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 |
|---|---|---|---|---|---|
| Quantum Capital Management, LLC | 372,466 | $32.1M | 3.92% | +750.0% | Added |
| LMR Partners LLP | 367,530 | $31.6M | 0.44% | 00.0% | Unchanged |
| Invesco Ltd. | 364,538 | $31.4M | 0.01% | −1,202,125−76.7% | Reduced |
| UBS Group AG | 360,467 | $31.0M | 0.01% | +116,621+47.8% | Added |
| Rhumbline Advisers | 357,909 | $30.8M | 0.04% | −8,531−2.3% | Reduced |
| Stifel Financial Corp | 357,891 | $30.8M | 0.05% | −39,515−9.9% | Reduced |
| Ycg, LLC | 352,673 | $30.4M | 2.86% | +112,721+47.0% | Added |
| Barclays PLC | 340,228 | $29.3M | 0.02% | −223,169−39.6% | Reduced |
| FIL Ltd | 334,128 | $28.8M | 0.03% | −22,602−6.3% | Reduced |
| Assenagon Asset Management S.A. | 331,579 | $28.5M | 0.12% | +331,579 | New |
| Nissay Asset Management Corp | 321,572 | $27.7M | 0.23% | +19,892+6.6% | Added |
| Royal London Asset Management Ltd | 307,072 | $26.4M | 0.11% | −4,458−1.4% | Reduced |
| Asset Management One Co.,Ltd. | 301,670 | $26.0M | 0.10% | −2,424−0.8% | Reduced |
| Sandhill Capital Partners LLC | 296,103 | $25.5M | 2.04% | +4,401+1.5% | Added |
| Russell Investments Group, Ltd. | 294,825 | $25.3M | 0.04% | −6,873−2.3% | Reduced |
| TCW Group Inc | 291,610 | $25.1M | 0.22% | −5,370−1.8% | Reduced |
| Ashford Capital Management Inc | 289,743 | $24.9M | 2.27% | +8,153+2.9% | Added |
| American Assets Capital Advisers, LLC | 282,849 | $24.3M | 2.91% | +479+0.2% | Added |
| Cooper Investors Pty Ltd | 279,177 | $24.0M | 1.59% | +279,177 | New |
| Great West Life Assurance Co | 277,115 | $24.0M | 0.06% | −9,157−3.2% | Reduced |
| Brown Advisory Inc | 271,364 | $23.4M | 0.03% | +175,004+181.6% | Added |
| Connectus Wealth, LLC | 271,107 | $23.3M | 2.61% | +258,037+1,974.3% | Added |
| Scout Investments, Inc. | 262,728 | $22.6M | 0.34% | +126,011+92.2% | Added |
| AQR Capital Management LLC | 262,071 | $22.5M | 0.04% | −859−0.3% | Reduced |
| Man Group plc | 260,072 | $22.4M | 0.08% | +35,726+15.9% | Added |
| Royal Bank of Canada | 257,504 | $22.2M | 0.01% | +49,549+23.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 255,498 | $22.0M | 0.11% | +5,658+2.3% | Added |
| Ironvine Capital Partners, LLC | 237,556 | $20.4M | 2.17% | +150,304+172.3% | Added |
| State of New Jersey Common Pension Fund D | 229,348 | $19.7M | 0.06% | −1,162−0.5% | Reduced |
| CIBC World Markets Corp | 229,146 | $19.7M | 0.13% | +76,966+50.6% | Added |
| Public Employees Retirement System of Ohio | 220,575 | $19.0M | 0.07% | −4,650−2.1% | Reduced |
| Boston Private Wealth LLC | 218,694 | $18.8M | 0.24% | −226−0.1% | Reduced |
| Alliancebernstein L.P. | 213,635 | $18.4M | 0.01% | −2,785−1.3% | Reduced |
| AE Wealth Management LLC | 207,463 | $17.9M | 0.15% | +22,352+12.1% | Added |
| Canada Pension Plan Investment Board | 206,519 | $17.8M | 0.02% | +63,879+44.8% | Added |
| Oppenheimer Asset Management Inc. | 196,919 | $16.9M | 0.24% | +1,482+0.8% | Added |
| State of Wisconsin Investment Board | 196,628 | $16.9M | 0.04% | +7,652+4.0% | Added |
| Susquehanna International Group, LLP | 188,043 | $16.2M | 0.02% | −127,738−40.5% | Reduced |
| Lakehouse Capital Pty Ltd | 182,583 | $15.7M | 8.88% | +28,633+18.6% | Added |
| Voloridge Investment Management, LLC | 176,119 | $15.2M | 0.10% | −280,635−61.4% | Reduced |
| Picton Mahoney Asset Management | 172,225 | $14.8M | 0.57% | −9,955−5.5% | Reduced |
| Archon Partners LLC | 171,100 | $14.7M | 1.92% | 00.0% | Unchanged |
| Spence Asset Management | 168,825 | $14.5M | 3.86% | +2,249+1.4% | Added |
| Capitolis Advisors LLC | 150,515 | $14.3M | 0.13% | +130,945+669.1% | Added |
| Teachers Retirement System of the State of Kentucky | 165,350 | $14.2M | 0.13% | 00.0% | Unchanged |
| Badgley Phelps Wealth Managers, LLC | 163,165 | $14.0M | 0.51% | +163,165 | New |
| Marsico Capital Management LLC | 162,170 | $14.0M | 0.43% | 00.0% | Unchanged |
| NS Partners Ltd | 160,879 | $13.8M | 0.71% | +1,874+1.2% | Added |
| Erste Asset Management GmbH | 155,300 | $13.4M | 0.26% | −10,010−6.1% | Reduced |
| Congress Asset Management Co | 151,383 | $13.0M | 0.10% | +31,430+26.2% | Added |
| Cobblestone Capital Advisors LLC | 150,045 | $12.9M | 0.88% | +150,045 | New |
| Treasurer of the State of North Carolina | 146,887 | $12.6M | 0.07% | +1,099+0.8% | Added |
| Swedbank AB | 146,710 | $12.6M | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 143,027 | $12.3M | 0.33% | −1,053−0.7% | Reduced |
| JPMorgan Chase & Co | 143,082 | $12.3M | 0.00% | −1,166,118−89.1% | Reduced |
| HSBC Holdings PLC | 141,728 | $12.2M | 0.01% | −60,236−29.8% | Reduced |
| First Trust Advisors LP | 138,161 | $11.9M | 0.01% | +122,461+780.0% | Added |
| 2Xideas AG | 133,977 | $11.5M | 0.88% | +22,167+19.8% | Added |
| KBC Group NV | 131,903 | $11.4M | 0.04% | +5,763+4.6% | Added |
| Natixis Advisors, L.P. | 130,133 | $11.2M | 0.05% | +38,189+41.5% | Added |
| Alberta Investment Management Corp | 126,100 | $10.9M | 0.09% | −343,900−73.2% | Reduced |
| Liontrust Investment Partners LLP | 125,000 | $10.8M | 0.15% | +125,000 | New |
| First Republic Investment Management, Inc. | 124,925 | $10.8M | 0.03% | +7,923+6.8% | Added |
| Shell Asset Management Co | 124,865 | $10.7M | 0.24% | +5,155+4.3% | Added |
| Advisor Group Holdings, Inc. | 124,156 | $10.7M | 0.02% | +6,866+5.9% | Added |
| Gateway Investment Advisers LLC | 123,216 | $10.6M | 0.11% | +460.0% | Added |
| Rice Hall James & Associates, LLC | 120,636 | $10.4M | 0.38% | −8,101−6.3% | Reduced |
| Aviva PLC | 119,719 | $10.3M | 0.05% | −6,208−4.9% | Reduced |
| Alyeska Investment Group, L.P. | 118,917 | $10.2M | 0.13% | −118,853−50.0% | Reduced |
| Vantage Investment Partners, LLC | 117,044 | $10.1M | 0.52% | −27,426−19.0% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 116,170 | $10.0M | 0.09% | −4,200−3.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 115,590 | $9.95M | 0.24% | +15,370+15.3% | Added |
| Toronto Dominion Bank | 115,062 | $9.90M | 0.02% | −7,964−6.5% | Reduced |
| Storebrand Asset Management AS | 113,825 | $9.80M | 0.05% | −2,135−1.8% | Reduced |
| Jane Street Group, LLC | 113,103 | $9.73M | 0.02% | −189,499−62.6% | Reduced |
| Arizona State Retirement System | 110,834 | $9.54M | 0.08% | −556−0.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 108,533 | $9.34M | 0.02% | +874+0.8% | Added |
| NN Investment Partners Holdings N.V. | 104,859 | $9.02M | 0.05% | −7,671−6.8% | Reduced |
| EULAV Asset Management | 103,000 | $8.86M | 0.23% | −400.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 101,937 | $8.77M | 0.02% | −26,363−20.5% | Reduced |
| Eaton Vance Management | 102,294 | $8.71M | 0.01% | +86,964+567.3% | Added |
| Night Owl Capital Management, LLC | 101,123 | $8.70M | 1.53% | +2,203+2.2% | Added |
| AMP Capital Investors Ltd | 96,813 | $8.33M | 0.05% | +96,813 | New |
| The PNC Financial Services Group, Inc. | 93,380 | $8.04M | 0.01% | +10,180+12.2% | Added |
| USS Investment Management Ltd | 87,038 | $7.49M | 0.06% | +77,458+808.5% | Added |
| Old National Bancorp | 86,448 | $7.44M | 0.28% | +348+0.4% | Added |
| Cna Financial Corp | 85,000 | $7.32M | 1.99% | +35,000+70.0% | Added |
| Two Sigma Investments, LP | 84,700 | $7.29M | 0.02% | +20,400+31.7% | Added |
| Tsai Capital Corp | 84,630 | $7.28M | 6.28% | +6,870+8.8% | Added |
| Jupiter Asset Management Ltd | 83,445 | $7.18M | 0.08% | +4,605+5.8% | Added |
| Forsta Ap-Fonden | 82,200 | $7.07M | 0.08% | +1,200+1.5% | Added |
| Employees Retirement System of Texas | 79,220 | $6.82M | 0.08% | 00.0% | Unchanged |
| US Bancorp | 78,896 | $6.79M | 0.01% | +3,117+4.1% | Added |
| Gulf International Bank (UK) Ltd | 77,762 | $6.69M | 0.09% | −738−0.9% | Reduced |
| Andra AP-fonden | 77,000 | $6.63M | 0.14% | −15,000−16.3% | Reduced |
| DnB Asset Management AS | 76,297 | $6.57M | 0.04% | −1,284−1.7% | Reduced |
| Nomura Asset Management Co Ltd | 76,212 | $6.56M | 0.04% | −3,958−4.9% | Reduced |
| State of Alaska, Department of Revenue | 75,495 | $6.50M | 0.07% | −1,570−2.0% | Reduced |
| Westfield Capital Management Co LP | 74,500 | $6.41M | 0.04% | −350−0.5% | Reduced |
| Banco Santander, S.A. | 73,793 | $6.35M | 0.03% | +37,343+102.4% | Added |