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 |
|---|---|---|---|---|---|
| Cresset Asset Management, LLC | 11,503 | $911.4K | 0.00% | +2,723+31.0% | Added |
| Personal Cfo Solutions, LLC | 11,629 | $921.4K | 0.19% | +1,976+20.5% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 11,665 | $924.2K | 0.05% | −691−5.6% | Reduced |
| Investment Management Corp of Ontario | 11,894 | $942.4K | 0.02% | −13,238−52.7% | Reduced |
| Commerce Bank | 11,945 | $946.4K | 0.01% | −2,707−18.5% | Reduced |
| Wolverine Trading, LLC | 12,020 | $953.3K | 0.03% | −9,588−44.4% | Reduced |
| Kentucky Retirement Systems Insurance Trust Fund | 12,074 | $956.6K | 0.07% | +12,074 | New |
| E. Ohman J:or Asset Management AB | 12,300 | $974.5K | 0.03% | 00.0% | Unchanged |
| Everence Capital Management Inc | 12,390 | $982.0K | 0.07% | −1,930−13.5% | Reduced |
| Regatta Capital Group, LLC | 12,621 | $1.00M | 0.19% | +301+2.4% | Added |
| Yarbrough Capital, LLC | 12,810 | $1.01M | 0.04% | −25,140−66.2% | Reduced |
| Clear Street Markets LLC | 13,000 | $1.03M | 0.71% | +8,935+219.8% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 13,070 | $1.04M | 0.01% | −5,801−30.7% | Reduced |
| Papamarkou Wellner Asset Management inc. | 13,145 | $1.04M | 0.73% | −30−0.2% | Reduced |
| Botty Investors LLC | 13,174 | $1.04M | 0.34% | +13,174 | New |
| Guidance Capital, Inc | 13,537 | $1.06M | 0.32% | +1,552+12.9% | Added |
| Bell Bank | 13,396 | $1.06M | 0.06% | −4,489−25.1% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 13,404 | $1.06M | 0.02% | +387+3.0% | Added |
| Tokio Marine Asset Management Co Ltd | 13,482 | $1.07M | 0.04% | +1,380+11.4% | Added |
| Chicago Trust Co NA | 13,490 | $1.07M | 0.19% | −1,545−10.3% | Reduced |
| Bokf, NA | 13,766 | $1.09M | 0.02% | −1,640−10.6% | Reduced |
| Chicago Partners Investment Group LLC | 14,505 | $1.09M | 0.04% | +438+3.1% | Added |
| RMR Wealth Builders | 13,919 | $1.10M | 0.12% | −25−0.2% | Reduced |
| Advisor Group Holdings, Inc. | 14,025 | $1.11M | 0.00% | −1,184−7.8% | Reduced |
| Legacy Advisors, LLC | 14,101 | $1.12M | 0.12% | −133−0.9% | Reduced |
| Grove Bank & Trust | 14,139 | $1.12M | 0.15% | +348+2.5% | Added |
| Davis Capital Management | 14,437 | $1.14M | 0.91% | +981+7.3% | Added |
| EagleClaw Capital Managment, LLC | 14,450 | $1.14M | 0.18% | −1,150−7.4% | Reduced |
| Sapient Capital LLC | 14,902 | $1.18M | 0.02% | −216−1.4% | Reduced |
| Phraction Management LLC | 14,972 | $1.19M | 0.40% | +4,785+47.0% | Added |
| Wiley Bros.-Aintree Capital, LLC | 15,074 | $1.20M | 0.01% | +3,454+29.7% | Added |
| Caption Management, LLC | 15,448 | $1.22M | 0.06% | +15,448 | New |
| Conestoga Capital Advisors, LLC | 15,495 | $1.23M | 0.02% | +310+2.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 15,553 | $1.23M | 0.01% | −745−4.6% | Reduced |
| Norden Group LLC | 15,557 | $1.23M | 0.14% | +194+1.3% | Added |
| Toroso Investments, LLC | 15,572 | $1.23M | 0.01% | −62,455−80.0% | Reduced |
| SG Americas Securities, LLC | 15,717 | $1.25M | 0.00% | +10,558+204.7% | Added |
| Squarepoint Ops LLC | 15,825 | $1.25M | 0.00% | +1,710+12.1% | Added |
| Red Spruce Capital, LLC | 15,867 | $1.26M | 0.59% | +15,867 | New |
| Kestra Advisory Services, LLC | 15,871 | $1.26M | 0.01% | +2,541+19.1% | Added |
| Redmond Asset Management, LLC | 15,953 | $1.26M | 0.33% | +338+2.2% | Added |
| Aviva PLC | 16,007 | $1.27M | 0.00% | +373+2.4% | Added |
| Dynasty Wealth Management, LLC | 16,030 | $1.27M | 0.02% | +78+0.5% | Added |
| Alliance Wealth Advisors, LLC | 16,198 | $1.28M | 0.33% | −1,398−7.9% | Reduced |
| Voya Financial Advisors, Inc. | 16,354 | $1.30M | 0.14% | −1,827−10.0% | Reduced |
| Brevan Howard Capital Management LP | 16,444 | $1.30M | 0.04% | +16,444 | New |
| Metis Global Partners, LLC | 16,658 | $1.32M | 0.04% | +2,906+21.1% | Added |
| Bessemer Group Inc | 16,741 | $1.33M | 0.00% | −12,570−42.9% | Reduced |
| Candriam Luxembourg S.C.A. | 16,805 | $1.33M | 0.01% | −2,013−10.7% | Reduced |
| Credit Agricole S A | 17,048 | $1.35M | 0.01% | +7,277+74.5% | Added |
| Ameritas Investment Partners, Inc. | 17,405 | $1.38M | 0.05% | +368+2.2% | Added |
| Institute for Wealth Management, LLC. | 17,517 | $1.39M | 0.18% | −30−0.2% | Reduced |
| Walleye Capital LLC | 17,526 | $1.39M | 0.02% | +17,526 | New |
| Allstate Corp | 17,582 | $1.39M | 0.04% | +5,440+44.8% | Added |
| Keybank National Association | 17,647 | $1.40M | 0.01% | −880−4.7% | Reduced |
| IMC-Chicago, LLC | 17,850 | $1.41M | 0.05% | −4,463−20.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 18,055 | $1.43M | 0.00% | +10+0.1% | Added |
| AG2R la Mondiale Gestion D'Actifs | 19,454 | $1.43M | 0.08% | +19,454 | New |
| Dai-Ichi Life Insurance Company, Ltd | 18,425 | $1.46M | 0.04% | 00.0% | Unchanged |
| Markel Group Inc.SuperinvestorMarkel Group | 18,600 | $1.47M | 0.01% | 00.0% | Unchanged |
| New Mexico Educational Retirement Board | 19,200 | $1.52M | 0.05% | −300−1.5% | Reduced |
| Vident Advisory, LLC | 19,332 | $1.53M | 0.02% | +3,165+19.6% | Added |
| Mercer Global Advisors Inc | 19,404 | $1.54M | 0.00% | +1,956+11.2% | Added |
| Maryland State Retirement & Pension System | 19,440 | $1.54M | 0.04% | −2,231−10.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 19,688 | $1.56M | 0.01% | −133,741−87.2% | Reduced |
| Krilogy Financial LLC | 19,735 | $1.56M | 0.10% | −3,927−16.6% | Reduced |
| E Fund Management Co., Ltd. | 19,884 | $1.58M | 0.08% | +7,585+61.7% | Added |
| Ieq Capital, LLC | 20,046 | $1.59M | 0.01% | +11,785+142.7% | Added |
| Tower Research Capital LLC (TRC) | 20,078 | $1.59M | 0.05% | −8,047−28.6% | Reduced |
| Avantax Advisory Services, Inc. | 20,739 | $1.64M | 0.01% | +4,022+24.1% | Added |
| Capital International Inc | 20,939 | $1.66M | 0.02% | +20,939 | New |
| Crossmark Global Holdings, Inc. | 21,484 | $1.70M | 0.03% | −383−1.8% | Reduced |
| Quotient Wealth Partners, LLC | 21,591 | $1.71M | 0.05% | +21,591 | New |
| Procyon Private Wealth Partners, LLC | 21,649 | $1.72M | 0.10% | +5,125+31.0% | Added |
| Centaurus Financial, Inc. | 21,656 | $1.72M | 0.10% | +58+0.3% | Added |
| Lincoln Capital LLC | 21,275 | $1.72M | 0.36% | +21,275 | New |
| M&T Bank Corp | 22,171 | $1.76M | 0.01% | −1,809−7.5% | Reduced |
| Securian Asset Management, Inc | 22,246 | $1.76M | 0.05% | +214+1.0% | Added |
| Aurora Investment Managers, LLC. | 22,357 | $1.77M | 1.19% | +164+0.7% | Added |
| B.O.S.S. Retirement Advisors, LLC | 22,366 | $1.77M | 0.51% | −1,611−6.7% | Reduced |
| Icon Wealth Advisors, LLC | 22,419 | $1.78M | 0.15% | −1,940−8.0% | Reduced |
| Harbor Advisors LLC | 22,560 | $1.79M | 0.31% | 00.0% | Unchanged |
| Liontrust Investment Partners LLP | 23,172 | $1.84M | 0.03% | +1,313+6.0% | Added |
| Portside Wealth Group, LLC | 23,775 | $1.88M | 0.31% | −381−1.6% | Reduced |
| Gulf International Bank (UK) Ltd | 23,793 | $1.89M | 0.07% | −8,171−25.6% | Reduced |
| Sumitomo Life Insurance Co | 23,862 | $1.89M | 0.07% | −156−0.6% | Reduced |
| Benjamin Edwards Inc | 23,869 | $1.89M | 0.03% | +2,732+12.9% | Added |
| Kampmann Melissa S. | 23,950 | $1.90M | 1.50% | +5,775+31.8% | Added |
| DoubleLine ETF Adviser LP | 24,529 | $1.94M | 0.65% | −4,869−16.6% | Reduced |
| Holocene Advisors, LP | 24,571 | $1.95M | 0.01% | −89,739−78.5% | Reduced |
| First Bank & Trust | 24,737 | $1.96M | 0.38% | +3,893+18.7% | Added |
| Principal Securities, Inc. | 27,617 | $1.98M | 0.04% | 00.0% | Unchanged |
| QRG Capital Management, Inc. | 25,118 | $1.99M | 0.02% | +2,914+13.1% | Added |
| WoodTrust Financial Corp | 25,190 | $2.00M | 0.28% | +14,365+132.7% | Added |
| Simplex Trading, LLC | 25,214 | $2.00M | 0.07% | +25,214 | New |
| Natixis | 25,310 | $2.00M | 0.01% | +541+2.2% | Added |
| Verdence Capital Advisors LLC | 25,477 | $2.02M | 0.15% | +2,989+13.3% | Added |
| Allianz SE | 25,512 | $2.02M | 0.05% | 00.0% | Unchanged |
| Hartford Investment Management Co | 25,748 | $2.04M | 0.07% | +518+2.1% | Added |
| Harvest Fund Management Co., Ltd | 25,907 | $2.05M | 0.10% | +1,780+7.4% | Added |