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 $12.3B in total; superinvestors Akre Capital Management and Weitz Investment Management hold it.
13F holders, Q4 2024
Institutional positions in Costar Group, Inc. as of Dec 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
- 805
- +47 vs. Q3 2024
- Shares held
- 410.1M
- +11.6M (+2.9%) vs. Q3 2024
- Total value
- $29.3B
- −$745.5M (−2.5%) vs. Q3 2024
- New holders
- 144
- 295 more added
- Sold out
- 97
- 278 more reduced
15 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 | $12.3B |
| Q1 2026 | 797 | $16.8B |
| Q4 2025 | 847 | $28.6B |
| Q3 2025 | 905 | $35.1B |
| Q2 2025 | 873 | $34.3B |
| Q1 2025 | 858 | $34.0B |
| Q4 2024 | 805 | $29.3B |
| Q3 2024 | 773 | $30.2B |
| Q2 2024 | 767 | $29.4B |
| Q1 2024 | 767 | $40.1B |
| Q4 2023 | 737 | $34.7B |
| Q3 2023 | 690 | $30.1B |
| Q2 2023 | 714 | $35.6B |
| Q1 2023 | 692 | $27.0B |
| Q4 2022 | 704 | $30.5B |
| Q3 2022 | 634 | $29.1B |
| Q2 2022 | 591 | $23.2B |
| Q1 2022 | 589 | $25.2B |
| Q4 2021 | 633 | $30.2B |
| Q3 2021 | 594 | $32.3B |
| Q2 2021 | 607 | $31.1B |
| Q1 2021 | 593 | $31.2B |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 65,717,391 | $4.70B | 0.08% | −36,929−0.1% | Reduced |
| BlackRock, Inc. | 38,115,694 | $2.73B | 0.06% | −770,199−2.0% | Reduced |
| Bamco Inc | 19,203,564 | $1.37B | 3.55% | +418,128+2.2% | Added |
| Principal Financial Group Inc | 19,186,275 | $1.37B | 0.75% | −201,244−1.0% | Reduced |
| State Street Corp | 17,031,876 | $1.22B | 0.05% | −27,868−0.2% | Reduced |
| Capital International Investors | 14,032,363 | $1.00B | 0.19% | +4,345,267+44.9% | Added |
| Geode Capital Management, LLC | 11,475,755 | $819.7M | 0.06% | +166,769+1.5% | Added |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 9,313,880 | $666.8M | 5.77% | +379,787+4.3% | Added |
| Mackenzie Financial Corp | 8,806,677 | $613.1M | 0.28% | +5,999,658+213.7% | Added |
| Baillie Gifford & Co | 7,911,598 | $566.4M | 0.44% | −887,533−10.1% | Reduced |
| Macquarie Group Ltd | 7,327,067 | $523.4M | 0.64% | −296,804−3.9% | Reduced |
| Massachusetts Financial Services Co | 7,093,743 | $507.8M | 0.16% | −4,286,449−37.7% | Reduced |
| Polen Capital Management LLC | 6,497,188 | $465.1M | 1.26% | +6,497,188 | New |
| T. Rowe Price Investment Management, Inc. | 6,415,895 | $459.3M | 0.28% | +1,267,263+24.6% | Added |
| Bank of New York Mellon Corp | 5,545,069 | $397.0M | 0.07% | −442,725−7.4% | Reduced |
| Norges Bank | 5,458,231 | $390.8M | 0.05% | +321,234+6.3% | Added |
| Vulcan Value Partners, LLC | 5,099,438 | $365.0M | 6.10% | +669,549+15.1% | Added |
| Morgan Stanley | 4,340,263 | $310.7M | 0.02% | +669,197+18.2% | Added |
| Invesco Ltd. | 4,234,995 | $303.2M | 0.06% | +486,045+13.0% | Added |
| Northern Trust Corp | 3,993,324 | $285.9M | 0.04% | +697,721+21.2% | Added |
| Bank of America Corp | 3,573,082 | $255.8M | 0.02% | −635,625−15.1% | Reduced |
| Goldman Sachs Group Inc | 3,429,990 | $245.6M | 0.05% | +838,501+32.4% | Added |
| Capital Research Global Investors | 3,405,818 | $243.8M | 0.05% | +429,048+14.4% | Added |
| Blair William & Co | 3,393,951 | $243.0M | 0.71% | −456,885−11.9% | Reduced |
| Brown Advisory Inc | 3,380,066 | $242.0M | 0.31% | −386,592−10.3% | Reduced |
| Tiger Global Management LLCSuperinvestorTiger Global Management | 3,245,109 | $232.3M | 0.88% | +3,245,109 | New |
| Charles Schwab Investment Management Inc | 2,818,249 | $201.8M | 0.04% | +133,876+5.0% | Added |
| Amundi | 2,810,540 | $200.5M | 0.07% | +650,454+30.1% | Added |
| Ameriprise Financial Inc | 2,749,116 | $196.8M | 0.05% | +665,483+31.9% | Added |
| UBS Asset Management Americas Inc | 2,647,849 | $189.6M | 0.04% | +551,594+26.3% | Added |
| DF Dent & Co Inc | 2,456,562 | $175.9M | 2.23% | +682,984+38.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,423,791 | $173.5M | 0.43% | +550,107+29.4% | Added |
| Legal & General Group Plc | 2,308,353 | $165.3M | 0.04% | −42,894−1.8% | Reduced |
| Franklin Resources Inc | 2,237,117 | $160.2M | 0.04% | +14,984+0.7% | Added |
| RGM Capital, LLC | 2,205,939 | $157.9M | 6.52% | +607,861+38.0% | Added |
| Fayez Sarofim & Co | 2,043,090 | $146.3M | 0.36% | +94,715+4.9% | Added |
| Dimensional Fund Advisors LP | 1,997,561 | $143.0M | 0.03% | +212,775+11.9% | Added |
| Riverbridge Partners LLC | 1,943,883 | $139.2M | 1.90% | +101,867+5.5% | Added |
| Envestnet Asset Management Inc | 1,811,813 | $129.7M | 0.04% | +141,220+8.5% | Added |
| Federated Hermes, Inc. | 1,750,892 | $125.3M | 0.27% | −192,855−9.9% | Reduced |
| Beck Mack & Oliver LLC | 1,705,343 | $122.1M | 2.26% | +571,532+50.4% | Added |
| Harding Loevner LP | 1,688,680 | $120.9M | 0.82% | −309,558−15.5% | Reduced |
| Barclays PLC | 1,678,132 | $120.1M | 0.06% | −571,056−25.4% | Reduced |
| Deutsche Bank AG | 1,589,997 | $113.8M | 0.04% | +321,919+25.4% | Added |
| UBS Group AG | 1,505,204 | $107.8M | 0.02% | +440,319+41.3% | Added |
| Voya Investment Management LLC | 1,487,054 | $106.5M | 0.11% | −1,116,429−42.9% | Reduced |
| Royal Bank of Canada | 1,452,442 | $104.0M | 0.02% | +677,222+87.4% | Added |
| D. E. Shaw & Co., Inc. | 1,432,730 | $102.6M | 0.11% | +1,359,442+1,854.9% | Added |
| Price T Rowe Associates Inc | 1,256,421 | $89.9M | 0.01% | −14,910−1.2% | Reduced |
| Colony Group, LLC | 1,226,282 | $87.8M | 0.11% | +1,226,282 | New |
| Spyglass Capital Management LLC | 1,221,607 | $87.5M | 4.92% | +392,603+47.4% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 1,162,703 | $83.2M | 0.27% | −98,492−7.8% | Reduced |
| FMR LLC | 1,162,014 | $83.2M | 0.00% | −435,414−27.3% | Reduced |
| Swiss National Bank | 1,157,700 | $82.9M | 0.06% | −54,700−4.5% | Reduced |
| Wells Fargo & Company | 1,156,079 | $82.8M | 0.02% | −20,225−1.7% | Reduced |
| JPMorgan Chase & Co | 1,153,049 | $82.5M | 0.01% | −3,563,613−75.6% | Reduced |
| Canada Pension Plan Investment Board | 1,129,307 | $80.8M | 0.08% | +1,079,815+2,181.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 1,090,950 | $78.1M | 0.17% | +1,013,044+1,300.3% | Added |
| Nuveen Asset Management, LLC | 1,080,673 | $77.4M | 0.02% | −204,001−15.9% | Reduced |
| Baird Financial Group, Inc. | 1,069,221 | $76.5M | 0.15% | −63,465−5.6% | Reduced |
| Ownership Capital B.V. | 1,038,387 | $74.3M | 2.73% | −404,792−28.0% | Reduced |
| Pictet Asset Management Holding SA | 1,034,152 | $74.0M | 0.08% | +90,675+9.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 952,195 | $68.2M | 0.05% | −21,889−2.2% | Reduced |
| American Capital Management Inc | 936,988 | $67.1M | 2.50% | +9,597+1.0% | Added |
| Chicago Capital, LLC | 914,939 | $65.5M | 1.74% | −6,400−0.7% | Reduced |
| ShawSpring Partners LLC | 909,803 | $65.1M | 8.63% | +909,803 | New |
| Kayne Anderson Rudnick Investment Management LLC | 907,848 | $65.0M | 0.15% | −40,934−4.3% | Reduced |
| BNP Paribas Arbitrage, SA | 899,452 | $64.4M | 0.05% | −360,705−28.6% | Reduced |
| HSBC Holdings PLC | 895,849 | $64.1M | 0.04% | +35,360+4.1% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 889,875 | $63.7M | 3.29% | +3,375+0.4% | Added |
| Ensign Peak Advisors, Inc | 888,434 | $63.6M | 0.11% | −177,931−16.7% | Reduced |
| Bridgewater Associates, LP | 879,915 | $63.0M | 0.29% | +456,842+108.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 763,325 | $55.2M | 0.05% | +54,669+7.7% | Added |
| Kensico Capital Management Corp | 715,800 | $51.2M | 1.17% | +715,800 | New |
| Rhumbline Advisers | 713,619 | $51.1M | 0.05% | −7,532−1.0% | Reduced |
| Ci Investments Inc. | 705,007 | $50.5M | 0.19% | −2,143−0.3% | Reduced |
| TD Asset Management Inc | 697,440 | $49.9M | 0.04% | +105,603+17.8% | Added |
| California State Teachers Retirement System | 680,585 | $48.7M | 0.06% | +5,774+0.9% | Added |
| TimesSquare Capital Management, LLC | 668,986 | $47.9M | 0.70% | −65,380−8.9% | Reduced |
| Victory Capital Management Inc | 655,790 | $46.9M | 0.05% | −1,146−0.2% | Reduced |
| SEI Investments Co | 654,715 | $46.9M | 0.06% | −525,849−44.5% | Reduced |
| Bares Capital Management, Inc. | 649,205 | $46.5M | 4.18% | +738+0.1% | Added |
| Raymond James Financial Inc | 642,446 | $46.0M | 0.02% | +642,446 | New |
| California Public Employees Retirement System | 639,824 | $45.8M | 0.03% | −42,157−6.2% | Reduced |
| Vantage Investment Partners, LLC | 614,014 | $44.0M | 3.83% | +108,998+21.6% | Added |
| Stephens Investment Management Group LLC | 613,269 | $43.9M | 0.59% | −5,395−0.9% | Reduced |
| Peregrine Capital Management LLC | 598,655 | $42.9M | 1.27% | −28,096−4.5% | Reduced |
| Citigroup Inc | 594,138 | $42.5M | 0.04% | −135,592−18.6% | Reduced |
| Bank of Montreal | 544,384 | $39.0M | 0.02% | −77,516−12.5% | Reduced |
| ProShare Advisors LLC | 542,035 | $38.8M | 0.09% | +85,839+18.8% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 540,599 | $38.7M | 0.09% | −46,145−7.9% | Reduced |
| Natixis Advisors, L.P. | 539,013 | $38.6M | 0.07% | +43,443+8.8% | Added |
| Wolf Hill Capital Management, LP | 538,469 | $38.5M | 3.11% | +58,469+12.2% | Added |
| Quantum Capital Management, LLC | 538,051 | $38.5M | 4.13% | +1,116+0.2% | Added |
| National Pension Service | 491,746 | $35.2M | 0.03% | −529,197−51.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 482,712 | $34.2M | 0.05% | +31,152+6.9% | Added |
| Soroban Capital Partners LP | 472,912 | $33.9M | 0.45% | +472,912 | New |
| Alliancebernstein L.P. | 468,401 | $33.5M | 0.01% | −482−0.1% | Reduced |
| Ironvine Capital Partners, LLC | 466,711 | $33.4M | 3.58% | −5,341−1.1% | Reduced |
| ThornTree Capital Partners LP | 463,350 | $33.2M | 5.57% | +463,350 | New |