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 |
|---|---|---|---|---|---|
| Crescent Grove Advisors, LLC | 2,700 | $224.0K | 0.02% | +2,700 | New |
| Centiva Capital, LP | 2,692 | $223.0K | 0.02% | +2,692 | New |
| Security National Bank of Sioux City Iowa | 2,660 | $220.0K | 0.17% | +2,660 | 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 |
| First National Bank of Omaha | 258 | $212.0K | 0.01% | −2,322−90.0% | ReducedConverted for a 10-for-1 split |
| 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 |
| Castleark Management LLC | 2,550 | $211.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Hennion & Walsh Asset Management, Inc. | 2,510 | $208.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Flputnam Investment Management Co | 2,490 | $206.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Whittier Trust Co | 2,280 | $189.0K | 0.00% | +280+14.0% | AddedConverted for a 10-for-1 split |
| First Horizon Advisors, Inc. | 2,150 | $177.0K | 0.01% | +100+4.9% | AddedConverted for a 10-for-1 split |
| Parkside Financial Bank & Trust | 2,120 | $175.0K | 0.05% | +30+1.4% | AddedConverted for a 10-for-1 split |
| CenterStar Asset Management, LLC | – | $167.0K | 0.18% | – | New |
| KB Financial Partners, LLC | 1,951 | $162.0K | 0.06% | +281+16.8% | AddedConverted for a 10-for-1 split |
| SRS Capital Advisors, Inc. | 1,930 | $160.0K | 0.02% | +1,930 | New |
| Capco Asset Management, LLC | 1,900 | $157.0K | 0.05% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Emerald Mutual Fund Advisers Trust | 1,860 | $154.0K | 0.01% | +1,860 | New |
| Tradition Wealth Management, LLC | 1,860 | $154.0K | 0.02% | +1,860 | New |
| Monumental Financial Group Inc. | 1,790 | $148.0K | 0.13% | +1,790 | New |
| Delta Asset Management LLC | 1,760 | $146.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Ancora Advisors, LLC | 1,570 | $130.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Cullen/Frost Bankers, Inc. | 1,560 | $129.0K | 0.00% | +460+41.8% | AddedConverted for a 10-for-1 split |
| Signaturefd, LLC | 1,460 | $121.0K | 0.00% | +260+21.7% | AddedConverted for a 10-for-1 split |
| Tobam | 1,340 | $111.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Advisory Services Network, LLC | 1,250 | $103.0K | 0.00% | +1,250 | New |
| Lloyd Advisory Services, LLC. | 1,230 | $102.0K | 0.05% | +400+48.2% | AddedConverted for a 10-for-1 split |
| Quadrant Capital Group LLC | 1,192 | $99.0K | 0.01% | +72+6.4% | AddedConverted for a 10-for-1 split |
| Barrett Asset Management, LLC | 1,140 | $94.0K | 0.00% | +20+1.8% | AddedConverted for a 10-for-1 split |
| Carroll Financial Associates, Inc. | 1,070 | $88.0K | 0.00% | +100+10.3% | AddedConverted for a 10-for-1 split |
| Berman Capital Advisors, LLC | 1,050 | $86.0K | 0.01% | +150+16.7% | AddedConverted for a 10-for-1 split |
| Newfound Research LLC | 1,017 | $84.0K | 0.17% | +267+35.6% | AddedConverted for a 10-for-1 split |
| IFP Advisors, Inc | 945 | $79.0K | 0.00% | −285−23.2% | ReducedConverted for a 10-for-1 split |
| Huntington National Bank | 810 | $67.0K | 0.00% | −150−15.6% | ReducedConverted for a 10-for-1 split |
| Healthcare of Ontario Pension Plan Trust Fund | 780 | $65.0K | 0.00% | −15,590−95.2% | ReducedConverted for a 10-for-1 split |
| Acadian Asset Management LLC | 760 | $63.0K | 0.00% | −2,110−73.5% | ReducedConverted for a 10-for-1 split |
| Evoke Wealth, LLC | 710 | $59.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Lenox Wealth Advisors, LLC | 700 | $58.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Carolinas Wealth Consulting LLC | 650 | $54.0K | 0.01% | +210+47.7% | AddedConverted for a 10-for-1 split |
| Bessemer Group Inc | 630 | $53.0K | 0.00% | +90+16.7% | AddedConverted for a 10-for-1 split |
| CWM, LLC | 630 | $52.0K | 0.00% | −5,670−90.0% | ReducedConverted for a 10-for-1 split |
| Creative Financial Designs Inc | 550 | $46.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Jackson, Grant Investment Advisers, Inc. | 530 | $44.0K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Harbor Investment Advisory, LLC | 500 | $41.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| CVA Family Office, LLC | 480 | $40.0K | 0.01% | +480 | New |
| Plante Moran Financial Advisors, LLC | 430 | $36.0K | 0.01% | −230−34.8% | ReducedConverted for a 10-for-1 split |
| Arkadios Wealth Advisors | 420 | $34.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Castleview Partners, LLC | 400 | $33.0K | 0.01% | +400 | New |
| McIlrath & Eck, LLC | 380 | $31.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| PNC Managed Account Solutions, Inc. | 360 | $30.0K | 0.01% | +360 | New |
| Jacobi Capital Management LLC | 350 | $29.0K | 0.00% | +70+25.0% | AddedConverted for a 10-for-1 split |
| Sugarloaf Wealth Management, LLC | 320 | $27.0K | 0.01% | +80+33.3% | AddedConverted for a 10-for-1 split |
| Strategic Blueprint, LLC | 320 | $27.0K | 0.00% | +320 | New |
| Reilly Financial Advisors, LLC | 300 | $25.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Stephenson National Bank & Trust | 260 | $22.0K | 0.01% | −20−7.1% | ReducedConverted for a 10-for-1 split |
| FourThought Financial, LLC | 250 | $20.0K | 0.00% | +110+78.6% | AddedConverted for a 10-for-1 split |
| Red Door Wealth Management, LLC | 240 | $19.0K | 0.01% | +240 | New |
| Earnest Partners LLC | 220 | $18.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Harding Loevner LP | 220 | $18.0K | 0.00% | +220 | New |
| GW&K Investment Management, LLC | 200 | $17.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Lindbrook Capital, LLC | 210 | $17.0K | 0.00% | +20+10.5% | AddedConverted for a 10-for-1 split |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 200 | $16.6K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Meeder Asset Management Inc | 180 | $15.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| TCI Wealth Advisors, Inc. | 180 | $15.0K | 0.00% | +90+100.0% | AddedConverted for a 10-for-1 split |
| Migdal Insurance & Financial Holdings Ltd. | 170 | $14.0K | 0.00% | −230−57.5% | ReducedConverted for a 10-for-1 split |
| Smithfield Trust Co | 170 | $14.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Concord Wealth Partners | 150 | $12.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Tower View Investment Management & Research LLC | 100 | $8.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Orion Capital Management LLC | 100 | $8.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| West Branch Capital LLC | 100 | $8.00K | 0.00% | +100 | New |
| Simon Quick Advisors, LLC | 90 | $7.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| BI Asset Management Fondsmaeglerselskab A/S | 90 | $7.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Steward Partners Investment Advisory, LLC | 90 | $7.00K | 0.00% | +60+200.0% | AddedConverted for a 10-for-1 split |
| Parisi Gray Wealth Management | 90 | $7.00K | 0.00% | +90 | New |
| Activest Wealth Management | 80 | $7.00K | 0.01% | +80 | New |
| Heritage Wealth Advisors | 80 | $6.63K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Investors Research Corp | 70 | $6.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Rockbridge Investment Management, LCC | 70 | $6.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Mizuho Securities Co. Ltd. | 70 | $6.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| BerganKDV Wealth Management, LLC | 60 | $5.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Washington Trust Co | 60 | $5.00K | 0.00% | +20+50.0% | AddedConverted for a 10-for-1 split |
| Liberty Wealth Management LLC | 60 | $5.00K | 0.00% | +20+50.0% | AddedConverted for a 10-for-1 split |
| Whittier Trust Co of Nevada Inc | 47 | $4.00K | 0.00% | −423−90.0% | ReducedConverted for a 10-for-1 split |
| Bellevue Asset Management, LLC | 50 | $4.00K | 0.00% | +20+66.7% | AddedConverted for a 10-for-1 split |
| Perkins Coie Trust Co | 50 | $4.00K | 0.00% | +50 | New |
| GPS Wealth Strategies Group, LLC | 50 | $4.00K | 0.00% | +50 | New |
| Selective Wealth Management, Inc. | 50 | $4.00K | 0.00% | +50 | New |
| Raffa Wealth Management, LLC | 40 | $3.31K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Baystate Wealth Management LLC | 40 | $3.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| HighMark Wealth Management LLC | 40 | $3.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Glassman Wealth Services | 33 | $3.00K | 0.00% | +3+10.0% | AddedConverted for a 10-for-1 split |
| Manchester Capital Management LLC | 33 | $3.00K | 0.00% | +33 | New |
| Salem Investment Counselors Inc | 20 | $2.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Assetmark, Inc | 30 | $2.00K | 0.00% | +10+50.0% | AddedConverted for a 10-for-1 split |
| Stonebridge Capital Advisors LLC | 30 | $2.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Prestige Wealth Management Group LLC | 30 | $2.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Newbridge Financial Services Group, Inc. | 30 | $2.00K | 0.00% | +20+200.0% | AddedConverted for a 10-for-1 split |
| True Link Financial Advisors, LLC | 20 | $2.00K | 0.00% | +20 | New |
| Exane Derivatives | 20 | $1.71K | 0.00% | −30−60.0% | ReducedConverted for a 10-for-1 split |