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 |
|---|---|---|---|---|---|
| JFS Wealth Advisors, LLC | 103 | $8.69K | 0.00% | 00.0% | Unchanged |
| Central Trust Co | 108 | $9.11K | 0.00% | −874−89.0% | Reduced |
| Westfuller Advisors, LLC | 110 | $9.28K | 0.00% | +110 | New |
| Dunhill Financial, LLC | 112 | $9.47K | 0.00% | 00.0% | Unchanged |
| Financial Management Professionals, Inc. | 114 | $9.62K | 0.00% | +34+42.5% | Added |
| Manchester Capital Management LLC | 119 | $10.0K | 0.00% | +37+45.1% | Added |
| Aventura Private Wealth, LLC | 122 | $10.3K | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 131 | $11.1K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 131 | $11.1K | 0.00% | +117+835.7% | Added |
| Rational Advisors LLC | 132 | $11.1K | 0.00% | +24+22.2% | Added |
| Ameriflex Group, Inc. | 134 | $11.3K | 0.00% | +134 | New |
| MV Capital Management, Inc. | 135 | $11.4K | 0.00% | +1+0.7% | Added |
| Clear Street Markets LLC | 137 | $11.6K | 0.00% | +137 | New |
| Geneos Wealth Management Inc. | 140 | $11.8K | 0.00% | −807−85.2% | Reduced |
| IFP Advisors, Inc | 143 | $12.1K | 0.00% | +143 | Added |
| Quaker Wealth Management, LLC | 150 | $12.7K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 153 | $12.9K | 0.00% | −5−3.2% | Reduced |
| Leonteq Securities AG | 154 | $13.0K | 0.00% | −1,415−90.2% | Reduced |
| Private Wealth Asset Management, LLC | 161 | $13.6K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 161 | $13.6K | 0.00% | +161 | New |
| Washington Trust Advisors, Inc. | 162 | $13.7K | 0.00% | 00.0% | Unchanged |
| ORG Partners LLC | 171 | $14.4K | 0.00% | +58+51.3% | Added |
| Ameritas Advisory Services, LLC | 180 | $15.2K | 0.00% | −14−7.2% | Reduced |
| Shell Asset Management Co | 186 | $16.0K | 0.00% | −67,264−99.7% | Reduced |
| Ronald Blue Trust, Inc. | 190 | $16.0K | 0.00% | +8+4.4% | Added |
| Private Wealth Management Group, LLC | 191 | $16.1K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 199 | $16.8K | 0.00% | +12+6.4% | Added |
| Dynamic Wealth Strategies, LLC | 200 | $16.9K | 0.01% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 203 | $17.1K | 0.00% | −3−1.5% | Reduced |
| Salomon & Ludwin, LLC | 203 | $17.2K | 0.00% | +155+322.9% | Added |
| Truvestments Capital LLC | 205 | $17.3K | 0.00% | +33+19.2% | Added |
| Catalyst Capital Advisors LLC | 212 | $17.9K | 0.00% | −42−16.5% | Reduced |
| Cornerstone Planning Group LLC | 273 | $19.0K | 0.00% | +8+3.0% | Added |
| Harbour Investments, Inc. | 241 | $20.3K | 0.00% | +36+17.6% | Added |
| Atlantic Trust, LLC | 245 | $20.7K | 0.00% | +4+1.7% | Added |
| South State Corp. | 251 | $21.2K | 0.00% | −43−14.6% | Reduced |
| Covestor Ltd | 266 | $22.0K | 0.01% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 270 | $22.8K | 0.00% | 00.0% | Unchanged |
| Berbice Capital Management LLC | 300 | $25.3K | 0.02% | 00.0% | Unchanged |
| Quent Capital, LLC | 308 | $26.0K | 0.00% | +308 | New |
| Hemington Wealth Management | 312 | $26.0K | 0.00% | +39+14.3% | Added |
| SBI Securities Co., Ltd. | 310 | $26.2K | 0.00% | −183−37.1% | Reduced |
| E Fund Management (Hong Kong) Co., Ltd. | 319 | $26.9K | 0.02% | +123+62.8% | Added |
| Manning & Napier Advisors LLC | 330 | $27.8K | 0.00% | +330 | New |
| McIlrath & Eck, LLC | 338 | $28.5K | 0.00% | 00.0% | Unchanged |
| Winthrop Capital Management, LLC | 346 | $29.0K | 0.01% | 00.0% | Unchanged |
| Hopwood Financial Services, Inc. | 350 | $29.5K | 0.02% | 00.0% | Unchanged |
| Westside Investment Management, Inc. | 360 | $30.1K | 0.00% | +180+100.0% | Added |
| Root Financial Partners, LLC | 369 | $31.1K | 0.00% | +369 | New |
| Cullen/Frost Bankers, Inc. | 373 | $31.5K | 0.00% | +18+5.1% | Added |
| Ancora Advisors, LLC | 405 | $34.2K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 409 | $34.5K | 0.00% | +396+3,046.2% | Added |
| Central Pacific Bank - Trust Division | 420 | $35.4K | 0.00% | −205−32.8% | Reduced |
| Pinnacle Bancorp, Inc. | 428 | $36.1K | 0.01% | 00.0% | Unchanged |
| Chilton Capital Management LLC | 429 | $36.2K | 0.00% | −214−33.3% | Reduced |
| Private Trust Co NA | 451 | $38.1K | 0.00% | −25−5.3% | Reduced |
| Financial Network Wealth Advisors LLC | 461 | $38.9K | 0.04% | −63−12.0% | Reduced |
| Pin Oak Investment Advisors Inc | 476 | $40.2K | 0.03% | +58+13.9% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 478 | $40.3K | 0.01% | −63−11.6% | Reduced |
| Rothschild Investment LLC | 490 | $41.3K | 0.00% | −742−60.2% | Reduced |
| Rossby Financial, LCC | 503 | $42.0K | 0.01% | +162+47.5% | Added |
| Caitong International Asset Management Co., Ltd | 515 | $43.5K | 0.03% | +513+25,650.0% | Added |
| Close Asset Management Ltd | 520 | $44.0K | 0.00% | 00.0% | Unchanged |
| Park Place Capital Corp | 545 | $46.0K | 0.01% | 00.0% | Unchanged |
| Zions Bancorporation, National Association | 563 | $47.5K | 0.00% | +166+41.8% | Added |
| Wealthspire Advisors, LLC | 566 | $47.8K | 0.00% | +566 | New |
| JPL Wealth Management, LLC | 569 | $48.0K | 0.01% | +569 | New |
| Colonial Trust Co | 593 | $50.0K | 0.01% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 587 | $50.0K | 0.00% | +23+4.1% | Added |
| Rise Advisors, LLC | 629 | $53.1K | 0.02% | +11+1.8% | Added |
| Essential Partners LLC | 632 | $53.3K | 0.02% | +601+1,938.7% | Added |
| Twin Lakes Capital Management, LLC | 635 | $53.6K | 0.02% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 646 | $54.5K | 0.02% | 00.0% | Unchanged |
| Bank of Jackson Hole Trust | 648 | $54.7K | 0.03% | +648 | New |
| CVA Family Office, LLC | 702 | $59.2K | 0.01% | +50+7.7% | Added |
| WPG Advisers, LLC | 716 | $60.4K | 0.05% | −19−2.6% | Reduced |
| Promus Capital, LLC | 759 | $64.0K | 0.04% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 842 | $71.0K | 0.00% | −1,167−58.1% | Reduced |
| Newbridge Financial Services Group, Inc. | 897 | $75.7K | 0.01% | +897 | New |
| Sentry Investment Management LLC | 1,082 | $86.0K | 0.06% | −91−7.8% | Reduced |
| Pension & Wealth Management Advisors, Inc. | 1,031 | $87.0K | 0.03% | +41+4.1% | Added |
| Cromwell Holdings LLC | 1,037 | $87.5K | 0.05% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,061 | $89.5K | 0.00% | +1,061 | New |
| Quest Partners LLC | 1,069 | $90.2K | 0.01% | +1,069 | New |
| Onefund, LLC | 1,098 | $92.6K | 0.06% | +39+3.7% | Added |
| Loomis Sayles & Co L P | 1,163 | $98.1K | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 1,256 | $106.0K | 0.03% | 00.0% | Unchanged |
| Quarry LP | 1,269 | $107.1K | 0.03% | +874+221.3% | Added |
| HighMark Wealth Management LLC | 1,296 | $109.3K | 0.05% | −3−0.2% | Reduced |
| Larson Financial Group LLC | 1,309 | $110.4K | 0.00% | −535−29.0% | Reduced |
| Stephenson National Bank & Trust | 1,430 | $120.6K | 0.04% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 1,459 | $123.1K | 0.00% | +1,459 | New |
| Whittier Trust Co of Nevada Inc | 1,475 | $125.1K | 0.00% | −16−1.1% | Reduced |
| Farther Finance Advisors, LLC | 1,586 | $133.8K | 0.00% | +125+8.6% | Added |
| Westpac Banking Corp | 1,593 | $134.4K | 0.01% | 00.0% | Unchanged |
| Proathlete Wealth Management LLC | 1,666 | $140.6K | 0.04% | 00.0% | Unchanged |
| Whittier Trust Co | 1,750 | $148.4K | 0.00% | −250−12.5% | Reduced |
| Delta Asset Management LLC | 1,760 | $148.5K | 0.01% | 00.0% | Unchanged |
| Osterweis Capital Management Inc | 1,768 | $149.2K | 0.01% | −49−2.7% | Reduced |
| Brown Brothers Harriman & Co | 1,814 | $153.0K | 0.00% | +684+60.5% | Added |