Costar GroupCSGP
13F holders, Q1 2025 (March 31)858holders +53
127new positions
74sold out
11famous investors
$79.17avg. 13F price*
At the end of Q1 2025, 858 institutions reported holding Costar Group Inc. (CSGP) in their 13F filings, up 53 from Q4 2024. 127 opened new positions and 74 sold out. The largest holders were Vanguard Group Inc. ($5.4B), BlackRock, Inc. ($3.0B) and Baron Capital (BAMCO) ($1.5B). 11 famous investors held it, including Chuck Akre (7.1% of Akre Capital Management's portfolio), Ron Baron (4.4% of Baron Capital (BAMCO)'s portfolio) and Dan Loeb (2.5% 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 127 | $1.3B |
| Exits | 74 | $336.8M |
All 13F filers, Q4 2024 → Q1 2025: 44,501,578 shares bought and 19,330,382 shares sold, net +25,171,196 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 858 holders
| Vanguard Group Inc. | 0.10% | Add +4.1% | 68,426,711 | $5.4B |
| BlackRock, Inc. | 0.06% | Reduce -1.7% | 37,457,618 | $3.0B |
| Baron Capital (BAMCO) | 4.43% | Reduce -0.9% | 19,032,522 | $1.5B |
| Principal Financial Group Inc. | 0.85% | Reduce -0.9% | 19,007,873 | $1.5B |
| State Street Corp. | 0.06% | Add +3.2% | 17,574,429 | $1.4B |
| Capital International Investors | 0.23% | Add +4.5% | 14,669,837 | $1.2B |
| Geode Capital Management, LLC | 0.07% | Add +5.2% | 12,067,436 | $953.4M |
| Akre Capital Management | 7.09% | Reduce 0.0% | 9,313,592 | $737.9M |
| Baillie Gifford & Co. | 0.58% | Add +6.6% | 8,436,199 | $668.4M |
| Morgan Stanley | 0.04% | Add +82.3% | 7,910,143 | $626.7M |
| Mizuho Markets Americas LLC | 12.73% | New | 7,401,273 | $586.4M |
| Massachusetts Financial Services Co. | 0.17% | Reduce -6.7% | 6,619,472 | $524.5M |
| Polen Capital Management LLC | 1.64% | Add +1.6% | 6,601,800 | $523.1M |
| T. Rowe Price Investment Management, Inc. | 0.34% | Add +0.0% | 6,418,209 | $508.5M |
| Macquarie Group Ltd. | 0.61% | Reduce -15.7% | 6,176,880 | $489.4M |
| Bank of America Corp. | 0.04% | Add +71.8% | 6,139,226 | $486.4M |
| Bank of New York Mellon Corp | 0.09% | Reduce -0.2% | 5,533,767 | $438.4M |
| Norges Bank | 0.06% | Reduce -3.5% | 5,269,486 | $417.5M |
| Vulcan Value Partners, LLC | 7.19% | Reduce -5.2% | 4,833,477 | $382.9M |
| UBS Group AG | 0.08% | Add +214.9% | 4,739,479 | $375.5M |
| Invesco Ltd. | 0.06% | Add +1.7% | 4,305,556 | $341.1M |
| Northern Trust Corp. | 0.05% | Add +0.9% | 4,027,534 | $319.1M |
| TOMS Capital Investment Management LP | 20.58% | New | 3,508,000 | $277.9M |
| Capital Research Global Investors | 0.06% | Add +0.4% | 3,420,692 | $271.0M |
| Amundi | 0.09% | Add +20.8% | 3,396,393 | $259.3M |
| Tiger Global Management | 0.97% | No change | 3,245,109 | $257.1M |
| Charles Schwab Investment Management Inc. | 0.05% | Add +7.6% | 3,031,331 | $240.2M |
| Brown Advisory Inc. | 0.34% | Reduce -10.6% | 3,022,692 | $239.5M |
| Blair William & Co. | 0.69% | Reduce -14.4% | 2,903,518 | $230.0M |
| Goldman Sachs Group Inc. | 0.04% | Reduce -21.3% | 2,700,396 | $214.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.05% | Reduce -3.6% | 2,551,086 | $202.1M |
| Ameriprise Financial Inc. | 0.05% | Reduce -8.2% | 2,523,681 | $199.9M |
| JPMorgan Chase & Co. | 0.01% | Add +115.6% | 2,485,862 | $197.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.53% | Add +2.3% | 2,480,539 | $196.5M |
| Mackenzie Financial Corp. | 0.28% | Reduce -16.1% | 2,463,354 | $195.2M |
| Legal & General Group Plc | 0.05% | Add +3.3% | 2,383,875 | $188.9M |
| DF Dent & Co. Inc. | 2.50% | Reduce -3.6% | 2,367,144 | $187.5M |
| RGM Capital, LLC | 7.31% | Add +1.0% | 2,227,503 | $176.5M |
| Dimensional Fund Advisors LP | 0.04% | Add +7.5% | 2,146,596 | $170.1M |
| Fayez Sarofim & Co | 0.42% | Add +5.0% | 2,145,367 | $170.0M |
| Franklin Resources Inc. | 0.05% | Reduce -9.7% | 2,020,172 | $160.1M |
| Third Point | 2.49% | New | 1,975,000 | $156.5M |
| Riverbridge Partners LLC | 2.37% | Reduce -4.0% | 1,866,345 | $147.9M |
| Beck Mack & Oliver LLC | 2.87% | Add +6.2% | 1,810,537 | $143.4M |
| Envestnet Asset Management Inc. | 0.05% | Reduce -1.5% | 1,785,263 | $141.4M |
| CIBC Private Wealth Group LLC | 0.28% | Add +455.2% | 1,827,003 | $133.8M |
| BNP Paribas Financial Markets | 0.10% | Add +84.7% | 1,660,883 | $131.6M |
| FMR LLC | 0.01% | Add +41.0% | 1,638,647 | $129.8M |
| Federated Hermes, Inc. | 0.25% | Reduce -16.3% | 1,465,334 | $116.1M |
| Harding Loevner LP | 0.87% | Reduce -14.7% | 1,440,099 | $114.1M |
| Royal Bank of Canada | 0.02% | Reduce -4.8% | 1,383,183 | $109.6M |
| Kensico Capital Management Corp. | 2.38% | Add +86.0% | 1,331,300 | $105.5M |
| Wells Fargo & Company | 0.02% | Add +6.6% | 1,232,751 | $97.7M |
| Deutsche Bank AG | 0.04% | Reduce -22.7% | 1,229,141 | $97.4M |
| Voya Investment Management LLC | 0.13% | Reduce -18.1% | 1,218,554 | $96.5M |
| Swiss National Bank | 0.07% | Add +2.6% | 1,188,165 | $94.1M |
| Candlestick Capital Management LP | 3.67% | New | 1,178,647 | $93.4M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.20% | Add +6.0% | 1,155,877 | $91.6M |
| ShawSpring Partners LLC | 12.50% | Add +26.2% | 1,148,302 | $91.0M |
| Bares Capital Management, Inc. | 10.54% | Add +74.5% | 1,133,002 | $89.8M |
| Soroban Capital Partners LP | 1.18% | Add +122.2% | 1,050,747 | $83.3M |
| Nuveen, LLC | 0.03% | — | 1,044,506 | $82.8M |
| Barclays PLC | 0.04% | Reduce -37.8% | 1,043,668 | $82.7M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -17.0% | 1,042,830 | $82.6M |
| Sumitomo Mitsui Trust Group, Inc. | 0.06% | Add +4.7% | 997,010 | $79.0M |
| Bridgewater Associates | 0.36% | Add +12.1% | 985,993 | $78.1M |
| Focus Partners Wealth | 0.20% | Add +60.5% | 983,793 | $77.9M |
| Baird Financial Group, Inc. | 0.15% | Reduce -10.0% | 962,268 | $76.2M |
| Chicago Capital, LLC | 2.11% | Add +3.2% | 943,955 | $74.8M |
| American Capital Management Inc. | 3.02% | Add +0.1% | 938,142 | $74.3M |
| Pictet Asset Management Holding SA | 0.08% | Reduce -10.2% | 929,105 | $73.6M |
| D. E. Shaw & Co. | 0.09% | Reduce -36.0% | 916,692 | $72.6M |
| Weitz Investment Management, Inc. | 3.84% | Add +2.4% | 911,600 | $72.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.06% | Add +13.7% | 867,557 | $68.7M |
| Ensign Peak Advisors, Inc | 0.13% | Reduce -6.0% | 835,209 | $66.2M |
| Kayne Anderson Rudnick Investment Management LLC | 0.16% | Reduce -8.3% | 832,539 | $66.0M |
| Rhumbline Advisers | 0.06% | Add +7.7% | 768,366 | $60.9M |
| HSBC Holdings PLC | 0.04% | Reduce -15.1% | 760,291 | $60.2M |
| TimesSquare Capital Management, LLC | 0.96% | Add +12.5% | 752,887 | $59.7M |
| Peregrine Capital Management LLC | 1.94% | Add +23.5% | 739,397 | $58.6M |
| Stephens Investment Management Group LLC | 0.84% | Add +20.5% | 738,837 | $58.5M |
| CI Investments Inc. | 0.24% | Add +3.1% | 727,117 | $57.6M |
| TD Asset Management Inc | 0.05% | Add +2.5% | 714,581 | $56.6M |
| Citigroup Inc. | 0.04% | Add +17.7% | 699,425 | $55.4M |
| California State Teachers Retirement System | 0.07% | Add +2.3% | 696,449 | $55.2M |
| Raymond James Financial Inc. | 0.02% | Add +6.9% | 686,911 | $54.4M |
| Sei Investments Co. | 0.07% | Add +4.0% | 680,885 | $53.9M |
| California Public Employees Retirement System | 0.03% | Reduce -1.4% | 630,649 | $50.0M |
| Ownership Capital B.V. | 2.27% | Reduce -39.7% | 625,788 | $49.6M |
| ProShare Advisors LLC | 0.11% | Add +14.0% | 617,771 | $48.9M |
| Natixis Advisors, LLC | 0.09% | Add +10.3% | 594,602 | $47.1M |
| Douglas Lane & Associates, LLC | 0.65% | Add +45.2% | 556,751 | $44.1M |
| National Pension Service | 0.04% | Add +9.2% | 537,062 | $42.6M |
| Quantum Capital Management, LLC / NJ | 4.33% | Reduce -1.8% | 528,206 | $41.8M |
| Mitsubishi UFJ Trust & Banking Corp | 0.11% | Reduce -4.4% | 516,769 | $40.9M |
| Telemark Asset Management, LLC | 5.18% | Add +25.0% | 500,000 | $39.6M |
| Spyglass Capital Management LLC | 2.70% | Reduce -59.4% | 495,858 | $39.3M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +1903.0% | 492,279 | $39.0M |
| Alliancebernstein L.P. | 0.01% | Add +1.9% | 477,506 | $37.8M |
| Allspring Global Investments Holdings, LLC | 0.07% | Reduce -1.3% | 476,245 | $37.7M |
"% of holder's portfolio" is CSGP's weight in each manager's 13F, not the share of Costar Group Inc. the manager owns.