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, Q2 2026
Institutional positions in Costar Group, Inc. as of Jun 30, 2026. 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
- 760
- −28 vs. Q1 2026
- Shares held
- 414.0M
- +5.90M (+1.4%) vs. Q1 2026
- Total value
- $11.7B
- −$4.74B (−28.8%) vs. Q1 2026
- New holders
- 115
- 303 more added
- Sold out
- 143
- 266 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Buckingham Strategic Partners | 19,321 | $547.2K | 0.00% | +10,975+131.5% | Added |
| Quotient Wealth Partners, LLC | 18,821 | $533.0K | 0.01% | +697+3.8% | Added |
| DoubleLine ETF Adviser LP | 18,744 | $530.8K | 0.22% | −3,341−15.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 18,670 | $528.7K | 0.00% | +18,670 | New |
| NewEdge Wealth, LLC | 18,538 | $525.0K | 0.01% | +2,737+17.3% | Added |
| SummitTX Capital, L.P. | 18,229 | $516.2K | 0.01% | +18,229 | New |
| Paragon Capital Management Inc | 18,183 | $514.9K | 0.38% | −177−1.0% | Reduced |
| Bessemer Group Inc | 17,763 | $503.0K | 0.00% | +88+0.5% | Added |
| Intellectus Partners, LLC | 17,757 | $502.9K | 0.09% | −4,039−18.5% | Reduced |
| Snowden Capital Advisors LLC | 17,586 | $498.0K | 0.01% | +10,644+153.3% | Added |
| Wedmont Private Capital | 17,302 | $491.2K | 0.01% | +17,302 | New |
| Commonwealth Equity Services, LLC | 17,319 | $490.5K | 0.00% | +3,445+24.8% | Added |
| Savvy Advisors, Inc. | 17,251 | $488.5K | 0.01% | +10,847+169.4% | Added |
| Empowered Funds, LLC | 17,174 | $486.4K | 0.00% | −23,813−58.1% | Reduced |
| Keybank National Association | 17,121 | $484.9K | 0.00% | −6,059−26.1% | Reduced |
| Fielder Capital Group LLC | 16,784 | $475.3K | 0.10% | +16,784 | New |
| RMR Wealth Builders | 16,749 | $474.3K | 0.03% | +173+1.0% | Added |
| Waterway Wealth Management, LLC | 16,214 | $459.2K | 0.09% | −11,456−41.4% | Reduced |
| DRW Securities, LLC | 16,178 | $458.2K | 0.03% | −11,595−41.7% | Reduced |
| Evolve Private Wealth, LLC | 16,163 | $457.7K | 0.03% | +10,198+171.0% | Added |
| Two Sigma Securities, LLC | 16,096 | $455.8K | 0.04% | +6,472+67.2% | Added |
| Redmond Asset Management, LLC | 16,008 | $453.3K | 0.11% | +93+0.6% | Added |
| MUFG Securities EMEA plc | 15,983 | $452.6K | 0.00% | −1,405−8.1% | Reduced |
| Metis Global Partners, LLC | 15,844 | $448.7K | 0.01% | +3,844+32.0% | Added |
| Third View Private Wealth, LLC | 15,258 | $432.1K | 0.05% | −7,459−32.8% | Reduced |
| Boothbay Fund Management, LLC | 15,231 | $431.3K | 0.01% | −4,242−21.8% | Reduced |
| Aaron Wealth Advisors | 15,157 | $429.2K | 0.02% | +7,027+86.4% | Added |
| Fieldview Capital Management, LLC | 15,098 | $427.6K | 0.12% | +15,098 | New |
| AlphaGrep UK Ltd | 14,994 | $424.6K | 0.13% | +9,783+187.7% | Added |
| Horizon Investments, LLC | 14,645 | $414.7K | 0.00% | +271+1.9% | Added |
| Vestmark Advisory Solutions, Inc. | 14,431 | $408.7K | 0.00% | +491+3.5% | Added |
| Mirova | 14,420 | $408.4K | 0.02% | −64,130−81.6% | Reduced |
| Natixis | 14,356 | $406.6K | 0.00% | +6,719+88.0% | Added |
| NBC Securities, Inc. | 14,303 | $405.1K | 0.03% | −166−1.1% | Reduced |
| Lincoln Capital LLC | 14,265 | $404.0K | 0.07% | −1,428−9.1% | Reduced |
| Integrated Wealth Concepts LLC | 14,178 | $401.5K | 0.00% | +5,895+71.2% | Added |
| Capstone Investment Advisors, LLC | 14,117 | $399.8K | 0.00% | +4,489+46.6% | Added |
| Azzad Asset Management Inc | 14,112 | $399.6K | 0.04% | +2,599+22.6% | Added |
| E. Ohman J:or Asset Management AB | 13,820 | $391.4K | 0.01% | 00.0% | Unchanged |
| Coldstream Capital Management Inc | 13,650 | $386.6K | 0.00% | +7,109+108.7% | Added |
| Allworth Financial LP | 13,582 | $384.6K | 0.00% | +10,026+281.9% | Added |
| Banque Pictet & Cie SA | 13,550 | $383.7K | 0.00% | 00.0% | Unchanged |
| First Foundation Advisors | 13,494 | $382.2K | 0.01% | −4,802−26.2% | Reduced |
| Parcion Private Wealth LLC | 13,460 | $381.2K | 0.02% | +13,460 | New |
| Centaurus Financial, Inc. | 13,390 | $379.0K | 0.01% | −17,144−56.1% | Reduced |
| Regatta Capital Group, LLC | 13,282 | $376.1K | 0.05% | +459+3.6% | Added |
| Northwestern Mutual Investment Management Company, LLC | 13,093 | $370.8K | 0.00% | −468−3.5% | Reduced |
| Benjamin Edwards Inc | 13,064 | $369.9K | 0.00% | −2,831−17.8% | Reduced |
| Citizens Financial Group Inc | 12,982 | $367.6K | 0.00% | +12,982 | New |
| Northwestern Mutual Wealth Management Co | 12,753 | $361.2K | 0.00% | −3,468−21.4% | Reduced |
| NorthCrest Asset Manangement, LLC | 12,361 | $360.8K | 0.01% | +12,361 | New |
| Meeder Asset Management Inc | 12,720 | $360.2K | 0.02% | +7,328+135.9% | Added |
| Westerkirk Capital Inc. | 12,600 | $356.8K | 0.03% | 00.0% | Unchanged |
| Twinbeech Capital LP | 12,589 | $356.5K | 0.06% | −115,427−90.2% | Reduced |
| Worth Venture Partners, LLC | 12,500 | $354.0K | 0.80% | +12,500 | New |
| North Dakota State Investment Board | 12,419 | $351.7K | 0.01% | +349+2.9% | Added |
| MUFG Securities Americas Inc. | 12,300 | $348.3K | 0.02% | +573+4.9% | Added |
| Jackson Thornton Asset Management, LLC | 12,298 | $348.3K | 0.03% | +12,298 | New |
| Peapack Gladstone Financial Corp | 12,293 | $348.0K | 0.00% | +2,226+22.1% | Added |
| Brevan Howard Capital Management LP | 12,202 | $345.6K | 0.00% | +2,716+28.6% | Added |
| Salvus Wealth Management, LLC | 12,148 | $344.0K | 0.19% | −1,709−12.3% | Reduced |
| Norden Group LLC | 12,125 | $343.4K | 0.03% | −27,293−69.2% | Reduced |
| Atomi Financial Group, Inc. | 12,108 | $342.9K | 0.01% | +1,434+13.4% | Added |
| Prelude Capital Management, LLC | 12,061 | $341.6K | 0.03% | −5,154−29.9% | Reduced |
| Aster Capital Management (DIFC) Ltd | 11,992 | $339.6K | 0.07% | +11,992 | New |
| Guggenheim Capital LLC | 11,963 | $338.8K | 0.00% | −76,421−86.5% | Reduced |
| Simplicity Wealth,LLC | 11,922 | $337.6K | 0.01% | +11,922 | New |
| GWM Advisors LLC | 11,879 | $336.4K | 0.00% | +11,377+2,266.3% | Added |
| Baird Financial Group, Inc. | 11,769 | $333.3K | 0.00% | +1,033+9.6% | Added |
| Callan Family Office, LLC | 11,764 | $333.1K | 0.01% | −4,573−28.0% | Reduced |
| Unique Wealth Strategies, LLC | 11,759 | $333.0K | 0.12% | −5,011−29.9% | Reduced |
| Aigen Investment Management, LP | 11,644 | $329.8K | 0.09% | −805−6.5% | Reduced |
| Warren Averett Asset Management, LLC | 11,445 | $324.1K | 0.00% | +11,445 | New |
| Postrock Partners LLC | 11,440 | $324.0K | 0.13% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 11,433 | $323.8K | 0.00% | +3,995+53.7% | Added |
| Securian Asset Management, Inc | 10,851 | $323.1K | 0.01% | −573−5.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 11,371 | $322.0K | 0.00% | −9,167−44.6% | Reduced |
| Caerus Investment Advisors, LLC | 11,307 | $320.2K | 0.11% | +11,307 | New |
| Premier Path Wealth Partners, LLC | 11,265 | $319.0K | 0.04% | −2,363−17.3% | Reduced |
| Sterling Capital Management LLC | 11,145 | $315.6K | 0.01% | −4,863−30.4% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 10,940 | $309.8K | 0.02% | −49−0.4% | Reduced |
| Gilbert & Cook, Inc. | 10,873 | $307.9K | 0.04% | +195+1.8% | Added |
| Meeder Advisory Services, Inc. | 10,849 | $307.2K | 0.01% | +10,849 | New |
| Motley Fool Asset Management LLC | 10,847 | $307.2K | 0.01% | +3,759+53.0% | Added |
| Wahed Invest LLC | 10,798 | $305.8K | 0.03% | +152+1.4% | Added |
| Intech Investment Management LLC | 10,797 | $305.8K | 0.00% | 00.0% | Unchanged |
| Hillman Capital Management, Inc. | 10,745 | $304.3K | 0.22% | +2,188+25.6% | Added |
| Perennial Investment Advisors, LLC | 10,632 | $301.1K | 0.02% | +476+4.7% | Added |
| Quarry LP | 10,631 | $301.1K | 0.05% | +7,428+231.9% | Added |
| FIL Ltd | 10,580 | $299.6K | 0.00% | −329,052−96.9% | Reduced |
| Dorsey & Whitney Trust CO LLC | 10,539 | $298.5K | 0.01% | +10,539 | New |
| RMB Capital Management, LLC | 10,498 | $297.3K | 0.00% | +10,498 | New |
| Pensionmark Financial Group, LLC | 7,388 | $295.0K | 0.00% | +67+0.9% | Added |
| Huntington National Bank | 10,405 | $294.7K | 0.00% | +3,091+42.3% | Added |
| Storebrand Asset Management AS | 10,081 | $285.5K | 0.00% | −25,997−72.1% | Reduced |
| AlphaCore Capital LLC | 10,037 | $284.2K | 0.01% | +10,037 | New |
| Quinn Opportunity Partners LLC | 10,000 | $283.2K | 0.01% | +10,000 | New |
| Miracle Mile Advisors, LLC | 9,829 | $278.4K | 0.00% | −1,654−14.4% | Reduced |
| Sentinus, LLC | 9,778 | $276.9K | 0.02% | +1,337+15.8% | Added |
| Inscription Capital, LLC | 9,745 | $276.0K | 0.02% | +9,745 | New |