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, Q3 2025
Institutional positions in Costar Group, Inc. as of Sep 30, 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
- 905
- +46 vs. Q2 2025
- Shares held
- 413.6M
- −5.67M (−1.4%) vs. Q2 2025
- Total value
- $34.9B
- +$1.15B (+3.4%) vs. Q2 2025
- New holders
- 107
- 364 more added
- Sold out
- 61
- 314 more reduced
14 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EverSource Wealth Advisors, LLC | 1,862 | $157.1K | 0.01% | +12+0.6% | Added |
| Atlantic Union Bankshares Corp | 1,899 | $160.2K | 0.00% | +1,667+718.5% | Added |
| Massmutual Trust Co FSB | 2,068 | $174.5K | 0.00% | +110+5.6% | Added |
| Livforsakringsbolaget Skandia, Omsesidigt | 2,100 | $177.1K | 0.01% | 00.0% | Unchanged |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 2,150 | $181.4K | 0.04% | +80+3.9% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 2,163 | $182.0K | 0.00% | +600+38.4% | Added |
| Global Retirement Partners, LLC | 2,227 | $187.9K | 0.00% | +364+19.5% | Added |
| Rainey & Randall Investment Management Inc. | 2,372 | $200.1K | 0.03% | +2,372 | New |
| ArrowMark Colorado Holdings LLC | 2,375 | $200.4K | 0.00% | −766−24.4% | Reduced |
| Fukoku Mutual Life Insurance Co | 2,398 | $202.3K | 0.01% | +2,398 | New |
| Adell Harriman & Carpenter Inc | 2,405 | $202.9K | 0.01% | +2,405 | New |
| Perfromance Wealth Partners, LLC | 2,405 | $202.9K | 0.01% | −454−15.9% | Reduced |
| Archetype Wealth Partners | 2,467 | $208.0K | 0.03% | +2,467 | New |
| Flossbach Von Storch AG | 2,500 | $210.9K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 2,500 | $210.9K | 0.01% | +2,500 | New |
| Paul Damon & Associates, Inc. | 2,505 | $211.3K | 0.10% | +2,505 | New |
| SageView Advisory Group, LLC | 2,559 | $215.9K | 0.01% | −38−1.5% | Reduced |
| Independent Financial Group, LLC | 2,567 | $216.6K | 0.01% | +2,567 | New |
| OneAscent Financial Services LLC | 2,581 | $217.8K | 0.01% | −256−9.0% | Reduced |
| Valeo Financial Advisors, LLC | 2,607 | $220.0K | 0.01% | −108−4.0% | Reduced |
| Mather Group, LLC. | 2,648 | $223.4K | 0.00% | +78+3.0% | Added |
| Panagora Asset Management Inc | 2,650 | $223.6K | 0.00% | 00.0% | Unchanged |
| Patton Fund Management, Inc. | 2,659 | $224.3K | 0.04% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 2,708 | $228.5K | 0.03% | +1,608+146.2% | Added |
| Evergreen Capital Management LLC | 2,710 | $228.6K | 0.01% | +2,710 | New |
| KCM Investment Advisors LLC | 2,720 | $229.5K | 0.01% | 00.0% | Unchanged |
| Castleview Partners, LLC | 2,821 | $238.0K | 0.13% | +24+0.9% | Added |
| Manuka Financial, LLC | 2,824 | $238.3K | 0.15% | +2,824 | New |
| Texas Capital Bank Wealth Management Services Inc | 2,856 | $241.0K | 0.02% | −1,148−28.7% | Reduced |
| Wedmont Private Capital | 3,044 | $245.3K | 0.01% | +238+8.5% | Added |
| Commerzbank Aktiengesellschaft | 2,912 | $246.0K | 0.01% | +2,912 | New |
| Kingswood Wealth Advisors, LLC | 2,918 | $246.2K | 0.01% | −82−2.7% | Reduced |
| Crestwood Advisors Group LLC | 2,931 | $247.3K | 0.00% | +386+15.2% | Added |
| Contravisory Investment Management, Inc. | 2,931 | $247.3K | 0.05% | +2,931 | New |
| Greenleaf Trust | 2,957 | $249.5K | 0.00% | +335+12.8% | Added |
| Riverview Capital Advisers, LLC | 2,963 | $250.0K | 0.07% | +2,963 | New |
| Meeder Advisory Services, Inc. | 2,964 | $250.1K | 0.01% | −775−20.7% | Reduced |
| IHT Wealth Management, LLC | 2,965 | $250.2K | 0.01% | −338−10.2% | Reduced |
| Proficio Capital Partners LLC | 2,968 | $250.4K | 0.02% | −1,561−34.5% | Reduced |
| Bridges Investment Management Inc | 3,000 | $253.1K | 0.00% | 00.0% | Unchanged |
| Twinbeech Capital LP | 3,023 | $255.1K | 0.01% | +3,023 | New |
| Jones Financial Companies LLLP | 3,039 | $255.4K | 0.00% | +389+14.7% | Added |
| TD Private Client Wealth LLC | 3,039 | $256.4K | 0.01% | +1,646+118.2% | Added |
| Premier Path Wealth Partners, LLC | 3,056 | $257.8K | 0.03% | +244+8.7% | Added |
| CX Institutional | 3,098 | $261.0K | 0.01% | −36−1.1% | Reduced |
| Ridgewood Investments LLC | 3,145 | $265.3K | 0.11% | −157−4.8% | Reduced |
| Assetmark, Inc | 3,154 | $266.1K | 0.00% | +489+18.3% | Added |
| Boothbay Fund Management, LLC | 3,166 | $267.1K | 0.01% | +378+13.6% | Added |
| Cooper Financial Group | 3,171 | $267.5K | 0.03% | −158−4.7% | Reduced |
| Keel Point, LLC | 3,208 | $270.7K | 0.02% | −622−16.2% | Reduced |
| TownSquare Capital, LLC | 3,246 | $273.9K | 0.04% | −10,088−75.7% | Reduced |
| Needham Investment Management LLC | 3,250 | $274.2K | 0.02% | +3,250 | New |
| Diversify Advisory Services, LLC | 3,972 | $275.6K | 0.01% | −160−3.9% | Reduced |
| Index Fund Advisors, Inc. | 3,283 | $277.0K | 0.01% | +5+0.2% | Added |
| Advisory Services Network, LLC | 3,296 | $278.1K | 0.00% | −39−1.2% | Reduced |
| Fifth Third Wealth Advisors LLC | 3,304 | $278.8K | 0.01% | +121+3.8% | Added |
| Aaron Wealth Advisors | 3,313 | $279.5K | 0.02% | +3,313 | New |
| Salvus Wealth Management, LLC | 3,319 | $280.0K | 0.16% | +312+10.4% | Added |
| HT Partners LLC | 3,343 | $282.0K | 0.09% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 3,426 | $289.1K | 0.02% | +3,426 | New |
| ORG Wealth Partners, LLC | 3,443 | $290.5K | 0.06% | +295+9.4% | Added |
| HBK Sorce Advisory LLC | 3,887 | $292.3K | 0.01% | −235−5.7% | Reduced |
| Pensionmark Financial Group, LLC | 3,519 | $296.9K | 0.01% | +108+3.2% | Added |
| Sagespring Wealth Partners, LLC | 3,623 | $305.7K | 0.01% | +460+14.5% | Added |
| Octavia Wealth Advisors, LLC | 3,626 | $305.9K | 0.03% | −3−0.1% | Reduced |
| Golden State Wealth Management, LLC | 3,626 | $305.9K | 0.03% | +166+4.8% | Added |
| PUREfi Wealth, LLC | 3,647 | $307.7K | 0.24% | −12−0.3% | Reduced |
| Savant Capital, LLC | 3,662 | $309.0K | 0.00% | +25+0.7% | Added |
| Skopos Labs, Inc. | 3,848 | $310.8K | 0.04% | +94+2.5% | Added |
| Independent Advisor Alliance | 3,716 | $313.5K | 0.01% | −116−3.0% | Reduced |
| Allworth Financial LP | 3,745 | $316.0K | 0.00% | +228+6.5% | Added |
| We Are One Seven, LLC | 3,811 | $321.5K | 0.01% | +805+26.8% | Added |
| Bayforest Capital Ltd | 3,835 | $323.6K | 0.15% | +3,835 | New |
| Bridgefront Capital, LLC | 3,937 | $332.2K | 0.10% | +3,937 | New |
| Net Worth Advisory Group | 3,938 | $332.2K | 0.10% | +3,938 | New |
| Rakuten Investment Management, Inc. | 10,056 | $332.4K | 0.00% | +10,056 | New |
| Main Street Financial Solutions, LLC | 3,974 | $335.3K | 0.02% | −404−9.2% | Reduced |
| Vontobel Holding Ltd. | 3,999 | $337.4K | 0.00% | −13−0.3% | Reduced |
| Buckingham Strategic Partners | 4,957 | $339.7K | 0.00% | +4,957 | New |
| Citizens Business Bank | 4,053 | $342.0K | 0.06% | +4,053 | New |
| Dynasty Wealth Management, LLC | 4,094 | $345.4K | 0.00% | −13,092−76.2% | Reduced |
| Cigna Investments Inc | 4,135 | $349.0K | 0.05% | 00.0% | Unchanged |
| Diversify Wealth Management, LLC | 5,077 | $352.2K | 0.02% | −686−11.9% | Reduced |
| CCG Wealth Management, LLC | 4,183 | $352.9K | 0.17% | +12+0.3% | Added |
| Apriem Advisors | 4,227 | $356.6K | 0.03% | +19+0.5% | Added |
| NBC Securities, Inc. | 4,274 | $360.6K | 0.03% | −3−0.1% | Reduced |
| Wetherby Asset Management Inc | 4,318 | $364.3K | 0.01% | +262+6.5% | Added |
| Wallace Advisory Group, LLC | 4,537 | $364.8K | 0.29% | −664−12.8% | Reduced |
| Checchi Capital Advisers, LLC | 4,335 | $365.7K | 0.03% | −349−7.5% | Reduced |
| FineMark National Bank & Trust | 4,350 | $367.0K | 0.01% | 00.0% | Unchanged |
| Financial Consulate, Inc | 4,412 | $372.2K | 0.05% | +4,412 | New |
| Citizens Financial Group Inc | 4,424 | $373.3K | 0.01% | −872−16.5% | Reduced |
| Plato Investment Management Ltd | 4,469 | $374.2K | 0.03% | 00.0% | Unchanged |
| Brown Miller Wealth Management, LLC | 4,444 | $374.9K | 0.11% | 00.0% | Unchanged |
| Kathleen S. Wright Associates Inc. | 4,700 | $375.1K | 0.14% | −500−9.6% | Reduced |
| Parkside Financial Bank & Trust | 4,466 | $376.8K | 0.03% | +35+0.8% | Added |
| Pallas Capital Advisors LLC | 4,484 | $378.3K | 0.01% | +60+1.4% | Added |
| SG Americas Securities, LLC | 4,515 | $381.0K | 0.00% | −12,901−74.1% | Reduced |
| Chatham Capital Group, Inc. | 4,556 | $384.4K | 0.06% | 00.0% | Unchanged |
| One Wealth Capital Management, LLC | 4,590 | $387.3K | 0.17% | −200−4.2% | Reduced |