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, Q3 2025
Institutional positions in Costar Group, Inc. as of Sep 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
- 905
- +46 vs. Q2 2025
- Shares held
- 413.6M
- −5.67M (−1.4%) vs. Q2 2025
- Total value
- $34.9B
- +$1.15B (+3.4%) vs. Q2 2025
- New holders
- 107
- 364 more added
- Sold out
- 61
- 314 more reduced
14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Apollon Wealth Management, LLC | 4,608 | $388.8K | 0.01% | +276+6.4% | Added |
| Integrated Wealth Concepts LLC | 4,616 | $389.5K | 0.00% | −1,555−25.2% | Reduced |
| Flputnam Investment Management Co | 4,659 | $393.1K | 0.01% | +422+10.0% | Added |
| HighPoint Advisor Group LLC | 4,680 | $394.8K | 0.02% | −1,578−25.2% | Reduced |
| Highland Capital Management Fund Advisors, L.P. | 4,715 | $397.8K | 0.04% | +4,715 | New |
| Mount Yale Investment Advisors, LLC | 4,765 | $402.0K | 0.03% | +4,318+966.0% | Added |
| Signaturefd, LLC | 4,797 | $404.7K | 0.01% | +9+0.2% | Added |
| Wealth Alliance | 4,861 | $410.2K | 0.04% | −12−0.2% | Reduced |
| Voleon Capital Management LP | 4,866 | $410.5K | 0.01% | +1,617+49.8% | Added |
| Emerald Advisers, LLC | 5,023 | $423.8K | 0.01% | −740−12.8% | Reduced |
| World Equity Group, Inc. | 5,096 | $429.9K | 0.10% | +5,096 | New |
| Howard Bailey Securities, LLC | 5,160 | $435.3K | 0.12% | −219−4.1% | Reduced |
| MAI Capital Management | 5,191 | $437.9K | 0.00% | +1,374+36.0% | Added |
| Penserra Capital Management LLC | 5,215 | $438.0K | 0.01% | +26+0.5% | Added |
| Pembroke Management, LTD | 5,205 | $439.1K | 0.04% | +848+19.5% | Added |
| Adviser Investments LLC | 5,237 | $441.8K | 0.01% | +13+0.2% | Added |
| Marks Group Wealth Management, Inc | 5,250 | $442.9K | 0.04% | −521−9.0% | Reduced |
| Strait & Sound Wealth Management LLC | 5,274 | $445.0K | 0.17% | +1,163+28.3% | Added |
| Wedbush Securities Inc | 5,323 | $449.0K | 0.01% | −18−0.3% | Reduced |
| Ramiah Investment Group | 5,357 | $452.0K | 0.40% | +216+4.2% | Added |
| Integrated Investment Consultants, LLC | 5,403 | $455.9K | 0.08% | 00.0% | Unchanged |
| WSFS Capital Management, LLC | 5,474 | $461.8K | 0.02% | −450−7.6% | Reduced |
| Brookstone Capital Management | 5,495 | $463.6K | 0.01% | +5,495 | New |
| Forum Financial Management, LP | 5,526 | $466.2K | 0.01% | +688+14.2% | Added |
| Stevens Capital Management LP | 5,550 | $468.0K | 0.06% | +5,550 | New |
| Beacon Pointe Advisors, LLC | 5,647 | $476.4K | 0.00% | +613+12.2% | Added |
| GWM Advisors LLC | 5,716 | $482.3K | 0.00% | −452−7.3% | Reduced |
| Fidelis Capital Partners, LLC | 5,764 | $486.3K | 0.04% | −89−1.5% | Reduced |
| Canandaigua National Bank & Trust Co | 5,796 | $489.0K | 0.04% | −9−0.2% | Reduced |
| IVC Wealth Advisors LLC | 5,860 | $494.4K | 0.22% | −597−9.2% | Reduced |
| AXS Investments LLC | 5,867 | $495.0K | 0.16% | +5,867 | New |
| Steward Partners Investment Advisory, LLC | 5,880 | $496.1K | 0.00% | −869−12.9% | Reduced |
| Birch Financial Group, LLC | 5,883 | $496.3K | 0.29% | +2,091+55.1% | Added |
| 17 Capital Partners, LLC | 5,921 | $499.6K | 0.27% | +13+0.2% | Added |
| Michael B. Yongue | 5,925 | $499.9K | 0.35% | +241+4.2% | Added |
| Siemens Fonds Invest GmbH | 5,942 | $501.3K | 0.03% | −31−0.5% | Reduced |
| NorthRock Partners, LLC | 6,001 | $506.3K | 0.01% | +1,402+30.5% | Added |
| Prestige Wealth Management Group LLC | 6,024 | $508.2K | 0.10% | +259+4.5% | Added |
| Tema ETFs LLC | 6,042 | $509.8K | 0.04% | +6,042 | New |
| Perigon Wealth Management, LLC | 6,058 | $511.1K | 0.01% | +38+0.6% | Added |
| STF Management LP | 6,078 | $512.8K | 0.19% | −191−3.0% | Reduced |
| Harbor Investment Advisory, LLC | 6,100 | $514.7K | 0.04% | 00.0% | Unchanged |
| Aprio Wealth Management, LLC | 6,152 | $519.1K | 0.05% | +853+16.1% | Added |
| Chesapeake Capital Corp | 6,194 | $522.6K | 0.47% | +6,194 | New |
| Ostrum Asset Management | 6,259 | $528.1K | 0.02% | −194−3.0% | Reduced |
| Buckhead Capital Management LLC | 6,303 | $531.8K | 0.19% | 00.0% | Unchanged |
| Moran Wealth Management, LLC | 6,357 | $536.3K | 0.02% | −412−6.1% | Reduced |
| Intellectus Partners, LLC | 6,384 | $538.6K | 0.10% | +463+7.8% | Added |
| Huntington National Bank | 6,407 | $540.6K | 0.00% | +1,499+30.5% | Added |
| ICICI Prudential Asset Management Co Ltd | 6,506 | $548.9K | 0.06% | +1,219+23.1% | Added |
| Virtu Financial LLC | 6,526 | $551.0K | 0.03% | +6,526 | New |
| Three Seasons Wealth, LLC | 6,632 | $559.5K | 0.06% | +2,227+50.6% | Added |
| Coldstream Capital Management Inc | 6,654 | $561.4K | 0.01% | +1,027+18.3% | Added |
| Hilltop Holdings Inc. | 6,684 | $563.9K | 0.03% | +757+12.8% | Added |
| Catalytic Wealth RIA, LLC | 6,716 | $566.6K | 0.02% | +4,029+149.9% | Added |
| Hengehold Capital Management LLC | 6,760 | $570.3K | 0.05% | −29−0.4% | Reduced |
| Oarsman Capital, Inc. | 6,787 | $572.6K | 0.08% | −979−12.6% | Reduced |
| First Manhattan Co | 6,847 | $577.7K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 6,932 | $584.9K | 0.00% | −4,903−41.4% | Reduced |
| Vise Technologies, Inc. | 6,972 | $588.2K | 0.02% | −64−0.9% | Reduced |
| Enhancing Capital LLC | 7,030 | $593.1K | 0.43% | +150+2.2% | Added |
| Fortress Wealth Group, LLC | 8,474 | $597.5K | 0.26% | +327+4.0% | Added |
| Trust Point Inc. | 7,090 | $598.2K | 0.05% | −363−4.9% | Reduced |
| Neo Ivy Capital Management | 7,114 | $600.2K | 0.15% | +1,362+23.7% | Added |
| Baron Wealth Management LLC | 7,159 | $604.0K | 0.20% | 00.0% | Unchanged |
| Advisors Preferred, LLC | 7,377 | $615.8K | 0.09% | +7,377 | New |
| Colony Capital, Inc. | 7,300 | $615.9K | 0.05% | +7,300 | New |
| Susquehanna Portfolio Strategies, LLC | 7,372 | $622.0K | 0.01% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 7,451 | $628.6K | 0.00% | −181−2.4% | Reduced |
| Cresset Asset Management, LLC | 7,469 | $630.2K | 0.00% | +1,041+16.2% | Added |
| Merit Financial Group, LLC | 7,483 | $631.3K | 0.01% | +813+12.2% | Added |
| Raiffeisen Bank International AG | 7,550 | $635.9K | 0.01% | +7,550 | New |
| United Capital Financial Advisers, LLC | 7,545 | $636.6K | 0.00% | +167+2.3% | Added |
| Altfest L J & Co Inc | 7,562 | $638.0K | 0.07% | +1,662+28.2% | Added |
| Baker Tilly Wealth Management, LLC | 7,730 | $652.2K | 0.15% | −59−0.8% | Reduced |
| Peapack Gladstone Financial Corp | 7,857 | $663.0K | 0.01% | +892+12.8% | Added |
| Yarbrough Capital, LLC | 8,010 | $675.8K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 8,102 | $683.6K | 0.02% | +7,556+1,383.9% | Added |
| MUFG Securities EMEA plc | 8,109 | $684.2K | 0.02% | +6,867+552.9% | Added |
| Snowden Capital Advisors LLC | 8,193 | $691.2K | 0.02% | −721−8.1% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 17,558 | $709.8K | 0.03% | +6,032+52.3% | Added |
| Everhart Financial Group, Inc. | 8,455 | $713.3K | 0.07% | +1,305+18.3% | Added |
| Empirical Finance, LLC | 8,530 | $719.7K | 0.03% | +154+1.8% | Added |
| Patten & Patten Inc | 8,558 | $722.0K | 0.04% | −30.0% | Reduced |
| Diversified Trust Co | 8,576 | $723.6K | 0.01% | +5,568+185.1% | Added |
| CAPROCK Group, Inc. | 8,181 | $732.1K | 0.02% | +8,181 | New |
| Sapient Capital LLC | 8,774 | $739.0K | 0.01% | −2,977−25.3% | Reduced |
| Walleye Trading LLC | 8,788 | $741.4K | 0.01% | +8,788 | New |
| Stansberry Asset Management, LLC | 8,866 | $748.0K | 0.08% | −243−2.7% | Reduced |
| Connable Office Inc | 9,000 | $759.3K | 0.07% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 9,126 | $768.7K | 0.05% | +2,333+34.3% | Added |
| Americana Partners, LLC | 9,170 | $773.7K | 0.02% | +1,285+16.3% | Added |
| David Loasby | 9,644 | $777.3K | 0.06% | +568+6.3% | Added |
| Buttonwood Financial Advisors Inc. | 9,240 | $779.6K | 0.27% | +3,878+72.3% | Added |
| Stratos Wealth Partners, LTD. | 9,318 | $786.2K | 0.01% | +9,318 | New |
| Hills Bank & Trust Co | 9,504 | $801.9K | 0.05% | 00.0% | Unchanged |
| Integrity Alliance, LLC. | 9,566 | $807.1K | 0.04% | +9,566 | New |
| Ritholtz Wealth Management | 9,631 | $812.6K | 0.02% | +9,631 | New |
| Kovitz Investment Group Partners, LLC | 9,650 | $814.2K | 0.00% | +1,986+25.9% | Added |
| Dynamic Technology Lab Private Ltd | 9,719 | $820.0K | 0.14% | +6,411+193.8% | Added |