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 |
|---|---|---|---|---|---|
| Gilder Gagnon Howe & Co LLC | 142,364 | $13.8M | 0.17% | +142,364 | New |
| Pragma Gestao de Patrimonio Ltd | 143,000 | $13.8M | 7.23% | +33,000+30.0% | Added |
| Scout Investments, Inc. | 147,751 | $14.0M | 0.34% | −27,201−15.5% | Reduced |
| Walleye Capital LLC | 145,435 | $14.0M | 0.15% | +57,474+65.3% | Added |
| Northwestern Mutual Wealth Management Co | 148,982 | $14.4M | 0.01% | −2,009−1.3% | Reduced |
| Stony Point Capital LLC | 149,160 | $14.4M | 4.73% | 00.0% | Unchanged |
| Cetera Investment Advisers | 150,203 | $14.5M | 0.03% | +84,854+129.8% | Added |
| Oppenheimer Asset Management Inc. | 150,506 | $14.5M | 0.21% | −30,964−17.1% | Reduced |
| American International Group, Inc. | 155,585 | $15.0M | 0.05% | −6,034−3.7% | Reduced |
| Prana Capital Management, LP | 156,668 | $15.1M | 0.68% | +20,264+14.9% | Added |
| Teachers Retirement System of the State of Kentucky | 158,315 | $15.3M | 0.14% | +5,468+3.6% | Added |
| Standard Life Aberdeen plc | 169,731 | $16.4M | 0.03% | +480.0% | Added |
| Gillson Capital LP | 170,001 | $16.4M | 1.56% | +170,001 | New |
| CIBC World Markets Inc. | 175,135 | $16.9M | 0.04% | −19,059−9.8% | Reduced |
| Falcon Edge Capital, LP | 175,183 | $16.9M | 5.14% | +175,183 | New |
| NS Partners Ltd | 177,881 | $17.2M | 0.79% | +1,160+0.7% | Added |
| Rafferty Asset Management, LLC | 179,763 | $17.4M | 0.06% | +1,442+0.8% | Added |
| Erste Asset Management GmbH | 180,000 | $17.4M | 0.24% | 00.0% | Unchanged |
| Archon Partners LLC | 185,500 | $17.9M | 2.19% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 185,684 | $17.9M | 0.08% | +1,160+0.6% | Added |
| Badgley Phelps Wealth Managers, LLC | 186,772 | $18.0M | 0.45% | −2,701−1.4% | Reduced |
| National Bank of Canada | 200,931 | $18.1M | 0.03% | −129,843−39.3% | Reduced |
| Danske Bank A/S | 188,431 | $18.2M | 0.06% | +188,431 | New |
| Public Employees Retirement System of Ohio | 188,753 | $18.2M | 0.07% | −20,297−9.7% | Reduced |
| CIBC World Markets Corp | 194,986 | $18.8M | 0.12% | −51,720−21.0% | Reduced |
| Pelham Capital Ltd. | 200,377 | $19.4M | 11.63% | −76,860−27.7% | Reduced |
| Bridgewater Associates, LP | 206,005 | $19.9M | 0.10% | −208,215−50.3% | Reduced |
| Korea Investment CORP | 220,336 | $21.3M | 0.05% | +43,860+24.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 226,113 | $21.8M | 0.07% | −2,003−0.9% | Reduced |
| Thrivent Financial for Lutherans | 230,225 | $22.2M | 0.04% | +50,276+27.9% | Added |
| State of New Jersey Common Pension Fund D | 232,141 | $22.4M | 0.07% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 232,273 | $22.4M | 0.06% | +5,918+2.6% | Added |
| Sandhill Capital Partners LLC | 243,738 | $23.5M | 1.88% | −95,708−28.2% | Reduced |
| Telemark Asset Management, LLC | 250,000 | $24.1M | 2.50% | +100,000+66.7% | Added |
| Asset Management One Co.,Ltd. | 254,097 | $24.5M | 0.09% | −8,057−3.1% | Reduced |
| Stifel Financial Corp | 255,553 | $24.7M | 0.03% | +10,528+4.3% | Added |
| Baskin Financial Services Inc. | 258,142 | $24.9M | 2.09% | +7,956+3.2% | Added |
| First Trust Advisors LP | 261,546 | $25.3M | 0.03% | −34,798−11.7% | Reduced |
| Truist Financial Corp | 266,075 | $25.7M | 0.04% | −21,154−7.4% | Reduced |
| Ninety One UK Ltd | 285,140 | $27.5M | 0.08% | +82,649+40.8% | Added |
| Kornitzer Capital Management Inc | 286,076 | $27.6M | 0.51% | −7,798−2.7% | Reduced |
| Manufacturers Life Insurance Company, The | 286,201 | $27.6M | 0.03% | −38,717−11.9% | Reduced |
| Lord, Abbett & Co. LLC | 294,474 | $28.4M | 0.09% | +294,474 | New |
| Prudential Financial Inc | 294,663 | $28.5M | 0.04% | −9,475−3.1% | Reduced |
| Neuberger Berman Group LLC | 302,022 | $29.2M | 0.02% | +36,507+13.7% | Added |
| Great West Life Assurance Co | 305,531 | $29.5M | 0.06% | +7,901+2.7% | Added |
| Motley Fool Wealth Management, LLC | 314,460 | $30.4M | 1.57% | +87,261+38.4% | Added |
| Ashford Capital Management Inc | 321,410 | $31.0M | 4.20% | −3,766−1.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 425,349 | $32.3M | 0.07% | −2,209−0.5% | Reduced |
| State Board of Administration of Florida Retirement System | 477,691 | $32.9M | 0.08% | +23,987+5.3% | Added |
| Parnassus Investments | 348,207 | $33.6M | 0.07% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 349,584 | $33.8M | 0.17% | −12,776−3.5% | Reduced |
| New York State Teachers Retirement System | 359,816 | $34.8M | 0.07% | −41,466−10.3% | Reduced |
| Artemis Investment Management LLP | 385,742 | $37.2M | 0.48% | +385,742 | New |
| New York State Common Retirement Fund | 392,635 | $37.9M | 0.05% | −74,166−15.9% | Reduced |
| Geneva Capital Management LLC | 397,481 | $38.4M | 0.68% | −61,536−13.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 400,500 | $38.7M | 0.07% | +53,800+15.5% | Added |
| Russell Investments Group, Ltd. | 401,314 | $38.8M | 0.06% | +55,763+16.1% | Added |
| Allspring Global Investments Holdings, LLC | 409,494 | $39.6M | 0.06% | −50,199−10.9% | Reduced |
| Vantage Investment Partners, LLC | 409,769 | $39.6M | 3.54% | +60,909+17.5% | Added |
| Royal London Asset Management Ltd | 427,023 | $41.3M | 0.10% | +23,816+5.9% | Added |
| NZS Capital, LLC | 435,730 | $42.1M | 1.75% | +73,970+20.4% | Added |
| Ycg, LLC | 444,289 | $42.7M | 3.39% | −12,418−2.7% | Reduced |
| ING Groep NV | 443,722 | $42.9M | 0.29% | +361,804+441.7% | Added |
| Bank of Montreal | 443,727 | $43.0M | 0.02% | −59,193−11.8% | Reduced |
| CI Private Wealth, LLC | 445,843 | $43.1M | 0.08% | +72,300+19.4% | Added |
| Ironvine Capital Partners, LLC | 453,748 | $43.8M | 4.81% | +1,392+0.3% | Added |
| TD Asset Management Inc | 455,493 | $44.0M | 0.04% | −193,295−29.8% | Reduced |
| ProShare Advisors LLC | 466,562 | $45.1M | 0.12% | +80,241+20.8% | Added |
| Natixis Advisors, L.P. | 478,047 | $46.2M | 0.11% | +18,631+4.1% | Added |
| Citadel Advisors LLC | 489,917 | $47.3M | 0.05% | +483,702+7,782.8% | Added |
| Jennison Associates LLC | 508,951 | $49.2M | 0.03% | +70,393+16.1% | Added |
| Credit Suisse AG | 511,622 | $49.4M | 0.05% | +44,492+9.5% | Added |
| Clearbridge Investments, LLC | 522,077 | $50.4M | 0.04% | +1,038+0.2% | Added |
| STRS Ohio | 530,000 | $51.2M | 0.20% | −140,000−20.9% | Reduced |
| Alliancebernstein L.P. | 536,986 | $51.9M | 0.02% | +52,742+10.9% | Added |
| Stephens Investment Management Group LLC | 539,295 | $52.1M | 0.69% | +3,273+0.6% | Added |
| Quantum Capital Management, LLC | 582,434 | $56.3M | 6.12% | +85,887+17.3% | Added |
| Citigroup Inc | 590,655 | $57.1M | 0.06% | −14,769−2.4% | Reduced |
| Granahan Investment Management Inc | 610,998 | $59.0M | 2.07% | −101,086−14.2% | Reduced |
| Raymond James & Associates | 617,113 | $59.6M | 0.04% | −9,908−1.6% | Reduced |
| Peregrine Capital Management LLC | 620,254 | $59.9M | 1.72% | −10,242−1.6% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 630,505 | $60.9M | 0.08% | +74,010+13.3% | Added |
| California State Teachers Retirement System | 656,559 | $63.4M | 0.08% | +6,381+1.0% | Added |
| HSBC Holdings PLC | 662,838 | $64.0M | 0.05% | +75,652+12.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 669,679 | $64.7M | 0.15% | −68,041−9.2% | Reduced |
| Amundi | 801,888 | $67.5M | 0.03% | +76,931+10.6% | Added |
| TimesSquare Capital Management, LLC | 699,461 | $67.6M | 0.98% | −41,180−5.6% | Reduced |
| California Public Employees Retirement System | 709,750 | $68.6M | 0.05% | −18,536−2.5% | Reduced |
| Ci Investments Inc. | 712,838 | $68.9M | 0.27% | −17,797−2.4% | Reduced |
| Victory Capital Management Inc | 755,456 | $73.0M | 0.07% | −12,146−1.6% | Reduced |
| BNP Paribas Arbitrage, SA | 765,493 | $73.9M | 0.09% | +348,120+83.4% | Added |
| Rhumbline Advisers | 784,939 | $75.8M | 0.07% | +11,566+1.5% | Added |
| Frontier Capital Management Co LLC | 798,164 | $77.1M | 0.72% | +505,956+173.1% | Added |
| Spyglass Capital Management LLC | 806,193 | $77.9M | 5.19% | +148,396+22.6% | Added |
| American Capital Management Inc | 813,599 | $78.6M | 2.52% | −6,498−0.8% | Reduced |
| Rathbone Brothers plc | 835,591 | $80.7M | 0.47% | −3990.0% | Reduced |
| Royal Bank of Canada | 861,700 | $83.2M | 0.02% | +31,353+3.8% | Added |
| Beck Mack & Oliver LLC | 867,942 | $83.8M | 1.70% | +93,932+12.1% | Added |
| Deutsche Bank AG | 876,269 | $84.6M | 0.04% | −46,675−5.1% | Reduced |