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, Q1 2024
Institutional positions in Costar Group, Inc. as of Mar 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
- 767
- +36 vs. Q4 2023
- Shares held
- 415.9M
- +19.4M (+4.9%) vs. Q4 2023
- Total value
- $40.1B
- +$5.49B (+15.9%) vs. Q4 2023
- New holders
- 91
- 300 more added
- Sold out
- 55
- 266 more reduced
6 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | $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, Q1 2024
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 65,451,499 | $6.32B | 0.13% | +541,700+0.8% | Added |
| BlackRock Inc. | 38,886,450 | $3.76B | 0.09% | +2,358,559+6.5% | Added |
| Principal Financial Group Inc | 19,592,181 | $1.89B | 1.11% | −213,552−1.1% | Reduced |
| Bamco Inc | 19,337,618 | $1.87B | 4.98% | −53,665−0.3% | Reduced |
| State Street Corp | 16,126,174 | $1.56B | 0.07% | +309,884+2.0% | Added |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 14,523,252 | $1.40B | 5.80% | +7,267,583+100.2% | Added |
| Morgan Stanley | 12,073,383 | $1.17B | 0.03% | +6,344,053+110.7% | Added |
| Janus Henderson Group PLC | 11,808,027 | $1.14B | 0.62% | +1,773,564+17.7% | Added |
| Massachusetts Financial Services Co | 11,502,919 | $1.11B | 0.33% | −323,785−2.7% | Reduced |
| Geode Capital Management, LLC | 10,841,811 | $1.04B | 0.10% | +391,366+3.7% | Added |
| Baillie Gifford & Co | 9,253,753 | $893.9M | 0.70% | −270,343−2.8% | Reduced |
| Macquarie Group Ltd | 8,486,151 | $819.8M | 0.93% | −334,912−3.8% | Reduced |
| Bank of New York Mellon Corp | 5,992,499 | $578.9M | 0.11% | −166,147−2.7% | Reduced |
| Artisan Partners Limited Partnership | 5,703,020 | $550.9M | 0.80% | +565,016+11.0% | Added |
| Sands Capital Management, LLC | 5,375,482 | $519.3M | 1.45% | −245,319−4.4% | Reduced |
| Norges Bank | 4,895,612 | $472.9M | 0.07% | +239,079+5.1% | Added |
| Blair William & Co | 4,419,778 | $427.0M | 1.34% | +26,800+0.6% | Added |
| Bank of America Corp | 4,337,362 | $419.0M | 0.04% | +315,676+7.8% | Added |
| Capital International Investors | 4,037,971 | $390.1M | 0.08% | +1,3620.0% | Added |
| JPMorgan Chase & Co | 3,921,682 | $378.8M | 0.02% | +2,641,790+206.4% | Added |
| Brown Advisory Inc | 3,712,458 | $358.6M | 0.48% | −432,263−10.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,628,297 | $350.5M | 0.21% | −3,116,738−46.2% | Reduced |
| Northern Trust Corp | 3,537,027 | $341.7M | 0.06% | −181,360−4.9% | Reduced |
| Wellington Management Group LLP | 3,237,246 | $312.7M | 0.06% | +406,547+14.4% | Added |
| Goldman Sachs Group Inc | 3,090,288 | $298.5M | 0.06% | +88,470+2.9% | Added |
| Invesco Ltd. | 3,059,796 | $295.6M | 0.06% | −864,520−22.0% | Reduced |
| Ameriprise Financial Inc | 3,043,930 | $294.0M | 0.08% | +92,675+3.1% | Added |
| Capital Research Global Investors | 2,652,774 | $256.3M | 0.06% | +238,461+9.9% | Added |
| Farallon Capital Management, L.L.C. | 2,594,356 | $250.6M | 1.47% | −527,000−16.9% | Reduced |
| Charles Schwab Investment Management Inc | 2,541,634 | $245.5M | 0.06% | +83,383+3.4% | Added |
| Franklin Resources Inc | 2,513,492 | $242.8M | 0.08% | +1,112,353+79.4% | Added |
| Ownership Capital B.V. | 2,385,164 | $230.4M | 5.27% | −191,942−7.4% | Reduced |
| Legal & General Group Plc | 2,271,269 | $219.4M | 0.06% | +44,257+2.0% | Added |
| Vulcan Value Partners, LLC | 2,177,070 | $210.1M | 3.05% | +576,383+36.0% | Added |
| Mackenzie Financial Corp | 2,017,480 | $194.9M | 0.28% | −125,801−5.9% | Reduced |
| American Century Companies Inc | 2,013,476 | $194.5M | 0.12% | −363,836−15.3% | Reduced |
| Federated Hermes, Inc. | 1,995,116 | $192.7M | 0.44% | −119,855−5.7% | Reduced |
| Riverbridge Partners LLC | 1,982,075 | $191.5M | 2.34% | −484,822−19.7% | Reduced |
| DF Dent & Co Inc | 1,947,602 | $188.1M | 2.30% | −29,660−1.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,940,510 | $187.5M | 0.50% | −19,512−1.0% | Reduced |
| Voya Investment Management LLC | 1,785,722 | $172.5M | 0.17% | +1,585,767+793.1% | Added |
| Envestnet Asset Management Inc | 1,723,938 | $166.5M | 0.06% | −93,880−5.2% | Reduced |
| Westfield Capital Management Co LP | 1,647,389 | $159.1M | 0.84% | +248,493+17.8% | Added |
| Harding Loevner LP | 1,601,191 | $154.7M | 0.95% | −130,254−7.5% | Reduced |
| RGM Capital, LLC | 1,598,078 | $154.4M | 6.23% | +5,452+0.3% | Added |
| Bares Capital Management, Inc. | 1,578,735 | $152.5M | 6.05% | −396,460−20.1% | Reduced |
| Price T Rowe Associates Inc | 1,567,199 | $151.4M | 0.02% | −1,701−0.1% | Reduced |
| UBS Asset Management Americas Inc | 1,509,648 | $145.8M | 0.05% | +17,075+1.1% | Added |
| Dimensional Fund Advisors LP | 1,478,175 | $142.8M | 0.04% | +158,159+12.0% | Added |
| William Blair Investment Management, LLC | 1,443,228 | $139.4M | 0.36% | −234,808−14.0% | Reduced |
| Ensign Peak Advisors, Inc | 1,418,931 | $137.1M | 0.25% | −142,945−9.2% | Reduced |
| Swiss National Bank | 1,222,900 | $118.1M | 0.08% | −54,000−4.2% | Reduced |
| SEI Investments Co | 1,205,936 | $116.5M | 0.17% | +58,489+5.1% | Added |
| Barclays PLC | 1,153,956 | $111.5M | 0.05% | −260,457−18.4% | Reduced |
| Nuveen Asset Management, LLC | 1,145,797 | $110.7M | 0.03% | −17,326−1.5% | Reduced |
| Baird Financial Group, Inc. | 1,138,541 | $110.0M | 0.23% | −8,848−0.8% | Reduced |
| FMR LLC | 1,097,371 | $106.0M | 0.01% | −487,851−30.8% | Reduced |
| CIBC Private Wealth Group, LLC | 1,063,239 | $100.5M | 0.20% | −9,336−0.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,035,675 | $100.0M | 0.07% | +17,658+1.7% | Added |
| Eagle Asset Management Inc | 1,043,251 | $98.6M | 0.50% | −24,180−2.3% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,018,043 | $98.3M | 0.23% | −28,922−2.8% | Reduced |
| Wells Fargo & Company | 1,006,711 | $97.2M | 0.03% | +234,796+30.4% | Added |
| National Pension Service | 971,663 | $93.9M | 0.11% | +34,218+3.7% | Added |
| UBS Group AG | 952,683 | $92.0M | 0.03% | +27,940+3.0% | Added |
| Pictet Asset Management Holding SA | 923,486 | $89.2M | 0.10% | +12,303+1.4% | Added |
| Chicago Capital, LLC | 912,670 | $88.2M | 2.69% | −2,128−0.2% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 876,500 | $84.7M | 4.27% | 00.0% | Unchanged |
| Deutsche Bank AG | 876,269 | $84.6M | 0.04% | −46,675−5.1% | Reduced |
| Beck Mack & Oliver LLC | 867,942 | $83.8M | 1.70% | +93,932+12.1% | Added |
| Royal Bank of Canada | 861,700 | $83.2M | 0.02% | +31,353+3.8% | Added |
| Rathbone Brothers plc | 835,591 | $80.7M | 0.47% | −3990.0% | Reduced |
| American Capital Management Inc | 813,599 | $78.6M | 2.52% | −6,498−0.8% | Reduced |
| Spyglass Capital Management LLC | 806,193 | $77.9M | 5.19% | +148,396+22.6% | Added |
| Frontier Capital Management Co LLC | 798,164 | $77.1M | 0.72% | +505,956+173.1% | Added |
| Rhumbline Advisers | 784,939 | $75.8M | 0.07% | +11,566+1.5% | Added |
| BNP Paribas Arbitrage, SA | 765,493 | $73.9M | 0.09% | +348,120+83.4% | Added |
| Victory Capital Management Inc | 755,456 | $73.0M | 0.07% | −12,146−1.6% | Reduced |
| Ci Investments Inc. | 712,838 | $68.9M | 0.27% | −17,797−2.4% | Reduced |
| California Public Employees Retirement System | 709,750 | $68.6M | 0.05% | −18,536−2.5% | Reduced |
| TimesSquare Capital Management, LLC | 699,461 | $67.6M | 0.98% | −41,180−5.6% | Reduced |
| Amundi | 801,888 | $67.5M | 0.03% | +76,931+10.6% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 669,679 | $64.7M | 0.15% | −68,041−9.2% | Reduced |
| HSBC Holdings PLC | 662,838 | $64.0M | 0.05% | +75,652+12.9% | Added |
| California State Teachers Retirement System | 656,559 | $63.4M | 0.08% | +6,381+1.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 630,505 | $60.9M | 0.08% | +74,010+13.3% | Added |
| Peregrine Capital Management LLC | 620,254 | $59.9M | 1.72% | −10,242−1.6% | Reduced |
| Raymond James & Associates | 617,113 | $59.6M | 0.04% | −9,908−1.6% | Reduced |
| Granahan Investment Management Inc | 610,998 | $59.0M | 2.07% | −101,086−14.2% | Reduced |
| Citigroup Inc | 590,655 | $57.1M | 0.06% | −14,769−2.4% | Reduced |
| Lord, Abbett & Co. LLC | 588,948 | $56.9M | 0.09% | +588,948 | New |
| Quantum Capital Management, LLC | 582,434 | $56.3M | 6.12% | +85,887+17.3% | Added |
| Stephens Investment Management Group LLC | 539,295 | $52.1M | 0.69% | +3,273+0.6% | Added |
| Alliancebernstein L.P. | 536,986 | $51.9M | 0.02% | +52,742+10.9% | Added |
| STRS Ohio | 530,000 | $51.2M | 0.20% | −140,000−20.9% | Reduced |
| Clearbridge Investments, LLC | 522,077 | $50.4M | 0.04% | +1,038+0.2% | Added |
| Credit Suisse AG | 511,622 | $49.4M | 0.05% | +44,492+9.5% | Added |
| Jennison Associates LLC | 508,951 | $49.2M | 0.03% | +70,393+16.1% | Added |
| Citadel Advisors LLC | 489,917 | $47.3M | 0.05% | +483,702+7,782.8% | Added |
| Natixis Advisors, L.P. | 478,047 | $46.2M | 0.11% | +18,631+4.1% | Added |
| ProShare Advisors LLC | 466,562 | $45.1M | 0.12% | +80,241+20.8% | Added |