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 |
|---|---|---|---|---|---|
| AG2R la Mondiale Gestion D'Actifs | 19,454 | $1.43M | 0.08% | +19,454 | New |
| Wealth Enhancement Advisory Services, LLC | 18,055 | $1.43M | 0.00% | +10+0.1% | Added |
| IMC-Chicago, LLC | 17,850 | $1.41M | 0.05% | −4,463−20.0% | Reduced |
| Keybank National Association | 17,647 | $1.40M | 0.01% | −880−4.7% | Reduced |
| Allstate Corp | 17,582 | $1.39M | 0.04% | +5,440+44.8% | Added |
| Walleye Capital LLC | 17,526 | $1.39M | 0.02% | +17,526 | New |
| Institute for Wealth Management, LLC. | 17,517 | $1.39M | 0.18% | −30−0.2% | Reduced |
| Ameritas Investment Partners, Inc. | 17,405 | $1.38M | 0.05% | +368+2.2% | Added |
| Credit Agricole S A | 17,048 | $1.35M | 0.01% | +7,277+74.5% | Added |
| Candriam Luxembourg S.C.A. | 16,805 | $1.33M | 0.01% | −2,013−10.7% | Reduced |
| Bessemer Group Inc | 16,741 | $1.33M | 0.00% | −12,570−42.9% | Reduced |
| Metis Global Partners, LLC | 16,658 | $1.32M | 0.04% | +2,906+21.1% | Added |
| Brevan Howard Capital Management LP | 16,444 | $1.30M | 0.04% | +16,444 | New |
| Voya Financial Advisors, Inc. | 16,354 | $1.30M | 0.14% | −1,827−10.0% | Reduced |
| Alliance Wealth Advisors, LLC | 16,198 | $1.28M | 0.33% | −1,398−7.9% | Reduced |
| Dynasty Wealth Management, LLC | 16,030 | $1.27M | 0.02% | +78+0.5% | Added |
| Aviva PLC | 16,007 | $1.27M | 0.00% | +373+2.4% | Added |
| Redmond Asset Management, LLC | 15,953 | $1.26M | 0.33% | +338+2.2% | Added |
| Kestra Advisory Services, LLC | 15,871 | $1.26M | 0.01% | +2,541+19.1% | Added |
| Red Spruce Capital, LLC | 15,867 | $1.26M | 0.59% | +15,867 | New |
| Squarepoint Ops LLC | 15,825 | $1.25M | 0.00% | +1,710+12.1% | Added |
| SG Americas Securities, LLC | 15,717 | $1.25M | 0.00% | +10,558+204.7% | Added |
| Toroso Investments, LLC | 15,572 | $1.23M | 0.01% | −62,455−80.0% | Reduced |
| Norden Group LLC | 15,557 | $1.23M | 0.14% | +194+1.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 15,553 | $1.23M | 0.01% | −745−4.6% | Reduced |
| Conestoga Capital Advisors, LLC | 15,495 | $1.23M | 0.02% | +310+2.0% | Added |
| Caption Management, LLC | 15,448 | $1.22M | 0.06% | +15,448 | New |
| Wiley Bros.-Aintree Capital, LLC | 15,074 | $1.20M | 0.01% | +3,454+29.7% | Added |
| Phraction Management LLC | 14,972 | $1.19M | 0.40% | +4,785+47.0% | Added |
| Sapient Capital LLC | 14,902 | $1.18M | 0.02% | −216−1.4% | Reduced |
| EagleClaw Capital Managment, LLC | 14,450 | $1.14M | 0.18% | −1,150−7.4% | Reduced |
| Davis Capital Management | 14,437 | $1.14M | 0.91% | +981+7.3% | Added |
| Grove Bank & Trust | 14,139 | $1.12M | 0.15% | +348+2.5% | Added |
| Legacy Advisors, LLC | 14,101 | $1.12M | 0.12% | −133−0.9% | Reduced |
| Advisor Group Holdings, Inc. | 14,025 | $1.11M | 0.00% | −1,184−7.8% | Reduced |
| RMR Wealth Builders | 13,919 | $1.10M | 0.12% | −25−0.2% | Reduced |
| Chicago Partners Investment Group LLC | 14,505 | $1.09M | 0.04% | +438+3.1% | Added |
| Bokf, NA | 13,766 | $1.09M | 0.02% | −1,640−10.6% | Reduced |
| Chicago Trust Co NA | 13,490 | $1.07M | 0.19% | −1,545−10.3% | Reduced |
| Tokio Marine Asset Management Co Ltd | 13,482 | $1.07M | 0.04% | +1,380+11.4% | Added |
| Northwestern Mutual Investment Management Company, LLC | 13,404 | $1.06M | 0.02% | +387+3.0% | Added |
| Bell Bank | 13,396 | $1.06M | 0.06% | −4,489−25.1% | Reduced |
| Guidance Capital, Inc | 13,537 | $1.06M | 0.32% | +1,552+12.9% | Added |
| Botty Investors LLC | 13,174 | $1.04M | 0.34% | +13,174 | New |
| Papamarkou Wellner Asset Management inc. | 13,145 | $1.04M | 0.73% | −30−0.2% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 13,070 | $1.04M | 0.01% | −5,801−30.7% | Reduced |
| Clear Street Markets LLC | 13,000 | $1.03M | 0.71% | +8,935+219.8% | Added |
| Yarbrough Capital, LLC | 12,810 | $1.01M | 0.04% | −25,140−66.2% | Reduced |
| Regatta Capital Group, LLC | 12,621 | $1.00M | 0.19% | +301+2.4% | Added |
| Everence Capital Management Inc | 12,390 | $982.0K | 0.07% | −1,930−13.5% | Reduced |
| E. Ohman J:or Asset Management AB | 12,300 | $974.5K | 0.03% | 00.0% | Unchanged |
| Kentucky Retirement Systems Insurance Trust Fund | 12,074 | $956.6K | 0.07% | +12,074 | New |
| Wolverine Trading, LLC | 12,020 | $953.3K | 0.03% | −9,588−44.4% | Reduced |
| Commerce Bank | 11,945 | $946.4K | 0.01% | −2,707−18.5% | Reduced |
| Investment Management Corp of Ontario | 11,894 | $942.4K | 0.02% | −13,238−52.7% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 11,665 | $924.2K | 0.05% | −691−5.6% | Reduced |
| Personal Cfo Solutions, LLC | 11,629 | $921.4K | 0.19% | +1,976+20.5% | Added |
| Cresset Asset Management, LLC | 11,503 | $911.4K | 0.00% | +2,723+31.0% | Added |
| Postrock Partners LLC | 11,440 | $906.4K | 0.45% | 00.0% | Unchanged |
| Gilbert & Cook, Inc. | 11,376 | $901.3K | 0.13% | −350−3.0% | Reduced |
| Aster Capital Management (DIFC) Ltd | 11,807 | $900.3K | 0.17% | +11,807 | New |
| Vestmark Advisory Solutions, Inc. | 11,040 | $874.7K | 0.02% | +3,973+56.2% | Added |
| Miracle Mile Advisors, LLC | 10,956 | $868.0K | 0.02% | +1,901+21.0% | Added |
| Bleakley Financial Group, LLC | 10,935 | $866.4K | 0.03% | +1,713+18.6% | Added |
| RSM US Wealth Management LLC | 10,872 | $861.4K | 0.01% | −2,380−18.0% | Reduced |
| Gibbs Wealth Management | 10,726 | $849.8K | 0.20% | +1,781+19.9% | Added |
| Rockefeller Capital Management L.P. | 10,709 | $848.5K | 0.00% | −1,638−13.3% | Reduced |
| SRS Capital Advisors, Inc. | 10,690 | $847.0K | 0.05% | −1,280−10.7% | Reduced |
| Accretive Wealth Partners, LLC | 11,266 | $840.3K | 0.30% | +1,559+16.1% | Added |
| Alps Advisors Inc | 10,479 | $830.3K | 0.00% | −4,764−31.3% | Reduced |
| Octavia Wealth Advisors, LLC | 10,450 | $828.0K | 0.10% | +10,450 | New |
| Trust Point Inc. | 10,435 | $826.8K | 0.08% | −250−2.3% | Reduced |
| Man Group plc | 10,191 | $807.4K | 0.00% | −18,644−64.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 10,130 | $802.6K | 0.07% | +3,458+51.8% | Added |
| Aspen Grove Capital, LLC | 10,078 | $798.5K | 0.15% | +10,078 | New |
| Fifth Third Bancorp | 10,068 | $797.7K | 0.00% | +2,430+31.8% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 10,041 | $795.5K | 0.01% | +558+5.9% | Added |
| Atria Wealth Solutions, Inc. | 9,956 | $788.8K | 0.01% | +2,170+27.9% | Added |
| Mattern Capital Management, LLC | 9,890 | $783.6K | 0.10% | +1,012+11.4% | Added |
| Howard Capital Management Inc. | 9,727 | $770.7K | 0.02% | −1,489−13.3% | Reduced |
| Ascent Group, LLC | 9,665 | $765.8K | 0.03% | +1,165+13.7% | Added |
| Stansberry Asset Management, LLC | 9,641 | $763.9K | 0.09% | −1,029−9.6% | Reduced |
| Hills Bank & Trust Co | 9,574 | $758.5K | 0.05% | +200+2.1% | Added |
| American Assets Capital Advisers, LLC | 9,534 | $755.4K | 0.32% | 00.0% | Unchanged |
| United Services Automobile Association | 9,336 | $740.4K | 0.02% | +9,336 | New |
| Summit Trail Advisors, LLC | 9,286 | $735.7K | 0.02% | +2,197+31.0% | Added |
| Hamilton Lane Advisors LLC | 9,232 | $731.5K | 0.63% | +9,232 | New |
| Altfest L J & Co Inc | 9,167 | $726.3K | 0.09% | +1,151+14.4% | Added |
| Copperwynd Financial, LLC | 9,082 | $719.6K | 0.20% | +9,082 | New |
| Connable Office Inc | 9,000 | $713.1K | 0.08% | 00.0% | Unchanged |
| Grantham, Mayo, Van Otterloo & Co. LLC | 8,804 | $697.5K | 0.00% | +8,804 | New |
| CWM, LLC | 8,790 | $696.0K | 0.00% | +2,153+32.4% | Added |
| Sig Brokerage, LP | 8,735 | $692.1K | 0.20% | +8,735 | New |
| Ossiam | 8,716 | $690.6K | 0.01% | −3,022−25.7% | Reduced |
| Atomi Financial Group, Inc. | 8,631 | $683.8K | 0.03% | +2,706+45.7% | Added |
| Patten & Patten Inc | 8,558 | $678.0K | 0.05% | −5−0.1% | Reduced |
| Snowden Capital Advisors LLC | 8,490 | $672.7K | 0.02% | +350+4.3% | Added |
| Empirical Finance, LLC | 8,262 | $654.6K | 0.04% | +406+5.2% | Added |
| Baker Tilly Wealth Management, LLC | 8,242 | $653.0K | 0.26% | +465+6.0% | Added |
| United Capital Financial Advisers, LLC | 8,223 | $651.5K | 0.01% | +1,971+31.5% | Added |