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 |
|---|---|---|---|---|---|
| S-Bank Fund Management Ltd | 45,815 | $3.63M | 0.68% | +45,815 | New |
| Pathstone Holdings, LLC | 45,514 | $3.61M | 0.02% | +2,338+5.4% | Added |
| iA Global Asset Management Inc. | 45,145 | $3.58M | 0.06% | +958+2.2% | Added |
| Pitcairn Co | 45,142 | $3.58M | 0.22% | +178+0.4% | Added |
| Linden Thomas Advisory Services, LLC | 43,943 | $3.48M | 0.45% | +945+2.2% | Added |
| Bank of Nova Scotia | 43,888 | $3.48M | 0.01% | −6,228−12.4% | Reduced |
| Citadel Advisors LLC | 43,490 | $3.45M | 0.00% | −164,734−79.1% | Reduced |
| JustInvest LLC | 42,641 | $3.38M | 0.05% | +10,807+33.9% | Added |
| CWM Advisors, LLC | 42,375 | $3.36M | 0.40% | −9,920−19.0% | Reduced |
| Pacer Advisors, Inc. | 41,891 | $3.32M | 0.01% | −13,446−24.3% | Reduced |
| Knollwood Investment Advisory, LLC | 41,863 | $3.32M | 0.37% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 41,399 | $3.28M | 0.01% | 00.0% | Unchanged |
| Elo Mutual Pension Insurance Co | 41,330 | $3.27M | 0.07% | +1,586+4.0% | Added |
| LGT Fund Management Co Ltd. | 40,956 | $3.24M | 0.29% | +16,490+67.4% | Added |
| Davidson Kahn Capital Management, LLC | 40,090 | $3.18M | 2.46% | +6,578+19.6% | 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 |
| UniSuper Management Pty Ltd | 39,582 | $3.14M | 0.02% | +356+0.9% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 39,548 | $3.13M | 0.00% | +15,722+66.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 38,131 | $3.02M | 0.01% | +2,241+6.2% | Added |
| Employees Retirement System of Texas | 37,971 | $3.01M | 0.03% | +37,971 | New |
| Oppenheimer & Co Inc | 37,906 | $3.00M | 0.05% | +842+2.3% | Added |
| Boston Private Wealth LLC | 37,598 | $2.98M | 0.12% | −24,566−39.5% | Reduced |
| Ofi Invest Asset Management | 40,000 | $2.93M | 0.08% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 36,393 | $2.88M | 0.02% | +18,217+100.2% | Added |
| Oregon Public Employees Retirement Fund | 36,155 | $2.86M | 0.06% | +1,020+2.9% | Added |
| Omers Administration Corp | 35,993 | $2.85M | 0.02% | +5,206+16.9% | Added |
| Woodline Partners LP | 35,604 | $2.82M | 0.02% | +10,984+44.6% | Added |
| SlateStone Wealth, LLC | 35,041 | $2.78M | 0.28% | +5,624+19.1% | Added |
| AXA S.A. | 34,073 | $2.70M | 0.01% | +2,179+6.8% | Added |
| Formula Growth Ltd | 34,000 | $2.69M | 1.09% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 33,849 | $2.68M | 0.00% | −4,403−11.5% | Reduced |
| Mizuho Securities USA LLC | 33,744 | $2.67M | 0.06% | −5,111−13.2% | Reduced |
| D.A. Davidson & Co. | 33,289 | $2.64M | 0.02% | +4,322+14.9% | Added |
| Papp L Roy & Associates | 33,248 | $2.63M | 0.32% | −1,492−4.3% | Reduced |
| Norinchukin Bank, The | 33,063 | $2.62M | 0.05% | +10,376+45.7% | Added |
| Stephens Inc | 32,973 | $2.61M | 0.04% | +807+2.5% | Added |
| Nordea Investment Management AB | 33,017 | $2.61M | 0.00% | +115+0.3% | Added |
| Intech Investment Management LLC | 32,891 | $2.61M | 0.03% | +11,259+52.0% | Added |
| Profund Advisors LLC | 32,141 | $2.55M | 0.11% | −4,912−13.3% | Reduced |
| Tredje AP-fonden | 32,061 | $2.54M | 0.02% | 00.0% | Unchanged |
| Barbara Oil Co. | 32,000 | $2.54M | 1.03% | 00.0% | Unchanged |
| AE Wealth Management LLC | 31,570 | $2.50M | 0.02% | −6,038−16.1% | Reduced |
| Exchange Traded Concepts, LLC | 31,482 | $2.49M | 0.04% | +664+2.2% | Added |
| Scotia Capital Inc. | 31,243 | $2.48M | 0.01% | +516+1.7% | Added |
| Commonwealth Equity Services, LLC | 30,971 | $2.45M | 0.00% | +5,714+22.6% | Added |
| Boomfish Wealth Group, LLC | 30,542 | $2.42M | 1.57% | +350+1.2% | Added |
| Gateway Investment Advisers LLC | 30,311 | $2.40M | 0.03% | −12,766−29.6% | Reduced |
| Banque Pictet & Cie SA | 29,999 | $2.38M | 0.03% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 29,619 | $2.35M | 0.01% | +3,860+15.0% | Added |
| Swiss Life Asset Management Ltd | 29,027 | $2.30M | 0.02% | +9,821+51.1% | Added |
| Captrust Financial Advisors | 28,604 | $2.27M | 0.01% | −1,629−5.4% | Reduced |
| Kentucky Retirement Systems | 28,348 | $2.25M | 0.07% | +186+0.7% | Added |
| Itau Unibanco Holding S.A. | 27,993 | $2.22M | 0.09% | +27,993 | New |
| Sanctuary Advisors, LLC | 27,443 | $2.17M | 0.02% | −1,457−5.0% | Reduced |
| Mirabella Financial Services LLP | 27,192 | $2.16M | 0.09% | +16,449+153.1% | Added |
| Moody National Bank Trust Division | 26,972 | $2.14M | 0.22% | +2,259+9.1% | Added |
| Malaga Cove Capital, LLC | 26,221 | $2.08M | 0.90% | +103+0.4% | Added |
| Harvest Fund Management Co., Ltd | 25,907 | $2.05M | 0.10% | +1,780+7.4% | Added |
| Hartford Investment Management Co | 25,748 | $2.04M | 0.07% | +518+2.1% | Added |
| Allianz SE | 25,512 | $2.02M | 0.05% | 00.0% | Unchanged |
| Verdence Capital Advisors LLC | 25,477 | $2.02M | 0.15% | +2,989+13.3% | Added |
| Natixis | 25,310 | $2.00M | 0.01% | +541+2.2% | Added |
| Simplex Trading, LLC | 25,214 | $2.00M | 0.07% | +25,214 | New |
| WoodTrust Financial Corp | 25,190 | $2.00M | 0.28% | +14,365+132.7% | Added |
| QRG Capital Management, Inc. | 25,118 | $1.99M | 0.02% | +2,914+13.1% | Added |
| Principal Securities, Inc. | 27,617 | $1.98M | 0.04% | 00.0% | Unchanged |
| First Bank & Trust | 24,737 | $1.96M | 0.38% | +3,893+18.7% | Added |
| Holocene Advisors, LP | 24,571 | $1.95M | 0.01% | −89,739−78.5% | Reduced |
| DoubleLine ETF Adviser LP | 24,529 | $1.94M | 0.65% | −4,869−16.6% | Reduced |
| Kampmann Melissa S. | 23,950 | $1.90M | 1.50% | +5,775+31.8% | Added |
| Benjamin Edwards Inc | 23,869 | $1.89M | 0.03% | +2,732+12.9% | Added |
| Sumitomo Life Insurance Co | 23,862 | $1.89M | 0.07% | −156−0.6% | Reduced |
| Gulf International Bank (UK) Ltd | 23,793 | $1.89M | 0.07% | −8,171−25.6% | Reduced |
| Portside Wealth Group, LLC | 23,775 | $1.88M | 0.31% | −381−1.6% | Reduced |
| Liontrust Investment Partners LLP | 23,172 | $1.84M | 0.03% | +1,313+6.0% | Added |
| Harbor Advisors LLC | 22,560 | $1.79M | 0.31% | 00.0% | Unchanged |
| Icon Wealth Advisors, LLC | 22,419 | $1.78M | 0.15% | −1,940−8.0% | Reduced |
| B.O.S.S. Retirement Advisors, LLC | 22,366 | $1.77M | 0.51% | −1,611−6.7% | Reduced |
| Aurora Investment Managers, LLC. | 22,357 | $1.77M | 1.19% | +164+0.7% | Added |
| Securian Asset Management, Inc | 22,246 | $1.76M | 0.05% | +214+1.0% | Added |
| M&T Bank Corp | 22,171 | $1.76M | 0.01% | −1,809−7.5% | Reduced |
| Lincoln Capital LLC | 21,275 | $1.72M | 0.36% | +21,275 | New |
| Centaurus Financial, Inc. | 21,656 | $1.72M | 0.10% | +58+0.3% | Added |
| Procyon Private Wealth Partners, LLC | 21,649 | $1.72M | 0.10% | +5,125+31.0% | Added |
| Quotient Wealth Partners, LLC | 21,591 | $1.71M | 0.05% | +21,591 | New |
| Crossmark Global Holdings, Inc. | 21,484 | $1.70M | 0.03% | −383−1.8% | Reduced |
| Capital International Inc | 20,939 | $1.66M | 0.02% | +20,939 | New |
| Avantax Advisory Services, Inc. | 20,739 | $1.64M | 0.01% | +4,022+24.1% | Added |
| Tower Research Capital LLC (TRC) | 20,078 | $1.59M | 0.05% | −8,047−28.6% | Reduced |
| Ieq Capital, LLC | 20,046 | $1.59M | 0.01% | +11,785+142.7% | Added |
| E Fund Management Co., Ltd. | 19,884 | $1.58M | 0.08% | +7,585+61.7% | Added |
| Krilogy Financial LLC | 19,735 | $1.56M | 0.10% | −3,927−16.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 19,688 | $1.56M | 0.01% | −133,741−87.2% | Reduced |
| Maryland State Retirement & Pension System | 19,440 | $1.54M | 0.04% | −2,231−10.3% | Reduced |
| Mercer Global Advisors Inc | 19,404 | $1.54M | 0.00% | +1,956+11.2% | Added |
| Vident Advisory, LLC | 19,332 | $1.53M | 0.02% | +3,165+19.6% | Added |
| New Mexico Educational Retirement Board | 19,200 | $1.52M | 0.05% | −300−1.5% | Reduced |
| Markel Group Inc.SuperinvestorMarkel Group | 18,600 | $1.47M | 0.01% | 00.0% | Unchanged |
| Dai-Ichi Life Insurance Company, Ltd | 18,425 | $1.46M | 0.04% | 00.0% | Unchanged |