Who Owns COSTAR GROUP INC (CSGP)? -- Institutional Holders (2026-06-30)
25 institutions reported holding $7.5M of COSTAR GROUP INC (CSGP) in SEC 13F filings for 2026-06-30. Largest institutional holders: Czech National Bank ($3.3M), Red Spruce Capital, LLC ($2.2M), PensionDanmark Pensionsforsikringsaktieselskab ($1.1M), Lincoln Capital LLC ($403,985), GAMMA Investing LLC ($215,374). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Czech National Bank | $3.3M | 116,234 | Added |
| 2 | Red Spruce Capital, LLC | $2.2M | 76,448 | Added |
| 3 | PensionDanmark Pensionsforsikringsaktieselskab | $1.1M | 39,466 | New |
| 4 | Lincoln Capital LLC | $403,985 | 14,265 | Trimmed |
| 5 | GAMMA Investing LLC | $215,374 | 7,605 | Trimmed |
| 6 | HARBOR INVESTMENT ADVISORY, LLC | $101,102 | 3,570 | Trimmed |
| 7 | Versant Capital Management, Inc | $97,166 | 3,431 | Added |
| 8 | MassMutual Private Wealth & Trust, FSB | $63,522 | 2,243 | Added |
| 9 | CoreCap Advisors, LLC | $14,245 | 503 | Added |
| 10 | Hilltop National Bank | $10,762 | 380 | Hold |
| 11 | CX Institutional | $5,000 | 181 | Trimmed |
| 12 | Arlington Trust Co LLC | $3,115 | 110 | Hold |
| 13 | BEACON INVESTMENT ADVISORY SERVICES, INC. | $2,493 | 88 | New |
| 14 | Dogwood Wealth Management LLC | $2,011 | 71 | Trimmed |
| 15 | ELEVATION WEALTH PARTNERS, LLC | $1,671 | 59 | Trimmed |
| 16 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $707 | 25 | Hold |
| 17 | 3 FACTOR INDEXING, LLC | $85 | 3 | Added |
| 18 | Grove Bank & Trust | $57 | 2 | Trimmed |
| 19 | EASTERN BANK | $28 | 1 | Hold |
| 20 | TRUST POINT INC. | $0 | 0 | Exited |
| 21 | Assenagon Asset Management S.A. | $0 | 0 | Exited |
| 22 | CANANDAIGUA NATIONAL BANK & TRUST CO | $0 | 0 | Exited |
| 23 | Aurora Investment Managers, LLC. | $0 | 0 | Exited |
| 24 | Baron Wealth Management LLC | $0 | 0 | Exited |
| 25 | MOODY NATIONAL BANK TRUST DIVISION | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30