 more relationships locked
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