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 2021
Institutional positions in Costar Group, Inc. as of Sep 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
- 594
- −8 vs. Q2 2021
- Shares held
- 375.4M
- +407.8K (+0.1%) vs. Q2 2021
- Total value
- $32.3B
- +$1.24B (+4.0%) vs. Q2 2021
- New holders
- 66
- 239 more added
- Sold out
- 74
- 199 more reduced
5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Engle Capital Management, L.P. | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −151,360−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −96,037−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −93,182−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −87,941−100.0% | Sold out |
| Stony Point Capital LLC | 0 | $0 | 0.00% | −84,503−100.0% | Sold out |
| Varma Mutual Pension Insurance Co | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −63,465−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −59,090−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −42,420−100.0% | Sold out |
| Lee Capital Holdings LLC | 0 | $0 | 0.00% | −38,550−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −34,654−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −29,364−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −26,653−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −25,655−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −24,552−100.0% | Sold out |
| Pearl River Capital, LLC | 0 | $0 | 0.00% | −24,409−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −15,700−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −15,481−100.0% | Sold out |
| Oribel Capital Management, LP | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −12,262−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −11,994−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −11,604−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −11,001−100.0% | Sold out |
| Full18 Capital LLC | 0 | $0 | 0.00% | −10,310−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −10,035−100.0% | Sold out |
| BP PLC | 0 | $0 | 0.00% | −9,370−100.0% | Sold out |
| Fulton Breakefield Broenniman LLC | 0 | $0 | 0.00% | −8,710−100.0% | Sold out |
| Nishkama Capital, LLC | 0 | $0 | 0.00% | −8,440−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −7,964−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −6,966−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −6,623−100.0% | Sold out |
| Standard Family Office LLC | 0 | $0 | 0.00% | −6,330−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −5,771−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −5,360−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −4,930−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −4,908−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −4,470−100.0% | Sold out |
| Wills Financial Group, Inc. | 0 | $0 | 0.00% | −4,290−100.0% | Sold out |
| Enlightenment Research, LLC | 0 | $0 | 0.00% | −3,700−100.0% | Sold out |
| Weld Capital Management LLC | 0 | $0 | 0.00% | −3,609−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −3,310−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −3,291−100.0% | Sold out |
| NuWave Investment Management, LLC | 0 | $0 | 0.00% | −3,266−100.0% | Sold out |
| Tuttle Tactical Management | 0 | $0 | 0.00% | −3,083−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −2,930−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −2,855−100.0% | Sold out |
| Mainstay Capital Management LLC | 0 | $0 | 0.00% | −2,850−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −2,725−100.0% | Sold out |
| Security National Bank of Sioux City Iowa | 0 | $0 | 0.00% | −2,660−100.0% | Sold out |
| First National Bank of Omaha | 0 | $0 | 0.00% | −258−100.0% | Sold out |
| CenterStar Asset Management, LLC | 0 | $0 | 0.00% | – | Sold out |
| Emerald Mutual Fund Advisers Trust | 0 | $0 | 0.00% | −1,860−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −1,860−100.0% | Sold out |
| Monumental Financial Group Inc. | 0 | $0 | 0.00% | −1,790−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −1,250−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −760−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −480−100.0% | Sold out |
| Strategic Blueprint, LLC | 0 | $0 | 0.00% | −320−100.0% | Sold out |
| Red Door Wealth Management, LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| GW&K Investment Management, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Tower View Investment Management & Research LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Parisi Gray Wealth Management | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Badgley Phelps & Bell Inc | – | – | – | – | Not filed |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Castleview Partners, LLC | – | – | – | – | Not filed |
| PNC Managed Account Solutions, Inc. | – | – | – | – | Not filed |