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, Q1 2023
Institutional positions in Costar Group, Inc. as of Mar 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
- 692
- −4 vs. Q4 2022
- Shares held
- 388.8M
- −4.89M (−1.2%) vs. Q4 2022
- Total value
- $26.7B
- −$3.59B (−11.8%) vs. Q4 2022
- New holders
- 81
- 261 more added
- Sold out
- 85
- 266 more reduced
8 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Clearbridge Investments, LLC | 531,501 | $36.6M | 0.03% | +475,098+842.3% | Added |
| Geneva Capital Management LLC | 508,387 | $35.0M | 0.71% | +24,939+5.2% | Added |
| Alliancebernstein L.P. | 494,289 | $34.0M | 0.01% | −20,285−3.9% | Reduced |
| Credit Suisse AG | 485,617 | $33.4M | 0.03% | +18,485+4.0% | Added |
| State Board of Administration of Florida Retirement System | 477,691 | $32.9M | 0.08% | +900+0.2% | Added |
| Ironvine Capital Partners, LLC | 476,708 | $32.8M | 4.14% | +1,249+0.3% | Added |
| Fred Alger Management, LLC | 469,027 | $32.3M | 0.17% | −32,205−6.4% | Reduced |
| UBS Group AG | 466,197 | $32.1M | 0.01% | −58,575−11.2% | Reduced |
| Ycg, LLC | 459,572 | $31.6M | 3.09% | −626−0.1% | Reduced |
| Barclays PLC | 434,252 | $29.9M | 0.03% | −134,598−23.7% | Reduced |
| Twinbeech Capital LP | 416,855 | $28.7M | 0.58% | +416,855 | New |
| Sandhill Capital Partners LLC | 411,388 | $28.3M | 2.71% | −9,006−2.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 407,200 | $28.0M | 0.06% | −6,500−1.6% | Reduced |
| ProShare Advisors LLC | 398,696 | $27.5M | 0.08% | −9,253−2.3% | Reduced |
| Bridgewater Associates, LP | 379,594 | $26.1M | 0.16% | +5,917+1.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 378,787 | $26.1M | 0.06% | −18,817−4.7% | Reduced |
| Prudential Financial Inc | 406,544 | $25.9M | 0.04% | −778,055−65.7% | Reduced |
| Squarepoint Ops LLC | 371,288 | $25.6M | 0.18% | +368,251+12,125.5% | Added |
| New York State Teachers Retirement System | 371,073 | $25.5M | 0.06% | +1,508+0.4% | Added |
| Truist Financial Corp | 364,770 | $25.1M | 0.04% | −11,590−3.1% | Reduced |
| Cubist Systematic Strategies, LLC | 364,160 | $25.1M | 0.23% | +324,185+811.0% | Added |
| Bank of Montreal | 359,921 | $24.8M | 0.02% | −77,590−17.7% | Reduced |
| HSBC Holdings PLC | 359,731 | $24.7M | 0.03% | −93,578−20.6% | Reduced |
| Ashford Capital Management Inc | 357,324 | $24.6M | 3.68% | −1,465−0.4% | Reduced |
| Natixis Advisors, L.P. | 356,636 | $24.6M | 0.08% | +150,574+73.1% | Added |
| Allianz Asset Management GmbH | 343,066 | $23.6M | 0.05% | +33,284+10.7% | Added |
| First Trust Advisors LP | 328,448 | $22.6M | 0.03% | +26,522+8.8% | Added |
| Royal London Asset Management Ltd | 303,344 | $20.9M | 0.08% | +15,033+5.2% | Added |
| Kornitzer Capital Management Inc | 300,974 | $20.7M | 0.41% | −61,735−17.0% | Reduced |
| Manufacturers Life Insurance Company, The | 293,083 | $20.2M | 0.01% | −1,815−0.6% | Reduced |
| Intrinsic Edge Capital Management LLC | 282,371 | $19.4M | 1.97% | +83,155+41.7% | Added |
| CI Private Wealth, LLC | 269,467 | $18.6M | 0.05% | +236,564+719.0% | Added |
| Asset Management One Co.,Ltd. | 267,817 | $18.4M | 0.08% | +10,978+4.3% | Added |
| Great West Life Assurance Co | 262,898 | $18.1M | 0.05% | +1,867+0.7% | Added |
| Parnassus Investments | 257,115 | $17.7M | 0.04% | −1,888,019−88.0% | Reduced |
| Baskin Financial Services Inc. | 248,638 | $17.1M | 1.80% | +712+0.3% | Added |
| Motley Fool Wealth Management, LLC | 243,172 | $16.7M | 1.05% | −1,272−0.5% | Reduced |
| Scout Investments, Inc. | 242,871 | $16.7M | 0.34% | −17,496−6.7% | Reduced |
| State of New Jersey Common Pension Fund D | 240,261 | $16.5M | 0.06% | +8,152+3.5% | Added |
| Toronto Dominion Bank | 237,082 | $16.3M | 0.03% | −3,156−1.3% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 236,336 | $16.3M | 0.06% | +2,344+1.0% | Added |
| Qube Research & Technologies Ltd | 233,854 | $16.1M | 0.09% | +153,598+191.4% | Added |
| NZS Capital, LLC | 233,780 | $16.1M | 0.85% | +63,433+37.2% | Added |
| Public Employees Retirement System of Ohio | 231,831 | $16.0M | 0.07% | −10,669−4.4% | Reduced |
| Susquehanna International Group, LLP | 227,820 | $15.7M | 0.02% | +35,437+18.4% | Added |
| Stifel Financial Corp | 223,786 | $15.4M | 0.02% | −2,434−1.1% | Reduced |
| Neuberger Berman Group LLC | 215,963 | $14.9M | 0.01% | −257,891−54.4% | Reduced |
| State of Wisconsin Investment Board | 215,686 | $14.8M | 0.04% | −1,640−0.8% | Reduced |
| Teachers Retirement System of the State of Kentucky | 209,762 | $14.4M | 0.14% | +13,000+6.6% | Added |
| Ninety One UK Ltd | 204,543 | $14.1M | 0.04% | −12,848−5.9% | Reduced |
| Oppenheimer Asset Management Inc. | 195,228 | $13.4M | 0.21% | −2,841−1.4% | Reduced |
| Azimuth Capital Investment Management LLC | 192,445 | $13.2M | 0.65% | +33,855+21.3% | Added |
| Archon Partners LLC | 185,500 | $12.8M | 2.13% | +5,500+3.1% | Added |
| Treasurer of the State of North Carolina | 182,024 | $12.5M | 0.07% | +1,120+0.6% | Added |
| AE Wealth Management LLC | 181,693 | $12.5M | 0.08% | −4,633−2.5% | Reduced |
| State of Alaska, Department of Revenue | 177,726 | $12.2M | 0.14% | −1,709−1.0% | Reduced |
| NS Partners Ltd | 177,414 | $12.2M | 0.69% | +227+0.1% | Added |
| Badgley Phelps Wealth Managers, LLC | 176,521 | $12.2M | 0.45% | +3,400+2.0% | Added |
| Erste Asset Management GmbH | 175,000 | $12.0M | 0.23% | +15,000+9.4% | Added |
| Voya Investment Management LLC | 172,469 | $11.9M | 0.01% | +5,599+3.4% | Added |
| Handelsbanken Fonder AB | 167,611 | $11.5M | 0.07% | +16,712+11.1% | Added |
| AQR Capital Management LLC | 164,393 | $11.2M | 0.02% | −2,034−1.2% | Reduced |
| Swedbank AB | 161,038 | $11.1M | 0.02% | −3,607−2.2% | Reduced |
| Boston Private Wealth LLC | 159,236 | $11.0M | 0.15% | −19,253−10.8% | Reduced |
| CIBC World Markets Corp | 157,664 | $10.9M | 0.18% | −26,100−14.2% | Reduced |
| Cobblestone Capital Advisors LLC | 157,140 | $10.8M | 0.81% | +390+0.2% | Added |
| BNP Paribas Arbitrage, SA | 156,993 | $10.8M | 0.02% | −192,468−55.1% | Reduced |
| Prana Capital Management, LP | 154,282 | $10.6M | 0.90% | +149,869+3,396.1% | Added |
| American International Group, Inc. | 149,630 | $10.3M | 0.07% | +479+0.3% | Added |
| KBC Group NV | 147,870 | $10.2M | 0.04% | +2,115+1.5% | Added |
| Shell Asset Management Co | 147,338 | $10.1M | 0.42% | +23,300+18.8% | Added |
| Lakehouse Capital Pty Ltd | 138,189 | $9.51M | 8.41% | −11,567−7.7% | Reduced |
| 2Xideas AG | 136,885 | $9.42M | 0.91% | +5,193+3.9% | Added |
| Gateway Investment Advisers LLC | 135,287 | $9.31M | 0.11% | −862−0.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 134,583 | $9.27M | 0.01% | +9,157+7.3% | Added |
| Schonfeld Strategic Advisors LLC | 126,821 | $8.73M | 0.08% | −26,779−17.4% | Reduced |
| ExodusPoint Capital Management, LP | 123,957 | $8.53M | 0.10% | +79,386+178.1% | Added |
| Retirement Systems of Alabama | 120,205 | $8.28M | 0.04% | −10,083−7.7% | Reduced |
| Arizona State Retirement System | 118,236 | $8.14M | 0.07% | +6,160+5.5% | Added |
| Nomura Asset Management Co Ltd | 115,975 | $7.98M | 0.04% | +4,212+3.8% | Added |
| State of Michigan Retirement System | 111,700 | $7.69M | 0.05% | +1,200+1.1% | Added |
| Advisor Group Holdings, Inc. | 110,527 | $7.61M | 0.01% | −2,408−2.1% | Reduced |
| Point72 Middle East FZE | 110,350 | $7.60M | 0.43% | +110,350 | New |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 108,840 | $7.49M | 0.14% | +3,675+3.5% | Added |
| MetLife Investment Management | 107,179 | $7.38M | 0.05% | −1,252−1.2% | Reduced |
| Amalgamated Bank | 106,843 | $7.36M | 0.06% | −296−0.3% | Reduced |
| Tredje AP-fonden | 106,528 | $7.33M | 0.11% | −5,829−5.2% | Reduced |
| Rafferty Asset Management, LLC | 104,386 | $7.19M | 0.05% | +18,166+21.1% | Added |
| Flossbach Von Storch AG | 104,166 | $7.17M | 0.03% | +2,624+2.6% | Added |
| Standard Life Aberdeen plc | 103,940 | $7.16M | 0.02% | +1,285+1.3% | Added |
| Thematics Asset Management | 102,912 | $7.09M | 0.39% | +9,399+10.1% | Added |
| CIBC Asset Management Inc | 102,625 | $7.07M | 0.03% | +2,456+2.5% | Added |
| Storebrand Asset Management AS | 99,271 | $6.83M | 0.03% | +57+0.1% | Added |
| Night Owl Capital Management, LLC | 96,843 | $6.67M | 2.41% | −159−0.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 95,968 | $6.61M | 0.01% | +95,968 | New |
| Andra AP-fonden | 95,600 | $6.58M | 0.17% | +12,100+14.5% | Added |
| US Bancorp | 92,533 | $6.37M | 0.01% | +4,545+5.2% | Added |
| Azzad Asset Management Inc | 88,178 | $6.07M | 0.87% | +393+0.4% | Added |
| Guggenheim Capital LLC | 85,428 | $5.88M | 0.05% | +14,928+21.2% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 85,170 | $5.86M | 0.08% | +19,800+30.3% | Added |