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 2024
Institutional positions in Costar Group, Inc. as of Mar 31, 2024. 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
- 767
- +36 vs. Q4 2023
- Shares held
- 398.4M
- +5.40M (+1.4%) vs. Q4 2023
- Total value
- $38.4B
- +$4.10B (+12.0%) vs. Q4 2023
- New holders
- 91
- 301 more added
- Sold out
- 55
- 265 more reduced
6 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ironvine Capital Partners, LLC | 453,748 | $43.8M | 4.81% | +1,392+0.3% | Added |
| CI Private Wealth, LLC | 445,843 | $43.1M | 0.08% | +72,300+19.4% | Added |
| Bank of Montreal | 443,727 | $43.0M | 0.02% | −59,193−11.8% | Reduced |
| ING Groep NV | 443,722 | $42.9M | 0.29% | +361,804+441.7% | Added |
| Ycg, LLC | 444,289 | $42.7M | 3.39% | −12,418−2.7% | Reduced |
| NZS Capital, LLC | 435,730 | $42.1M | 1.75% | +73,970+20.4% | Added |
| Royal London Asset Management Ltd | 427,023 | $41.3M | 0.10% | +23,816+5.9% | Added |
| Vantage Investment Partners, LLC | 409,769 | $39.6M | 3.54% | +60,909+17.5% | Added |
| Allspring Global Investments Holdings, LLC | 409,494 | $39.6M | 0.06% | −50,199−10.9% | Reduced |
| Russell Investments Group, Ltd. | 401,314 | $38.8M | 0.06% | +55,763+16.1% | Added |
| Adage Capital Partners GP, L.L.C. | 400,500 | $38.7M | 0.07% | +53,800+15.5% | Added |
| Geneva Capital Management LLC | 397,481 | $38.4M | 0.68% | −61,536−13.4% | Reduced |
| New York State Common Retirement Fund | 392,635 | $37.9M | 0.05% | −74,166−15.9% | Reduced |
| Artemis Investment Management LLP | 385,742 | $37.2M | 0.48% | +385,742 | New |
| New York State Teachers Retirement System | 359,816 | $34.8M | 0.07% | −41,466−10.3% | Reduced |
| Fred Alger Management, LLC | 349,584 | $33.8M | 0.17% | −12,776−3.5% | Reduced |
| Parnassus Investments | 348,207 | $33.6M | 0.07% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 477,691 | $32.9M | 0.08% | +23,987+5.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 425,349 | $32.3M | 0.07% | −2,209−0.5% | Reduced |
| Ashford Capital Management Inc | 321,410 | $31.0M | 4.20% | −3,766−1.2% | Reduced |
| Motley Fool Wealth Management, LLC | 314,460 | $30.4M | 1.57% | +87,261+38.4% | Added |
| Great West Life Assurance Co | 305,531 | $29.5M | 0.06% | +7,901+2.7% | Added |
| Neuberger Berman Group LLC | 302,022 | $29.2M | 0.02% | +36,507+13.7% | Added |
| Prudential Financial Inc | 294,663 | $28.5M | 0.04% | −9,475−3.1% | Reduced |
| Lord, Abbett & Co. LLC | 294,474 | $28.4M | 0.09% | +294,474 | New |
| Manufacturers Life Insurance Company, The | 286,201 | $27.6M | 0.03% | −38,717−11.9% | Reduced |
| Kornitzer Capital Management Inc | 286,076 | $27.6M | 0.51% | −7,798−2.7% | Reduced |
| Ninety One UK Ltd | 285,140 | $27.5M | 0.08% | +82,649+40.8% | Added |
| Truist Financial Corp | 266,075 | $25.7M | 0.04% | −21,154−7.4% | Reduced |
| First Trust Advisors LP | 261,546 | $25.3M | 0.03% | −34,798−11.7% | Reduced |
| Baskin Financial Services Inc. | 258,142 | $24.9M | 2.09% | +7,956+3.2% | Added |
| Stifel Financial Corp | 255,553 | $24.7M | 0.03% | +10,528+4.3% | Added |
| Asset Management One Co.,Ltd. | 254,097 | $24.5M | 0.09% | −8,057−3.1% | Reduced |
| Telemark Asset Management, LLC | 250,000 | $24.1M | 2.50% | +100,000+66.7% | Added |
| Sandhill Capital Partners LLC | 243,738 | $23.5M | 1.88% | −95,708−28.2% | Reduced |
| State of Wisconsin Investment Board | 232,273 | $22.4M | 0.06% | +5,918+2.6% | Added |
| State of New Jersey Common Pension Fund D | 232,141 | $22.4M | 0.07% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 230,225 | $22.2M | 0.04% | +50,276+27.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 226,113 | $21.8M | 0.07% | −2,003−0.9% | Reduced |
| Korea Investment CORP | 220,336 | $21.3M | 0.05% | +43,860+24.9% | Added |
| Bridgewater Associates, LP | 206,005 | $19.9M | 0.10% | −208,215−50.3% | Reduced |
| Pelham Capital Ltd. | 200,377 | $19.4M | 11.63% | −76,860−27.7% | Reduced |
| CIBC World Markets Corp | 194,986 | $18.8M | 0.12% | −51,720−21.0% | Reduced |
| Public Employees Retirement System of Ohio | 188,753 | $18.2M | 0.07% | −20,297−9.7% | Reduced |
| Danske Bank A/S | 188,431 | $18.2M | 0.06% | +188,431 | New |
| National Bank of Canada | 200,931 | $18.1M | 0.03% | −129,843−39.3% | Reduced |
| Badgley Phelps Wealth Managers, LLC | 186,772 | $18.0M | 0.45% | −2,701−1.4% | Reduced |
| Treasurer of the State of North Carolina | 185,684 | $17.9M | 0.08% | +1,160+0.6% | Added |
| Archon Partners LLC | 185,500 | $17.9M | 2.19% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 180,000 | $17.4M | 0.24% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 179,763 | $17.4M | 0.06% | +1,442+0.8% | Added |
| NS Partners Ltd | 177,881 | $17.2M | 0.79% | +1,160+0.7% | Added |
| Falcon Edge Capital, LP | 175,183 | $16.9M | 5.14% | +175,183 | New |
| CIBC World Markets Inc. | 175,135 | $16.9M | 0.04% | −19,059−9.8% | Reduced |
| Gillson Capital LP | 170,001 | $16.4M | 1.56% | +170,001 | New |
| Standard Life Aberdeen plc | 169,731 | $16.4M | 0.03% | +480.0% | Added |
| Teachers Retirement System of the State of Kentucky | 158,315 | $15.3M | 0.14% | +5,468+3.6% | Added |
| Prana Capital Management, LP | 156,668 | $15.1M | 0.68% | +20,264+14.9% | Added |
| American International Group, Inc. | 155,585 | $15.0M | 0.05% | −6,034−3.7% | Reduced |
| Oppenheimer Asset Management Inc. | 150,506 | $14.5M | 0.21% | −30,964−17.1% | Reduced |
| Cetera Investment Advisers | 150,203 | $14.5M | 0.03% | +84,854+129.8% | Added |
| Stony Point Capital LLC | 149,160 | $14.4M | 4.73% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 148,982 | $14.4M | 0.01% | −2,009−1.3% | Reduced |
| Walleye Capital LLC | 145,435 | $14.0M | 0.15% | +57,474+65.3% | Added |
| Scout Investments, Inc. | 147,751 | $14.0M | 0.34% | −27,201−15.5% | Reduced |
| Pragma Gestao de Patrimonio Ltd | 143,000 | $13.8M | 7.23% | +33,000+30.0% | Added |
| Gilder Gagnon Howe & Co LLC | 142,364 | $13.8M | 0.17% | +142,364 | New |
| Kelly Lawrence W & Associates Inc | 136,943 | $13.2M | 3.01% | −2,302−1.7% | Reduced |
| Resona Asset Management Co.,Ltd. | 132,085 | $12.8M | 0.08% | +132,085 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 131,633 | $12.7M | 0.04% | +8,905+7.3% | Added |
| Comerica Bank | 129,288 | $12.5M | 0.05% | +4,393+3.5% | Added |
| State of Tennessee, Treasury Department | 127,186 | $12.3M | 0.05% | −32,409−20.3% | Reduced |
| Toronto Dominion Bank | 125,408 | $12.1M | 0.02% | −148,252−54.2% | Reduced |
| LGT Group Foundation | 124,729 | $12.0M | 0.28% | +65,492+110.6% | Added |
| Storebrand Asset Management AS | 124,258 | $12.0M | 0.04% | +4,887+4.1% | Added |
| Guggenheim Capital LLC | 122,898 | $11.9M | 0.08% | −1,398−1.1% | Reduced |
| Nomura Asset Management Co Ltd | 122,689 | $11.9M | 0.04% | +1,750+1.4% | Added |
| CIBC Asset Management Inc | 120,469 | $11.6M | 0.04% | +6,567+5.8% | Added |
| State of Michigan Retirement System | 119,500 | $11.5M | 0.06% | +100+0.1% | Added |
| 2Xideas AG | 115,033 | $11.1M | 1.36% | −25,565−18.2% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 113,227 | $10.9M | 0.14% | −18,362−14.0% | Reduced |
| Arizona State Retirement System | 112,320 | $10.9M | 0.08% | +93+0.1% | Added |
| Handelsbanken Fonder AB | 108,265 | $10.5M | 0.05% | +4,082+3.9% | Added |
| State of Alaska, Department of Revenue | 107,231 | $10.4M | 0.12% | +205+0.2% | Added |
| Assenagon Asset Management S.A. | 106,057 | $10.2M | 0.03% | −63,297−37.4% | Reduced |
| Ninety One North America, Inc. | 104,946 | $10.1M | 0.49% | +35,806+51.8% | Added |
| MetLife Investment Management | 102,717 | $9.92M | 0.07% | −3,492−3.3% | Reduced |
| Thematics Asset Management | 101,432 | $9.80M | 0.41% | −400.0% | Reduced |
| LPL Financial LLC | 100,472 | $9.71M | 0.01% | +11,844+13.4% | Added |
| SG Americas Securities, LLC | 99,800 | $9.64M | 0.05% | +79,467+390.8% | Added |
| Night Owl Capital Management, LLC | 98,750 | $9.54M | 1.45% | +4,249+4.5% | Added |
| Azzad Asset Management Inc | 97,214 | $9.39M | 1.09% | +512+0.5% | Added |
| Foster Victor Wealth Advisors, LLC | 100,442 | $9.32M | 0.85% | +6,272+6.7% | Added |
| DekaBank Deutsche Girozentrale | 96,765 | $9.30M | 0.02% | −3,159−3.2% | Reduced |
| MML Investors Services, LLC | 95,377 | $9.21M | 0.04% | −2,155−2.2% | Reduced |
| Lakehouse Capital Pty Ltd | 94,408 | $9.12M | 7.09% | −17,197−15.4% | Reduced |
| The PNC Financial Services Group, Inc. | 94,369 | $9.12M | 0.01% | +59+0.1% | Added |
| Susquehanna International Group, LLP | 94,254 | $9.10M | 0.01% | −120,138−56.0% | Reduced |
| KBC Group NV | 93,341 | $9.02M | 0.03% | −34,215−26.8% | Reduced |
| Retirement Systems of Alabama | 90,130 | $8.71M | 0.03% | +130+0.1% | Added |