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 |
|---|---|---|---|---|---|
| Penserra Capital Management LLC | 5,750 | $385.0K | 0.00% | +535+10.3% | Added |
| Rockefeller Capital Management L.P. | 5,829 | $391.9K | 0.00% | −1,103−15.9% | Reduced |
| Pembroke Management, LTD | 5,874 | $395.0K | 0.04% | +669+12.9% | Added |
| Grove Bank & Trust | 5,882 | $395.5K | 0.04% | −8,386−58.8% | Reduced |
| GTS Securities LLC | 5,884 | $395.6K | 0.01% | −6,711−53.3% | Reduced |
| Wedbush Securities Inc | 5,905 | $397.0K | 0.01% | +582+10.9% | Added |
| Birch Financial Group, LLC | 5,988 | $402.7K | 0.23% | +105+1.8% | Added |
| Siemens Fonds Invest GmbH | 5,942 | $403.2K | 0.02% | 00.0% | Unchanged |
| Oarsman Capital, Inc. | 6,002 | $403.6K | 0.05% | −785−11.6% | Reduced |
| United Capital Financial Advisers, LLC | 6,033 | $405.7K | 0.00% | −1,512−20.0% | Reduced |
| Harbor Investment Advisory, LLC | 6,175 | $415.2K | 0.03% | +75+1.2% | Added |
| Tema ETFs LLC | 6,185 | $415.9K | 0.03% | +143+2.4% | Added |
| Marks Group Wealth Management, Inc | 6,187 | $416.0K | 0.04% | +937+17.8% | Added |
| LRT Capital Management, LLC | 6,247 | $420.0K | 0.36% | +6,247 | New |
| TCW Group Inc | 6,265 | $421.3K | 0.00% | +6,265 | New |
| Patten & Patten Inc | 6,303 | $423.8K | 0.02% | −2,255−26.3% | Reduced |
| Bridgefront Capital, LLC | 6,321 | $425.0K | 0.11% | +2,384+60.6% | Added |
| Balyasny Asset Management LLC | 6,343 | $426.5K | 0.00% | +6,343 | New |
| Alliance Wealth Advisors, LLC | 6,349 | $426.9K | 0.09% | −7,141−52.9% | Reduced |
| Intellectus Partners, LLC | 6,359 | $427.6K | 0.08% | −25−0.4% | Reduced |
| Hilltop Holdings Inc. | 6,507 | $437.5K | 0.03% | −177−2.6% | Reduced |
| Private Advisor Group, LLC | 6,686 | $449.6K | 0.00% | −765−10.3% | Reduced |
| Hengehold Capital Management LLC | 6,760 | $454.5K | 0.04% | 00.0% | Unchanged |
| ICICI Prudential Asset Management Co Ltd | 6,801 | $457.3K | 0.05% | +295+4.5% | Added |
| Buckhead Capital Management LLC | 6,810 | $457.9K | 0.16% | +507+8.0% | Added |
| First Manhattan Co | 6,847 | $460.4K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 6,840 | $464.2K | 0.02% | −2,286−25.0% | Reduced |
| Wheels Up Wealth, Inc. | 6,940 | $466.6K | 0.43% | +6,940 | New |
| Banque Cantonale Vaudoise | 6,967 | $469.0K | 0.02% | −5,704−45.0% | Reduced |
| Merit Financial Group, LLC | 7,001 | $470.8K | 0.00% | −482−6.4% | Reduced |
| Trust Point Inc. | 7,077 | $475.9K | 0.04% | −13−0.2% | Reduced |
| Buttonwood Financial Advisors Inc. | 7,081 | $476.1K | 0.16% | −2,159−23.4% | Reduced |
| Baron Wealth Management LLC | 7,142 | $480.2K | 0.15% | −17−0.2% | Reduced |
| Peapack Gladstone Financial Corp | 7,240 | $486.0K | 0.01% | −617−7.9% | Reduced |
| Capstone Investment Advisors, LLC | 7,367 | $495.4K | 0.00% | −70,342−90.5% | Reduced |
| Americana Partners, LLC | 7,378 | $496.1K | 0.01% | −1,792−19.5% | Reduced |
| Michael B. Yongue | 7,396 | $497.3K | 0.34% | +1,471+24.8% | Added |
| Snowden Capital Advisors LLC | 7,461 | $501.7K | 0.01% | −732−8.9% | Reduced |
| Aaron Wealth Advisors | 7,475 | $502.6K | 0.03% | +4,162+125.6% | Added |
| Baker Tilly Wealth Management, LLC | 7,476 | $502.7K | 0.12% | −254−3.3% | Reduced |
| Raiffeisen Bank International AG | 7,550 | $512.3K | 0.01% | 00.0% | Unchanged |
| Three Seasons Wealth, LLC | 7,786 | $523.5K | 0.05% | +1,154+17.4% | Added |
| Spire Wealth Management | 7,787 | $523.6K | 0.02% | −315−3.9% | Reduced |
| Fifth Third Bancorp | 7,866 | $528.9K | 0.00% | −3,998−33.7% | Reduced |
| Stansberry Asset Management, LLC | 8,002 | $538.1K | 0.05% | −864−9.7% | Reduced |
| B.O.S.S. Retirement Advisors, LLC | 8,074 | $542.9K | 0.17% | −11,640−59.0% | Reduced |
| Neo Ivy Capital Management | 8,157 | $548.5K | 0.09% | +1,043+14.7% | Added |
| Empirical Finance, LLC | 8,225 | $553.0K | 0.03% | −305−3.6% | Reduced |
| Atomi Financial Group, Inc. | 8,314 | $559.0K | 0.02% | −2,569−23.6% | Reduced |
| Moody National Bank Trust Division | 8,334 | $560.4K | 0.05% | −13,413−61.7% | Reduced |
| Ritholtz Wealth Management | 8,369 | $562.7K | 0.01% | −1,262−13.1% | Reduced |
| Plato Investment Management Ltd | 8,565 | $578.7K | 0.04% | +4,096+91.7% | Added |
| Gibbs Wealth Management | 10,195 | $596.3K | 0.14% | −1,582−13.4% | Reduced |
| Fortress Wealth Group, LLC | 9,699 | $596.5K | 0.23% | +1,225+14.5% | Added |
| Warren Averett Asset Management, LLC | 8,948 | $601.7K | 0.00% | +8,948 | New |
| Connable Office Inc | 9,000 | $605.2K | 0.06% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 9,020 | $606.5K | 0.00% | +9,020 | New |
| Laird Norton Trust Company, LLC | 9,109 | $612.5K | 0.01% | +9,109 | New |
| Sapient Capital LLC | 9,029 | $612.7K | 0.01% | +255+2.9% | Added |
| SRS Capital Advisors, Inc. | 9,199 | $618.5K | 0.02% | −6,451−41.2% | Reduced |
| Cresset Asset Management, LLC | 9,287 | $624.5K | 0.00% | +1,818+24.3% | Added |
| Hills Bank & Trust Co | 9,504 | $639.0K | 0.04% | 00.0% | Unchanged |
| Empowered Funds, LLC | 9,541 | $641.5K | 0.01% | −4,251−30.8% | Reduced |
| Vestmark Advisory Solutions, Inc. | 9,589 | $644.8K | 0.01% | −3,655−27.6% | Reduced |
| Inceptionr LLC | 9,598 | $645.4K | 0.18% | +9,598 | New |
| Sowell Financial Services LLC | 9,715 | $653.2K | 0.02% | −808−7.7% | Reduced |
| Quest Partners LLC | 9,729 | $654.2K | 0.04% | +8,660+810.1% | Added |
| Groupama Asset Managment | 9,891 | $665.1K | 0.01% | −1,025−9.4% | Reduced |
| RSM US Wealth Management LLC | 9,818 | $666.2K | 0.01% | −3,794−27.9% | Reduced |
| Accretive Wealth Partners, LLC | 9,958 | $669.6K | 0.20% | −1,793−15.3% | Reduced |
| GAMMA Investing LLC | 10,318 | $693.8K | 0.03% | −608−5.6% | Reduced |
| Norden Group LLC | 10,407 | $699.8K | 0.07% | −6,487−38.4% | Reduced |
| Gilbert & Cook, Inc. | 10,423 | $700.8K | 0.09% | −187−1.8% | Reduced |
| AXA S.A. | 10,812 | $727.0K | 0.34% | +10,812 | New |
| Capital International Inc | 10,849 | $729.5K | 0.01% | +890+8.9% | Added |
| Personal Cfo Solutions, LLC | 10,971 | $737.7K | 0.12% | −839−7.1% | Reduced |
| Wahed Invest LLC | 10,975 | $738.0K | 0.10% | +10,975 | New |
| Kentucky Retirement Systems Insurance Trust Fund | 10,989 | $738.9K | 0.05% | 00.0% | Unchanged |
| Bleakley Financial Group, LLC | 11,242 | $755.9K | 0.01% | −654−5.5% | Reduced |
| Odyssean, LLC | 11,342 | $762.6K | 0.55% | +11,342 | New |
| TradeLink Capital LLC | 11,356 | $764.0K | 6.11% | +11,356 | New |
| Narwhal Capital Management | 11,383 | $765.4K | 0.06% | −21,730−65.6% | Reduced |
| MUFG Securities Americas Inc. | 11,417 | $767.7K | 0.05% | −7−0.1% | Reduced |
| Waterway Wealth Management, LLC | 11,424 | $768.1K | 0.17% | −5,225−31.4% | Reduced |
| Postrock Partners LLC | 11,440 | $769.2K | 0.33% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 11,461 | $770.6K | 0.00% | −1,536−11.8% | Reduced |
| Securian Asset Management, Inc | 11,524 | $774.9K | 0.03% | −8,874−43.5% | Reduced |
| Avanza Fonder AB | 11,583 | $778.8K | 0.02% | +11,583 | New |
| Venturi Wealth Management, LLC | 11,690 | $786.0K | 0.03% | +1,381+13.4% | Added |
| Colony Capital, Inc. | 11,700 | $786.7K | 0.06% | +4,400+60.3% | Added |
| Davenport & Co LLC | 11,701 | $786.7K | 0.00% | −46,687−80.0% | Reduced |
| Volterra Technologies LP | 11,925 | $801.8K | 0.82% | +11,925 | New |
| Walleye Trading LLC | 11,991 | $806.3K | 0.01% | +3,203+36.4% | Added |
| China Universal Asset Management Co., Ltd. | 11,994 | $806.5K | 0.06% | +810+7.2% | Added |
| Turtle Creek Wealth Advisors, LLC | 11,995 | $806.5K | 0.06% | +2,123+21.5% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 11,998 | $806.7K | 0.03% | +11,998 | New |
| Miracle Mile Advisors, LLC | 12,110 | $814.3K | 0.01% | −1,514−11.1% | Reduced |
| Azzad Asset Management Inc | 12,120 | $814.9K | 0.08% | −86,365−87.7% | Reduced |
| Jefferies Financial Group Inc. | 12,226 | $822.1K | 0.01% | −55,034−81.8% | Reduced |
| Conestoga Capital Advisors, LLC | 12,277 | $825.5K | 0.01% | −3,263−21.0% | Reduced |