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 |
|---|---|---|---|---|---|
| Wealth Enhancement Advisory Services, LLC | 20,180 | $1.66M | 0.00% | +2,125+11.8% | Added |
| Maryland State Retirement & Pension System | 20,296 | $1.63M | 0.04% | +856+4.4% | Added |
| Moors & Cabot, Inc. | 20,233 | $1.63M | 0.08% | +20,233 | New |
| Itau Unibanco Holding S.A. | 19,930 | $1.60M | 0.06% | −8,063−28.8% | Reduced |
| Candriam Luxembourg S.C.A. | 19,638 | $1.58M | 0.01% | +2,833+16.9% | Added |
| New Mexico Educational Retirement Board | 19,200 | $1.54M | 0.05% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 18,807 | $1.51M | 0.00% | −597−3.1% | Reduced |
| Chicago Partners Investment Group LLC | 16,504 | $1.50M | 0.04% | +1,999+13.8% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 18,600 | $1.50M | 0.01% | 00.0% | Unchanged |
| Dai-Ichi Life Insurance Company, Ltd | 18,425 | $1.48M | 0.04% | 00.0% | Unchanged |
| Commerce Bank | 18,133 | $1.46M | 0.01% | +6,188+51.8% | Added |
| B. Metzler seel. Sohn & Co. AG | 17,957 | $1.44M | 0.01% | +2,404+15.5% | Added |
| Ameritas Investment Partners, Inc. | 17,815 | $1.43M | 0.05% | +410+2.4% | Added |
| Callan Family Office, LLC | 17,673 | $1.42M | 0.04% | +10,064+132.3% | Added |
| Natixis | 17,645 | $1.42M | 0.01% | −7,665−30.3% | Reduced |
| SG Americas Securities, LLC | 17,416 | $1.40M | 0.01% | +1,699+10.8% | Added |
| Keybank National Association | 17,368 | $1.40M | 0.01% | −279−1.6% | Reduced |
| Dynasty Wealth Management, LLC | 17,186 | $1.38M | 0.02% | +1,156+7.2% | Added |
| Concentric Capital Strategies, LP | 16,758 | $1.35M | 0.08% | +16,758 | New |
| Bessemer Group Inc | 16,743 | $1.35M | 0.00% | +20.0% | Added |
| Alliance Wealth Advisors, LLC | 16,727 | $1.34M | 0.33% | +529+3.3% | Added |
| Institute for Wealth Management, LLC. | 16,717 | $1.34M | 0.15% | −800−4.6% | Reduced |
| Norden Group LLC | 16,617 | $1.34M | 0.15% | +1,060+6.8% | Added |
| Meeder Asset Management Inc | 16,259 | $1.31M | 0.08% | −97,449−85.7% | Reduced |
| Squarepoint Ops LLC | 16,162 | $1.30M | 0.00% | +337+2.1% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 16,159 | $1.30M | 0.01% | +3,089+23.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 16,128 | $1.30M | 0.00% | −23,420−59.2% | Reduced |
| Guidance Capital, Inc | 13,581 | $1.28M | 0.37% | +44+0.3% | Added |
| Redmond Asset Management, LLC | 15,807 | $1.27M | 0.30% | −146−0.9% | Reduced |
| Voya Financial Advisors, Inc. | 15,538 | $1.25M | 0.13% | −816−5.0% | Reduced |
| Kestra Advisory Services, LLC | 15,572 | $1.25M | 0.01% | −299−1.9% | Reduced |
| Conestoga Capital Advisors, LLC | 15,490 | $1.25M | 0.02% | −50.0% | Reduced |
| Grove Bank & Trust | 15,350 | $1.23M | 0.15% | +1,211+8.6% | Added |
| Winton Group Ltd | 15,285 | $1.23M | 0.06% | +15,285 | New |
| American Assets Capital Advisers, LLC | 15,171 | $1.22M | 1.23% | +5,637+59.1% | Added |
| Metis Global Partners, LLC | 15,138 | $1.22M | 0.03% | −1,520−9.1% | Reduced |
| TradeLink Capital LLC | 15,081 | $1.21M | 4.30% | +15,081 | New |
| Tokio Marine Asset Management Co Ltd | 14,952 | $1.20M | 0.05% | +1,470+10.9% | Added |
| Toroso Investments, LLC | 14,838 | $1.19M | 0.01% | −734−4.7% | Reduced |
| Waterway Wealth Management, LLC | 14,800 | $1.19M | 0.36% | +14,800 | New |
| Sumitomo Life Insurance Co | 14,427 | $1.16M | 0.08% | −9,435−39.5% | Reduced |
| Phraction Management LLC | 14,342 | $1.15M | 0.37% | −630−4.2% | Reduced |
| EagleClaw Capital Managment, LLC | 14,300 | $1.15M | 0.17% | −150−1.0% | Reduced |
| Chicago Trust Co NA | 14,240 | $1.14M | 0.16% | +750+5.6% | Added |
| RSM US Wealth Management LLC | 14,081 | $1.13M | 0.02% | +3,209+29.5% | Added |
| RMR Wealth Builders | 13,888 | $1.12M | 0.10% | −31−0.2% | Reduced |
| Gibbs Wealth Management | 13,758 | $1.11M | 0.21% | +3,032+28.3% | Added |
| Bokf, NA | 13,471 | $1.08M | 0.02% | −295−2.1% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 13,458 | $1.08M | 0.02% | +54+0.4% | Added |
| Investment Management Corp of Ontario | 13,377 | $1.08M | 0.02% | +1,483+12.5% | Added |
| Vestmark Advisory Solutions, Inc. | 13,335 | $1.07M | 0.02% | +2,295+20.8% | Added |
| TownSquare Capital, LLC | 13,334 | $1.07M | 0.10% | −140,217−91.3% | Reduced |
| S-Bank Fund Management Ltd | 13,316 | $1.07M | 0.16% | −32,499−70.9% | Reduced |
| Bell Bank | 13,183 | $1.06M | 0.05% | −213−1.6% | Reduced |
| Wolverine Trading, LLC | 12,977 | $1.05M | 0.03% | +957+8.0% | Added |
| Regatta Capital Group, LLC | 13,034 | $1.05M | 0.18% | +413+3.3% | Added |
| Howard Capital Management Inc. | 12,524 | $1.01M | 0.02% | +2,797+28.8% | Added |
| Horizon Investments, LLC | 12,381 | $995.4K | 0.02% | +6,304+103.7% | Added |
| E. Ohman J:or Asset Management AB | 12,300 | $988.9K | 0.02% | 00.0% | Unchanged |
| Bayesian Capital Management, LP | 12,100 | $972.8K | 0.15% | +12,100 | New |
| Fifth Third Bancorp | 12,029 | $967.1K | 0.00% | +1,961+19.5% | Added |
| Copperwynd Financial, LLC | 12,018 | $966.2K | 0.24% | +2,936+32.3% | Added |
| Rockefeller Capital Management L.P. | 11,835 | $951.5K | 0.00% | +1,126+10.5% | Added |
| Sapient Capital LLC | 11,751 | $944.8K | 0.02% | −3,151−21.1% | Reduced |
| Westerkirk Capital Inc. | 11,700 | $940.7K | 0.12% | +11,700 | New |
| Bleakley Financial Group, LLC | 11,530 | $927.0K | 0.02% | +595+5.4% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 11,526 | $926.7K | 0.05% | −139−1.2% | Reduced |
| Vident Advisory, LLC | 11,500 | $924.6K | 0.01% | −7,832−40.5% | Reduced |
| Accretive Wealth Partners, LLC | 11,443 | $920.0K | 0.30% | +177+1.6% | Added |
| Postrock Partners LLC | 11,440 | $919.8K | 0.44% | 00.0% | Unchanged |
| Personal Cfo Solutions, LLC | 11,419 | $918.1K | 0.17% | −210−1.8% | Reduced |
| Scott Marsh Financial, LLC | 11,350 | $912.5K | 0.34% | +11,350 | New |
| Alps Advisors Inc | 11,338 | $911.6K | 0.01% | +859+8.2% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 11,292 | $907.9K | 0.06% | −782−6.5% | Reduced |
| Sowell Financial Services LLC | 11,114 | $893.6K | 0.04% | +3,846+52.9% | Added |
| Mattern Capital Management, LLC | 11,063 | $889.5K | 0.11% | +1,173+11.9% | Added |
| E Fund Management Co., Ltd. | 10,944 | $879.9K | 0.04% | −8,940−45.0% | Reduced |
| SRS Capital Advisors, Inc. | 10,925 | $878.4K | 0.04% | +235+2.2% | Added |
| Gilbert & Cook, Inc. | 10,890 | $875.6K | 0.12% | −486−4.3% | Reduced |
| David Loasby | 9,076 | $858.6K | 0.07% | +503+5.9% | Added |
| Ascent Group, LLC | 10,503 | $844.4K | 0.03% | +838+8.7% | Added |
| Man Group plc | 10,368 | $833.6K | 0.00% | +177+1.7% | Added |
| Miracle Mile Advisors, LLC | 10,215 | $821.3K | 0.01% | −741−6.8% | Reduced |
| Fortress Wealth Group, LLC | 8,147 | $788.9K | 0.37% | +554+7.3% | Added |
| Turtle Creek Wealth Advisors, LLC | 9,753 | $784.1K | 0.09% | +9,753 | New |
| Venturi Wealth Management, LLC | 9,592 | $771.2K | 0.04% | +4,106+74.8% | Added |
| China Universal Asset Management Co., Ltd. | 9,579 | $770.2K | 0.07% | −551−5.4% | Reduced |
| Atomi Financial Group, Inc. | 9,517 | $765.2K | 0.03% | +886+10.3% | Added |
| Hills Bank & Trust Co | 9,504 | $764.1K | 0.05% | −70−0.7% | Reduced |
| Benjamin Edwards Inc | 9,434 | $758.5K | 0.01% | −14,435−60.5% | Reduced |
| Empowered Funds, LLC | 9,397 | $755.5K | 0.01% | +1,456+18.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 9,384 | $754.3K | 0.01% | −657−6.5% | Reduced |
| MUFG Securities Americas Inc. | 9,350 | $751.7K | 0.06% | +1,890+25.3% | Added |
| Versor Investments LP | 9,300 | $747.7K | 0.13% | +9,300 | New |
| Hamilton Lane Advisors LLC | 9,232 | $742.3K | 0.55% | 00.0% | Unchanged |
| GAMMA Investing LLC | 9,192 | $739.0K | 0.05% | +2,857+45.1% | Added |
| Stansberry Asset Management, LLC | 9,109 | $732.4K | 0.08% | −532−5.5% | Reduced |
| Connable Office Inc | 9,000 | $723.6K | 0.07% | 00.0% | Unchanged |
| Vestcor Inc | 8,956 | $720.0K | 0.02% | +1,760+24.5% | Added |
| Summit Trail Advisors, LLC | 8,946 | $719.3K | 0.01% | −340−3.7% | Reduced |