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 |
|---|---|---|---|---|---|
| Thematics Asset Management | 102,912 | $7.09M | 0.39% | +9,399+10.1% | Added |
| Standard Life Aberdeen plc | 103,940 | $7.16M | 0.02% | +1,285+1.3% | Added |
| Flossbach Von Storch AG | 104,166 | $7.17M | 0.03% | +2,624+2.6% | Added |
| Rafferty Asset Management, LLC | 104,386 | $7.19M | 0.05% | +18,166+21.1% | Added |
| Tredje AP-fonden | 106,528 | $7.33M | 0.11% | −5,829−5.2% | Reduced |
| Amalgamated Bank | 106,843 | $7.36M | 0.06% | −296−0.3% | Reduced |
| MetLife Investment Management | 107,179 | $7.38M | 0.05% | −1,252−1.2% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 108,840 | $7.49M | 0.14% | +3,675+3.5% | Added |
| Point72 Middle East FZE | 110,350 | $7.60M | 0.43% | +110,350 | New |
| Advisor Group Holdings, Inc. | 110,527 | $7.61M | 0.01% | −2,408−2.1% | Reduced |
| State of Michigan Retirement System | 111,700 | $7.69M | 0.05% | +1,200+1.1% | Added |
| Nomura Asset Management Co Ltd | 115,975 | $7.98M | 0.04% | +4,212+3.8% | Added |
| Arizona State Retirement System | 118,236 | $8.14M | 0.07% | +6,160+5.5% | Added |
| Retirement Systems of Alabama | 120,205 | $8.28M | 0.04% | −10,083−7.7% | Reduced |
| ExodusPoint Capital Management, LP | 123,957 | $8.53M | 0.10% | +79,386+178.1% | Added |
| Schonfeld Strategic Advisors LLC | 126,821 | $8.73M | 0.08% | −26,779−17.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 134,583 | $9.27M | 0.01% | +9,157+7.3% | Added |
| Gateway Investment Advisers LLC | 135,287 | $9.31M | 0.11% | −862−0.6% | Reduced |
| 2Xideas AG | 136,885 | $9.42M | 0.91% | +5,193+3.9% | Added |
| Lakehouse Capital Pty Ltd | 138,189 | $9.51M | 8.41% | −11,567−7.7% | Reduced |
| Shell Asset Management Co | 147,338 | $10.1M | 0.42% | +23,300+18.8% | Added |
| KBC Group NV | 147,870 | $10.2M | 0.04% | +2,115+1.5% | Added |
| American International Group, Inc. | 149,630 | $10.3M | 0.07% | +479+0.3% | Added |
| Prana Capital Management, LP | 154,282 | $10.6M | 0.90% | +149,869+3,396.1% | Added |
| BNP Paribas Arbitrage, SA | 156,993 | $10.8M | 0.02% | −192,468−55.1% | Reduced |
| Cobblestone Capital Advisors LLC | 157,140 | $10.8M | 0.81% | +390+0.2% | Added |
| CIBC World Markets Corp | 157,664 | $10.9M | 0.18% | −26,100−14.2% | Reduced |
| Boston Private Wealth LLC | 159,236 | $11.0M | 0.15% | −19,253−10.8% | Reduced |
| Swedbank AB | 161,038 | $11.1M | 0.02% | −3,607−2.2% | Reduced |
| AQR Capital Management LLC | 164,393 | $11.2M | 0.02% | −2,034−1.2% | Reduced |
| Handelsbanken Fonder AB | 167,611 | $11.5M | 0.07% | +16,712+11.1% | Added |
| Voya Investment Management LLC | 172,469 | $11.9M | 0.01% | +5,599+3.4% | Added |
| Erste Asset Management GmbH | 175,000 | $12.0M | 0.23% | +15,000+9.4% | Added |
| Badgley Phelps Wealth Managers, LLC | 176,521 | $12.2M | 0.45% | +3,400+2.0% | Added |
| NS Partners Ltd | 177,414 | $12.2M | 0.69% | +227+0.1% | Added |
| State of Alaska, Department of Revenue | 177,726 | $12.2M | 0.14% | −1,709−1.0% | Reduced |
| AE Wealth Management LLC | 181,693 | $12.5M | 0.08% | −4,633−2.5% | Reduced |
| Treasurer of the State of North Carolina | 182,024 | $12.5M | 0.07% | +1,120+0.6% | Added |
| Archon Partners LLC | 185,500 | $12.8M | 2.13% | +5,500+3.1% | Added |
| Azimuth Capital Investment Management LLC | 192,445 | $13.2M | 0.65% | +33,855+21.3% | Added |
| Oppenheimer Asset Management Inc. | 195,228 | $13.4M | 0.21% | −2,841−1.4% | Reduced |
| Ninety One UK Ltd | 204,543 | $14.1M | 0.04% | −12,848−5.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 209,762 | $14.4M | 0.14% | +13,000+6.6% | Added |
| State of Wisconsin Investment Board | 215,686 | $14.8M | 0.04% | −1,640−0.8% | Reduced |
| Neuberger Berman Group LLC | 215,963 | $14.9M | 0.01% | −257,891−54.4% | Reduced |
| Stifel Financial Corp | 223,786 | $15.4M | 0.02% | −2,434−1.1% | Reduced |
| Susquehanna International Group, LLP | 227,820 | $15.7M | 0.02% | +35,437+18.4% | Added |
| Public Employees Retirement System of Ohio | 231,831 | $16.0M | 0.07% | −10,669−4.4% | Reduced |
| NZS Capital, LLC | 233,780 | $16.1M | 0.85% | +63,433+37.2% | Added |
| Qube Research & Technologies Ltd | 233,854 | $16.1M | 0.09% | +153,598+191.4% | Added |
| Chevy Chase Trust Holdings, Inc. | 236,336 | $16.3M | 0.06% | +2,344+1.0% | Added |
| Toronto Dominion Bank | 237,082 | $16.3M | 0.03% | −3,156−1.3% | Reduced |
| State of New Jersey Common Pension Fund D | 240,261 | $16.5M | 0.06% | +8,152+3.5% | Added |
| Scout Investments, Inc. | 242,871 | $16.7M | 0.34% | −17,496−6.7% | Reduced |
| Motley Fool Wealth Management, LLC | 243,172 | $16.7M | 1.05% | −1,272−0.5% | Reduced |
| Baskin Financial Services Inc. | 248,638 | $17.1M | 1.80% | +712+0.3% | Added |
| Parnassus Investments | 257,115 | $17.7M | 0.04% | −1,888,019−88.0% | Reduced |
| Great West Life Assurance Co | 262,898 | $18.1M | 0.05% | +1,867+0.7% | Added |
| Asset Management One Co.,Ltd. | 267,817 | $18.4M | 0.08% | +10,978+4.3% | Added |
| CI Private Wealth, LLC | 269,467 | $18.6M | 0.05% | +236,564+719.0% | Added |
| Intrinsic Edge Capital Management LLC | 282,371 | $19.4M | 1.97% | +83,155+41.7% | Added |
| Manufacturers Life Insurance Company, The | 293,083 | $20.2M | 0.01% | −1,815−0.6% | Reduced |
| Kornitzer Capital Management Inc | 300,974 | $20.7M | 0.41% | −61,735−17.0% | Reduced |
| Royal London Asset Management Ltd | 303,344 | $20.9M | 0.08% | +15,033+5.2% | Added |
| First Trust Advisors LP | 328,448 | $22.6M | 0.03% | +26,522+8.8% | Added |
| Allianz Asset Management GmbH | 343,066 | $23.6M | 0.05% | +33,284+10.7% | Added |
| Natixis Advisors, L.P. | 356,636 | $24.6M | 0.08% | +150,574+73.1% | Added |
| Ashford Capital Management Inc | 357,324 | $24.6M | 3.68% | −1,465−0.4% | Reduced |
| HSBC Holdings PLC | 359,731 | $24.7M | 0.03% | −93,578−20.6% | Reduced |
| Bank of Montreal | 359,921 | $24.8M | 0.02% | −77,590−17.7% | Reduced |
| Cubist Systematic Strategies, LLC | 364,160 | $25.1M | 0.23% | +324,185+811.0% | Added |
| Truist Financial Corp | 364,770 | $25.1M | 0.04% | −11,590−3.1% | Reduced |
| New York State Teachers Retirement System | 371,073 | $25.5M | 0.06% | +1,508+0.4% | Added |
| Squarepoint Ops LLC | 371,288 | $25.6M | 0.18% | +368,251+12,125.5% | Added |
| Prudential Financial Inc | 406,544 | $25.9M | 0.04% | −778,055−65.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 378,787 | $26.1M | 0.06% | −18,817−4.7% | Reduced |
| Bridgewater Associates, LP | 379,594 | $26.1M | 0.16% | +5,917+1.6% | Added |
| ProShare Advisors LLC | 398,696 | $27.5M | 0.08% | −9,253−2.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 407,200 | $28.0M | 0.06% | −6,500−1.6% | Reduced |
| Sandhill Capital Partners LLC | 411,388 | $28.3M | 2.71% | −9,006−2.1% | Reduced |
| Twinbeech Capital LP | 416,855 | $28.7M | 0.58% | +416,855 | New |
| Barclays PLC | 434,252 | $29.9M | 0.03% | −134,598−23.7% | Reduced |
| Ycg, LLC | 459,572 | $31.6M | 3.09% | −626−0.1% | Reduced |
| UBS Group AG | 466,197 | $32.1M | 0.01% | −58,575−11.2% | Reduced |
| Fred Alger Management, LLC | 469,027 | $32.3M | 0.17% | −32,205−6.4% | Reduced |
| Ironvine Capital Partners, LLC | 476,708 | $32.8M | 4.14% | +1,249+0.3% | Added |
| State Board of Administration of Florida Retirement System | 477,691 | $32.9M | 0.08% | +900+0.2% | Added |
| Credit Suisse AG | 485,617 | $33.4M | 0.03% | +18,485+4.0% | Added |
| Alliancebernstein L.P. | 494,289 | $34.0M | 0.01% | −20,285−3.9% | Reduced |
| Geneva Capital Management LLC | 508,387 | $35.0M | 0.71% | +24,939+5.2% | Added |
| Clearbridge Investments, LLC | 531,501 | $36.6M | 0.03% | +475,098+842.3% | Added |
| Citigroup Inc | 537,170 | $37.0M | 0.05% | +12,982+2.5% | Added |
| Stephens Investment Management Group LLC | 546,671 | $37.6M | 0.63% | −369−0.1% | Reduced |
| New York State Common Retirement Fund | 558,412 | $38.4M | 0.05% | −11,126−2.0% | Reduced |
| Select Equity Group, L.P. | 565,328 | $38.9M | 0.15% | +386,078+215.4% | Added |
| Deutsche Bank AG | 565,706 | $38.9M | 0.02% | +33,956+6.4% | Added |
| Jennison Associates LLC | 586,416 | $40.4M | 0.04% | +1,780+0.3% | Added |
| Quantum Capital Management, LLC | 587,048 | $40.4M | 5.22% | +96,672+19.7% | Added |
| Russell Investments Group, Ltd. | 602,255 | $41.4M | 0.08% | −153,574−20.3% | Reduced |
| Korea Investment CORP | 604,810 | $41.6M | 0.12% | +266,310+78.7% | Added |