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, Q4 2023
Institutional positions in Costar Group, Inc. as of Dec 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
- 737
- +55 vs. Q3 2023
- Shares held
- 394.1M
- +2.25M (+0.6%) vs. Q3 2023
- Total value
- $34.4B
- +$4.26B (+14.1%) vs. Q3 2023
- New holders
- 105
- 283 more added
- Sold out
- 50
- 261 more reduced
8 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ycg, LLC | 456,707 | $39.9M | 3.30% | −1840.0% | Reduced |
| State Board of Administration of Florida Retirement System | 453,704 | $39.6M | 0.08% | −5,919−1.3% | Reduced |
| Ironvine Capital Partners, LLC | 452,356 | $39.5M | 4.74% | −21,651−4.6% | Reduced |
| Jennison Associates LLC | 438,558 | $38.3M | 0.03% | −176,967−28.8% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 427,558 | $37.4M | 0.08% | −15,405−3.5% | Reduced |
| BNP Paribas Arbitrage, SA | 417,373 | $36.5M | 0.07% | +74,357+21.7% | Added |
| Bridgewater Associates, LP | 414,220 | $36.2M | 0.20% | −38,381−8.5% | Reduced |
| Royal London Asset Management Ltd | 403,207 | $35.2M | 0.10% | +7,130+1.8% | Added |
| New York State Teachers Retirement System | 401,282 | $35.1M | 0.08% | −509−0.1% | Reduced |
| ProShare Advisors LLC | 386,321 | $33.8M | 0.10% | −67,118−14.8% | Reduced |
| CI Private Wealth, LLC | 373,543 | $32.6M | 0.06% | +79,793+27.2% | Added |
| Fred Alger Management, LLC | 362,360 | $31.7M | 0.17% | −76,935−17.5% | Reduced |
| NZS Capital, LLC | 361,760 | $31.6M | 1.67% | +58,968+19.5% | Added |
| Vantage Investment Partners, LLC | 348,860 | $30.5M | 3.04% | +161,664+86.4% | Added |
| Parnassus Investments | 348,207 | $30.4M | 0.07% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 346,700 | $30.3M | 0.06% | −284,300−45.1% | Reduced |
| Russell Investments Group, Ltd. | 345,551 | $30.2M | 0.05% | −83,262−19.4% | Reduced |
| Sandhill Capital Partners LLC | 339,446 | $29.7M | 2.46% | +5,465+1.6% | Added |
| Ashford Capital Management Inc | 325,176 | $28.4M | 3.81% | −25,150−7.2% | Reduced |
| Manufacturers Life Insurance Company, The | 324,918 | $28.4M | 0.02% | +13,426+4.3% | Added |
| National Bank of Canada | 330,774 | $28.3M | 0.05% | +176,229+114.0% | Added |
| Prudential Financial Inc | 304,138 | $26.3M | 0.04% | −61,333−16.8% | Reduced |
| First Trust Advisors LP | 296,344 | $25.9M | 0.03% | −97,298−24.7% | Reduced |
| Great West Life Assurance Co | 297,630 | $25.9M | 0.06% | +17,198+6.1% | Added |
| Kornitzer Capital Management Inc | 293,874 | $25.7M | 0.50% | −5,050−1.7% | Reduced |
| Frontier Capital Management Co LLC | 292,208 | $25.5M | 0.26% | +292,208 | New |
| Truist Financial Corp | 287,229 | $25.1M | 0.04% | −52,789−15.5% | Reduced |
| Pelham Capital Ltd. | 277,237 | $24.2M | 10.81% | −72,679−20.8% | Reduced |
| Toronto Dominion Bank | 273,660 | $23.9M | 0.03% | +24,584+9.9% | Added |
| Neuberger Berman Group LLC | 265,515 | $23.2M | 0.02% | −3,932−1.5% | Reduced |
| Asset Management One Co.,Ltd. | 262,154 | $23.1M | 0.09% | −5,661−2.1% | Reduced |
| Baskin Financial Services Inc. | 250,186 | $21.9M | 1.97% | +2,161+0.9% | Added |
| CIBC World Markets Corp | 246,706 | $21.6M | 0.12% | +177,196+254.9% | Added |
| Stifel Financial Corp | 245,025 | $21.4M | 0.03% | +8,517+3.6% | Added |
| State of New Jersey Common Pension Fund D | 232,141 | $20.3M | 0.07% | 00.0% | Unchanged |
| Chevy Chase Trust Holdings, Inc. | 228,116 | $19.9M | 0.07% | −1,412−0.6% | Reduced |
| State of Wisconsin Investment Board | 226,355 | $19.8M | 0.06% | +8,978+4.1% | Added |
| Motley Fool Wealth Management, LLC | 227,199 | $19.8M | 1.04% | −8,562−3.6% | Reduced |
| Susquehanna International Group, LLP | 214,392 | $18.7M | 0.03% | +62,894+41.5% | Added |
| Public Employees Retirement System of Ohio | 209,050 | $18.3M | 0.07% | +4,558+2.2% | Added |
| Ninety One UK Ltd | 202,491 | $17.7M | 0.05% | 00.0% | Unchanged |
| Voya Investment Management LLC | 199,955 | $17.5M | 0.02% | −50,684−20.2% | Reduced |
| CIBC World Markets Inc. | 194,194 | $17.0M | 0.05% | +194,194 | New |
| Badgley Phelps Wealth Managers, LLC | 189,473 | $16.6M | 0.45% | +21,202+12.6% | Added |
| Balyasny Asset Management LLC | 188,264 | $16.5M | 0.05% | +183,937+4,250.9% | Added |
| Archon Partners LLC | 185,500 | $16.2M | 2.23% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 184,524 | $16.1M | 0.08% | +1,760+1.0% | Added |
| Oppenheimer Asset Management Inc. | 181,470 | $15.9M | 0.22% | +2,586+1.4% | Added |
| Erste Asset Management GmbH | 180,000 | $15.7M | 0.23% | −15,000−7.7% | Reduced |
| Thrivent Financial for Lutherans | 179,949 | $15.7M | 0.03% | +162,785+948.4% | Added |
| Rafferty Asset Management, LLC | 178,321 | $15.6M | 0.07% | +26,132+17.2% | Added |
| NS Partners Ltd | 176,721 | $15.4M | 0.75% | +1,260+0.7% | Added |
| Korea Investment CORP | 176,476 | $15.4M | 0.04% | −288,111−62.0% | Reduced |
| AE Wealth Management LLC | 179,975 | $15.3M | 0.08% | −13,352−6.9% | Reduced |
| Scout Investments, Inc. | 174,952 | $15.3M | 0.38% | −36,388−17.2% | Reduced |
| Standard Life Aberdeen plc | 169,683 | $14.8M | 0.03% | +69,744+69.8% | Added |
| Assenagon Asset Management S.A. | 169,354 | $14.8M | 0.05% | +74,375+78.3% | Added |
| Point72 Asset Management, L.P. | 162,000 | $14.2M | 0.04% | +88,800+121.3% | Added |
| American International Group, Inc. | 161,619 | $14.1M | 0.06% | −1,288−0.8% | Reduced |
| State of Tennessee, Treasury Department | 159,595 | $13.9M | 0.05% | −25,246−13.7% | Reduced |
| Marshall Wace, LLP | 158,119 | $13.8M | 0.03% | −569,108−78.3% | Reduced |
| LTS One Management LP | 155,000 | $13.5M | 3.17% | +55,000+55.0% | Added |
| Teachers Retirement System of the State of Kentucky | 152,847 | $13.4M | 0.12% | −55,778−26.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 150,991 | $13.2M | 0.01% | +9,829+7.0% | Added |
| Telemark Asset Management, LLC | 150,000 | $13.1M | 1.95% | +20,000+15.4% | Added |
| Stony Point Capital LLC | 149,160 | $13.0M | 4.30% | −37,553−20.1% | Reduced |
| 2Xideas AG | 140,598 | $12.3M | 1.32% | +1,706+1.2% | Added |
| Kelly Lawrence W & Associates Inc | 139,245 | $12.2M | 2.92% | +139,245 | New |
| Prana Capital Management, LP | 136,404 | $11.9M | 0.70% | −1,748−1.3% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 131,589 | $11.5M | 0.15% | −4,430−3.3% | Reduced |
| Advisor Group Holdings, Inc. | 128,981 | $11.3M | 0.02% | −19,628−13.2% | Reduced |
| KBC Group NV | 127,556 | $11.1M | 0.04% | −2,999−2.3% | Reduced |
| Comerica Bank | 124,895 | $10.9M | 0.05% | +5,315+4.4% | Added |
| Guggenheim Capital LLC | 124,296 | $10.9M | 0.08% | +10,454+9.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 122,728 | $10.7M | 0.04% | +52,563+74.9% | Added |
| Nomura Asset Management Co Ltd | 120,939 | $10.6M | 0.04% | +4,621+4.0% | Added |
| State of Michigan Retirement System | 119,400 | $10.4M | 0.06% | +7,500+6.7% | Added |
| Storebrand Asset Management AS | 119,371 | $10.4M | 0.04% | +6,718+6.0% | Added |
| CIBC Asset Management Inc | 113,902 | $9.95M | 0.04% | +113+0.1% | Added |
| Arizona State Retirement System | 112,227 | $9.81M | 0.07% | +770+0.7% | Added |
| Lakehouse Capital Pty Ltd | 111,605 | $9.75M | 7.79% | −14,715−11.6% | Reduced |
| Pragma Gestao de Patrimonio Ltd | 110,000 | $9.61M | 5.43% | −3,000−2.7% | Reduced |
| Engineers Gate Manager LP | 109,874 | $9.60M | 0.27% | +109,874 | New |
| State of Alaska, Department of Revenue | 107,026 | $9.35M | 0.11% | −4,415−4.0% | Reduced |
| MetLife Investment Management | 106,209 | $9.28M | 0.07% | −1,946−1.8% | Reduced |
| Caisse de Depot Et Placement du Quebec | 105,859 | $9.25M | 0.02% | +104,624+8,471.6% | Added |
| Handelsbanken Fonder AB | 104,183 | $9.11M | 0.04% | −75,644−42.1% | Reduced |
| Thematics Asset Management | 101,472 | $8.87M | 0.39% | −3,826−3.6% | Reduced |
| Amalgamated Bank | 101,048 | $8.83M | 0.07% | −5,929−5.5% | Reduced |
| DekaBank Deutsche Girozentrale | 99,924 | $8.72M | 0.02% | +2,921+3.0% | Added |
| US Bancorp | 97,868 | $8.55M | 0.01% | +3,596+3.8% | Added |
| MML Investors Services, LLC | 97,532 | $8.52M | 0.04% | +13,058+15.5% | Added |
| Tower Research Capital LLC (TRC) | 96,988 | $8.48M | 0.10% | +71,166+275.6% | Added |
| Azzad Asset Management Inc | 96,702 | $8.45M | 1.07% | +2,323+2.5% | Added |
| DnB Asset Management AS | 95,202 | $8.32M | 0.04% | +32,292+51.3% | Added |
| Azimuth Capital Investment Management LLC | 95,102 | $8.31M | 0.37% | −210−0.2% | Reduced |
| The PNC Financial Services Group, Inc. | 94,310 | $8.24M | 0.01% | +11,858+14.4% | Added |
| Jane Street Group, LLC | 92,478 | $8.08M | 0.01% | −13,587−12.8% | Reduced |
| Andra AP-fonden | 91,600 | $8.00M | 0.42% | −26,500−22.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 90,710 | $7.93M | 0.03% | +77,710+597.8% | Added |