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, Q1 2025
Institutional positions in Costar Group, Inc. as of Mar 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
- 858
- +66 vs. Q4 2024
- Shares held
- 428.6M
- +26.5M (+6.6%) vs. Q4 2024
- Total value
- $33.9B
- +$5.15B (+17.9%) vs. Q4 2024
- New holders
- 141
- 378 more added
- Sold out
- 75
- 263 more reduced
13 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Malaga Cove Capital, LLC | 26,221 | $2.08M | 0.90% | +103+0.4% | Added |
| Moody National Bank Trust Division | 26,972 | $2.14M | 0.22% | +2,259+9.1% | Added |
| Mirabella Financial Services LLP | 27,192 | $2.16M | 0.09% | +16,449+153.1% | Added |
| Sanctuary Advisors, LLC | 27,443 | $2.17M | 0.02% | −1,457−5.0% | Reduced |
| Itau Unibanco Holding S.A. | 27,993 | $2.22M | 0.09% | +27,993 | New |
| Kentucky Retirement Systems | 28,348 | $2.25M | 0.07% | +186+0.7% | Added |
| Captrust Financial Advisors | 28,604 | $2.27M | 0.01% | −1,629−5.4% | Reduced |
| Swiss Life Asset Management Ltd | 29,027 | $2.30M | 0.02% | +9,821+51.1% | Added |
| Federation des caisses Desjardins du Quebec | 29,619 | $2.35M | 0.01% | +3,860+15.0% | Added |
| Banque Pictet & Cie SA | 29,999 | $2.38M | 0.03% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 30,311 | $2.40M | 0.03% | −12,766−29.6% | Reduced |
| Boomfish Wealth Group, LLC | 30,542 | $2.42M | 1.57% | +350+1.2% | Added |
| Commonwealth Equity Services, LLC | 30,971 | $2.45M | 0.00% | +5,714+22.6% | Added |
| Scotia Capital Inc. | 31,243 | $2.48M | 0.01% | +516+1.7% | Added |
| Exchange Traded Concepts, LLC | 31,482 | $2.49M | 0.04% | +664+2.2% | Added |
| AE Wealth Management LLC | 31,570 | $2.50M | 0.02% | −6,038−16.1% | Reduced |
| Barbara Oil Co. | 32,000 | $2.54M | 1.03% | 00.0% | Unchanged |
| Tredje AP-fonden | 32,061 | $2.54M | 0.02% | 00.0% | Unchanged |
| Profund Advisors LLC | 32,141 | $2.55M | 0.11% | −4,912−13.3% | Reduced |
| Intech Investment Management LLC | 32,891 | $2.61M | 0.03% | +11,259+52.0% | Added |
| Nordea Investment Management AB | 33,017 | $2.61M | 0.00% | +115+0.3% | Added |
| Stephens Inc | 32,973 | $2.61M | 0.04% | +807+2.5% | Added |
| Norinchukin Bank, The | 33,063 | $2.62M | 0.05% | +10,376+45.7% | Added |
| Papp L Roy & Associates | 33,248 | $2.63M | 0.32% | −1,492−4.3% | Reduced |
| D.A. Davidson & Co. | 33,289 | $2.64M | 0.02% | +4,322+14.9% | Added |
| Mizuho Securities USA LLC | 33,744 | $2.67M | 0.06% | −5,111−13.2% | Reduced |
| Allianz Asset Management GmbH | 33,849 | $2.68M | 0.00% | −4,403−11.5% | Reduced |
| Formula Growth Ltd | 34,000 | $2.69M | 1.09% | 00.0% | Unchanged |
| AXA S.A. | 34,073 | $2.70M | 0.01% | +2,179+6.8% | Added |
| SlateStone Wealth, LLC | 35,041 | $2.78M | 0.28% | +5,624+19.1% | Added |
| Woodline Partners LP | 35,604 | $2.82M | 0.02% | +10,984+44.6% | Added |
| Omers Administration Corp | 35,993 | $2.85M | 0.02% | +5,206+16.9% | Added |
| Oregon Public Employees Retirement Fund | 36,155 | $2.86M | 0.06% | +1,020+2.9% | Added |
| O'Shaughnessy Asset Management, LLC | 36,393 | $2.88M | 0.02% | +18,217+100.2% | Added |
| Ofi Invest Asset Management | 40,000 | $2.93M | 0.08% | 00.0% | Unchanged |
| Boston Private Wealth LLC | 37,598 | $2.98M | 0.12% | −24,566−39.5% | Reduced |
| Oppenheimer & Co Inc | 37,906 | $3.00M | 0.05% | +842+2.3% | Added |
| Employees Retirement System of Texas | 37,971 | $3.01M | 0.03% | +37,971 | New |
| Cambridge Investment Research Advisors, Inc. | 38,131 | $3.02M | 0.01% | +2,241+6.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 39,548 | $3.13M | 0.00% | +15,722+66.0% | Added |
| UniSuper Management Pty Ltd | 39,582 | $3.14M | 0.02% | +356+0.9% | Added |
| Brinker Capital Investments, LLC | 40,057 | $3.17M | 0.03% | +6,206+18.3% | Added |
| Orion Portfolio Solutions, LLC | 40,057 | $3.17M | 0.03% | +6,206+18.3% | Added |
| Davidson Kahn Capital Management, LLC | 40,090 | $3.18M | 2.46% | +6,578+19.6% | Added |
| LGT Fund Management Co Ltd. | 40,956 | $3.24M | 0.29% | +16,490+67.4% | Added |
| Elo Mutual Pension Insurance Co | 41,330 | $3.27M | 0.07% | +1,586+4.0% | Added |
| Public Employees Retirement Association of Colorado | 41,399 | $3.28M | 0.01% | 00.0% | Unchanged |
| Knollwood Investment Advisory, LLC | 41,863 | $3.32M | 0.37% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 41,891 | $3.32M | 0.01% | −13,446−24.3% | Reduced |
| CWM Advisors, LLC | 42,375 | $3.36M | 0.40% | −9,920−19.0% | Reduced |
| JustInvest LLC | 42,641 | $3.38M | 0.05% | +10,807+33.9% | Added |
| Citadel Advisors LLC | 43,490 | $3.45M | 0.00% | −164,734−79.1% | Reduced |
| Bank of Nova Scotia | 43,888 | $3.48M | 0.01% | −6,228−12.4% | Reduced |
| Linden Thomas Advisory Services, LLC | 43,943 | $3.48M | 0.45% | +945+2.2% | Added |
| Pitcairn Co | 45,142 | $3.58M | 0.22% | +178+0.4% | Added |
| iA Global Asset Management Inc. | 45,145 | $3.58M | 0.06% | +958+2.2% | Added |
| Pathstone Holdings, LLC | 45,514 | $3.61M | 0.02% | +2,338+5.4% | Added |
| S-Bank Fund Management Ltd | 45,815 | $3.63M | 0.68% | +45,815 | New |
| Sequoia Financial Advisors, LLC | 46,073 | $3.65M | 0.03% | +36,310+371.9% | Added |
| North Star Asset Management Inc | 46,295 | $3.67M | 0.17% | +1,833+4.1% | Added |
| S.E.E.D. Planning Group LLC | 47,741 | $3.78M | 1.27% | −604−1.2% | Reduced |
| Shelton Capital Management | 48,763 | $3.86M | 0.09% | −2,650−5.2% | Reduced |
| State of Alaska, Department of Revenue | 49,361 | $3.91M | 0.04% | +2,620+5.6% | Added |
| Mariner, LLC | 49,391 | $3.91M | 0.01% | +6,814+16.0% | Added |
| New Age Alpha Advisors, LLC | 49,612 | $3.93M | 0.18% | −15,683−24.0% | Reduced |
| Yousif Capital Management, LLC | 49,722 | $3.94M | 0.05% | +618+1.3% | Added |
| Wealthfront Advisers LLC | 49,842 | $3.95M | 0.01% | +14,638+41.6% | Added |
| Atria Investments LLC | 50,907 | $4.03M | 0.05% | −2,649−4.9% | Reduced |
| HighTower Advisors, LLC | 52,506 | $4.16M | 0.01% | −2,123−3.9% | Reduced |
| Louisiana State Employees Retirement System | 52,700 | $4.18M | 0.08% | +700+1.3% | Added |
| Janus Henderson Group PLC | 52,961 | $4.20M | 0.00% | −5,467−9.4% | Reduced |
| Creative Planning | 53,231 | $4.22M | 0.00% | +20,252+61.4% | Added |
| Rakuten Investment Management, Inc. | 53,501 | $4.24M | 0.02% | +53,501 | New |
| Schroder Investment Management Group | 53,790 | $4.26M | 0.00% | −3,643−6.3% | Reduced |
| First Foundation Advisors | 54,092 | $4.29M | 0.17% | −36,924−40.6% | Reduced |
| Mutual of America Capital Management LLC | 54,447 | $4.31M | 0.05% | −3,328−5.8% | Reduced |
| New York Life Investment Management LLC | 56,201 | $4.45M | 0.05% | +1,419+2.6% | Added |
| Primecap Management Co | 56,500 | $4.48M | 0.00% | +56,500 | New |
| Cerity Partners LLC | 57,266 | $4.54M | 0.01% | +15,664+37.7% | Added |
| Xponance, Inc. | 58,187 | $4.61M | 0.04% | +2,032+3.6% | Added |
| Lakehouse Capital Pty Ltd | 58,408 | $4.63M | 3.08% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 59,416 | $4.71M | 0.03% | +36,409+158.3% | Added |
| Nisa Investment Advisors, LLC | 60,216 | $4.77M | 0.02% | +4,137+7.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 60,437 | $4.79M | 0.05% | +1,480+2.5% | Added |
| Janney Montgomery Scott LLC | 61,031 | $4.83M | 0.01% | +61,031 | New |
| Teacher Retirement System of Texas | 61,596 | $4.88M | 0.02% | +57,760+1,505.7% | Added |
| Motley Fool Asset Management LLC | 61,983 | $4.91M | 0.28% | −21,259−25.5% | Reduced |
| Baer Investment Advisory LLC | 52,776 | $4.94M | 7.41% | +306+0.6% | Added |
| Abn Amro Investment Solutions | 63,122 | $5.00M | 0.10% | +23,589+59.7% | Added |
| Hahn Capital Management LLC | 63,214 | $5.01M | 2.42% | −5,891−8.5% | Reduced |
| Regions Financial Corp | 63,822 | $5.06M | 0.04% | −3,627−5.4% | Reduced |
| Platinum Investment Management Ltd | 65,000 | $5.15M | 0.30% | −5,000−7.1% | Reduced |
| OP Asset Management Ltd | 65,061 | $5.15M | 0.09% | +65,061 | New |
| Blue Zone Wealth Advisors, LLC | 66,356 | $5.26M | 1.46% | +6,683+11.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 66,370 | $5.26M | 0.06% | −15,400−18.8% | Reduced |
| Davenport & Co LLC | 66,682 | $5.28M | 0.03% | −5,721−7.9% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 66,766 | $5.29M | 0.72% | 00.0% | Unchanged |
| Van Eck Associates Corp | 68,158 | $5.40M | 0.01% | −1,630−2.3% | Reduced |
| American Century Companies Inc | 68,223 | $5.41M | 0.00% | +6,873+11.2% | Added |
| Utah Retirement Systems | 68,718 | $5.44M | 0.06% | +1,538+2.3% | Added |