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 |
|---|---|---|---|---|---|
| Gulf International Bank (UK) Ltd | 77,762 | $6.69M | 0.09% | −738−0.9% | Reduced |
| US Bancorp | 78,896 | $6.79M | 0.01% | +3,117+4.1% | Added |
| Employees Retirement System of Texas | 79,220 | $6.82M | 0.08% | 00.0% | Unchanged |
| Forsta Ap-Fonden | 82,200 | $7.07M | 0.08% | +1,200+1.5% | Added |
| Jupiter Asset Management Ltd | 83,445 | $7.18M | 0.08% | +4,605+5.8% | Added |
| Tsai Capital Corp | 84,630 | $7.28M | 6.28% | +6,870+8.8% | Added |
| Two Sigma Investments, LP | 84,700 | $7.29M | 0.02% | +20,400+31.7% | Added |
| Cna Financial Corp | 85,000 | $7.32M | 1.99% | +35,000+70.0% | Added |
| Old National Bancorp | 86,448 | $7.44M | 0.28% | +348+0.4% | Added |
| USS Investment Management Ltd | 87,038 | $7.49M | 0.06% | +77,458+808.5% | Added |
| The PNC Financial Services Group, Inc. | 93,380 | $8.04M | 0.01% | +10,180+12.2% | Added |
| AMP Capital Investors Ltd | 96,813 | $8.33M | 0.05% | +96,813 | New |
| Night Owl Capital Management, LLC | 101,123 | $8.70M | 1.53% | +2,203+2.2% | Added |
| Eaton Vance Management | 102,294 | $8.71M | 0.01% | +86,964+567.3% | Added |
| Robeco Institutional Asset Management B.V. | 101,937 | $8.77M | 0.02% | −26,363−20.5% | Reduced |
| EULAV Asset Management | 103,000 | $8.86M | 0.23% | −400.0% | Reduced |
| NN Investment Partners Holdings N.V. | 104,859 | $9.02M | 0.05% | −7,671−6.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 108,533 | $9.34M | 0.02% | +874+0.8% | Added |
| Arizona State Retirement System | 110,834 | $9.54M | 0.08% | −556−0.5% | Reduced |
| Jane Street Group, LLC | 113,103 | $9.73M | 0.02% | −189,499−62.6% | Reduced |
| Storebrand Asset Management AS | 113,825 | $9.80M | 0.05% | −2,135−1.8% | Reduced |
| Toronto Dominion Bank | 115,062 | $9.90M | 0.02% | −7,964−6.5% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 115,590 | $9.95M | 0.24% | +15,370+15.3% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 116,170 | $10.0M | 0.09% | −4,200−3.5% | Reduced |
| Vantage Investment Partners, LLC | 117,044 | $10.1M | 0.52% | −27,426−19.0% | Reduced |
| Alyeska Investment Group, L.P. | 118,917 | $10.2M | 0.13% | −118,853−50.0% | Reduced |
| Aviva PLC | 119,719 | $10.3M | 0.05% | −6,208−4.9% | Reduced |
| Rice Hall James & Associates, LLC | 120,636 | $10.4M | 0.38% | −8,101−6.3% | Reduced |
| Gateway Investment Advisers LLC | 123,216 | $10.6M | 0.11% | +460.0% | Added |
| Advisor Group Holdings, Inc. | 124,156 | $10.7M | 0.02% | +6,866+5.9% | Added |
| Shell Asset Management Co | 124,865 | $10.7M | 0.24% | +5,155+4.3% | Added |
| First Republic Investment Management, Inc. | 124,925 | $10.8M | 0.03% | +7,923+6.8% | Added |
| Liontrust Investment Partners LLP | 125,000 | $10.8M | 0.15% | +125,000 | New |
| Alberta Investment Management Corp | 126,100 | $10.9M | 0.09% | −343,900−73.2% | Reduced |
| Natixis Advisors, L.P. | 130,133 | $11.2M | 0.05% | +38,189+41.5% | Added |
| KBC Group NV | 131,903 | $11.4M | 0.04% | +5,763+4.6% | Added |
| 2Xideas AG | 133,977 | $11.5M | 0.88% | +22,167+19.8% | Added |
| First Trust Advisors LP | 138,161 | $11.9M | 0.01% | +122,461+780.0% | Added |
| HSBC Holdings PLC | 141,728 | $12.2M | 0.01% | −60,236−29.8% | Reduced |
| JPMorgan Chase & Co | 143,082 | $12.3M | 0.00% | −1,166,118−89.1% | Reduced |
| Spire Wealth Management | 143,027 | $12.3M | 0.33% | −1,053−0.7% | Reduced |
| Swedbank AB | 146,710 | $12.6M | 0.02% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 146,887 | $12.6M | 0.07% | +1,099+0.8% | Added |
| Cobblestone Capital Advisors LLC | 150,045 | $12.9M | 0.88% | +150,045 | New |
| Congress Asset Management Co | 151,383 | $13.0M | 0.10% | +31,430+26.2% | Added |
| Erste Asset Management GmbH | 155,300 | $13.4M | 0.26% | −10,010−6.1% | Reduced |
| NS Partners Ltd | 160,879 | $13.8M | 0.71% | +1,874+1.2% | Added |
| Marsico Capital Management LLC | 162,170 | $14.0M | 0.43% | 00.0% | Unchanged |
| Badgley Phelps Wealth Managers, LLC | 163,165 | $14.0M | 0.51% | +163,165 | New |
| Teachers Retirement System of the State of Kentucky | 165,350 | $14.2M | 0.13% | 00.0% | Unchanged |
| Capitolis Advisors LLC | 150,515 | $14.3M | 0.13% | +130,945+669.1% | Added |
| Spence Asset Management | 168,825 | $14.5M | 3.86% | +2,249+1.4% | Added |
| Archon Partners LLC | 171,100 | $14.7M | 1.92% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 172,225 | $14.8M | 0.57% | −9,955−5.5% | Reduced |
| Voloridge Investment Management, LLC | 176,119 | $15.2M | 0.10% | −280,635−61.4% | Reduced |
| Lakehouse Capital Pty Ltd | 182,583 | $15.7M | 8.88% | +28,633+18.6% | Added |
| Susquehanna International Group, LLP | 188,043 | $16.2M | 0.02% | −127,738−40.5% | Reduced |
| State of Wisconsin Investment Board | 196,628 | $16.9M | 0.04% | +7,652+4.0% | Added |
| Oppenheimer Asset Management Inc. | 196,919 | $16.9M | 0.24% | +1,482+0.8% | Added |
| Canada Pension Plan Investment Board | 206,519 | $17.8M | 0.02% | +63,879+44.8% | Added |
| AE Wealth Management LLC | 207,463 | $17.9M | 0.15% | +22,352+12.1% | Added |
| Alliancebernstein L.P. | 213,635 | $18.4M | 0.01% | −2,785−1.3% | Reduced |
| Boston Private Wealth LLC | 218,694 | $18.8M | 0.24% | −226−0.1% | Reduced |
| Public Employees Retirement System of Ohio | 220,575 | $19.0M | 0.07% | −4,650−2.1% | Reduced |
| CIBC World Markets Corp | 229,146 | $19.7M | 0.13% | +76,966+50.6% | Added |
| State of New Jersey Common Pension Fund D | 229,348 | $19.7M | 0.06% | −1,162−0.5% | Reduced |
| Ironvine Capital Partners, LLC | 237,556 | $20.4M | 2.17% | +150,304+172.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 255,498 | $22.0M | 0.11% | +5,658+2.3% | Added |
| Royal Bank of Canada | 257,504 | $22.2M | 0.01% | +49,549+23.8% | Added |
| Man Group plc | 260,072 | $22.4M | 0.08% | +35,726+15.9% | Added |
| AQR Capital Management LLC | 262,071 | $22.5M | 0.04% | −859−0.3% | Reduced |
| Scout Investments, Inc. | 262,728 | $22.6M | 0.34% | +126,011+92.2% | Added |
| Connectus Wealth, LLC | 271,107 | $23.3M | 2.61% | +258,037+1,974.3% | Added |
| Brown Advisory Inc | 271,364 | $23.4M | 0.03% | +175,004+181.6% | Added |
| Great West Life Assurance Co | 277,115 | $24.0M | 0.06% | −9,157−3.2% | Reduced |
| Cooper Investors Pty Ltd | 279,177 | $24.0M | 1.59% | +279,177 | New |
| American Assets Capital Advisers, LLC | 282,849 | $24.3M | 2.91% | +479+0.2% | Added |
| Ashford Capital Management Inc | 289,743 | $24.9M | 2.27% | +8,153+2.9% | Added |
| TCW Group Inc | 291,610 | $25.1M | 0.22% | −5,370−1.8% | Reduced |
| Russell Investments Group, Ltd. | 294,825 | $25.3M | 0.04% | −6,873−2.3% | Reduced |
| Sandhill Capital Partners LLC | 296,103 | $25.5M | 2.04% | +4,401+1.5% | Added |
| Asset Management One Co.,Ltd. | 301,670 | $26.0M | 0.10% | −2,424−0.8% | Reduced |
| Royal London Asset Management Ltd | 307,072 | $26.4M | 0.11% | −4,458−1.4% | Reduced |
| Nissay Asset Management Corp | 321,572 | $27.7M | 0.23% | +19,892+6.6% | Added |
| Assenagon Asset Management S.A. | 331,579 | $28.5M | 0.12% | +331,579 | New |
| FIL Ltd | 334,128 | $28.8M | 0.03% | −22,602−6.3% | Reduced |
| Barclays PLC | 340,228 | $29.3M | 0.02% | −223,169−39.6% | Reduced |
| Ycg, LLC | 352,673 | $30.4M | 2.86% | +112,721+47.0% | Added |
| Stifel Financial Corp | 357,891 | $30.8M | 0.05% | −39,515−9.9% | Reduced |
| Rhumbline Advisers | 357,909 | $30.8M | 0.04% | −8,531−2.3% | Reduced |
| UBS Group AG | 360,467 | $31.0M | 0.01% | +116,621+47.8% | Added |
| Invesco Ltd. | 364,538 | $31.4M | 0.01% | −1,202,125−76.7% | Reduced |
| LMR Partners LLP | 367,530 | $31.6M | 0.44% | 00.0% | Unchanged |
| Quantum Capital Management, LLC | 372,466 | $32.1M | 3.92% | +750.0% | Added |
| Citigroup Inc | 384,255 | $33.1M | 0.03% | −193,327−33.5% | Reduced |
| Parnassus Investments | 387,000 | $33.3M | 0.07% | 00.0% | Unchanged |
| Credit Suisse AG | 398,786 | $34.3M | 0.03% | +7,715+2.0% | Added |
| Bank of Nova Scotia | 399,470 | $34.4M | 0.06% | +399,470 | New |
| HRT Financial LP | 402,645 | $34.7M | 0.21% | +127,906+46.6% | Added |
| Deutsche Bank AG | 409,054 | $35.2M | 0.02% | +77,965+23.5% | Added |