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, Q4 2025
Institutional positions in Costar Group, Inc. as of Dec 31, 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
- 847
- −40 vs. Q3 2025
- Shares held
- 422.7M
- +11.7M (+2.8%) vs. Q3 2025
- Total value
- $28.4B
- −$6.23B (−18.0%) vs. Q3 2025
- New holders
- 103
- 273 more added
- Sold out
- 143
- 388 more reduced
18 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Farther Finance Advisors, LLC | 1,970 | $132.5K | 0.00% | +384+24.2% | Added |
| SageView Advisory Group, LLC | 1,996 | $134.2K | 0.00% | −563−22.0% | Reduced |
| Zions Bancorporation, National Association | 2,076 | $139.6K | 0.01% | +1,513+268.7% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 2,100 | $141.2K | 0.01% | 00.0% | Unchanged |
| Assetmark, Inc | 2,153 | $144.8K | 0.00% | −1,001−31.7% | Reduced |
| Rothschild Investment LLC | 2,208 | $148.5K | 0.01% | +1,718+350.6% | Added |
| ORG Wealth Partners, LLC | 2,224 | $149.5K | 0.04% | −1,219−35.4% | Reduced |
| TD Private Client Wealth LLC | 2,242 | $150.8K | 0.00% | −797−26.2% | Reduced |
| STF Management LP | 2,287 | $153.8K | 0.14% | −3,791−62.4% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 2,300 | $154.7K | 0.04% | +150+7.0% | Added |
| Westpac Banking Corp | 2,306 | $155.1K | 0.01% | +713+44.8% | Added |
| Quadrant Capital Group LLC | 2,646 | $177.9K | 0.01% | +146+5.8% | Added |
| MAI Capital Management | 2,660 | $178.8K | 0.00% | −2,531−48.8% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 2,755 | $185.0K | 0.00% | +592+27.4% | Added |
| Phraction Management LLC | 3,000 | $201.7K | 0.05% | −9,562−76.1% | Reduced |
| Twinbeech Capital LP | 3,000 | $201.7K | 0.01% | −23−0.8% | Reduced |
| Bridges Investment Management Inc | 3,000 | $201.7K | 0.00% | 00.0% | Unchanged |
| Riverview Capital Advisers, LLC | 3,063 | $206.0K | 0.06% | +100+3.4% | Added |
| Steward Partners Investment Advisory, LLC | 3,103 | $208.6K | 0.00% | −2,777−47.2% | Reduced |
| Signaturefd, LLC | 3,158 | $212.4K | 0.00% | −1,639−34.2% | Reduced |
| Patton Fund Management, Inc. | 3,181 | $213.9K | 0.03% | +522+19.6% | Added |
| Havemeyer Place LP | 3,225 | $216.8K | 0.04% | +3,225 | New |
| SG Trading Solutions, LLC | 3,237 | $218.0K | 0.05% | +3,237 | New |
| Cooper Financial Group | 3,259 | $219.1K | 0.02% | +88+2.8% | Added |
| Index Fund Advisors, Inc. | 3,283 | $220.7K | 0.01% | 00.0% | Unchanged |
| CX Institutional | 3,285 | $221.0K | 0.01% | +187+6.0% | Added |
| Everhart Financial Group, Inc. | 3,311 | $222.6K | 0.02% | −5,144−60.8% | Reduced |
| Mirabella Financial Services LLP | 3,321 | $223.3K | 0.02% | −13,019−79.7% | Reduced |
| RMB Capital Management, LLC | 3,359 | $225.9K | 0.00% | +3,359 | New |
| Financial Consulate, Inc | 3,360 | $225.9K | 0.03% | −1,052−23.8% | Reduced |
| Diversified Trust Co | 3,371 | $226.7K | 0.00% | −5,205−60.7% | Reduced |
| VARCOV Co. | 3,371 | $226.7K | 0.09% | +3,371 | New |
| Pensionmark Financial Group, LLC | 3,391 | $228.0K | 0.00% | −128−3.6% | Reduced |
| Diversify Advisory Services, LLC | 3,515 | $229.7K | 0.01% | −457−11.5% | Reduced |
| Allworth Financial LP | 3,428 | $230.5K | 0.00% | −317−8.5% | Reduced |
| Bokf, NA | 3,435 | $231.0K | 0.00% | −9,541−73.5% | Reduced |
| Salvus Wealth Management, LLC | 3,467 | $233.1K | 0.13% | +148+4.5% | Added |
| XTX Topco Ltd | 3,475 | $233.7K | 0.01% | −15,936−82.1% | Reduced |
| Loomis Sayles & Co L P | 3,515 | $236.3K | 0.00% | +2,352+202.2% | Added |
| Integrated Wealth Concepts LLC | 3,609 | $242.7K | 0.00% | −1,007−21.8% | Reduced |
| Cercano Management LLC | 3,637 | $244.6K | 0.01% | +3,637 | New |
| Yarbrough Capital, LLC | 3,670 | $246.8K | 0.01% | −4,340−54.2% | Reduced |
| Leonteq Securities AG | 3,705 | $249.1K | 0.01% | +3,551+2,305.8% | Added |
| HighPoint Advisor Group LLC | 3,770 | $253.5K | 0.01% | −910−19.4% | Reduced |
| Jones Financial Companies LLLP | 3,773 | $253.7K | 0.00% | +734+24.2% | Added |
| We Are One Seven, LLC | 3,791 | $254.9K | 0.01% | −20−0.5% | Reduced |
| Citizens Business Bank | 3,812 | $256.3K | 0.04% | −241−5.9% | Reduced |
| Wealth Alliance | 3,813 | $256.4K | 0.03% | −1,048−21.6% | Reduced |
| Net Worth Advisory Group | 3,832 | $257.7K | 0.05% | −106−2.7% | Reduced |
| Savant Capital, LLC | 3,861 | $259.6K | 0.00% | +199+5.4% | Added |
| Krilogy Financial LLC | 4,007 | $263.7K | 0.01% | −20,110−83.4% | Reduced |
| Atom Investors LP | 3,959 | $266.2K | 0.02% | +3,959 | New |
| Bell Bank | 3,962 | $266.4K | 0.01% | −8,821−69.0% | Reduced |
| Citizens Financial Group Inc | 3,967 | $266.7K | 0.00% | −457−10.3% | Reduced |
| PCM Encore, LLC | 3,990 | $268.3K | 0.06% | +3,990 | New |
| Vontobel Holding Ltd. | 3,999 | $268.9K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 4,027 | $270.8K | 0.00% | +1,800+80.8% | Added |
| Aprio Wealth Management, LLC | 4,068 | $273.5K | 0.02% | −2,084−33.9% | Reduced |
| Flputnam Investment Management Co | 4,069 | $273.6K | 0.00% | −590−12.7% | Reduced |
| Checchi Capital Advisers, LLC | 4,118 | $276.9K | 0.02% | −217−5.0% | Reduced |
| Cigna Investments Inc | 4,135 | $278.0K | 0.04% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 4,140 | $278.4K | 0.00% | +4,140 | New |
| CCG Wealth Management, LLC | 4,171 | $280.5K | 0.12% | −12−0.3% | Reduced |
| Golden State Wealth Management, LLC | 4,173 | $280.6K | 0.03% | +547+15.1% | Added |
| Mount Yale Investment Advisors, LLC | 4,181 | $281.1K | 0.01% | −584−12.3% | Reduced |
| NBC Securities, Inc. | 4,207 | $282.9K | 0.02% | −67−1.6% | Reduced |
| Apriem Advisors | 4,208 | $282.9K | 0.03% | −19−0.4% | Reduced |
| Moran Wealth Management, LLC | 4,298 | $289.0K | 0.01% | −2,059−32.4% | Reduced |
| Journey Retirement Planning & Investment Management LLC | 4,314 | $290.1K | 0.06% | +4,314 | New |
| Diversify Wealth Management, LLC | 4,787 | $295.9K | 0.01% | −290−5.7% | Reduced |
| One Wealth Capital Management, LLC | 4,438 | $298.4K | 0.13% | −152−3.3% | Reduced |
| Brown Miller Wealth Management, LLC | 4,444 | $298.8K | 0.08% | 00.0% | Unchanged |
| Chatham Capital Group, Inc. | 4,456 | $299.6K | 0.04% | −100−2.2% | Reduced |
| Parkside Financial Bank & Trust | 4,560 | $306.6K | 0.02% | +94+2.1% | Added |
| Adviser Investments LLC | 4,590 | $308.6K | 0.00% | −647−12.4% | Reduced |
| Pitcairn Wealth Advisors LLC | 4,610 | $310.0K | 0.03% | +4,610 | New |
| Ostrum Asset Management | 4,701 | $316.1K | 0.02% | −1,558−24.9% | Reduced |
| Coldstream Capital Management Inc | 4,763 | $320.3K | 0.00% | −1,891−28.4% | Reduced |
| Emerald Advisers, LLC | 4,808 | $323.3K | 0.01% | −215−4.3% | Reduced |
| David Loasby | 5,693 | $337.6K | 0.02% | −3,951−41.0% | Reduced |
| Howard Bailey Securities, LLC | 5,031 | $338.3K | 0.13% | −129−2.5% | Reduced |
| Forum Financial Management, LP | 5,051 | $339.6K | 0.00% | −475−8.6% | Reduced |
| Fidelis Capital Partners, LLC | 5,053 | $339.8K | 0.02% | −711−12.3% | Reduced |
| V-Square Quantitative Management LLC | 5,070 | $340.9K | 0.04% | +5,070 | New |
| Aigen Investment Management, LP | 5,078 | $341.4K | 0.08% | +5,078 | New |
| Syon Capital LLC | 5,160 | $347.0K | 0.02% | +5,160 | New |
| Canandaigua National Bank & Trust Co | 5,242 | $352.5K | 0.03% | −554−9.6% | Reduced |
| Huntington National Bank | 5,255 | $353.3K | 0.00% | −1,152−18.0% | Reduced |
| Strait & Sound Wealth Management LLC | 5,274 | $354.6K | 0.13% | 00.0% | Unchanged |
| Integrated Investment Consultants, LLC | 5,300 | $356.4K | 0.07% | −103−1.9% | Reduced |
| Perigon Wealth Management, LLC | 5,400 | $363.1K | 0.01% | −658−10.9% | Reduced |
| EntryPoint Capital, LLC | 5,439 | $365.7K | 0.14% | +5,439 | New |
| Ramiah Investment Group | 5,462 | $367.3K | 0.32% | +105+2.0% | Added |
| IVC Wealth Advisors LLC | 5,464 | $367.4K | 0.16% | −396−6.8% | Reduced |
| Kovitz Investment Group Partners, LLC | 5,488 | $369.0K | 0.01% | −4,162−43.1% | Reduced |
| Oakum Bay Capital LLC | 5,500 | $369.8K | 0.19% | +5,500 | New |
| Beacon Pointe Advisors, LLC | 5,521 | $371.2K | 0.00% | −126−2.2% | Reduced |
| Boothbay Fund Management, LLC | 5,539 | $372.4K | 0.01% | +2,373+75.0% | Added |
| Argos Wealth Advisors, LLC | 5,608 | $377.1K | 0.11% | +5,608 | New |
| DRW Securities, LLC | 5,672 | $381.4K | 0.03% | −7,178−55.9% | Reduced |