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, Q2 2023
Institutional positions in Costar Group, Inc. as of Jun 30, 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
- 714
- +22 vs. Q1 2023
- Shares held
- 399.0M
- +10.1M (+2.6%) vs. Q1 2023
- Total value
- $35.5B
- +$8.71B (+32.6%) vs. Q1 2023
- New holders
- 91
- 265 more added
- Sold out
- 69
- 250 more reduced
Compare with Q1 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 | $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, Q2 2023
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ProShare Advisors LLC | 397,338 | $35.4M | 0.10% | −1,358−0.3% | Reduced |
| Fred Alger Management, LLC | 403,204 | $35.9M | 0.18% | −65,823−14.0% | Reduced |
| Sandhill Capital Partners LLC | 411,869 | $36.7M | 3.34% | +481+0.1% | Added |
| Bridgewater Associates, LP | 415,641 | $37.0M | 0.23% | +36,047+9.5% | Added |
| Adage Capital Partners GP, L.L.C. | 417,000 | $37.1M | 0.08% | +9,800+2.4% | Added |
| HSBC Holdings PLC | 448,700 | $40.4M | 0.04% | +88,969+24.7% | Added |
| Ycg, LLC | 459,498 | $40.9M | 3.65% | −740.0% | Reduced |
| State Board of Administration of Florida Retirement System | 464,923 | $41.4M | 0.09% | −12,768−2.7% | Reduced |
| Ironvine Capital Partners, LLC | 472,449 | $42.0M | 5.11% | −4,259−0.9% | Reduced |
| Citigroup Inc | 475,417 | $42.3M | 0.05% | −61,753−11.5% | Reduced |
| Geneva Capital Management LLC | 481,785 | $42.9M | 0.85% | −26,602−5.2% | Reduced |
| Jennison Associates LLC | 493,465 | $43.9M | 0.04% | −92,951−15.9% | Reduced |
| Credit Suisse AG | 506,139 | $45.0M | 0.05% | +20,522+4.2% | Added |
| Millennium Management LLC | 506,712 | $45.1M | 0.05% | +496,318+4,775.0% | Added |
| Clearbridge Investments, LLC | 528,374 | $47.0M | 0.04% | −3,127−0.6% | Reduced |
| Deutsche Bank AG | 539,542 | $48.0M | 0.03% | −26,164−4.6% | Reduced |
| Stephens Investment Management Group LLC | 539,983 | $48.1M | 0.75% | −6,688−1.2% | Reduced |
| Alliancebernstein L.P. | 543,253 | $48.3M | 0.02% | +48,964+9.9% | Added |
| New York State Common Retirement Fund | 561,741 | $50.0M | 0.06% | +3,329+0.6% | Added |
| Russell Investments Group, Ltd. | 561,587 | $50.0M | 0.10% | −40,668−6.8% | Reduced |
| Quantum Capital Management, LLC | 564,120 | $50.2M | 6.06% | −22,928−3.9% | Reduced |
| Raymond James & Associates | 606,750 | $54.0M | 0.04% | −22,562−3.6% | Reduced |
| Pelham Capital Ltd. | 621,195 | $55.3M | 19.04% | +621,195 | New |
| Jane Street Group, LLC | 629,243 | $56.0M | 0.08% | +595,163+1,746.4% | Added |
| Peregrine Capital Management LLC | 654,774 | $58.3M | 1.59% | −4,726−0.7% | Reduced |
| California State Teachers Retirement System | 659,604 | $58.7M | 0.08% | −15,523−2.3% | Reduced |
| TD Asset Management Inc | 682,703 | $60.8M | 0.07% | −13,339−1.9% | Reduced |
| APG Asset Management N.V. | 749,140 | $61.1M | 0.12% | −15,517−2.0% | Reduced |
| JPMorgan Chase & Co | 688,859 | $61.3M | 0.01% | −191,680−21.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 722,149 | $64.3M | 0.13% | +114,046+18.8% | Added |
| STRS Ohio | 729,000 | $64.9M | 0.27% | −91,000−11.1% | Reduced |
| California Public Employees Retirement System | 748,919 | $66.7M | 0.06% | −26,110−3.4% | Reduced |
| FMR LLC | 767,173 | $68.3M | 0.01% | +43,030+5.9% | Added |
| Beck Mack & Oliver LLC | 784,611 | $69.8M | 1.82% | +3,104+0.4% | Added |
| Rhumbline Advisers | 786,255 | $70.0M | 0.08% | +39,125+5.2% | Added |
| UBS Group AG | 788,619 | $70.2M | 0.03% | +322,422+69.2% | Added |
| Granahan Investment Management Inc | 791,468 | $70.4M | 2.17% | −3,475−0.4% | Reduced |
| Amundi | 807,681 | $70.7M | 0.04% | −63,165−7.3% | Reduced |
| Royal Bank of Canada | 796,707 | $70.9M | 0.02% | +156,391+24.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 830,245 | $73.9M | 0.17% | −23,395−2.7% | Reduced |
| American Capital Management Inc | 833,521 | $74.2M | 2.58% | −7,959−0.9% | Reduced |
| Barclays PLC | 834,383 | $74.3M | 0.05% | +400,131+92.1% | Added |
| Rathbone Brothers plc | 838,214 | $74.6M | 0.70% | +11,331+1.4% | Added |
| Wells Fargo & Company | 852,857 | $75.9M | 0.02% | −2990.0% | Reduced |
| Ci Investments Inc. | 857,990 | $76.4M | 0.39% | −16,373−1.9% | Reduced |
| Westfield Capital Management Co LP | 863,471 | $76.8M | 0.49% | −18,306−2.1% | Reduced |
| Pictet Asset Management SA | 900,519 | $80.1M | 0.10% | −46,313−4.9% | Reduced |
| National Pension Service | 893,480 | $80.5M | 0.13% | +24,497+2.8% | Added |
| TimesSquare Capital Management, LLC | 910,801 | $81.1M | 1.16% | −8,385−0.9% | Reduced |
| Chicago Capital, LLC | 920,305 | $81.9M | 3.69% | −4,531−0.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 957,311 | $85.2M | 0.14% | +199,144+26.3% | Added |
| UBS Asset Management Americas Inc | 1,237,774 | $85.2M | 0.04% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,021,315 | $90.9M | 0.07% | −152,574−13.0% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,054,969 | $93.9M | 0.26% | −24,364−2.3% | Reduced |
| Eagle Asset Management Inc | 1,066,845 | $94.9M | 0.53% | +227,396+27.1% | Added |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 1,068,000 | $95.1M | 5.07% | −32,800−3.0% | Reduced |
| Victory Capital Management Inc | 1,095,970 | $97.5M | 0.11% | −5,010−0.5% | Reduced |
| Marshall Wace, LLP | 1,117,914 | $99.5M | 0.21% | −499,266−30.9% | Reduced |
| Baird Financial Group, Inc. | 1,139,207 | $101.4M | 0.27% | +213,022+23.0% | Added |
| Nuveen Asset Management, LLC | 1,145,477 | $101.9M | 0.04% | +12,543+1.1% | Added |
| SEI Investments Co | 1,147,670 | $102.1M | 0.18% | +195,185+20.5% | Added |
| Putnam Investments LLC | 1,192,695 | $106.1M | 0.16% | +1,903+0.2% | Added |
| Dimensional Fund Advisors LP | 1,220,779 | $108.7M | 0.03% | +71,993+6.3% | Added |
| Findlay Park Partners LLP | 1,263,178 | $112.4M | 1.15% | −1,118,948−47.0% | Reduced |
| CIBC Private Wealth Group, LLC | 1,293,724 | $115.1M | 0.25% | +128,579+11.0% | Added |
| Capital Research Global Investors | 1,344,453 | $119.7M | 0.03% | +6220.0% | Added |
| RGM Capital, LLC | 1,400,756 | $124.7M | 5.56% | +24,502+1.8% | Added |
| Envestnet Asset Management Inc | 1,423,645 | $126.7M | 0.06% | +9,313+0.7% | Added |
| Swiss National Bank | 1,469,200 | $130.8M | 0.09% | −144,800−9.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,553,418 | $138.3M | 0.43% | +416,812+36.7% | Added |
| Goldman Sachs Group Inc | 1,716,378 | $152.8M | 0.04% | +336,881+24.4% | Added |
| Ensign Peak Advisors, Inc | 1,729,087 | $153.9M | 0.31% | +53,520+3.2% | Added |
| Morgan Stanley | 1,937,254 | $172.4M | 0.02% | +6,639+0.3% | Added |
| Harding Loevner LP | 2,010,559 | $178.9M | 1.04% | −385,224−16.1% | Reduced |
| Bares Capital Management, Inc. | 2,092,627 | $186.2M | 6.44% | −8,431−0.4% | Reduced |
| DF Dent & Co Inc | 2,138,399 | $190.3M | 2.58% | −66,608−3.0% | Reduced |
| William Blair Investment Management, LLC | 2,156,525 | $191.9M | 0.62% | −338,863−13.6% | Reduced |
| Echo Street Capital Management LLC | 2,178,712 | $193.9M | 1.66% | −520,927−19.3% | Reduced |
| Federated Hermes, Inc. | 2,222,392 | $197.8M | 0.49% | −375,763−14.5% | Reduced |
| Mackenzie Financial Corp | 2,343,544 | $205.1M | 0.31% | −208,534−8.2% | Reduced |
| Legal & General Group Plc | 2,330,507 | $207.4M | 0.07% | −14,144−0.6% | Reduced |
| Charles Schwab Investment Management Inc | 2,366,642 | $210.6M | 0.06% | +15,139+0.6% | Added |
| Riverbridge Partners LLC | 2,567,355 | $228.5M | 2.88% | +81,068+3.3% | Added |
| Franklin Resources Inc | 2,641,676 | $235.1M | 0.11% | −4,511,955−63.1% | Reduced |
| Vulcan Value Partners, LLC | 2,662,708 | $236.8M | 2.97% | −432,262−14.0% | Reduced |
| Farallon Capital Management, L.L.C. | 2,751,056 | $244.8M | 1.46% | −660,129−19.4% | Reduced |
| Price T Rowe Associates Inc | 2,843,964 | $253.1M | 0.04% | −103,308−3.5% | Reduced |
| Wellington Management Group LLP | 2,917,957 | $259.7M | 0.05% | +1,013,035+53.2% | Added |
| American Century Companies Inc | 2,935,380 | $261.2M | 0.20% | −470,362−13.8% | Reduced |
| Capital International Investors | 3,055,291 | $271.9M | 0.07% | −8060.0% | Reduced |
| Ameriprise Financial Inc | 3,297,404 | $293.5M | 0.09% | −576,014−14.9% | Reduced |
| Invesco Ltd. | 3,408,531 | $303.4M | 0.08% | +1,098,883+47.6% | Added |
| Bank of America Corp | 3,659,002 | $325.7M | 0.04% | −803,620−18.0% | Reduced |
| Northern Trust Corp | 3,742,957 | $333.1M | 0.06% | −117,291−3.0% | Reduced |
| Ownership Capital B.V. | 3,907,967 | $347.8M | 6.09% | −117,237−2.9% | Reduced |
| Blair William & Co | 3,939,827 | $350.6M | 1.28% | +184,794+4.9% | Added |
| Brown Advisory Inc | 4,284,245 | $381.3M | 0.60% | +1,536,162+55.9% | Added |
| Norges Bank | 4,298,042 | $382.5M | 0.08% | −1,2660.0% | Reduced |
| Artisan Partners Limited Partnership | 5,249,758 | $467.2M | 0.75% | +615,484+13.3% | Added |
| Bank of New York Mellon Corp | 5,310,004 | $472.6M | 0.10% | +97,153+1.9% | Added |