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, Q2 2021
Institutional positions in Costar Group, Inc. as of Jun 30, 2021. 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
- 607
- +19 vs. Q1 2021
- Shares held
- 375.3M
- +1.70M (+0.5%) vs. Q1 2021Converted for a 10-for-1 split
- Total value
- $31.1B
- +$378.3M (+1.2%) vs. Q1 2021
- New holders
- 86
- 229 more added
- Sold out
- 67
- 172 more reduced
5 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| People's United Financial, Inc. | 7,080 | $586.0K | 0.01% | −310−4.2% | ReducedConverted for a 10-for-1 split |
| Penserra Capital Management LLC | 7,040 | $582.0K | 0.01% | +6,110+657.0% | AddedConverted for a 10-for-1 split |
| Ground Swell Capital, LLC | 6,966 | $577.0K | 3.13% | +4,346+165.9% | AddedConverted for a 10-for-1 split |
| Davenport & Co LLC | 6,960 | $576.0K | 0.00% | +4,470+179.5% | AddedConverted for a 10-for-1 split |
| Vestcor Inc | 6,960 | $576.0K | 0.02% | +6,610+1,888.6% | AddedConverted for a 10-for-1 split |
| Kestra Advisory Services, LLC | 6,901 | $572.0K | 0.01% | −229−3.2% | ReducedConverted for a 10-for-1 split |
| Hengehold Capital Management LLC | 6,910 | $572.0K | 0.08% | 00.0% | UnchangedConverted for a 10-for-1 split |
| JustInvest LLC | 6,867 | $569.0K | 0.06% | +6,867 | New |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,842 | $567.0K | 0.01% | +4,222+161.1% | AddedConverted for a 10-for-1 split |
| Edgestream Partners, L.P. | 6,623 | $549.0K | 0.03% | −82,917−92.6% | ReducedConverted for a 10-for-1 split |
| Chatham Capital Group, Inc. | 6,600 | $547.0K | 0.11% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Loomis Sayles & Co L P | 6,610 | $547.0K | 0.00% | +4,590+227.2% | AddedConverted for a 10-for-1 split |
| Panagora Asset Management Inc | 6,460 | $535.0K | 0.00% | −349,100−98.2% | ReducedConverted for a 10-for-1 split |
| WMS Partners, LLC | 6,440 | $533.0K | 0.08% | 00.0% | UnchangedConverted for a 10-for-1 split |
| IndexIQ Advisors LLC | 6,440 | $533.0K | 0.02% | +480+8.1% | AddedConverted for a 10-for-1 split |
| Standard Family Office LLC | 6,330 | $524.0K | 0.11% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Chicago Trust Co NA | 6,290 | $521.0K | 0.12% | +6,290 | New |
| Independent Advisor Alliance | 6,230 | $516.0K | 0.03% | +40+0.6% | AddedConverted for a 10-for-1 split |
| Allstate Corp | 6,200 | $513.0K | 0.02% | −1,820−22.7% | ReducedConverted for a 10-for-1 split |
| World Asset Management Inc | 6,200 | $513.0K | 0.05% | −550−8.1% | ReducedConverted for a 10-for-1 split |
| Boston Financial Mangement LLC | 6,040 | $500.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Livforsakringsbolaget Skandia, Omsesidigt | 6,000 | $497.0K | 0.03% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Heritage Wealth Management, LLC | 5,930 | $491.0K | 0.19% | +720+13.8% | AddedConverted for a 10-for-1 split |
| Teza Capital Management LLC | 5,771 | $478.0K | 0.08% | +5,771 | New |
| Baker Tilly Wealth Management, LLC | 5,706 | $473.0K | 0.08% | +2,146+60.3% | AddedConverted for a 10-for-1 split |
| Veritable, L.P. | 5,630 | $466.0K | 0.01% | +120+2.2% | AddedConverted for a 10-for-1 split |
| Yorktown Management & Research Co Inc | 5,500 | $456.0K | 0.36% | +5,500 | New |
| Dark Forest Capital Management LP | 5,464 | $453.0K | 0.20% | +5,464 | New |
| Leonteq Securities AG | 5,460 | $452.2K | 0.03% | +120+2.2% | AddedConverted for a 10-for-1 split |
| Sandbox Financial Partners, LLC | 5,460 | $452.0K | 0.34% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Prelude Capital Management, LLC | 5,360 | $444.0K | 0.02% | +5,360 | New |
| Rehmann Capital Advisory Group | 5,269 | $437.0K | 0.04% | +5,269 | New |
| Oppenheimer & Co Inc | 5,250 | $435.0K | 0.01% | +640+13.9% | AddedConverted for a 10-for-1 split |
| Vontobel Holding Ltd. | 5,070 | $422.0K | 0.00% | −1,770−25.9% | ReducedConverted for a 10-for-1 split |
| CWM Advisors, LLC | 5,040 | $417.0K | 0.05% | +210+4.3% | AddedConverted for a 10-for-1 split |
| Occudo Quantitative Strategies LP | 4,930 | $408.0K | 0.06% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Vident Investment Advisory, LLC | 4,900 | $406.0K | 0.01% | −360−6.8% | ReducedConverted for a 10-for-1 split |
| Neo Ivy Capital Management | 4,908 | $406.0K | 0.41% | +4,908 | New |
| Los Angeles Capital Management LLC | 4,850 | $402.0K | 0.00% | −30,100−86.1% | ReducedConverted for a 10-for-1 split |
| Illinois Municipal Retirement Fund | 4,830 | $400.0K | 0.02% | −39,830−89.2% | ReducedConverted for a 10-for-1 split |
| Edmond de Rothschild Holding S.A. | 4,780 | $396.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Wellington Shields Capital Management, LLC | 4,750 | $393.0K | 0.05% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Integrated Investment Consultants, LLC | 4,700 | $389.0K | 0.11% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Mirabella Financial Services LLP | 4,665 | $386.0K | 0.07% | +4,665 | New |
| Kalos Management, Inc. | 4,470 | $382.0K | 0.15% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Agf Investments Inc. | 4,590 | $380.0K | 0.00% | +90+2.0% | AddedConverted for a 10-for-1 split |
| Adviser Investments LLC | 4,570 | $378.0K | 0.03% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Symmetry Partners, LLC | 4,550 | $377.0K | 0.03% | −5,770−55.9% | ReducedConverted for a 10-for-1 split |
| CFM Wealth Partners LLC | 4,540 | $376.0K | 0.10% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Natixis Investment Managers International | 4,538 | $375.0K | 0.02% | −122−2.6% | ReducedConverted for a 10-for-1 split |
| Rockefeller Capital Management L.P. | 4,500 | $372.0K | 0.00% | +2,160+92.3% | AddedConverted for a 10-for-1 split |
| Cerity Partners LLC | 4,470 | $370.0K | 0.01% | +170+4.0% | AddedConverted for a 10-for-1 split |
| Parallel Advisors, LLC | 4,420 | $366.0K | 0.02% | +110+2.6% | AddedConverted for a 10-for-1 split |
| Wolverine Asset Management LLC | 4,360 | $361.0K | 0.00% | +4,360 | New |
| Integrated Advisors Network LLC | 4,350 | $360.0K | 0.03% | +490+12.7% | AddedConverted for a 10-for-1 split |
| Dai-Ichi Life Insurance Company, Ltd | 4,330 | $359.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Brown Miller Wealth Management, LLC | 4,330 | $358.0K | 0.23% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Toroso Investments, LLC | 4,310 | $357.0K | 0.01% | +1,400+48.1% | AddedConverted for a 10-for-1 split |
| Wills Financial Group, Inc. | 4,290 | $355.0K | 0.15% | −550−11.4% | ReducedConverted for a 10-for-1 split |
| Guggenheim Capital LLC | 4,189 | $347.0K | 0.00% | −1,181−22.0% | ReducedConverted for a 10-for-1 split |
| Diversified Trust Co | 4,030 | $334.0K | 0.01% | +4,030 | New |
| Corbett Road Capital Management, LLC | 4,020 | $333.0K | 0.59% | −1,940−32.6% | ReducedConverted for a 10-for-1 split |
| Meiji Yasuda Asset Management Co Ltd. | 4,010 | $332.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Raymond James Trust N.A. | 3,990 | $330.0K | 0.01% | +980+32.6% | AddedConverted for a 10-for-1 split |
| Column Capital Advisors, LLC | 3,940 | $326.0K | 0.07% | −90−2.2% | ReducedConverted for a 10-for-1 split |
| Wetherby Asset Management Inc | 3,930 | $325.0K | 0.02% | −3,910−49.9% | ReducedConverted for a 10-for-1 split |
| Checchi Capital Advisers, LLC | 3,810 | $316.0K | 0.04% | +30+0.8% | AddedConverted for a 10-for-1 split |
| Mercer Global Advisors Inc | 3,800 | $315.0K | 0.00% | +640+20.3% | AddedConverted for a 10-for-1 split |
| Northwestern Mutual Wealth Management Co | 3,779 | $313.0K | 0.00% | −2,261−37.4% | ReducedConverted for a 10-for-1 split |
| Balasa Dinverno & Foltz LLC | 3,760 | $311.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Altman Advisors, Inc. | 3,580 | $307.0K | 0.17% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Enlightenment Research, LLC | 3,700 | $306.0K | 0.39% | +1,200+48.0% | AddedConverted for a 10-for-1 split |
| Hantz Financial Services, Inc. | 3,647 | $302.0K | 0.01% | +1,177+47.7% | AddedConverted for a 10-for-1 split |
| Weld Capital Management LLC | 3,609 | $299.0K | 0.30% | +3,609 | New |
| Bellevue Group AG | 3,500 | $290.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Sepio Capital, LP | 3,500 | $290.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Tokio Marine Asset Management Co Ltd | 3,440 | $285.0K | 0.03% | +430+14.3% | AddedConverted for a 10-for-1 split |
| Advisory Research Inc | 3,310 | $274.0K | 0.02% | −4,000−54.7% | ReducedConverted for a 10-for-1 split |
| Wealth Management Associates, Inc. | 3,300 | $273.3K | 0.16% | +3,300 | New |
| Winton Group Ltd | 3,291 | $273.0K | 0.01% | −4,589−58.2% | ReducedConverted for a 10-for-1 split |
| CCG Wealth Management, LLC | 3,260 | $270.0K | 0.21% | +410+14.4% | AddedConverted for a 10-for-1 split |
| NuWave Investment Management, LLC | 3,266 | $270.0K | 0.30% | +3,266 | New |
| Twin Tree Management, LP | 3,249 | $269.0K | 0.01% | +3,249 | New |
| Camden Capital, LLC | 3,184 | $264.0K | 0.06% | +3,184 | New |
| O'Shaughnessy Asset Management, LLC | 3,160 | $262.0K | 0.01% | +470+17.5% | AddedConverted for a 10-for-1 split |
| Tuttle Tactical Management | 3,083 | $255.0K | 0.11% | +3,083 | New |
| Capital Asset Advisory Services LLC | 3,070 | $254.0K | 0.03% | +250+8.9% | AddedConverted for a 10-for-1 split |
| Banque Cantonale Vaudoise | 3,000 | $249.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Endurance Wealth Management, Inc. | 2,970 | $245.0K | 0.03% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Cigna Investments Inc | 2,936 | $243.0K | 0.02% | −124−4.1% | ReducedConverted for a 10-for-1 split |
| Sawtooth Solutions, LLC | 2,933 | $243.0K | 0.05% | +2,933 | New |
| Machina Capital S.A.S. | 2,930 | $243.0K | 0.41% | +2,930 | New |
| Jefferies Group LLC | 2,855 | $236.5K | 0.00% | +2,855 | New |
| Mainstay Capital Management LLC | 2,850 | $236.0K | 0.06% | +2,850 | New |
| Coastal Investment Advisors, Inc. | 2,840 | $235.0K | 0.06% | +70+2.5% | AddedConverted for a 10-for-1 split |
| Proficio Capital Partners LLC | 2,820 | $234.0K | 0.03% | +110+4.1% | AddedConverted for a 10-for-1 split |
| FineMark National Bank & Trust | 2,810 | $233.0K | 0.01% | +60+2.2% | AddedConverted for a 10-for-1 split |
| Zions Bancorporation, N.A. | 2,800 | $232.0K | 0.02% | +460+19.7% | AddedConverted for a 10-for-1 split |
| Wealth Alliance | 2,801 | $232.0K | 0.05% | +2,801 | New |
| Laurion Capital Management LP | 2,725 | $226.0K | 0.00% | +2,725 | New |