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 $12.3B 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
- 397.7M
- +5.53M (+1.4%) vs. Q3 2023
- Total value
- $34.7B
- +$4.55B (+15.1%) vs. Q3 2023
- New holders
- 105
- 282 more added
- Sold out
- 50
- 262 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 | $12.3B |
| Q1 2026 | 797 | $16.8B |
| Q4 2025 | 847 | $28.6B |
| Q3 2025 | 905 | $35.1B |
| Q2 2025 | 873 | $34.3B |
| Q1 2025 | 858 | $34.0B |
| Q4 2024 | 805 | $29.3B |
| Q3 2024 | 773 | $30.2B |
| Q2 2024 | 767 | $29.4B |
| Q1 2024 | 767 | $40.1B |
| Q4 2023 | 737 | $34.7B |
| Q3 2023 | 690 | $30.1B |
| Q2 2023 | 714 | $35.6B |
| Q1 2023 | 692 | $27.0B |
| Q4 2022 | 704 | $30.5B |
| Q3 2022 | 634 | $29.1B |
| Q2 2022 | 591 | $23.2B |
| Q1 2022 | 589 | $25.2B |
| Q4 2021 | 633 | $30.2B |
| 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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 64,909,799 | $5.67B | 0.12% | +7900.0% | Added |
| BlackRock Inc. | 36,527,891 | $3.19B | 0.08% | +3,352,400+10.1% | Added |
| Principal Financial Group Inc | 19,805,733 | $1.73B | 1.10% | −2,5730.0% | Reduced |
| Bamco Inc | 19,391,283 | $1.69B | 4.51% | +194,781+1.0% | Added |
| State Street Corp | 15,816,290 | $1.38B | 0.07% | +871,783+5.8% | Added |
| Massachusetts Financial Services Co | 11,826,704 | $1.03B | 0.33% | −140,336−1.2% | Reduced |
| Geode Capital Management, LLC | 10,450,445 | $911.2M | 0.10% | +178,942+1.7% | Added |
| Janus Henderson Group PLC | 10,034,463 | $876.9M | 0.52% | +1,050,656+11.7% | Added |
| Baillie Gifford & Co | 9,524,096 | $832.3M | 0.66% | −2,114,502−18.2% | Reduced |
| Macquarie Group Ltd | 8,821,063 | $770.9M | 0.89% | −86,040−1.0% | Reduced |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 7,255,669 | $634.1M | 5.34% | +6,443+0.1% | Added |
| T. Rowe Price Investment Management, Inc. | 6,745,035 | $589.4M | 0.38% | −924,235−12.1% | Reduced |
| Bank of New York Mellon Corp | 6,158,646 | $538.2M | 0.11% | +630,548+11.4% | Added |
| Morgan Stanley | 5,729,330 | $500.7M | 0.02% | +3,349,103+140.7% | Added |
| Sands Capital Management, LLC | 5,620,801 | $491.2M | 1.49% | −2,310,039−29.1% | Reduced |
| Artisan Partners Limited Partnership | 5,138,004 | $449.0M | 0.70% | −431,714−7.8% | Reduced |
| Norges Bank | 4,656,533 | $406.9M | 0.07% | +130,734+2.9% | Added |
| Blair William & Co | 4,392,978 | $383.9M | 1.31% | +201,969+4.8% | Added |
| Brown Advisory Inc | 4,144,721 | $362.2M | 0.51% | +380,859+10.1% | Added |
| Capital International Investors | 4,036,609 | $352.8M | 0.08% | +982,837+32.2% | Added |
| Bank of America Corp | 4,021,686 | $351.5M | 0.04% | +73,655+1.9% | Added |
| Invesco Ltd. | 3,924,316 | $342.9M | 0.08% | +242,346+6.6% | Added |
| Northern Trust Corp | 3,718,387 | $324.9M | 0.06% | −116,739−3.0% | Reduced |
| Farallon Capital Management, L.L.C. | 3,121,356 | $272.8M | 1.71% | +334,500+12.0% | Added |
| Goldman Sachs Group Inc | 3,001,818 | $262.3M | 0.06% | +630,141+26.6% | Added |
| Ameriprise Financial Inc | 2,951,255 | $257.9M | 0.08% | −137,338−4.4% | Reduced |
| Wellington Management Group LLP | 2,830,699 | $247.4M | 0.05% | −749,850−20.9% | Reduced |
| Ownership Capital B.V. | 2,577,106 | $225.2M | 5.02% | −378,598−12.8% | Reduced |
| Riverbridge Partners LLC | 2,466,897 | $215.6M | 2.69% | −45,909−1.8% | Reduced |
| Charles Schwab Investment Management Inc | 2,458,251 | $214.8M | 0.05% | +71,891+3.0% | Added |
| Capital Research Global Investors | 2,414,313 | $211.0M | 0.05% | +796,386+49.2% | Added |
| American Century Companies Inc | 2,377,312 | $207.8M | 0.14% | −251,048−9.6% | Reduced |
| Legal & General Group Plc | 2,227,012 | $194.6M | 0.06% | +6,292+0.3% | Added |
| Mackenzie Financial Corp | 2,143,281 | $187.3M | 0.28% | −7900.0% | Reduced |
| Federated Hermes, Inc. | 2,114,971 | $184.8M | 0.46% | −127,867−5.7% | Reduced |
| DF Dent & Co Inc | 1,977,262 | $172.8M | 2.29% | −60,292−3.0% | Reduced |
| Bares Capital Management, Inc. | 1,975,195 | $172.6M | 6.77% | −89,910−4.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,960,022 | $171.3M | 0.48% | +144,506+8.0% | Added |
| Envestnet Asset Management Inc | 1,817,818 | $158.9M | 0.07% | +42,004+2.4% | Added |
| Harding Loevner LP | 1,731,445 | $151.1M | 0.85% | −28,301−1.6% | Reduced |
| William Blair Investment Management, LLC | 1,678,036 | $146.6M | 0.43% | +66,306+4.1% | Added |
| Vulcan Value Partners, LLC | 1,600,687 | $139.7M | 2.05% | −122,383−7.1% | Reduced |
| RGM Capital, LLC | 1,592,626 | $139.2M | 5.70% | +39,994+2.6% | Added |
| FMR LLC | 1,585,222 | $138.5M | 0.01% | +179,808+12.8% | Added |
| Price T Rowe Associates Inc | 1,568,900 | $137.1M | 0.02% | −20,078−1.3% | Reduced |
| Ensign Peak Advisors, Inc | 1,561,876 | $136.5M | 0.27% | −212,038−12.0% | Reduced |
| UBS Asset Management Americas Inc | 1,492,573 | $130.4M | 0.05% | +100,368+7.2% | Added |
| Barclays PLC | 1,414,413 | $123.6M | 0.06% | +487,156+52.5% | Added |
| Franklin Resources Inc | 1,401,139 | $122.4M | 0.06% | +29,737+2.2% | Added |
| Westfield Capital Management Co LP | 1,398,896 | $122.2M | 0.71% | +731,375+109.6% | Added |
| Dimensional Fund Advisors LP | 1,320,016 | $115.4M | 0.03% | +62,928+5.0% | Added |
| JPMorgan Chase & Co | 1,279,892 | $111.8M | 0.01% | +347,339+37.2% | Added |
| Swiss National Bank | 1,276,900 | $111.6M | 0.08% | −37,200−2.8% | Reduced |
| Nuveen Asset Management, LLC | 1,163,123 | $101.6M | 0.03% | −52,460−4.3% | Reduced |
| SEI Investments Co | 1,147,447 | $100.3M | 0.16% | −26,102−2.2% | Reduced |
| Baird Financial Group, Inc. | 1,147,389 | $100.3M | 0.23% | +283,927+32.9% | Added |
| Putnam Investments LLC | 1,134,823 | $99.2M | 0.13% | +114,550+11.2% | Added |
| CIBC Private Wealth Group, LLC | 1,072,575 | $93.7M | 0.20% | −159,683−13.0% | Reduced |
| Eagle Asset Management Inc | 1,067,431 | $93.3M | 0.50% | +4100.0% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 1,046,965 | $91.5M | 0.23% | +17,038+1.7% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,018,017 | $89.0M | 0.07% | −956−0.1% | Reduced |
| National Pension Service | 937,445 | $81.9M | 0.11% | +27,388+3.0% | Added |
| UBS Group AG | 924,743 | $80.8M | 0.03% | +170,596+22.6% | Added |
| Deutsche Bank AG | 922,944 | $80.7M | 0.04% | +183,219+24.8% | Added |
| Chicago Capital, LLC | 914,798 | $79.9M | 2.88% | −3,085−0.3% | Reduced |
| Pictet Asset Management Holding SA | 911,183 | $79.6M | 0.09% | −13,597−1.5% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 876,500 | $76.6M | 4.04% | −70,500−7.4% | Reduced |
| Rathbone Brothers plc | 835,990 | $73.1M | 0.47% | −2,284−0.3% | Reduced |
| Royal Bank of Canada | 830,347 | $72.6M | 0.02% | +104,337+14.4% | Added |
| American Capital Management Inc | 820,097 | $71.7M | 2.45% | −13,225−1.6% | Reduced |
| Beck Mack & Oliver LLC | 774,010 | $67.6M | 1.57% | −8,895−1.1% | Reduced |
| Rhumbline Advisers | 773,373 | $67.6M | 0.07% | −9,256−1.2% | Reduced |
| Wells Fargo & Company | 771,915 | $67.5M | 0.02% | −12,291−1.6% | Reduced |
| Victory Capital Management Inc | 767,602 | $67.1M | 0.07% | −283,262−27.0% | Reduced |
| TimesSquare Capital Management, LLC | 740,641 | $64.7M | 0.95% | −121,195−14.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 737,720 | $64.5M | 0.15% | −82,928−10.1% | Reduced |
| Ci Investments Inc. | 730,635 | $63.9M | 0.33% | −132,000−15.3% | Reduced |
| California Public Employees Retirement System | 728,286 | $63.6M | 0.05% | −28,089−3.7% | Reduced |
| Granahan Investment Management Inc | 712,084 | $62.2M | 2.06% | −53,050−6.9% | Reduced |
| Amundi | 724,957 | $60.7M | 0.03% | +325,802+81.6% | Added |
| STRS Ohio | 670,000 | $58.6M | 0.24% | −85,500−11.3% | Reduced |
| Spyglass Capital Management LLC | 657,797 | $57.5M | 4.14% | +657,797 | New |
| California State Teachers Retirement System | 650,178 | $56.8M | 0.08% | +14,025+2.2% | Added |
| TD Asset Management Inc | 648,788 | $56.7M | 0.06% | −39,976−5.8% | Reduced |
| Peregrine Capital Management LLC | 630,496 | $55.1M | 1.66% | −23,922−3.7% | Reduced |
| Raymond James & Associates | 627,021 | $54.8M | 0.04% | +25,260+4.2% | Added |
| Twinbeech Capital LP | 618,101 | $54.0M | 0.87% | +618,101 | New |
| Citigroup Inc | 605,424 | $52.9M | 0.07% | +38,143+6.7% | Added |
| HSBC Holdings PLC | 587,186 | $51.3M | 0.05% | +17,387+3.1% | Added |
| Stephens Investment Management Group LLC | 536,022 | $46.8M | 0.68% | −10,836−2.0% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 556,495 | $46.1M | 0.08% | +22,138+4.1% | Added |
| Clearbridge Investments, LLC | 521,039 | $45.5M | 0.04% | −10,120−1.9% | Reduced |
| Bank of Montreal | 502,920 | $44.3M | 0.01% | +185,880+58.6% | Added |
| Quantum Capital Management, LLC | 496,547 | $43.4M | 5.11% | −57,982−10.5% | Reduced |
| Alliancebernstein L.P. | 484,244 | $42.3M | 0.02% | +3,331+0.7% | Added |
| Credit Suisse AG | 467,130 | $40.8M | 0.04% | +12,717+2.8% | Added |
| New York State Common Retirement Fund | 466,801 | $40.8M | 0.06% | −39,131−7.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 459,693 | $40.2M | 0.07% | −491,117−51.7% | Reduced |
| Natixis Advisors, L.P. | 459,416 | $40.1M | 0.11% | +45,228+10.9% | Added |
| Geneva Capital Management LLC | 459,017 | $40.1M | 0.76% | −2,788−0.6% | Reduced |