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 |
|---|---|---|---|---|---|
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 608,103 | $41.9M | 0.10% | +62,312+11.4% | Added |
| Raymond James & Associates | 629,312 | $43.3M | 0.04% | −25,405−3.9% | Reduced |
| Royal Bank of Canada | 640,316 | $44.1M | 0.01% | +322,278+101.3% | Added |
| Peregrine Capital Management LLC | 659,500 | $45.4M | 1.31% | +3,904+0.6% | Added |
| California State Teachers Retirement System | 675,127 | $46.5M | 0.07% | +6,167+0.9% | Added |
| TD Asset Management Inc | 696,042 | $47.9M | 0.06% | −27,648−3.8% | Reduced |
| APG Asset Management N.V. | 764,657 | $48.5M | 0.10% | +57,858+8.2% | Added |
| FMR LLC | 724,143 | $49.9M | 0.00% | −484,275−40.1% | Reduced |
| D. E. Shaw & Co., Inc. | 725,804 | $50.0M | 0.08% | −166,763−18.7% | Reduced |
| Rhumbline Advisers | 747,130 | $51.4M | 0.06% | +14,164+1.9% | Added |
| Allspring Global Investments Holdings, LLC | 758,167 | $52.2M | 0.09% | +420,451+124.5% | Added |
| California Public Employees Retirement System | 775,029 | $53.4M | 0.05% | −118,199−13.2% | Reduced |
| Beck Mack & Oliver LLC | 781,507 | $53.8M | 1.55% | +6,416+0.8% | Added |
| Granahan Investment Management Inc | 794,943 | $54.7M | 1.67% | −571,919−41.8% | Reduced |
| STRS Ohio | 820,000 | $56.5M | 0.24% | −169,602−17.1% | Reduced |
| Rathbone Brothers plc | 826,883 | $56.9M | 0.58% | −2,117−0.3% | Reduced |
| Eagle Asset Management Inc | 839,449 | $57.8M | 0.34% | +839,449 | New |
| American Capital Management Inc | 841,480 | $57.9M | 2.04% | +29,334+3.6% | Added |
| Wells Fargo & Company | 853,156 | $58.7M | 0.02% | +3,110+0.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 853,640 | $58.8M | 0.14% | −25,239−2.9% | Reduced |
| Amundi | 870,846 | $59.0M | 0.03% | +540,996+164.0% | Added |
| National Pension Service | 868,983 | $59.2M | 0.11% | +375,757+76.2% | Added |
| Ci Investments Inc. | 874,363 | $60.2M | 0.30% | −295,565−25.3% | Reduced |
| JPMorgan Chase & Co | 880,539 | $60.6M | 0.01% | +380,273+76.0% | Added |
| Westfield Capital Management Co LP | 881,777 | $60.7M | 0.43% | +113,720+14.8% | Added |
| TimesSquare Capital Management, LLC | 919,186 | $63.3M | 0.92% | +88,550+10.7% | Added |
| Chicago Capital, LLC | 924,836 | $63.7M | 3.17% | +90,135+10.8% | Added |
| Baird Financial Group, Inc. | 926,185 | $63.8M | 0.16% | +2,577+0.3% | Added |
| Pictet Asset Management SA | 946,832 | $65.2M | 0.08% | +28,841+3.1% | Added |
| SEI Investments Co | 952,485 | $65.6M | 0.12% | −127,023−11.8% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,079,333 | $74.3M | 0.22% | −21,262−1.9% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 1,100,800 | $75.8M | 4.37% | −5,000−0.5% | Reduced |
| Victory Capital Management Inc | 1,100,980 | $75.8M | 0.09% | +12,568+1.2% | Added |
| Nuveen Asset Management, LLC | 1,132,934 | $78.0M | 0.03% | +71,324+6.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,136,606 | $78.3M | 0.27% | +1,124,704+9,449.7% | Added |
| Dimensional Fund Advisors LP | 1,148,786 | $79.1M | 0.03% | +64,676+6.0% | Added |
| CIBC Private Wealth Group, LLC | 1,165,145 | $80.2M | 0.23% | −41,121−3.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,173,889 | $80.8M | 0.06% | −60,396−4.9% | Reduced |
| Putnam Investments LLC | 1,190,792 | $82.0M | 0.13% | −121,873−9.3% | Reduced |
| UBS Asset Management Americas Inc | 1,237,774 | $85.2M | 0.04% | +23,794+2.0% | Added |
| Capital Research Global Investors | 1,343,831 | $92.5M | 0.03% | +726,394+117.6% | Added |
| Renaissance Technologies LLC | 1,374,480 | $94.6M | 0.13% | +1,374,480 | New |
| RGM Capital, LLC | 1,376,254 | $94.8M | 4.52% | +230,206+20.1% | Added |
| Goldman Sachs Group Inc | 1,379,497 | $95.0M | 0.03% | −143,982−9.5% | Reduced |
| Envestnet Asset Management Inc | 1,414,332 | $97.4M | 0.05% | +28,124+2.0% | Added |
| Champlain Investment Partners, LLC | 1,581,125 | $108.9M | 0.69% | −229,990−12.7% | Reduced |
| Swiss National Bank | 1,614,000 | $111.1M | 0.08% | +4,800+0.3% | Added |
| Marshall Wace, LLP | 1,617,180 | $111.3M | 0.27% | +177,004+12.3% | Added |
| Ensign Peak Advisors, Inc | 1,675,567 | $115.4M | 0.25% | +221,032+15.2% | Added |
| Wellington Management Group LLP | 1,904,922 | $131.2M | 0.03% | −1,399,523−42.4% | Reduced |
| Morgan Stanley | 1,930,615 | $132.9M | 0.01% | −267,159−12.2% | Reduced |
| Bares Capital Management, Inc. | 2,101,058 | $144.7M | 5.12% | −57,390−2.7% | Reduced |
| DF Dent & Co Inc | 2,205,007 | $151.8M | 2.14% | −48,171−2.1% | Reduced |
| Invesco Ltd. | 2,309,648 | $159.0M | 0.04% | −1,712,528−42.6% | Reduced |
| Legal & General Group Plc | 2,344,651 | $161.4M | 0.06% | +119,622+5.4% | Added |
| Charles Schwab Investment Management Inc | 2,351,503 | $161.9M | 0.05% | +25,158+1.1% | Added |
| Findlay Park Partners LLP | 2,382,126 | $164.0M | 1.73% | −155,307−6.1% | Reduced |
| Harding Loevner LP | 2,395,783 | $165.0M | 0.94% | −8,044−0.3% | Reduced |
| Riverbridge Partners LLC | 2,486,287 | $171.2M | 2.40% | −40,054−1.6% | Reduced |
| William Blair Investment Management, LLC | 2,495,388 | $171.8M | 0.60% | −613,118−19.7% | Reduced |
| Mackenzie Financial Corp | 2,552,078 | $175.7M | 0.27% | −2,816−0.1% | Reduced |
| Federated Hermes, Inc. | 2,598,155 | $178.9M | 0.45% | −141,158−5.2% | Reduced |
| Echo Street Capital Management LLC | 2,699,639 | $185.9M | 1.67% | +332,104+14.0% | Added |
| Brown Advisory Inc | 2,748,083 | $189.2M | 0.32% | +2,430,849+766.3% | Added |
| Price T Rowe Associates Inc | 2,947,272 | $202.9M | 0.03% | −3,731,109−55.9% | Reduced |
| Capital International Investors | 3,056,097 | $210.4M | 0.05% | +1,519,195+98.8% | Added |
| Vulcan Value Partners, LLC | 3,094,970 | $213.1M | 2.70% | +401,547+14.9% | Added |
| American Century Companies Inc | 3,405,742 | $233.2M | 0.18% | −708,387−17.2% | Reduced |
| Farallon Capital Management, L.L.C. | 3,411,185 | $234.9M | 1.42% | +1,131,000+49.6% | Added |
| Blair William & Co | 3,755,033 | $258.5M | 1.03% | +44,732+1.2% | Added |
| Northern Trust Corp | 3,860,248 | $265.8M | 0.05% | −71,011−1.8% | Reduced |
| Ameriprise Financial Inc | 3,873,418 | $266.7M | 0.09% | −732,842−15.9% | Reduced |
| Ownership Capital B.V. | 4,025,204 | $277.1M | 4.88% | −13,872−0.3% | Reduced |
| Norges Bank | 4,299,308 | $296.0M | 0.06% | +147,311+3.5% | Added |
| Bank of America Corp | 4,462,622 | $307.3M | 0.04% | +244,535+5.8% | Added |
| Artisan Partners Limited Partnership | 4,634,274 | $319.1M | 0.53% | +785,439+20.4% | Added |
| Bank of New York Mellon Corp | 5,212,851 | $358.9M | 0.08% | +1,578,782+43.4% | Added |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 7,111,430 | $489.6M | 4.31% | 00.0% | Unchanged |
| Franklin Resources Inc | 7,153,631 | $492.5M | 0.25% | −2,000,379−21.9% | Reduced |
| T. Rowe Price Investment Management, Inc. | 7,802,987 | $537.2M | 0.39% | −6,040−0.1% | Reduced |
| Macquarie Group Ltd | 8,698,812 | $598.9M | 0.71% | +770,204+9.7% | Added |
| Sands Capital Management, LLC | 9,600,576 | $661.0M | 2.18% | −352,733−3.5% | Reduced |
| Geode Capital Management, LLC | 9,814,024 | $674.4M | 0.09% | +500,775+5.4% | Added |
| Massachusetts Financial Services Co | 11,542,549 | $794.7M | 0.27% | +413,120+3.7% | Added |
| Baillie Gifford & Co | 12,340,975 | $849.7M | 0.77% | −333,556−2.6% | Reduced |
| Janus Henderson Group PLC | 13,081,306 | $900.6M | 0.59% | +82,995+0.6% | Added |
| State Street Corp | 15,020,694 | $1.03B | 0.06% | −91,296−0.6% | Reduced |
| Bamco Inc | 18,970,081 | $1.31B | 3.92% | −140,122−0.7% | Reduced |
| Principal Financial Group Inc | 19,276,710 | $1.33B | 0.95% | −398,841−2.0% | Reduced |
| BlackRock Inc. | 31,917,467 | $2.20B | 0.07% | +286,782+0.9% | Added |
| Vanguard Group Inc | 45,194,599 | $3.11B | 0.08% | +422,914+0.9% | Added |
| IFP Advisors, Inc | 117 | – | – | −838−87.7% | Reduced |
| Winslow Capital Management, LLC | 0 | $0 | 0.00% | −1,892,293−100.0% | Sold out |
| Junto Capital Management LP | 0 | $0 | 0.00% | −1,010,506−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −774,538−100.0% | Sold out |
| Marsico Capital Management LLC | 0 | $0 | 0.00% | −726,484−100.0% | Sold out |
| Cercano Management LLC | 0 | $0 | 0.00% | −259,919−100.0% | Sold out |
| Varma Mutual Pension Insurance Co | 0 | $0 | 0.00% | −161,851−100.0% | Sold out |
| Oribel Capital Management, LP | 0 | $0 | 0.00% | −149,700−100.0% | Sold out |
| Gillson Capital LP | 0 | $0 | 0.00% | −135,334−100.0% | Sold out |