Costar GroupCSGP
13F holders, Q2 2025 (June 30)873holders +15
89new positions
72sold out
13famous investors
$80.43avg. 13F price*
At the end of Q2 2025, 873 institutions reported holding Costar Group Inc. (CSGP) in their 13F filings, up 15 from Q1 2025. 89 opened new positions and 72 sold out. The largest holders were Vanguard Group Inc. ($5.5B), BlackRock, Inc. ($2.8B) and Baron Capital (BAMCO) ($1.6B). 13 famous investors held it, including Chuck Akre (7.3% of Akre Capital Management's portfolio), Ron Baron (4.3% of Baron Capital (BAMCO)'s portfolio) and Dan Loeb (3.3% of Third Point's portfolio).
- Company
- Costar Group Inc.
- Sector
- Finance
- CUSIP
- 22160N109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 89 | $491.9M |
| Exits | 72 | $500.9M |
All 13F filers, Q1 2025 → Q2 2025: 22,875,262 shares bought and 26,765,479 shares sold, net −3,890,217 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 873 holders
| Vanguard Group Inc. | 0.09% | Add +0.6% | 68,847,483 | $5.5B |
| BlackRock, Inc. | 0.05% | Reduce -6.5% | 35,039,434 | $2.8B |
| Baron Capital (BAMCO) | 4.29% | Add +3.4% | 19,679,935 | $1.6B |
| Principal Financial Group Inc. | 0.79% | Reduce -1.9% | 18,646,649 | $1.5B |
| State Street Corp. | 0.05% | Add +0.9% | 17,732,968 | $1.4B |
| Capital International Investors | 0.21% | Add +1.0% | 14,819,416 | $1.2B |
| Geode Capital Management, LLC | 0.07% | Add +2.4% | 12,357,840 | $989.9M |
| Akre Capital Management | 7.33% | Reduce -0.1% | 9,309,232 | $748.5M |
| Baillie Gifford & Co. | 0.51% | Add +1.2% | 8,540,369 | $686.6M |
| Morgan Stanley | 0.04% | Reduce -6.3% | 7,411,528 | $595.9M |
| Polen Capital Management LLC | 1.71% | Add +4.9% | 6,923,828 | $556.7M |
| Massachusetts Financial Services Co. | 0.17% | Reduce -0.5% | 6,585,677 | $529.5M |
| T. Rowe Price Investment Management, Inc. | 0.33% | Add +1.2% | 6,494,137 | $522.1M |
| Mizuho Markets Americas LLC | 15.55% | Reduce -20.9% | 5,857,342 | $470.9M |
| Norges Bank | 0.05% | Add +0.7% | 5,308,249 | $426.8M |
| Bank of America Corp. | 0.03% | Reduce -16.5% | 5,126,603 | $412.2M |
| Bank of New York Mellon Corp | 0.07% | Reduce -12.4% | 4,844,665 | $389.5M |
| Macquarie Group Ltd. | 0.48% | Reduce -21.7% | 4,834,611 | $388.7M |
| UBS Group AG | 0.08% | Reduce -0.7% | 4,707,934 | $378.5M |
| Invesco Ltd. | 0.06% | Add +3.1% | 4,438,464 | $356.9M |
| Janus Henderson Group PLC | 0.16% | Add +7520.4% | 4,035,827 | $324.5M |
| Capital Research Global Investors | 0.06% | Add +14.9% | 3,931,402 | $316.1M |
| Northern Trust Corp. | 0.04% | Reduce -4.0% | 3,866,232 | $310.8M |
| Vulcan Value Partners, LLC | 5.45% | Reduce -23.1% | 3,716,484 | $309.1M |
| Franklin Resources Inc. | 0.07% | Add +70.3% | 3,439,904 | $276.6M |
| Tiger Global Management | 0.77% | No change | 3,245,109 | $260.9M |
| Amundi | 0.09% | Reduce -5.8% | 3,198,575 | $260.4M |
| Viking Global Investors | 0.75% | New | 3,218,568 | $258.8M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +2.0% | 3,092,123 | $248.6M |
| Third Point | 3.30% | Add +56.2% | 3,085,000 | $248.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.05% | Add +16.9% | 2,981,698 | $239.7M |
| Blair William & Co. | 0.64% | Reduce -1.1% | 2,871,162 | $230.8M |
| Brown Advisory Inc. | 0.28% | Reduce -11.5% | 2,675,994 | $215.1M |
| Legal & General Group Plc | 0.05% | Add +5.1% | 2,504,557 | $201.4M |
| JPMorgan Chase & Co. | 0.01% | Reduce -7.8% | 2,290,851 | $184.2M |
| DF Dent & Co. Inc. | 2.32% | Reduce -4.1% | 2,270,370 | $182.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.44% | Reduce -8.7% | 2,265,030 | $182.1M |
| Goldman Sachs Group Inc. | 0.03% | Reduce -19.1% | 2,183,181 | $175.5M |
| Dimensional Fund Advisors LP | 0.04% | Add +1.0% | 2,168,918 | $174.4M |
| Fayez Sarofim & Co | 0.42% | Add +0.6% | 2,157,133 | $173.4M |
| RGM Capital, LLC | 6.91% | Reduce -4.7% | 2,122,703 | $170.7M |
| Mackenzie Financial Corp. | 0.19% | Reduce -24.3% | 1,863,725 | $149.8M |
| CIBC Private Wealth Group LLC | 0.26% | Add +0.5% | 1,836,295 | $147.6M |
| Riverbridge Partners LLC | 2.27% | Reduce -6.0% | 1,754,018 | $141.0M |
| Envestnet Asset Management Inc. | 0.04% | Reduce -2.6% | 1,739,263 | $139.8M |
| Beck Mack & Oliver LLC | 2.65% | Reduce -4.6% | 1,726,646 | $138.8M |
| Deutsche Bank AG | 0.05% | Add +24.1% | 1,525,802 | $122.7M |
| Federated Hermes, Inc. | 0.22% | Add +0.3% | 1,470,344 | $118.2M |
| Harding Loevner LP | 0.79% | Add +1.9% | 1,467,080 | $118.0M |
| ShawSpring Partners LLC | 13.76% | Add +18.1% | 1,356,060 | $109.0M |
| Wells Fargo & Company | 0.02% | Add +8.0% | 1,331,162 | $107.0M |
| FMR LLC | 0.01% | Reduce -20.9% | 1,295,877 | $104.2M |
| Kensico Capital Management Corp. | 1.98% | Reduce -3.7% | 1,282,400 | $103.1M |
| BNP Paribas Financial Markets | 0.08% | Reduce -23.0% | 1,279,270 | $102.9M |
| Swiss National Bank | 0.06% | Add +7.5% | 1,276,765 | $102.7M |
| Royal Bank of Canada | 0.02% | Reduce -7.8% | 1,274,804 | $102.5M |
| Voya Investment Management LLC | 0.11% | Add +1.1% | 1,231,771 | $99.0M |
| Bares Capital Management, Inc. | 9.48% | Add +7.2% | 1,214,652 | $97.7M |
| T. Rowe Price Associates Inc. | 0.01% | Add +14.6% | 1,195,332 | $96.1M |
| Barclays PLC | 0.04% | Add +12.2% | 1,171,306 | $94.2M |
| Ion Asset Management Ltd. | 5.68% | Add +730.3% | 1,169,833 | $94.1M |
| Nuveen, LLC | 0.02% | Add +3.6% | 1,081,903 | $87.0M |
| Ameriprise Financial Inc. | 0.02% | Reduce -57.3% | 1,077,745 | $86.7M |
| Sumitomo Mitsui Trust Group, Inc. | 0.05% | Add +2.4% | 1,021,300 | $82.1M |
| Focus Partners Wealth | 0.17% | Add +0.7% | 990,537 | $79.6M |
| Chicago Capital, LLC | 1.91% | Add +2.1% | 964,290 | $77.5M |
| SG Capital Management LLC | 6.43% | New | 940,155 | $75.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.06% | Add +6.7% | 926,020 | $74.5M |
| Baird Financial Group, Inc. | 0.13% | Reduce -4.3% | 920,768 | $74.0M |
| D. E. Shaw & Co. | 0.08% | Reduce -0.0% | 916,388 | $73.7M |
| Pictet Asset Management Holding SA | 0.07% | Reduce -1.5% | 915,075 | $73.6M |
| Citigroup Inc. | 0.05% | Add +19.1% | 832,687 | $66.9M |
| TimesSquare Capital Management, LLC | 0.94% | Add +7.6% | 810,196 | $65.1M |
| Spyglass Capital Management LLC | 3.81% | Add +62.0% | 803,282 | $64.6M |
| American Capital Management Inc. | 2.65% | Reduce -15.2% | 795,961 | $64.0M |
| Kayne Anderson Rudnick Investment Management LLC | 0.15% | Reduce -6.0% | 782,686 | $62.9M |
| Rhumbline Advisers | 0.05% | Add +1.8% | 782,168 | $62.9M |
| Stephens Investment Management Group LLC | 0.82% | Add +4.7% | 773,281 | $62.2M |
| Ensign Peak Advisors, Inc | 0.11% | Reduce -7.6% | 771,378 | $62.0M |
| Weitz Investment Management, Inc. | 3.31% | Reduce -16.0% | 765,600 | $61.6M |
| CI Investments Inc. | 0.21% | Reduce -2.6% | 708,453 | $57.0M |
| HSBC Holdings PLC | 0.04% | Reduce -6.8% | 708,388 | $56.9M |
| Peregrine Capital Management LLC | 1.70% | Reduce -5.3% | 700,543 | $56.3M |
| California State Teachers Retirement System | 0.06% | Add +0.3% | 698,309 | $56.1M |
| California Public Employees Retirement System | 0.04% | Add +8.9% | 686,918 | $55.2M |
| TD Asset Management Inc | 0.05% | Reduce -4.5% | 682,217 | $54.9M |
| Raymond James Financial Inc. | 0.02% | Reduce -3.6% | 661,877 | $53.2M |
| ProShare Advisors LLC | 0.11% | Add +7.1% | 661,433 | $53.2M |
| Parnassus Investments, LLC | 0.12% | New | 655,398 | $52.7M |
| Sei Investments Co. | 0.06% | Reduce -3.9% | 654,647 | $52.6M |
| First Trust Advisors LP | 0.04% | Add +122.5% | 616,538 | $49.6M |
| Candlestick Capital Management LP | 1.59% | Reduce -49.4% | 596,098 | $47.9M |
| Douglas Lane & Associates, LLC | 0.68% | Add +5.0% | 584,311 | $47.0M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +13.5% | 558,946 | $44.9M |
| Telemark Asset Management, LLC | 4.69% | Add +10.0% | 550,000 | $44.2M |
| National Pension Service | 0.04% | Add +0.8% | 541,601 | $43.5M |
| Natixis Advisors, LLC | 0.07% | Reduce -9.6% | 537,666 | $43.2M |
| Canada Pension Plan Investment Board | 0.04% | Add +14.4% | 534,498 | $43.0M |
| Frontier Capital Management Co. LLC | 0.39% | Add +20.0% | 527,478 | $42.4M |
| ThornTree Capital Partners LP | 6.86% | Add +30.3% | 512,507 | $41.2M |
"% of holder's portfolio" is CSGP's weight in each manager's 13F, not the share of Costar Group Inc. the manager owns.