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 2023
Institutional positions in Costar Group, Inc. as of Dec 31, 2023. 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
- 737
- +55 vs. Q3 2023
- Shares held
- 394.1M
- +2.25M (+0.6%) vs. Q3 2023
- Total value
- $34.4B
- +$4.26B (+14.1%) vs. Q3 2023
- New holders
- 105
- 283 more added
- Sold out
- 50
- 261 more reduced
8 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bares Capital Management, Inc. | 1,975,195 | $172.6M | 6.77% | −89,910−4.4% | Reduced |
| DF Dent & Co Inc | 1,977,262 | $172.8M | 2.29% | −60,292−3.0% | Reduced |
| Federated Hermes, Inc. | 2,114,971 | $184.8M | 0.46% | −127,867−5.7% | Reduced |
| Mackenzie Financial Corp | 2,143,281 | $187.3M | 0.28% | −7900.0% | Reduced |
| Legal & General Group Plc | 2,227,012 | $194.6M | 0.06% | +6,292+0.3% | Added |
| American Century Companies Inc | 2,377,312 | $207.8M | 0.14% | −251,048−9.6% | Reduced |
| Capital Research Global Investors | 2,414,313 | $211.0M | 0.05% | +796,386+49.2% | Added |
| Charles Schwab Investment Management Inc | 2,458,251 | $214.8M | 0.05% | +71,891+3.0% | Added |
| Riverbridge Partners LLC | 2,466,897 | $215.6M | 2.69% | −45,909−1.8% | Reduced |
| Ownership Capital B.V. | 2,577,106 | $225.2M | 5.02% | −378,598−12.8% | Reduced |
| Wellington Management Group LLP | 2,830,699 | $247.4M | 0.05% | −749,850−20.9% | Reduced |
| Morgan Stanley | 2,864,665 | $250.3M | 0.02% | +484,438+20.4% | Added |
| Ameriprise Financial Inc | 2,951,255 | $257.9M | 0.08% | −137,338−4.4% | Reduced |
| Goldman Sachs Group Inc | 3,001,818 | $262.3M | 0.06% | +630,141+26.6% | Added |
| Farallon Capital Management, L.L.C. | 3,121,356 | $272.8M | 1.71% | +334,500+12.0% | Added |
| Northern Trust Corp | 3,718,387 | $324.9M | 0.06% | −116,739−3.0% | Reduced |
| Invesco Ltd. | 3,924,316 | $342.9M | 0.08% | +242,346+6.6% | Added |
| Bank of America Corp | 4,021,686 | $351.5M | 0.04% | +73,655+1.9% | Added |
| Capital International Investors | 4,036,609 | $352.8M | 0.08% | +982,837+32.2% | Added |
| Brown Advisory Inc | 4,144,721 | $362.2M | 0.51% | +380,859+10.1% | Added |
| Blair William & Co | 4,392,978 | $383.9M | 1.31% | +201,969+4.8% | Added |
| Norges Bank | 4,656,533 | $406.9M | 0.07% | +130,734+2.9% | Added |
| Artisan Partners Limited Partnership | 5,138,004 | $449.0M | 0.70% | −431,714−7.8% | Reduced |
| Sands Capital Management, LLC | 5,620,801 | $491.2M | 1.49% | −2,310,039−29.1% | Reduced |
| Bank of New York Mellon Corp | 6,158,646 | $538.2M | 0.11% | +630,548+11.4% | Added |
| T. Rowe Price Investment Management, Inc. | 6,745,035 | $589.4M | 0.38% | −924,235−12.1% | Reduced |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 7,255,669 | $634.1M | 5.34% | +6,443+0.1% | Added |
| Macquarie Group Ltd | 8,821,063 | $770.9M | 0.89% | −86,040−1.0% | Reduced |
| Baillie Gifford & Co | 9,524,096 | $832.3M | 0.66% | −2,114,502−18.2% | Reduced |
| Janus Henderson Group PLC | 10,034,463 | $876.9M | 0.52% | +1,050,656+11.7% | Added |
| Geode Capital Management, LLC | 10,450,445 | $911.2M | 0.10% | +178,942+1.7% | Added |
| Massachusetts Financial Services Co | 11,826,704 | $1.03B | 0.33% | −140,336−1.2% | Reduced |
| State Street Corp | 15,816,290 | $1.38B | 0.07% | +871,783+5.8% | Added |
| Bamco Inc | 19,391,283 | $1.69B | 4.51% | +194,781+1.0% | Added |
| Principal Financial Group Inc | 19,805,733 | $1.73B | 1.10% | −2,5730.0% | Reduced |
| BlackRock Inc. | 36,527,891 | $3.19B | 0.08% | +3,352,400+10.1% | Added |
| Vanguard Group Inc | 64,909,799 | $5.67B | 0.12% | +7900.0% | Added |
| Echo Street Capital Management LLC | 0 | $0 | 0.00% | −2,284,662−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −57,875−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −52,668−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −41,719−100.0% | Sold out |
| George Kaiser Family Foundation | 0 | $0 | 0.00% | −27,182−100.0% | Sold out |
| Select Equity Group, L.P. | 0 | $0 | 0.00% | −21,105−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −20,536−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −18,949−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −17,934−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −15,572−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −15,489−100.0% | Sold out |
| Twin Capital Management Inc | 0 | $0 | 0.00% | −14,613−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −12,203−100.0% | Sold out |
| Old Mission Capital LLC | 0 | $0 | 0.00% | −10,318−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −8,432−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −7,881−100.0% | Sold out |
| Sepio Capital, LP | 0 | $0 | 0.00% | −7,120−100.0% | Sold out |
| Synovus Financial Corp | 0 | $0 | 0.00% | −6,212−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −5,987−100.0% | Sold out |
| Oversea-Chinese Banking CORP Ltd | 0 | $0 | 0.00% | −5,964−100.0% | Sold out |
| Fund Management at Engine No. 1 LLC | 0 | $0 | 0.00% | −5,843−100.0% | Sold out |
| Great Valley Advisor Group, Inc. | 0 | $0 | 0.00% | −5,784−100.0% | Sold out |
| Coronation Fund Managers Ltd. | 0 | $0 | 0.00% | −4,621−100.0% | Sold out |
| Garda Capital Partners LP | 0 | $0 | 0.00% | −3,817−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −3,718−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,568−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −3,531−100.0% | Sold out |
| Summit Trail Advisors, LLC | 0 | $0 | 0.00% | −2,831−100.0% | Sold out |
| EFG Asset Management (Americas) Corp. | 0 | $0 | 0.00% | −2,778−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −2,796−100.0% | Sold out |
| Dorsey & Whitney Trust CO LLC | 0 | $0 | 0.00% | −2,751−100.0% | Sold out |
| Himension Fund | 0 | $0 | 0.00% | −2,709−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,649−100.0% | Sold out |
| Banque Cantonale Vaudoise | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Cary Street Partner Investment Advisory LLC | 0 | $0 | 0.00% | −2,304−100.0% | Sold out |
| Skylands Capital, LLC | 0 | $0 | 0.00% | −2,300−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −908−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −360−100.0% | Sold out |
| Baker Avenue Asset Management, LP | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Washington Trust Co | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| Northwest Investment Counselors, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Oliver Lagore Vanvalin Investment Group | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Stonebridge Capital Advisors LLC | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| Earnest Partners LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Perkins Coie Trust Co | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Glass Jacobson Investment Advisors llc | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| North Star Investment Management Corp. | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| First Republic Investment Management, Inc. | – | – | – | – | Not filed |
| Pathstone Family Office, LLC | – | – | – | – | Not filed |
| Icon Wealth Partners, LLC | – | – | – | – | Not filed |
| Advisor Partners II, LLC | – | – | – | – | Not filed |
| Column Capital Advisors, LLC | – | – | – | – | Not filed |
| KB Financial Partners, LLC | – | – | – | – | Not filed |
| Steward Financial Group LLC | – | – | – | – | Not filed |
| Sutton Wealth Advisors Inc. | – | – | – | – | Not filed |