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CSGP — Costar Group Inc Institutional Holders · Q3 2026

Who owns Costar Group Inc (CSGP)? 23 institutions reported holding $66.62M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Douglas Lane & Associates, LLC ($54.3M), S.E.E.D. Planning Group LLC ($8.7M), Red Spruce Capital, LLC ($2.0M).

RankInstitutionValueSharesChange
1Douglas Lane & Associates, LLC$54.3M2.0MAdded
2S.E.E.D. Planning Group LLC$8.7M318,719Added
3Red Spruce Capital, LLC$2.0M72,897Trimmed
4GAMMA Investing LLC$427,71415,610Added
5Lincoln Capital LLC$387,63814,228Trimmed
6Wedmont Private Capital$300,87210,093Trimmed
7Farther Finance Advisors, LLC$189,5536,918Added
8Versant Capital Management, Inc$153,6045,606Added
9CX Institutional$90,0003,299Added
10MassMutual Private Wealth & Trust, FSB$64,8012,365Added
11GILPIN WEALTH MANAGEMENT, LLC$6,275229New
12GK Wealth Management LLC$6,028220New
13AMERICAN NATIONAL BANK & TRUST$2,63096New
14Planning Strategies Inc.$1,56257Trimmed
15CoreCap Advisors, LLC$1,28847Trimmed
16Davis Capital Management$1,06939Trimmed
17ELEVATION WEALTH PARTNERS, LLC$98736Trimmed
18Marquette Asset Management, LLC$49418Trimmed
19Grove Bank & Trust$552Hold
20EASTERN BANK$271Hold
21Castleview Partners, LLC$00Exited
22BAKER TILLY WEALTH MANAGEMENT, LLC$00Exited
23Wealth Enhancement Trust Services, Inc.$00Exited

Source: SEC Form 13F filings · as of 2026-09-30