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, Q4 2024
Institutional positions in Costar Group, Inc. as of Dec 31, 2024. 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
- 805
- +47 vs. Q3 2024
- Shares held
- 403.4M
- +7.24M (+1.8%) vs. Q3 2024
- Total value
- $28.9B
- −$1.01B (−3.4%) vs. Q3 2024
- New holders
- 144
- 296 more added
- Sold out
- 97
- 277 more reduced
15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 17,031,876 | $1.22B | 0.05% | −27,868−0.2% | Reduced |
| Principal Financial Group Inc | 19,186,275 | $1.37B | 0.75% | −201,244−1.0% | Reduced |
| Bamco Inc | 19,203,564 | $1.37B | 3.55% | +418,128+2.2% | Added |
| BlackRock, Inc. | 38,115,694 | $2.73B | 0.06% | −770,199−2.0% | Reduced |
| Vanguard Group Inc | 65,717,391 | $4.70B | 0.08% | −36,929−0.1% | Reduced |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −5,635,481−100.0% | Sold out |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −1,095,929−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −605,624−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −199,355−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −175,180−100.0% | Sold out |
| Hampton Road Capital Management LP | 0 | $0 | 0.00% | −168,178−100.0% | Sold out |
| Mediolanum International Funds Ltd | 0 | $0 | 0.00% | −161,913−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −160,227−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −155,813−100.0% | Sold out |
| Pragma Gestao de Patrimonio Ltd | 0 | $0 | 0.00% | −130,000−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −126,903−100.0% | Sold out |
| Soros Capital Management LLC | 0 | $0 | 0.00% | −93,250−100.0% | Sold out |
| Centersquare Investment Management LLC | 0 | $0 | 0.00% | −84,250−100.0% | Sold out |
| Twin Tree Management, LP | 0 | $0 | 0.00% | −64,576−100.0% | Sold out |
| Generate Investment Management Ltd | 0 | $0 | 0.00% | −62,143−100.0% | Sold out |
| Kingdon Capital Management, L.L.C. | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −58,638−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −49,778−100.0% | Sold out |
| Shaker Investments LLC | 0 | $0 | 0.00% | −47,114−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −46,236−100.0% | Sold out |
| Keystone Investors Pte Ltd | 0 | $0 | 0.00% | −37,324−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −33,300−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −30,916−100.0% | Sold out |
| Flossbach Von Storch AG | 0 | $0 | 0.00% | −30,731−100.0% | Sold out |
| Employees Retirement System of Texas | 0 | $0 | 0.00% | −30,072−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −29,500−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −29,266−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −18,164−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −15,425−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −13,390−100.0% | Sold out |
| Roundview Capital LLC | 0 | $0 | 0.00% | −13,255−100.0% | Sold out |
| Veriti Management LLC | 0 | $0 | 0.00% | −13,107−100.0% | Sold out |
| Kentucky Retirement Systems Insurance Trust Fund | 0 | $0 | 0.00% | −12,134−100.0% | Sold out |
| Redwood Investments, LLC | 0 | $0 | 0.00% | −11,579−100.0% | Sold out |
| Quest Investment Management LLC | 0 | $0 | 0.00% | −11,349−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −11,169−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −11,042−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,001−100.0% | Sold out |
| Groupama Asset Managment | 0 | $0 | 0.00% | −11,028−100.0% | Sold out |
| nVerses Capital, LLC | 0 | $0 | 0.00% | −8,400−100.0% | Sold out |
| Kingswood Wealth Advisors, LLC | 0 | $0 | 0.00% | −7,730−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −7,567−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −6,584−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −6,559−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −6,481−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| International Assets Investment Management, LLC | 0 | $0 | 0.00% | −32,892−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −5,746−100.0% | Sold out |
| 17 Capital Partners, LLC | 0 | $0 | 0.00% | −5,518−100.0% | Sold out |
| AXS Investments LLC | 0 | $0 | 0.00% | −5,379−100.0% | Sold out |
| Plum Street Advisors, LLC | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −4,156−100.0% | Sold out |
| Credit Capital Investments LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −3,960−100.0% | Sold out |
| Beacon Pointe Advisors, LLC | 0 | $0 | 0.00% | −3,749−100.0% | Sold out |
| Fiduciary Group LLC | 0 | $0 | 0.00% | −3,696−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −3,688−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −3,406−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −3,310−100.0% | Sold out |
| Meeder Advisory Services, Inc. | 0 | $0 | 0.00% | −3,274−100.0% | Sold out |
| Morningstar Investment Services LLC | 0 | $0 | 0.00% | −3,123−100.0% | Sold out |
| Courier Capital LLC | 0 | $0 | 0.00% | −3,032−100.0% | Sold out |
| Accredited Investors Inc. | 0 | $0 | 0.00% | −2,960−100.0% | Sold out |
| CAPROCK Group, Inc. | 0 | $0 | 0.00% | −2,892−100.0% | Sold out |
| Motco | 0 | $0 | 0.00% | −2,808−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −2,795−100.0% | Sold out |
| FineMark National Bank & Trust | 0 | $0 | 0.00% | −2,750−100.0% | Sold out |
| KCM Investment Advisors LLC | 0 | $0 | 0.00% | −2,720−100.0% | Sold out |
| Alta Advisers Ltd | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Tobam | 0 | $0 | 0.00% | −1,287−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −1,219−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −902−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −761−100.0% | Sold out |
| Ashton Thomas Securities, LLC | 0 | $0 | 0.00% | −527−100.0% | Sold out |
| Western Pacific Wealth Management, LP | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Cromwell Holdings LLC | 0 | $0 | 0.00% | −341−100.0% | Sold out |
| Operose Advisors LLC | 0 | $0 | 0.00% | −334−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −294−100.0% | Sold out |
| American National Bank | 0 | $0 | 0.00% | −283−100.0% | Sold out |
| Dynamic Wealth Strategies, LLC | 0 | $0 | 0.00% | −210−100.0% | Sold out |
| Avalon Trust Co | 0 | $0 | 0.00% | −153−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −143−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Itau Unibanco Holding S.A. | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Fairman Group, LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| Baldwin Brothers Inc | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Arlington Trust Co LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Liberty One Investment Management, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Mendota Financial Group, LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Pacific Capital Wealth Advisors, Inc | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Claris Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| JDM Financial Group LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Voisard Asset Management Group, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| WestEnd Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |