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 2023
Institutional positions in Costar Group, Inc. as of Sep 30, 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
- 690
- −19 vs. Q2 2023
- Shares held
- 392.0M
- −6.08M (−1.5%) vs. Q2 2023
- Total value
- $30.1B
- −$5.25B (−14.8%) vs. Q2 2023
- New holders
- 65
- 276 more added
- Sold out
- 84
- 251 more reduced
5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Squarepoint Ops LLC | 96,378 | $7.41M | 0.04% | +80,722+515.6% | Added |
| Robeco Institutional Asset Management B.V. | 96,670 | $7.43M | 0.02% | +23,374+31.9% | Added |
| Standard Life Aberdeen plc | 99,939 | $7.68M | 0.02% | −2,811−2.7% | Reduced |
| LTS One Management LP | 100,000 | $7.69M | 1.69% | +100,000 | New |
| Thematics Asset Management | 105,298 | $8.10M | 0.40% | +5,410+5.4% | Added |
| Jane Street Group, LLC | 106,065 | $8.16M | 0.01% | −523,178−83.1% | Reduced |
| Amalgamated Bank | 106,977 | $8.22M | 0.07% | +220.0% | Added |
| Shell Asset Management Co | 107,886 | $8.29M | 0.34% | +757+0.7% | Added |
| MetLife Investment Management | 108,155 | $8.32M | 0.06% | −2,690−2.4% | Reduced |
| State of Alaska, Department of Revenue | 111,441 | $8.57M | 0.11% | −2,100−1.8% | Reduced |
| Arizona State Retirement System | 111,457 | $8.57M | 0.07% | +445+0.4% | Added |
| State of Michigan Retirement System | 111,900 | $8.60M | 0.06% | −400−0.4% | Reduced |
| Storebrand Asset Management AS | 112,653 | $8.66M | 0.04% | −4,226−3.6% | Reduced |
| Pragma Gestao de Patrimonio Ltd | 113,000 | $8.69M | 5.26% | +35,000+44.9% | Added |
| ING Groep NV | 113,709 | $8.74M | 0.08% | +104,410+1,122.8% | Added |
| CIBC Asset Management Inc | 113,789 | $8.75M | 0.04% | +11,722+11.5% | Added |
| Guggenheim Capital LLC | 113,842 | $8.75M | 0.08% | +17,942+18.7% | Added |
| Boston Private Wealth LLC | 114,034 | $8.77M | 0.19% | −9,510−7.7% | Reduced |
| Nomura Asset Management Co Ltd | 116,318 | $8.94M | 0.04% | +4,371+3.9% | Added |
| Andra AP-fonden | 118,100 | $9.08M | 0.54% | +58,500+98.2% | Added |
| Comerica Bank | 119,580 | $9.19M | 0.05% | +119,580 | New |
| Lakehouse Capital Pty Ltd | 126,320 | $9.71M | 8.76% | −11,869−8.6% | Reduced |
| Telemark Asset Management, LLC | 130,000 | $10.0M | 1.52% | +30,000+30.0% | Added |
| KBC Group NV | 130,555 | $10.0M | 0.04% | +33,385+34.4% | Added |
| Gateway Investment Advisers LLC | 134,836 | $10.4M | 0.13% | −111−0.1% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 136,019 | $10.5M | 0.16% | +1,903+1.4% | Added |
| Prana Capital Management, LP | 138,152 | $10.6M | 0.69% | +138,152 | New |
| 2Xideas AG | 138,892 | $10.7M | 1.18% | −30,686−18.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 141,162 | $10.9M | 0.01% | +3,000+2.2% | Added |
| Walleye Capital LLC | 144,031 | $11.1M | 0.16% | +126,219+708.6% | Added |
| Advisor Group Holdings, Inc. | 148,609 | $11.4M | 0.02% | +37,294+33.5% | Added |
| Susquehanna International Group, LLP | 151,498 | $11.6M | 0.02% | −55,541−26.8% | Reduced |
| Rafferty Asset Management, LLC | 152,189 | $11.7M | 0.07% | +23,819+18.6% | Added |
| National Bank of Canada | 154,545 | $11.7M | 0.02% | −35,338−18.6% | Reduced |
| Cobblestone Capital Advisors LLC | 156,609 | $12.0M | 0.89% | −1,497−0.9% | Reduced |
| Quest Investment Management LLC | 161,373 | $12.4M | 1.75% | +143,629+809.5% | Added |
| American International Group, Inc. | 162,907 | $12.5M | 0.08% | +10,010+6.5% | Added |
| Badgley Phelps Wealth Managers, LLC | 168,271 | $12.9M | 0.44% | −7,000−4.0% | Reduced |
| NS Partners Ltd | 175,461 | $13.5M | 0.73% | −324−0.2% | Reduced |
| Oppenheimer Asset Management Inc. | 178,884 | $13.8M | 0.21% | −10,268−5.4% | Reduced |
| Handelsbanken Fonder AB | 179,827 | $13.8M | 0.08% | +3,570+2.0% | Added |
| Treasurer of the State of North Carolina | 182,764 | $14.1M | 0.08% | +680+0.4% | Added |
| State of Tennessee, Treasury Department | 184,841 | $14.2M | 0.06% | +81,946+79.6% | Added |
| Archon Partners LLC | 185,500 | $14.3M | 2.23% | 00.0% | Unchanged |
| Stony Point Capital LLC | 186,713 | $14.4M | 4.88% | +2,506+1.4% | Added |
| Vantage Investment Partners, LLC | 187,196 | $14.4M | 1.89% | +108,814+138.8% | Added |
| AE Wealth Management LLC | 193,327 | $14.9M | 0.09% | +7,568+4.1% | Added |
| Erste Asset Management GmbH | 195,000 | $15.0M | 0.26% | 00.0% | Unchanged |
| Ninety One UK Ltd | 202,491 | $15.6M | 0.05% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 204,492 | $15.7M | 0.07% | −13,417−6.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 208,625 | $16.0M | 0.16% | −1,137−0.5% | Reduced |
| Scout Investments, Inc. | 211,340 | $16.1M | 0.37% | −12,101−5.4% | Reduced |
| State of Wisconsin Investment Board | 217,377 | $16.7M | 0.05% | −20,464−8.6% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 229,528 | $17.6M | 0.07% | −5,496−2.3% | Reduced |
| D. E. Shaw & Co., Inc. | 231,620 | $17.8M | 0.03% | −83,481−26.5% | Reduced |
| State of New Jersey Common Pension Fund D | 232,141 | $17.8M | 0.06% | −8,120−3.4% | Reduced |
| Stifel Financial Corp | 236,508 | $18.2M | 0.03% | +19,258+8.9% | Added |
| Motley Fool Wealth Management, LLC | 235,761 | $18.2M | 1.05% | −2,950−1.2% | Reduced |
| Baskin Financial Services Inc. | 248,025 | $19.1M | 1.93% | −511−0.2% | Reduced |
| Toronto Dominion Bank | 249,076 | $19.2M | 0.03% | −5,208−2.0% | Reduced |
| Voya Investment Management LLC | 250,639 | $19.3M | 0.02% | +35,315+16.4% | Added |
| Asset Management One Co.,Ltd. | 267,815 | $20.6M | 0.09% | +2,479+0.9% | Added |
| Neuberger Berman Group LLC | 269,447 | $20.7M | 0.02% | +52,706+24.3% | Added |
| Great West Life Assurance Co | 280,432 | $21.6M | 0.05% | −22,479−7.4% | Reduced |
| CI Private Wealth, LLC | 293,750 | $22.6M | 0.05% | +20,512+7.5% | Added |
| Kornitzer Capital Management Inc | 298,924 | $23.0M | 0.47% | −250−0.1% | Reduced |
| NZS Capital, LLC | 302,792 | $23.3M | 1.25% | −2,801−0.9% | Reduced |
| Manufacturers Life Insurance Company, The | 311,492 | $24.0M | 0.01% | +12,831+4.3% | Added |
| Bank of Montreal | 317,040 | $25.1M | 0.01% | +55,182+21.1% | Added |
| Sandhill Capital Partners LLC | 333,981 | $25.7M | 2.40% | −77,888−18.9% | Reduced |
| Truist Financial Corp | 340,018 | $26.1M | 0.04% | −6,043−1.7% | Reduced |
| BNP Paribas Arbitrage, SA | 343,016 | $26.4M | 0.06% | +115,828+51.0% | Added |
| Parnassus Investments | 348,207 | $26.8M | 0.07% | +46,901+15.6% | Added |
| Pelham Capital Ltd. | 349,916 | $26.9M | 12.82% | −271,279−43.7% | Reduced |
| Ashford Capital Management Inc | 350,326 | $26.9M | 3.97% | −11,510−3.2% | Reduced |
| Prudential Financial Inc | 365,471 | $28.1M | 0.04% | −25,359−6.5% | Reduced |
| First Trust Advisors LP | 393,642 | $30.3M | 0.04% | +122,834+45.4% | Added |
| Royal London Asset Management Ltd | 396,077 | $30.5M | 0.10% | +16,564+4.4% | Added |
| New York State Teachers Retirement System | 401,791 | $30.9M | 0.07% | +35,919+9.8% | Added |
| Natixis Advisors, L.P. | 414,188 | $31.8M | 0.10% | +20,730+5.3% | Added |
| Amundi | 399,155 | $32.1M | 0.02% | −408,526−50.6% | Reduced |
| Russell Investments Group, Ltd. | 428,813 | $33.0M | 0.07% | −132,774−23.6% | Reduced |
| Fred Alger Management, LLC | 439,295 | $33.8M | 0.19% | +36,091+9.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 442,963 | $34.1M | 0.08% | +68,501+18.3% | Added |
| Bridgewater Associates, LP | 452,601 | $34.8M | 0.21% | +36,960+8.9% | Added |
| ProShare Advisors LLC | 453,439 | $34.9M | 0.11% | +56,101+14.1% | Added |
| Credit Suisse AG | 454,413 | $34.9M | 0.04% | −51,726−10.2% | Reduced |
| Ycg, LLC | 456,891 | $35.1M | 3.24% | −2,607−0.6% | Reduced |
| State Board of Administration of Florida Retirement System | 459,623 | $35.3M | 0.08% | −5,300−1.1% | Reduced |
| Geneva Capital Management LLC | 461,805 | $35.5M | 0.75% | −19,980−4.1% | Reduced |
| Korea Investment CORP | 464,587 | $35.7M | 0.11% | +143,768+44.8% | Added |
| Ironvine Capital Partners, LLC | 474,007 | $36.4M | 4.68% | +1,558+0.3% | Added |
| Alliancebernstein L.P. | 480,913 | $37.0M | 0.02% | −62,340−11.5% | Reduced |
| New York State Common Retirement Fund | 505,932 | $38.9M | 0.06% | −55,809−9.9% | Reduced |
| Clearbridge Investments, LLC | 531,159 | $40.8M | 0.04% | +2,785+0.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 534,357 | $41.1M | 0.08% | −187,792−26.0% | Reduced |
| Stephens Investment Management Group LLC | 546,858 | $42.0M | 0.69% | +6,875+1.3% | Added |
| Quantum Capital Management, LLC | 554,529 | $42.6M | 5.65% | −9,591−1.7% | Reduced |
| Citigroup Inc | 567,281 | $43.6M | 0.06% | +91,864+19.3% | Added |
| HSBC Holdings PLC | 569,799 | $43.8M | 0.05% | +121,099+27.0% | Added |