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 |
|---|---|---|---|---|---|
| Homrich & Berg | 2,560 | $212.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Sustainable Growth Advisers, LP | 2,560 | $212.0K | 0.00% | +2,560 | New |
| Private Trust Co NA | 2,650 | $219.0K | 0.03% | −250−8.6% | ReducedConverted for a 10-for-1 split |
| Redpoint Investment Management Pty Ltd | 2,640 | $219.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Security National Bank of Sioux City Iowa | 2,660 | $220.0K | 0.17% | +2,660 | New |
| Centiva Capital, LP | 2,692 | $223.0K | 0.02% | +2,692 | New |
| Crescent Grove Advisors, LLC | 2,700 | $224.0K | 0.02% | +2,700 | New |
| Laurion Capital Management LP | 2,725 | $226.0K | 0.00% | +2,725 | New |
| 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 |
| FineMark National Bank & Trust | 2,810 | $233.0K | 0.01% | +60+2.2% | 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 |
| Coastal Investment Advisors, Inc. | 2,840 | $235.0K | 0.06% | +70+2.5% | AddedConverted for a 10-for-1 split |
| Mainstay Capital Management LLC | 2,850 | $236.0K | 0.06% | +2,850 | New |
| Jefferies Group LLC | 2,855 | $236.5K | 0.00% | +2,855 | New |
| 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 |
| Endurance Wealth Management, Inc. | 2,970 | $245.0K | 0.03% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Banque Cantonale Vaudoise | 3,000 | $249.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Capital Asset Advisory Services LLC | 3,070 | $254.0K | 0.03% | +250+8.9% | AddedConverted for a 10-for-1 split |
| Tuttle Tactical Management | 3,083 | $255.0K | 0.11% | +3,083 | New |
| O'Shaughnessy Asset Management, LLC | 3,160 | $262.0K | 0.01% | +470+17.5% | AddedConverted for a 10-for-1 split |
| Camden Capital, LLC | 3,184 | $264.0K | 0.06% | +3,184 | New |
| Twin Tree Management, LP | 3,249 | $269.0K | 0.01% | +3,249 | New |
| 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 |
| Winton Group Ltd | 3,291 | $273.0K | 0.01% | −4,589−58.2% | ReducedConverted for a 10-for-1 split |
| Wealth Management Associates, Inc. | 3,300 | $273.3K | 0.16% | +3,300 | New |
| Advisory Research Inc | 3,310 | $274.0K | 0.02% | −4,000−54.7% | ReducedConverted 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 |
| 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 |
| Weld Capital Management LLC | 3,609 | $299.0K | 0.30% | +3,609 | New |
| Hantz Financial Services, Inc. | 3,647 | $302.0K | 0.01% | +1,177+47.7% | AddedConverted 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 |
| Altman Advisors, Inc. | 3,580 | $307.0K | 0.17% | 00.0% | UnchangedConverted 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 |
| Northwestern Mutual Wealth Management Co | 3,779 | $313.0K | 0.00% | −2,261−37.4% | ReducedConverted 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 |
| Checchi Capital Advisers, LLC | 3,810 | $316.0K | 0.04% | +30+0.8% | AddedConverted 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 |
| Column Capital Advisors, LLC | 3,940 | $326.0K | 0.07% | −90−2.2% | ReducedConverted 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 |
| Meiji Yasuda Asset Management Co Ltd. | 4,010 | $332.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Corbett Road Capital Management, LLC | 4,020 | $333.0K | 0.59% | −1,940−32.6% | ReducedConverted for a 10-for-1 split |
| Diversified Trust Co | 4,030 | $334.0K | 0.01% | +4,030 | New |
| Guggenheim Capital LLC | 4,189 | $347.0K | 0.00% | −1,181−22.0% | ReducedConverted 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 |
| Toroso Investments, LLC | 4,310 | $357.0K | 0.01% | +1,400+48.1% | AddedConverted 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 |
| Dai-Ichi Life Insurance Company, Ltd | 4,330 | $359.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Integrated Advisors Network LLC | 4,350 | $360.0K | 0.03% | +490+12.7% | AddedConverted for a 10-for-1 split |
| Wolverine Asset Management LLC | 4,360 | $361.0K | 0.00% | +4,360 | New |
| Parallel Advisors, LLC | 4,420 | $366.0K | 0.02% | +110+2.6% | 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 |
| Rockefeller Capital Management L.P. | 4,500 | $372.0K | 0.00% | +2,160+92.3% | AddedConverted 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 |
| CFM Wealth Partners LLC | 4,540 | $376.0K | 0.10% | 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 |
| Adviser Investments LLC | 4,570 | $378.0K | 0.03% | 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 |
| Kalos Management, Inc. | 4,470 | $382.0K | 0.15% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Mirabella Financial Services LLP | 4,665 | $386.0K | 0.07% | +4,665 | New |
| Integrated Investment Consultants, LLC | 4,700 | $389.0K | 0.11% | 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 |
| Edmond de Rothschild Holding S.A. | 4,780 | $396.0K | 0.01% | 00.0% | UnchangedConverted 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 |
| Los Angeles Capital Management LLC | 4,850 | $402.0K | 0.00% | −30,100−86.1% | ReducedConverted 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 |
| Occudo Quantitative Strategies LP | 4,930 | $408.0K | 0.06% | 00.0% | UnchangedConverted 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 |
| Vontobel Holding Ltd. | 5,070 | $422.0K | 0.00% | −1,770−25.9% | ReducedConverted for a 10-for-1 split |
| Oppenheimer & Co Inc | 5,250 | $435.0K | 0.01% | +640+13.9% | AddedConverted for a 10-for-1 split |
| Rehmann Capital Advisory Group | 5,269 | $437.0K | 0.04% | +5,269 | New |
| Prelude Capital Management, LLC | 5,360 | $444.0K | 0.02% | +5,360 | New |
| Sandbox Financial Partners, LLC | 5,460 | $452.0K | 0.34% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Leonteq Securities AG | 5,460 | $452.2K | 0.03% | +120+2.2% | AddedConverted for a 10-for-1 split |
| Dark Forest Capital Management LP | 5,464 | $453.0K | 0.20% | +5,464 | New |
| Yorktown Management & Research Co Inc | 5,500 | $456.0K | 0.36% | +5,500 | New |
| Veritable, L.P. | 5,630 | $466.0K | 0.01% | +120+2.2% | AddedConverted for a 10-for-1 split |
| Baker Tilly Wealth Management, LLC | 5,706 | $473.0K | 0.08% | +2,146+60.3% | AddedConverted for a 10-for-1 split |
| Teza Capital Management LLC | 5,771 | $478.0K | 0.08% | +5,771 | New |
| Heritage Wealth Management, LLC | 5,930 | $491.0K | 0.19% | +720+13.8% | AddedConverted for a 10-for-1 split |
| Livforsakringsbolaget Skandia, Omsesidigt | 6,000 | $497.0K | 0.03% | 00.0% | UnchangedConverted 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 |
| 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 |
| Independent Advisor Alliance | 6,230 | $516.0K | 0.03% | +40+0.6% | AddedConverted for a 10-for-1 split |
| Chicago Trust Co NA | 6,290 | $521.0K | 0.12% | +6,290 | New |
| Standard Family Office LLC | 6,330 | $524.0K | 0.11% | 00.0% | UnchangedConverted 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 |
| Panagora Asset Management Inc | 6,460 | $535.0K | 0.00% | −349,100−98.2% | 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 |
| Edgestream Partners, L.P. | 6,623 | $549.0K | 0.03% | −82,917−92.6% | ReducedConverted for a 10-for-1 split |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,842 | $567.0K | 0.01% | +4,222+161.1% | AddedConverted for a 10-for-1 split |
| JustInvest LLC | 6,867 | $569.0K | 0.06% | +6,867 | New |