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 |
|---|---|---|---|---|---|
| Wallace Advisory Group, LLC | 5,201 | $412.1K | 0.30% | +126+2.5% | Added |
| Ramiah Investment Group | 5,141 | $413.3K | 0.44% | +5,141 | New |
| Penserra Capital Management LLC | 5,189 | $415.0K | 0.01% | −150−2.8% | Reduced |
| Adviser Investments LLC | 5,224 | $420.0K | 0.01% | +34+0.7% | Added |
| ICICI Prudential Asset Management Co Ltd | 5,287 | $425.1K | 0.05% | +27+0.5% | Added |
| Citizens Financial Group Inc | 5,296 | $425.8K | 0.01% | +554+11.7% | Added |
| Aprio Wealth Management, LLC | 5,299 | $426.1K | 0.05% | +5,299 | New |
| Wedbush Securities Inc | 5,341 | $429.0K | 0.01% | +312+6.2% | Added |
| Canada Post Corp Registered Pension Plan | 5,360 | $430.9K | 0.03% | +5,360 | New |
| Buttonwood Financial Advisors Inc. | 5,362 | $431.1K | 0.17% | +5,362 | New |
| Howard Bailey Securities, LLC | 5,379 | $432.5K | 0.13% | +65+1.2% | Added |
| Integrated Investment Consultants, LLC | 5,403 | $434.4K | 0.09% | −39−0.7% | Reduced |
| Coldstream Capital Management Inc | 5,627 | $452.4K | 0.01% | −382−6.4% | Reduced |
| Michael B. Yongue | 5,684 | $457.0K | 0.34% | +372+7.0% | Added |
| Neo Ivy Capital Management | 5,752 | $462.5K | 0.15% | −58−1.0% | Reduced |
| Emerald Advisers, LLC | 5,763 | $463.3K | 0.02% | +110+1.9% | Added |
| Prestige Wealth Management Group LLC | 5,765 | $463.5K | 0.09% | +23+0.4% | Added |
| Marks Group Wealth Management, Inc | 5,771 | $464.0K | 0.04% | −161−2.7% | Reduced |
| Canandaigua National Bank & Trust Co | 5,805 | $466.7K | 0.04% | +536+10.2% | Added |
| Atria Wealth Solutions, Inc. | 5,851 | $470.9K | 0.01% | −4,105−41.2% | Reduced |
| Altfest L J & Co Inc | 5,900 | $474.4K | 0.06% | −3,267−35.6% | Reduced |
| 17 Capital Partners, LLC | 5,908 | $475.0K | 0.27% | +1,775+42.9% | Added |
| Intellectus Partners, LLC | 5,921 | $476.0K | 0.10% | +82+1.4% | Added |
| WSFS Capital Management, LLC | 5,924 | $476.3K | 0.03% | +795+15.5% | Added |
| Hilltop Holdings Inc. | 5,927 | $476.5K | 0.03% | −237−3.8% | Reduced |
| Kathleen S. Wright Associates Inc. | 5,200 | $478.4K | 0.19% | −230−4.2% | Reduced |
| Siemens Fonds Invest GmbH | 5,973 | $480.2K | 0.03% | +1,184+24.7% | Added |
| Perigon Wealth Management, LLC | 6,020 | $484.0K | 0.01% | +339+6.0% | Added |
| Harbor Investment Advisory, LLC | 6,100 | $490.4K | 0.04% | −68−1.1% | Reduced |
| GWM Advisors LLC | 6,168 | $495.9K | 0.00% | +4,695+318.7% | Added |
| Integrated Wealth Concepts LLC | 6,171 | $496.2K | 0.00% | +1,382+28.9% | Added |
| ING Groep NV | 6,245 | $502.1K | 0.00% | −176,507−96.6% | Reduced |
| HighPoint Advisor Group LLC | 6,258 | $503.1K | 0.03% | −54−0.9% | Reduced |
| STF Management LP | 6,269 | $504.0K | 0.20% | +128+2.1% | Added |
| Buckhead Capital Management LLC | 6,303 | $506.8K | 0.20% | 00.0% | Unchanged |
| Diversify Wealth Management, LLC | 5,763 | $509.8K | 0.03% | −553−8.8% | Reduced |
| Mirabella Financial Services LLP | 6,333 | $511.4K | 0.05% | −20,859−76.7% | Reduced |
| Cresset Asset Management, LLC | 6,428 | $516.8K | 0.00% | −5,075−44.1% | Reduced |
| Ostrum Asset Management | 6,453 | $518.8K | 0.02% | −1,522−19.1% | Reduced |
| Parallel Advisors, LLC | 6,456 | $519.1K | 0.01% | +285+4.6% | Added |
| IVC Wealth Advisors LLC | 6,457 | $519.1K | 0.25% | −363−5.3% | Reduced |
| Everence Capital Management Inc | 6,590 | $530.0K | 0.03% | −5,800−46.8% | Reduced |
| Merit Financial Group, LLC | 6,670 | $536.3K | 0.01% | +2,519+60.7% | Added |
| Steward Partners Investment Advisory, LLC | 6,749 | $542.6K | 0.00% | −611−8.3% | Reduced |
| Moran Wealth Management, LLC | 6,769 | $544.2K | 0.02% | −912−11.9% | Reduced |
| Hengehold Capital Management LLC | 6,789 | $545.8K | 0.05% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 6,793 | $548.6K | 0.05% | −110−1.6% | Reduced |
| First Manhattan Co | 6,847 | $550.5K | 0.00% | 00.0% | Unchanged |
| Enhancing Capital LLC | 6,880 | $553.2K | 0.42% | −30.0% | Reduced |
| Farringdon Capital, Ltd. | 6,957 | $559.3K | 0.19% | +6,957 | New |
| Peapack Gladstone Financial Corp | 6,965 | $560.0K | 0.01% | +1,217+21.2% | Added |
| Fidelis Capital Partners, LLC | 5,853 | $563.6K | 0.05% | −5−0.1% | Reduced |
| Vise Technologies, Inc. | 7,036 | $565.7K | 0.02% | +7,036 | New |
| Everhart Financial Group, Inc. | 7,150 | $574.9K | 0.07% | +869+13.8% | Added |
| Baron Wealth Management LLC | 7,159 | $575.6K | 0.20% | −636−8.2% | Reduced |
| Walleye Capital LLC | 7,307 | $587.5K | 0.01% | −10,219−58.3% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 7,372 | $592.7K | 0.01% | +3,842+108.8% | Added |
| United Capital Financial Advisers, LLC | 7,378 | $593.2K | 0.00% | −845−10.3% | Reduced |
| Trust Point Inc. | 7,453 | $599.2K | 0.06% | −2,982−28.6% | Reduced |
| Private Advisor Group, LLC | 7,632 | $613.6K | 0.00% | −284−3.6% | Reduced |
| Kovitz Investment Group Partners, LLC | 7,664 | $616.2K | 0.00% | −505−6.2% | Reduced |
| Oarsman Capital, Inc. | 7,766 | $624.4K | 0.10% | +201+2.7% | Added |
| Baker Tilly Wealth Management, LLC | 7,789 | $626.2K | 0.22% | −453−5.5% | Reduced |
| Americana Partners, LLC | 7,885 | $634.0K | 0.02% | +70+0.9% | Added |
| Yarbrough Capital, LLC | 8,010 | $644.0K | 0.02% | −4,800−37.5% | Reduced |
| Assenagon Asset Management S.A. | 8,164 | $656.4K | 0.00% | +214+2.7% | Added |
| Inceptionr LLC | 8,202 | $659.4K | 0.15% | +8,202 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 8,373 | $673.2K | 0.00% | −431−4.9% | Reduced |
| Empirical Finance, LLC | 8,376 | $673.4K | 0.04% | +114+1.4% | Added |
| CWM, LLC | 8,391 | $675.0K | 0.00% | −399−4.5% | Reduced |
| Patten & Patten Inc | 8,561 | $688.3K | 0.04% | +30.0% | Added |
| Snowden Capital Advisors LLC | 8,914 | $716.7K | 0.02% | +424+5.0% | Added |
| Summit Trail Advisors, LLC | 8,946 | $719.3K | 0.01% | −340−3.7% | Reduced |
| Vestcor Inc | 8,956 | $720.0K | 0.02% | +1,760+24.5% | Added |
| Connable Office Inc | 9,000 | $723.6K | 0.07% | 00.0% | Unchanged |
| Stansberry Asset Management, LLC | 9,109 | $732.4K | 0.08% | −532−5.5% | Reduced |
| GAMMA Investing LLC | 9,192 | $739.0K | 0.05% | +2,857+45.1% | Added |
| Hamilton Lane Advisors LLC | 9,232 | $742.3K | 0.55% | 00.0% | Unchanged |
| Versor Investments LP | 9,300 | $747.7K | 0.13% | +9,300 | New |
| MUFG Securities Americas Inc. | 9,350 | $751.7K | 0.06% | +1,890+25.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 9,384 | $754.3K | 0.01% | −657−6.5% | Reduced |
| Empowered Funds, LLC | 9,397 | $755.5K | 0.01% | +1,456+18.3% | Added |
| Benjamin Edwards Inc | 9,434 | $758.5K | 0.01% | −14,435−60.5% | Reduced |
| Hills Bank & Trust Co | 9,504 | $764.1K | 0.05% | −70−0.7% | Reduced |
| Atomi Financial Group, Inc. | 9,517 | $765.2K | 0.03% | +886+10.3% | Added |
| China Universal Asset Management Co., Ltd. | 9,579 | $770.2K | 0.07% | −551−5.4% | Reduced |
| Venturi Wealth Management, LLC | 9,592 | $771.2K | 0.04% | +4,106+74.8% | Added |
| Turtle Creek Wealth Advisors, LLC | 9,753 | $784.1K | 0.09% | +9,753 | New |
| Fortress Wealth Group, LLC | 8,147 | $788.9K | 0.37% | +554+7.3% | Added |
| Miracle Mile Advisors, LLC | 10,215 | $821.3K | 0.01% | −741−6.8% | Reduced |
| Man Group plc | 10,368 | $833.6K | 0.00% | +177+1.7% | Added |
| Ascent Group, LLC | 10,503 | $844.4K | 0.03% | +838+8.7% | Added |
| David Loasby | 9,076 | $858.6K | 0.07% | +503+5.9% | Added |
| Gilbert & Cook, Inc. | 10,890 | $875.6K | 0.12% | −486−4.3% | Reduced |
| SRS Capital Advisors, Inc. | 10,925 | $878.4K | 0.04% | +235+2.2% | Added |
| E Fund Management Co., Ltd. | 10,944 | $879.9K | 0.04% | −8,940−45.0% | Reduced |
| Mattern Capital Management, LLC | 11,063 | $889.5K | 0.11% | +1,173+11.9% | Added |
| Sowell Financial Services LLC | 11,114 | $893.6K | 0.04% | +3,846+52.9% | Added |
| Kentucky Retirement Systems Insurance Trust Fund | 11,292 | $907.9K | 0.06% | −782−6.5% | Reduced |
| Alps Advisors Inc | 11,338 | $911.6K | 0.01% | +859+8.2% | Added |