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 |
|---|---|---|---|---|---|
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 8 | $0 | 0.00% | +8 | New |
| Kelly Financial Services LLC | 49,692 | $600 | 0.02% | +49,592+49,592.0% | AddedConverted for a 10-for-1 split |
| Patriot Financial Group Insurance Agency, LLC | 10 | $1.00K | 0.00% | −20−66.7% | ReducedConverted for a 10-for-1 split |
| HC Financial Advisors Inc | 10 | $1.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Enterprise Financial Services Corp | 10 | $1.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Versant Capital Management, Inc | 10 | $1.00K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Global Trust Asset Management, LLC | 10 | $1.00K | 0.00% | +10 | New |
| Exane Derivatives | 20 | $1.71K | 0.00% | −30−60.0% | ReducedConverted for a 10-for-1 split |
| 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 |
| 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 |
| Raffa Wealth Management, LLC | 40 | $3.31K | 0.00% | 00.0% | UnchangedConverted 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 |
| 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 |
| 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 |
| Heritage Wealth Advisors | 80 | $6.63K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| 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 |
| 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 |
| Concord Wealth Partners | 150 | $12.0K | 0.00% | 00.0% | UnchangedConverted 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 |
| 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 |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 200 | $16.6K | 0.02% | 00.0% | UnchangedConverted for a 10-for-1 split |
| 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 |
| 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 |
| Red Door Wealth Management, LLC | 240 | $19.0K | 0.01% | +240 | New |
| FourThought Financial, LLC | 250 | $20.0K | 0.00% | +110+78.6% | AddedConverted 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 |
| Reilly Financial Advisors, LLC | 300 | $25.0K | 0.00% | 00.0% | UnchangedConverted 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 |
| Jacobi Capital Management LLC | 350 | $29.0K | 0.00% | +70+25.0% | AddedConverted for a 10-for-1 split |
| PNC Managed Account Solutions, Inc. | 360 | $30.0K | 0.01% | +360 | New |
| McIlrath & Eck, LLC | 380 | $31.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Castleview Partners, LLC | 400 | $33.0K | 0.01% | +400 | New |
| Arkadios Wealth Advisors | 420 | $34.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Plante Moran Financial Advisors, LLC | 430 | $36.0K | 0.01% | −230−34.8% | ReducedConverted for a 10-for-1 split |
| CVA Family Office, LLC | 480 | $40.0K | 0.01% | +480 | New |
| Harbor Investment Advisory, LLC | 500 | $41.0K | 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 |
| Creative Financial Designs Inc | 550 | $46.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| CWM, LLC | 630 | $52.0K | 0.00% | −5,670−90.0% | ReducedConverted for a 10-for-1 split |
| Bessemer Group Inc | 630 | $53.0K | 0.00% | +90+16.7% | AddedConverted 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 |
| Lenox Wealth Advisors, LLC | 700 | $58.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Evoke Wealth, LLC | 710 | $59.0K | 0.00% | 00.0% | UnchangedConverted 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 |
| Healthcare of Ontario Pension Plan Trust Fund | 780 | $65.0K | 0.00% | −15,590−95.2% | 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 |
| IFP Advisors, Inc | 945 | $79.0K | 0.00% | −285−23.2% | ReducedConverted 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 |
| Berman Capital Advisors, LLC | 1,050 | $86.0K | 0.01% | +150+16.7% | 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 |
| Barrett Asset Management, LLC | 1,140 | $94.0K | 0.00% | +20+1.8% | 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 |
| Lloyd Advisory Services, LLC. | 1,230 | $102.0K | 0.05% | +400+48.2% | AddedConverted for a 10-for-1 split |
| Advisory Services Network, LLC | 1,250 | $103.0K | 0.00% | +1,250 | New |
| Tobam | 1,340 | $111.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Signaturefd, LLC | 1,460 | $121.0K | 0.00% | +260+21.7% | AddedConverted 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 |
| Ancora Advisors, LLC | 1,570 | $130.0K | 0.00% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Delta Asset Management LLC | 1,760 | $146.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Monumental Financial Group Inc. | 1,790 | $148.0K | 0.13% | +1,790 | New |
| 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 |
| Capco Asset Management, LLC | 1,900 | $157.0K | 0.05% | 00.0% | UnchangedConverted for a 10-for-1 split |
| SRS Capital Advisors, Inc. | 1,930 | $160.0K | 0.02% | +1,930 | New |
| KB Financial Partners, LLC | 1,951 | $162.0K | 0.06% | +281+16.8% | AddedConverted for a 10-for-1 split |
| CenterStar Asset Management, LLC | – | $167.0K | 0.18% | – | New |
| Parkside Financial Bank & Trust | 2,120 | $175.0K | 0.05% | +30+1.4% | 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 |
| Whittier Trust Co | 2,280 | $189.0K | 0.00% | +280+14.0% | AddedConverted 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 |
| Hennion & Walsh Asset Management, Inc. | 2,510 | $208.0K | 0.01% | 00.0% | UnchangedConverted for a 10-for-1 split |
| Castleark Management LLC | 2,550 | $211.0K | 0.01% | 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 |