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 |
|---|---|---|---|---|---|
| Neo Ivy Capital Management | 8,157 | $548.5K | 0.09% | +1,043+14.7% | Added |
| B.O.S.S. Retirement Advisors, LLC | 8,074 | $542.9K | 0.17% | −11,640−59.0% | Reduced |
| Stansberry Asset Management, LLC | 8,002 | $538.1K | 0.05% | −864−9.7% | Reduced |
| Fifth Third Bancorp | 7,866 | $528.9K | 0.00% | −3,998−33.7% | Reduced |
| Spire Wealth Management | 7,787 | $523.6K | 0.02% | −315−3.9% | Reduced |
| Three Seasons Wealth, LLC | 7,786 | $523.5K | 0.05% | +1,154+17.4% | Added |
| Raiffeisen Bank International AG | 7,550 | $512.3K | 0.01% | 00.0% | Unchanged |
| Baker Tilly Wealth Management, LLC | 7,476 | $502.7K | 0.12% | −254−3.3% | Reduced |
| Aaron Wealth Advisors | 7,475 | $502.6K | 0.03% | +4,162+125.6% | Added |
| Snowden Capital Advisors LLC | 7,461 | $501.7K | 0.01% | −732−8.9% | Reduced |
| Michael B. Yongue | 7,396 | $497.3K | 0.34% | +1,471+24.8% | Added |
| Americana Partners, LLC | 7,378 | $496.1K | 0.01% | −1,792−19.5% | Reduced |
| Capstone Investment Advisors, LLC | 7,367 | $495.4K | 0.00% | −70,342−90.5% | Reduced |
| Peapack Gladstone Financial Corp | 7,240 | $486.0K | 0.01% | −617−7.9% | Reduced |
| Baron Wealth Management LLC | 7,142 | $480.2K | 0.15% | −17−0.2% | Reduced |
| Buttonwood Financial Advisors Inc. | 7,081 | $476.1K | 0.16% | −2,159−23.4% | Reduced |
| Trust Point Inc. | 7,077 | $475.9K | 0.04% | −13−0.2% | Reduced |
| Merit Financial Group, LLC | 7,001 | $470.8K | 0.00% | −482−6.4% | Reduced |
| Banque Cantonale Vaudoise | 6,967 | $469.0K | 0.02% | −5,704−45.0% | Reduced |
| Wheels Up Wealth, Inc. | 6,940 | $466.6K | 0.43% | +6,940 | New |
| Smartleaf Asset Management LLC | 6,840 | $464.2K | 0.02% | −2,286−25.0% | Reduced |
| First Manhattan Co | 6,847 | $460.4K | 0.00% | 00.0% | Unchanged |
| Buckhead Capital Management LLC | 6,810 | $457.9K | 0.16% | +507+8.0% | Added |
| ICICI Prudential Asset Management Co Ltd | 6,801 | $457.3K | 0.05% | +295+4.5% | Added |
| Hengehold Capital Management LLC | 6,760 | $454.5K | 0.04% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 6,686 | $449.6K | 0.00% | −765−10.3% | Reduced |
| Hilltop Holdings Inc. | 6,507 | $437.5K | 0.03% | −177−2.6% | Reduced |
| Intellectus Partners, LLC | 6,359 | $427.6K | 0.08% | −25−0.4% | Reduced |
| Alliance Wealth Advisors, LLC | 6,349 | $426.9K | 0.09% | −7,141−52.9% | Reduced |
| Balyasny Asset Management LLC | 6,343 | $426.5K | 0.00% | +6,343 | New |
| Bridgefront Capital, LLC | 6,321 | $425.0K | 0.11% | +2,384+60.6% | Added |
| Patten & Patten Inc | 6,303 | $423.8K | 0.02% | −2,255−26.3% | Reduced |
| TCW Group Inc | 6,265 | $421.3K | 0.00% | +6,265 | New |
| LRT Capital Management, LLC | 6,247 | $420.0K | 0.36% | +6,247 | New |
| Marks Group Wealth Management, Inc | 6,187 | $416.0K | 0.04% | +937+17.8% | Added |
| Tema ETFs LLC | 6,185 | $415.9K | 0.03% | +143+2.4% | Added |
| Harbor Investment Advisory, LLC | 6,175 | $415.2K | 0.03% | +75+1.2% | Added |
| United Capital Financial Advisers, LLC | 6,033 | $405.7K | 0.00% | −1,512−20.0% | Reduced |
| Oarsman Capital, Inc. | 6,002 | $403.6K | 0.05% | −785−11.6% | Reduced |
| Siemens Fonds Invest GmbH | 5,942 | $403.2K | 0.02% | 00.0% | Unchanged |
| Birch Financial Group, LLC | 5,988 | $402.7K | 0.23% | +105+1.8% | Added |
| Wedbush Securities Inc | 5,905 | $397.0K | 0.01% | +582+10.9% | Added |
| GTS Securities LLC | 5,884 | $395.6K | 0.01% | −6,711−53.3% | Reduced |
| Grove Bank & Trust | 5,882 | $395.5K | 0.04% | −8,386−58.8% | Reduced |
| Pembroke Management, LTD | 5,874 | $395.0K | 0.04% | +669+12.9% | Added |
| Rockefeller Capital Management L.P. | 5,829 | $391.9K | 0.00% | −1,103−15.9% | Reduced |
| Penserra Capital Management LLC | 5,750 | $385.0K | 0.00% | +535+10.3% | Added |
| DRW Securities, LLC | 5,672 | $381.4K | 0.03% | −7,178−55.9% | Reduced |
| Argos Wealth Advisors, LLC | 5,608 | $377.1K | 0.11% | +5,608 | New |
| Boothbay Fund Management, LLC | 5,539 | $372.4K | 0.01% | +2,373+75.0% | Added |
| Beacon Pointe Advisors, LLC | 5,521 | $371.2K | 0.00% | −126−2.2% | Reduced |
| Oakum Bay Capital LLC | 5,500 | $369.8K | 0.19% | +5,500 | New |
| Kovitz Investment Group Partners, LLC | 5,488 | $369.0K | 0.01% | −4,162−43.1% | Reduced |
| IVC Wealth Advisors LLC | 5,464 | $367.4K | 0.16% | −396−6.8% | Reduced |
| Ramiah Investment Group | 5,462 | $367.3K | 0.32% | +105+2.0% | Added |
| EntryPoint Capital, LLC | 5,439 | $365.7K | 0.14% | +5,439 | New |
| Perigon Wealth Management, LLC | 5,400 | $363.1K | 0.01% | −658−10.9% | Reduced |
| Integrated Investment Consultants, LLC | 5,300 | $356.4K | 0.07% | −103−1.9% | Reduced |
| Strait & Sound Wealth Management LLC | 5,274 | $354.6K | 0.13% | 00.0% | Unchanged |
| Huntington National Bank | 5,255 | $353.3K | 0.00% | −1,152−18.0% | Reduced |
| Canandaigua National Bank & Trust Co | 5,242 | $352.5K | 0.03% | −554−9.6% | Reduced |
| Syon Capital LLC | 5,160 | $347.0K | 0.02% | +5,160 | New |
| Aigen Investment Management, LP | 5,078 | $341.4K | 0.08% | +5,078 | New |
| V-Square Quantitative Management LLC | 5,070 | $340.9K | 0.04% | +5,070 | New |
| Fidelis Capital Partners, LLC | 5,053 | $339.8K | 0.02% | −711−12.3% | Reduced |
| Forum Financial Management, LP | 5,051 | $339.6K | 0.00% | −475−8.6% | Reduced |
| Howard Bailey Securities, LLC | 5,031 | $338.3K | 0.13% | −129−2.5% | Reduced |
| David Loasby | 5,693 | $337.6K | 0.02% | −3,951−41.0% | Reduced |
| Emerald Advisers, LLC | 4,808 | $323.3K | 0.01% | −215−4.3% | Reduced |
| Coldstream Capital Management Inc | 4,763 | $320.3K | 0.00% | −1,891−28.4% | Reduced |
| Ostrum Asset Management | 4,701 | $316.1K | 0.02% | −1,558−24.9% | Reduced |
| Pitcairn Wealth Advisors LLC | 4,610 | $310.0K | 0.03% | +4,610 | New |
| Adviser Investments LLC | 4,590 | $308.6K | 0.00% | −647−12.4% | Reduced |
| Parkside Financial Bank & Trust | 4,560 | $306.6K | 0.02% | +94+2.1% | Added |
| Chatham Capital Group, Inc. | 4,456 | $299.6K | 0.04% | −100−2.2% | Reduced |
| Brown Miller Wealth Management, LLC | 4,444 | $298.8K | 0.08% | 00.0% | Unchanged |
| One Wealth Capital Management, LLC | 4,438 | $298.4K | 0.13% | −152−3.3% | Reduced |
| Diversify Wealth Management, LLC | 4,787 | $295.9K | 0.01% | −290−5.7% | Reduced |
| Journey Retirement Planning & Investment Management LLC | 4,314 | $290.1K | 0.06% | +4,314 | New |
| Moran Wealth Management, LLC | 4,298 | $289.0K | 0.01% | −2,059−32.4% | Reduced |
| Apriem Advisors | 4,208 | $282.9K | 0.03% | −19−0.4% | Reduced |
| NBC Securities, Inc. | 4,207 | $282.9K | 0.02% | −67−1.6% | Reduced |
| Mount Yale Investment Advisors, LLC | 4,181 | $281.1K | 0.01% | −584−12.3% | Reduced |
| Golden State Wealth Management, LLC | 4,173 | $280.6K | 0.03% | +547+15.1% | Added |
| CCG Wealth Management, LLC | 4,171 | $280.5K | 0.12% | −12−0.3% | Reduced |
| Picton Mahoney Asset Management | 4,140 | $278.4K | 0.00% | +4,140 | New |
| Cigna Investments Inc | 4,135 | $278.0K | 0.04% | 00.0% | Unchanged |
| Checchi Capital Advisers, LLC | 4,118 | $276.9K | 0.02% | −217−5.0% | Reduced |
| Flputnam Investment Management Co | 4,069 | $273.6K | 0.00% | −590−12.7% | Reduced |
| Aprio Wealth Management, LLC | 4,068 | $273.5K | 0.02% | −2,084−33.9% | Reduced |
| Global Retirement Partners, LLC | 4,027 | $270.8K | 0.00% | +1,800+80.8% | Added |
| Vontobel Holding Ltd. | 3,999 | $268.9K | 0.00% | 00.0% | Unchanged |
| PCM Encore, LLC | 3,990 | $268.3K | 0.06% | +3,990 | New |
| Citizens Financial Group Inc | 3,967 | $266.7K | 0.00% | −457−10.3% | Reduced |
| Bell Bank | 3,962 | $266.4K | 0.01% | −8,821−69.0% | Reduced |
| Atom Investors LP | 3,959 | $266.2K | 0.02% | +3,959 | New |
| Krilogy Financial LLC | 4,007 | $263.7K | 0.01% | −20,110−83.4% | Reduced |
| Savant Capital, LLC | 3,861 | $259.6K | 0.00% | +199+5.4% | Added |
| Net Worth Advisory Group | 3,832 | $257.7K | 0.05% | −106−2.7% | Reduced |
| Wealth Alliance | 3,813 | $256.4K | 0.03% | −1,048−21.6% | Reduced |