Costar Group, Inc.
CSGP- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001057352
In the last 90 days, Costar Group, Inc. insiders filed 1 open-market purchase and 2 sales; 760 institutions reported holding it in 13F filings for Q2 2026, worth $11.7B in total; superinvestors Akre Capital Management and Weitz Investment Management hold it.
13F holders, Q2 2025
Institutional positions in Costar Group, Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 873
- +26 vs. Q1 2025
- Shares held
- 424.8M
- −3.49M (−0.8%) vs. Q1 2025
- Total value
- $34.2B
- +$258.5M (+0.8%) vs. Q1 2025
- New holders
- 101
- 355 more added
- Sold out
- 75
- 315 more reduced
11 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSGP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 760 | $11.7B |
| Q1 2026 | 797 | $16.8B |
| Q4 2025 | 847 | $28.4B |
| Q3 2025 | 905 | $34.9B |
| Q2 2025 | 873 | $34.2B |
| Q1 2025 | 858 | $33.9B |
| Q4 2024 | 805 | $28.9B |
| Q3 2024 | 773 | $30.0B |
| Q2 2024 | 767 | $29.3B |
| Q1 2024 | 767 | $38.4B |
| Q4 2023 | 737 | $34.4B |
| Q3 2023 | 690 | $30.1B |
| Q2 2023 | 714 | $35.5B |
| Q1 2023 | 692 | $26.7B |
| Q4 2022 | 704 | $30.4B |
| Q3 2022 | 634 | $28.0B |
| Q2 2022 | 591 | $23.0B |
| Q1 2022 | 589 | $25.2B |
| Q4 2021 | 633 | $29.6B |
| Q3 2021 | 594 | $32.3B |
| Q2 2021 | 607 | $31.1B |
| Q1 2021 | 593 | $31.2B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bellevue Asset Management, LLC | 55 | $4.42K | 0.00% | −1−1.8% | Reduced |
| True Wealth Design, LLC | 54 | $4.38K | 0.00% | +17+45.9% | Added |
| Fortitude Family Office, LLC | 54 | $4.34K | 0.00% | +43+390.9% | Added |
| Red Tortoise LLC | 50 | $4.02K | 0.00% | 00.0% | Unchanged |
| Valued Wealth Advisors LLC | 50 | $4.02K | 0.00% | 00.0% | Unchanged |
| HM Payson & Co | 50 | $4.02K | 0.00% | +50 | New |
| Salomon & Ludwin, LLC | 48 | $3.91K | 0.00% | +48 | New |
| CoreCap Advisors, LLC | 43 | $3.46K | 0.00% | −30−41.1% | Reduced |
| Bruce G. Allen Investments, LLC | 43 | $3.46K | 0.00% | +22+104.8% | Added |
| Country Trust Bank | 41 | $3.30K | 0.00% | +41 | New |
| Accent Capital Management, LLC | 38 | $3.06K | 0.00% | 00.0% | Unchanged |
| Graney & King, LLC | 35 | $2.81K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 33 | $2.65K | 0.00% | −89−73.0% | Reduced |
| Activest Wealth Management | 32 | $2.57K | 0.00% | −5−13.5% | Reduced |
| Binnacle Investments Inc | 32 | $2.57K | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 32 | $2.57K | 0.00% | +1+3.2% | Added |
| S&T Bank | 32 | $2.57K | 0.00% | +15+88.2% | Added |
| CBIZ Investment Advisory Services, LLC | 32 | $2.57K | 0.00% | +26+433.3% | Added |
| Essential Partners LLC | 31 | $2.49K | 0.00% | +31 | New |
| N.E.W. Advisory Services LLC | 30 | $2.41K | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 27 | $2.17K | 0.00% | −2−6.9% | Reduced |
| Sierra Ocean, LLC | 26 | $2.09K | 0.00% | −11−29.7% | Reduced |
| WealthTrak Capital Management LLC | 25 | $2.01K | 0.00% | −20−44.4% | Reduced |
| CKW Financial Group | 20 | $2.00K | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 20 | $1.93K | 0.00% | −26−56.5% | Reduced |
| TFC Financial Management | 23 | $1.85K | 0.00% | +2+9.5% | Added |
| Principia Wealth Advisory, LLC | 23 | $1.85K | 0.00% | +5+27.8% | Added |
| Evergreen Private Wealth LLC | 23 | $1.85K | 0.00% | +23 | New |
| Salem Investment Counselors Inc | 20 | $1.61K | 0.00% | −18−47.4% | Reduced |
| Park Square Financial Group, LLC | 20 | $1.61K | 0.00% | 00.0% | Unchanged |
| NVWM, LLC | 19 | $1.53K | 0.00% | −5−20.8% | Reduced |
| Solstein Capital, LLC | 19 | $1.53K | 0.00% | +19 | New |
| 1620 Investment Advisors, Inc. | 18 | $1.45K | 0.00% | −59−76.6% | Reduced |
| Core Alternative Capital | 16 | $1.29K | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 15 | $1.21K | 0.00% | +10+200.0% | Added |
| Stephens Consulting, LLC | 15 | $1.21K | 0.00% | +15 | New |
| UMA Financial Services, Inc. | 14 | $1.13K | 0.00% | +5+55.6% | Added |
| Bay Harbor Wealth Management, LLC | 14 | $1.13K | 0.00% | +6+75.0% | Added |
| SJS Investment Consulting Inc. | 13 | $1.05K | 0.00% | −12−48.0% | Reduced |
| Capital Advisors, Ltd. LLC | 11 | $1.00K | 0.00% | −169−93.9% | Reduced |
| Tobam | 13 | $1.00K | 0.00% | 00.0% | Unchanged |
| PayPay Securities Corp | 12 | $965 | 0.05% | +4+50.0% | Added |
| Trifecta Capital Advisors, LLC | 12 | $965 | 0.00% | +12 | New |
| Richardson Financial Services Inc. | 11 | $884 | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 10 | $804 | 0.00% | 00.0% | Unchanged |
| Mowery & Schoenfeld Wealth Management, LLC | 10 | $804 | 0.00% | 00.0% | Unchanged |
| Key Financial Inc | 10 | $804 | 0.00% | 00.0% | Unchanged |
| Global Trust Asset Management, LLC | 10 | $773 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 9 | $736 | 0.00% | 00.0% | Unchanged |
| Clark Wealth Partners | 8 | $643 | 0.00% | −13−61.9% | Reduced |
| Parkworth Wealth Management, Inc. | 8 | $643 | 0.00% | +3+60.0% | Added |
| Strengthening Families & Communities, LLC | 7 | $563 | 0.00% | 00.0% | Unchanged |
| American Capital Advisory, LLC | 6 | $483 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 6 | $483 | 0.00% | +6 | New |
| Brown, Lisle/Cummings, Inc. | 6 | $482 | 0.00% | 00.0% | Unchanged |
| Fairway Wealth LLC | 5 | $402 | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 5 | $402 | 0.00% | +5 | New |
| DecisionPoint Financial, LLC | 4 | $328 | 0.00% | +4 | New |
| Toth Financial Advisory Corp | 4 | $322 | 0.00% | 00.0% | Unchanged |
| TD Capital Management LLC | 4 | $322 | 0.00% | 00.0% | Unchanged |
| Gen-Wealth Partners Inc | 4 | $322 | 0.00% | 00.0% | Unchanged |
| Tortoise Investment Management, LLC | 4 | $322 | 0.00% | +4 | New |
| Vision Financial Markets LLC | 3 | $242 | 0.00% | 00.0% | Unchanged |
| Legacy Wealth Managment, LLC | 3 | $242 | 0.00% | 00.0% | Unchanged |
| Legacy Investment Solutions, LLC | 3 | $242 | 0.00% | +3 | New |
| Caitong International Asset Management Co., Ltd | 2 | $161 | 0.00% | 00.0% | Unchanged |
| Bartlett & Co. Wealth Management LLC | 2 | $161 | 0.00% | 00.0% | Unchanged |
| Bellwether Advisors, LLC | 1 | $80 | 0.00% | −52−98.1% | Reduced |
| Eastern Bank | 1 | $80 | 0.00% | −30−96.8% | Reduced |
| Hollencrest Capital Management | 1 | $80 | 0.00% | 00.0% | Unchanged |
| Millstone Evans Group, LLC | 1 | $80 | 0.00% | 00.0% | Unchanged |
| Scarborough Advisors, LLC | 1 | $80 | 0.00% | +1 | New |
| Wealth Watch Advisors, INC | 16 | – | – | +16 | New |
| TOMS Capital Investment Management LP | 0 | $0 | 0.00% | −3,508,000−100.0% | Sold out |
| Soroban Capital Partners LP | 0 | $0 | 0.00% | −1,050,747−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −363,097−100.0% | Sold out |
| Baskin Financial Services Inc. | 0 | $0 | 0.00% | −279,646−100.0% | Sold out |
| Ruffer LLP | 0 | $0 | 0.00% | −270,412−100.0% | Sold out |
| Waterfront Capital Partners, LLC | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −122,624−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −101,555−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −96,784−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −90,987−100.0% | Sold out |
| Ofi Invest Asset Management | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −25,214−100.0% | Sold out |
| Procyon Private Wealth Partners, LLC | 0 | $0 | 0.00% | −21,649−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −17,850−100.0% | Sold out |
| Allstate Corp | 0 | $0 | 0.00% | −17,582−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −16,444−100.0% | Sold out |
| Legacy Advisors, LLC | 0 | $0 | 0.00% | −14,101−100.0% | Sold out |
| Botty Investors LLC | 0 | $0 | 0.00% | −13,174−100.0% | Sold out |
| Papamarkou Wellner Asset Management inc. | 0 | $0 | 0.00% | −13,145−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −11,807−100.0% | Sold out |
| Aspen Grove Capital, LLC | 0 | $0 | 0.00% | −10,078−100.0% | Sold out |
| United Services Automobile Association | 0 | $0 | 0.00% | −9,336−100.0% | Sold out |
| Sig Brokerage, LP | 0 | $0 | 0.00% | −8,735−100.0% | Sold out |
| Thoroughbred Financial Services, LLC | 0 | $0 | 0.00% | −6,893−100.0% | Sold out |
| Meiji Yasuda Asset Management Co Ltd. | 0 | $0 | 0.00% | −6,409−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −6,136−100.0% | Sold out |