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 |
|---|---|---|---|---|---|
| State of Wisconsin Investment Board | 226,355 | $19.8M | 0.06% | +8,978+4.1% | Added |
| Chevy Chase Trust Holdings, Inc. | 228,116 | $19.9M | 0.07% | −1,412−0.6% | Reduced |
| State of New Jersey Common Pension Fund D | 232,141 | $20.3M | 0.07% | 00.0% | Unchanged |
| Stifel Financial Corp | 245,025 | $21.4M | 0.03% | +8,517+3.6% | Added |
| CIBC World Markets Corp | 246,706 | $21.6M | 0.12% | +177,196+254.9% | Added |
| Baskin Financial Services Inc. | 250,186 | $21.9M | 1.97% | +2,161+0.9% | Added |
| Asset Management One Co.,Ltd. | 262,154 | $23.1M | 0.09% | −5,661−2.1% | Reduced |
| Neuberger Berman Group LLC | 265,515 | $23.2M | 0.02% | −3,932−1.5% | Reduced |
| Toronto Dominion Bank | 273,660 | $23.9M | 0.03% | +24,584+9.9% | Added |
| Pelham Capital Ltd. | 277,237 | $24.2M | 10.81% | −72,679−20.8% | Reduced |
| Truist Financial Corp | 287,229 | $25.1M | 0.04% | −52,789−15.5% | Reduced |
| Frontier Capital Management Co LLC | 292,208 | $25.5M | 0.26% | +292,208 | New |
| Kornitzer Capital Management Inc | 293,874 | $25.7M | 0.50% | −5,050−1.7% | Reduced |
| Great West Life Assurance Co | 297,630 | $25.9M | 0.06% | +17,198+6.1% | Added |
| First Trust Advisors LP | 296,344 | $25.9M | 0.03% | −97,298−24.7% | Reduced |
| Prudential Financial Inc | 304,138 | $26.3M | 0.04% | −61,333−16.8% | Reduced |
| National Bank of Canada | 330,774 | $28.3M | 0.05% | +176,229+114.0% | Added |
| Manufacturers Life Insurance Company, The | 324,918 | $28.4M | 0.02% | +13,426+4.3% | Added |
| Ashford Capital Management Inc | 325,176 | $28.4M | 3.81% | −25,150−7.2% | Reduced |
| Sandhill Capital Partners LLC | 339,446 | $29.7M | 2.46% | +5,465+1.6% | Added |
| Russell Investments Group, Ltd. | 345,551 | $30.2M | 0.05% | −83,262−19.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 346,700 | $30.3M | 0.06% | −284,300−45.1% | Reduced |
| Parnassus Investments | 348,207 | $30.4M | 0.07% | 00.0% | Unchanged |
| Vantage Investment Partners, LLC | 348,860 | $30.5M | 3.04% | +161,664+86.4% | Added |
| NZS Capital, LLC | 361,760 | $31.6M | 1.67% | +58,968+19.5% | Added |
| Fred Alger Management, LLC | 362,360 | $31.7M | 0.17% | −76,935−17.5% | Reduced |
| CI Private Wealth, LLC | 373,543 | $32.6M | 0.06% | +79,793+27.2% | Added |
| ProShare Advisors LLC | 386,321 | $33.8M | 0.10% | −67,118−14.8% | Reduced |
| New York State Teachers Retirement System | 401,282 | $35.1M | 0.08% | −509−0.1% | Reduced |
| Royal London Asset Management Ltd | 403,207 | $35.2M | 0.10% | +7,130+1.8% | Added |
| Bridgewater Associates, LP | 414,220 | $36.2M | 0.20% | −38,381−8.5% | Reduced |
| BNP Paribas Arbitrage, SA | 417,373 | $36.5M | 0.07% | +74,357+21.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 427,558 | $37.4M | 0.08% | −15,405−3.5% | Reduced |
| Jennison Associates LLC | 438,558 | $38.3M | 0.03% | −176,967−28.8% | Reduced |
| Ironvine Capital Partners, LLC | 452,356 | $39.5M | 4.74% | −21,651−4.6% | Reduced |
| State Board of Administration of Florida Retirement System | 453,704 | $39.6M | 0.08% | −5,919−1.3% | Reduced |
| Ycg, LLC | 456,707 | $39.9M | 3.30% | −1840.0% | Reduced |
| Geneva Capital Management LLC | 459,017 | $40.1M | 0.76% | −2,788−0.6% | Reduced |
| Natixis Advisors, L.P. | 459,416 | $40.1M | 0.11% | +45,228+10.9% | Added |
| Allspring Global Investments Holdings, LLC | 459,693 | $40.2M | 0.07% | −491,117−51.7% | Reduced |
| New York State Common Retirement Fund | 466,801 | $40.8M | 0.06% | −39,131−7.7% | Reduced |
| Credit Suisse AG | 467,130 | $40.8M | 0.04% | +12,717+2.8% | Added |
| Alliancebernstein L.P. | 484,244 | $42.3M | 0.02% | +3,331+0.7% | Added |
| Quantum Capital Management, LLC | 496,547 | $43.4M | 5.11% | −57,982−10.5% | Reduced |
| Bank of Montreal | 502,920 | $44.3M | 0.02% | +185,880+58.6% | Added |
| Clearbridge Investments, LLC | 521,039 | $45.5M | 0.04% | −10,120−1.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 556,495 | $46.1M | 0.08% | +22,138+4.1% | Added |
| Stephens Investment Management Group LLC | 536,022 | $46.8M | 0.68% | −10,836−2.0% | Reduced |
| HSBC Holdings PLC | 587,186 | $51.3M | 0.05% | +17,387+3.1% | Added |
| Citigroup Inc | 605,424 | $52.9M | 0.07% | +38,143+6.7% | Added |
| Twinbeech Capital LP | 618,101 | $54.0M | 0.87% | +618,101 | New |
| Raymond James & Associates | 627,021 | $54.8M | 0.04% | +25,260+4.2% | Added |
| Peregrine Capital Management LLC | 630,496 | $55.1M | 1.66% | −23,922−3.7% | Reduced |
| JPMorgan Chase & Co | 639,946 | $55.9M | 0.01% | −292,607−31.4% | Reduced |
| TD Asset Management Inc | 648,788 | $56.7M | 0.06% | −39,976−5.8% | Reduced |
| California State Teachers Retirement System | 650,178 | $56.8M | 0.08% | +14,025+2.2% | Added |
| Spyglass Capital Management LLC | 657,797 | $57.5M | 4.14% | +657,797 | New |
| STRS Ohio | 670,000 | $58.6M | 0.24% | −85,500−11.3% | Reduced |
| Amundi | 724,957 | $60.7M | 0.03% | +325,802+81.6% | Added |
| Granahan Investment Management Inc | 712,084 | $62.2M | 2.06% | −53,050−6.9% | Reduced |
| California Public Employees Retirement System | 728,286 | $63.6M | 0.05% | −28,089−3.7% | Reduced |
| Ci Investments Inc. | 730,635 | $63.9M | 0.33% | −132,000−15.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 737,720 | $64.5M | 0.15% | −82,928−10.1% | Reduced |
| TimesSquare Capital Management, LLC | 740,641 | $64.7M | 0.95% | −121,195−14.1% | Reduced |
| Victory Capital Management Inc | 767,602 | $67.1M | 0.07% | −283,262−27.0% | Reduced |
| Wells Fargo & Company | 771,915 | $67.5M | 0.02% | −12,291−1.6% | Reduced |
| Rhumbline Advisers | 773,373 | $67.6M | 0.07% | −9,256−1.2% | Reduced |
| Beck Mack & Oliver LLC | 774,010 | $67.6M | 1.57% | −8,895−1.1% | Reduced |
| American Capital Management Inc | 820,097 | $71.7M | 2.45% | −13,225−1.6% | Reduced |
| Royal Bank of Canada | 830,347 | $72.6M | 0.02% | +104,337+14.4% | Added |
| Rathbone Brothers plc | 835,990 | $73.1M | 0.47% | −2,284−0.3% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 876,500 | $76.6M | 4.04% | −70,500−7.4% | Reduced |
| Pictet Asset Management Holding SA | 911,183 | $79.6M | 0.09% | −13,597−1.5% | Reduced |
| Chicago Capital, LLC | 914,798 | $79.9M | 2.88% | −3,085−0.3% | Reduced |
| Deutsche Bank AG | 922,944 | $80.7M | 0.04% | +183,219+24.8% | Added |
| UBS Group AG | 924,743 | $80.8M | 0.03% | +170,596+22.6% | Added |
| National Pension Service | 937,445 | $81.9M | 0.11% | +27,388+3.0% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,018,017 | $89.0M | 0.07% | −956−0.1% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,046,965 | $91.5M | 0.23% | +17,038+1.7% | Added |
| Eagle Asset Management Inc | 1,067,431 | $93.3M | 0.50% | +4100.0% | Added |
| CIBC Private Wealth Group, LLC | 1,072,575 | $93.7M | 0.20% | −159,683−13.0% | Reduced |
| Putnam Investments LLC | 1,134,823 | $99.2M | 0.13% | +114,550+11.2% | Added |
| Baird Financial Group, Inc. | 1,147,389 | $100.3M | 0.23% | +283,927+32.9% | Added |
| SEI Investments Co | 1,147,447 | $100.3M | 0.16% | −26,102−2.2% | Reduced |
| Nuveen Asset Management, LLC | 1,163,123 | $101.6M | 0.03% | −52,460−4.3% | Reduced |
| Swiss National Bank | 1,276,900 | $111.6M | 0.08% | −37,200−2.8% | Reduced |
| Dimensional Fund Advisors LP | 1,320,016 | $115.4M | 0.03% | +62,928+5.0% | Added |
| Westfield Capital Management Co LP | 1,398,896 | $122.2M | 0.71% | +731,375+109.6% | Added |
| Franklin Resources Inc | 1,401,139 | $122.4M | 0.06% | +29,737+2.2% | Added |
| Barclays PLC | 1,414,413 | $123.6M | 0.06% | +487,156+52.5% | Added |
| UBS Asset Management Americas Inc | 1,492,573 | $130.4M | 0.05% | +100,368+7.2% | Added |
| Ensign Peak Advisors, Inc | 1,561,876 | $136.5M | 0.27% | −212,038−12.0% | Reduced |
| Price T Rowe Associates Inc | 1,568,900 | $137.1M | 0.02% | −20,078−1.3% | Reduced |
| FMR LLC | 1,585,222 | $138.5M | 0.01% | +179,808+12.8% | Added |
| RGM Capital, LLC | 1,592,626 | $139.2M | 5.70% | +39,994+2.6% | Added |
| Vulcan Value Partners, LLC | 1,600,687 | $139.7M | 2.05% | −122,383−7.1% | Reduced |
| William Blair Investment Management, LLC | 1,678,036 | $146.6M | 0.43% | +66,306+4.1% | Added |
| Harding Loevner LP | 1,731,445 | $151.1M | 0.85% | −28,301−1.6% | Reduced |
| Envestnet Asset Management Inc | 1,817,818 | $158.9M | 0.07% | +42,004+2.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,960,022 | $171.3M | 0.48% | +144,506+8.0% | Added |