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, Q3 2021
Institutional positions in Costar Group, Inc. as of Sep 30, 2021. 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
- 594
- −8 vs. Q2 2021
- Shares held
- 375.4M
- +407.8K (+0.1%) vs. Q2 2021
- Total value
- $32.3B
- +$1.24B (+4.0%) vs. Q2 2021
- New holders
- 66
- 239 more added
- Sold out
- 74
- 199 more reduced
5 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Stephens Investment Management Group LLC | 420,052 | $36.1M | 0.49% | −61,074−12.7% | Reduced |
| Flossbach Von Storch AG | 426,620 | $36.7M | 0.11% | +202,200+90.1% | Added |
| Kornitzer Capital Management Inc | 428,575 | $36.9M | 0.57% | +2,285+0.5% | Added |
| Chicago Capital, LLC | 469,104 | $40.4M | 1.53% | −3,284−0.7% | Reduced |
| Amundi | 484,466 | $41.7M | 0.03% | −664,928−57.9% | Reduced |
| Capital World Investors | 500,000 | $43.0M | 0.01% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 502,976 | $43.3M | 0.41% | −6,565−1.3% | Reduced |
| Truist Financial Corp | 504,185 | $43.4M | 0.07% | +43,901+9.5% | Added |
| State Board of Administration of Florida Retirement System | 510,335 | $43.9M | 0.09% | −14,095−2.7% | Reduced |
| Raymond James & Associates | 514,579 | $44.3M | 0.04% | +9,807+1.9% | Added |
| Geneva Capital Management LLC | 541,837 | $46.6M | 0.79% | −31,751−5.5% | Reduced |
| New York State Common Retirement Fund | 552,337 | $47.5M | 0.05% | +1,057+0.2% | Added |
| National Pension Service | 554,375 | $47.7M | 0.09% | −3,075−0.6% | Reduced |
| Wildcat Capital Management, LLC | 583,580 | $50.2M | 6.50% | −70,240−10.7% | Reduced |
| Peregrine Capital Management LLC | 585,220 | $50.4M | 1.04% | −4,740−0.8% | Reduced |
| California State Teachers Retirement System | 689,636 | $59.4M | 0.08% | −14,291−2.0% | Reduced |
| American Capital Management Inc | 706,977 | $60.8M | 1.63% | −4,987−0.7% | Reduced |
| Parametric Portfolio Associates LLC | 740,603 | $63.7M | 0.04% | −1,148−0.2% | Reduced |
| Millennium Management LLC | 757,759 | $65.2M | 0.09% | −957,627−55.8% | Reduced |
| SEI Investments Co | 757,347 | $65.4M | 0.14% | +176,452+30.4% | Added |
| STRS Ohio | 767,063 | $66.0M | 0.25% | +156,033+25.5% | Added |
| ExodusPoint Capital Management, LP | 792,701 | $68.2M | 1.02% | +668,307+537.3% | Added |
| Ci Investments Inc. | 793,198 | $68.3M | 0.25% | +165,103+26.3% | Added |
| California Public Employees Retirement System | 795,628 | $68.5M | 0.05% | −3,652−0.5% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 806,565 | $69.4M | 0.15% | −16,955−2.1% | Reduced |
| Pictet Asset Management SA | 808,765 | $69.6M | 0.08% | +808,765 | New |
| Rathbone Brothers plc | 829,090 | $71.4M | 0.77% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 845,683 | $72.8M | 0.02% | +2,926+0.3% | Added |
| William Blair Investment Management, LLC | 859,901 | $74.0M | 0.21% | −25,995−2.9% | Reduced |
| Baird Financial Group, Inc. | 871,814 | $75.0M | 0.19% | +2,795+0.3% | Added |
| American Century Companies Inc | 904,205 | $77.8M | 0.05% | −18,164−2.0% | Reduced |
| Wells Fargo & Company | 908,251 | $78.2M | 0.02% | −740,578−44.9% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 939,500 | $80.9M | 3.39% | +40,000+4.4% | Added |
| TimesSquare Capital Management, LLC | 967,000 | $83.2M | 0.73% | −77,300−7.4% | Reduced |
| TD Asset Management Inc | 1,009,999 | $86.9M | 0.09% | −201,613−16.6% | Reduced |
| Fred Alger Management, LLC | 1,041,299 | $89.6M | 0.21% | −1,188,912−53.3% | Reduced |
| Jennison Associates LLC | 1,070,941 | $92.2M | 0.06% | +67,499+6.7% | Added |
| Teacher Retirement System of Texas | 1,077,112 | $92.7M | 0.50% | +12,262+1.2% | Added |
| Envestnet Asset Management Inc | 1,126,098 | $96.9M | 0.05% | +91,786+8.9% | Added |
| Korea Investment CORP | 1,141,344 | $98.2M | 0.29% | −35,626−3.0% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,189,776 | $102.4M | 0.25% | −1910.0% | Reduced |
| Nuveen Asset Management, LLC | 1,195,631 | $102.9M | 0.03% | −325,157−21.4% | Reduced |
| UBS Asset Management Americas Inc | 1,218,212 | $104.8M | 0.04% | −9,589−0.8% | Reduced |
| Morgan Stanley | 1,221,502 | $105.1M | 0.01% | −17,856−1.4% | Reduced |
| APG Asset Management N.V. | 1,470,084 | $109.2M | 0.19% | −72,886−4.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,270,812 | $109.4M | 0.04% | +36,102+2.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,271,314 | $109.4M | 0.07% | −61,114−4.6% | Reduced |
| FMR LLC | 1,278,191 | $110.0M | 0.01% | −454,251−26.2% | Reduced |
| Granahan Investment Management Inc | 1,341,053 | $115.4M | 2.19% | −15,377−1.1% | Reduced |
| Neuberger Berman Group LLC | 1,344,125 | $115.5M | 0.10% | +906,325+207.0% | Added |
| Echo Street Capital Management LLC | 1,415,189 | $121.8M | 0.86% | −46,873−3.2% | Reduced |
| CIBC Private Wealth Group, LLC | 1,446,397 | $124.5M | 0.29% | +341,960+31.0% | Added |
| Ensign Peak Advisors, Inc | 1,487,082 | $128.0M | 0.27% | −241,908−14.0% | Reduced |
| Victory Capital Management Inc | 1,506,405 | $129.6M | 0.13% | −46,237−3.0% | Reduced |
| Select Equity Group, L.P. | 1,533,104 | $131.9M | 0.44% | +1,422,342+1,284.1% | Added |
| Swiss National Bank | 1,563,590 | $134.6M | 0.09% | −42,500−2.6% | Reduced |
| Champlain Investment Partners, LLC | 1,631,135 | $140.4M | 0.67% | +636,535+64.0% | Added |
| Goldman Sachs Group Inc | 1,728,585 | $148.8M | 0.04% | +140,331+8.8% | Added |
| Bank of New York Mellon Corp | 1,917,700 | $165.0M | 0.03% | −8,603−0.4% | Reduced |
| Legal & General Group Plc | 2,158,358 | $185.7M | 0.06% | −51,432−2.3% | Reduced |
| Riverbridge Partners LLC | 2,508,346 | $215.9M | 2.16% | −10,672−0.4% | Reduced |
| Harding Loevner LP | 2,546,204 | $219.1M | 0.87% | +2,545,984+1,157,265.5% | Added |
| Putnam Investments LLC | 2,648,694 | $227.9M | 0.35% | +163,308+6.6% | Added |
| Blair William & Co | 2,723,906 | $234.4M | 0.80% | +48,540+1.8% | Added |
| DF Dent & Co Inc | 2,747,593 | $236.5M | 2.42% | +450,433+19.6% | Added |
| Federated Hermes, Inc. | 2,794,016 | $240.5M | 0.46% | +114,813+4.3% | Added |
| Ameriprise Financial Inc | 2,900,861 | $250.0M | 0.08% | +112,626+4.0% | Added |
| Northern Trust Corp | 3,033,816 | $261.1M | 0.05% | +223,471+8.0% | Added |
| Bares Capital Management, Inc. | 3,181,966 | $273.8M | 4.91% | −4,604−0.1% | Reduced |
| Voya Investment Management LLC | 3,223,796 | $277.4M | 0.56% | +1,160,950+56.3% | Added |
| Bank of America Corp | 3,583,249 | $308.4M | 0.03% | +209,695+6.2% | Added |
| Norges Bank | 3,634,014 | $312.7M | 0.07% | −189,386−5.0% | Reduced |
| Ownership Capital B.V. | 3,641,272 | $313.4M | 3.55% | +115,692+3.3% | Added |
| Alkeon Capital Management LLC | 3,830,449 | $329.6M | 1.11% | −9,391−0.2% | Reduced |
| Findlay Park Partners LLP | 4,370,114 | $376.1M | 2.59% | +1,022,504+30.5% | Added |
| Wellington Management Group LLP | 4,483,994 | $385.9M | 0.07% | −342,479−7.1% | Reduced |
| Winslow Capital Management, LLC | 4,656,394 | $400.7M | 1.57% | +1,424,059+44.1% | Added |
| Macquarie Group Ltd | 4,724,888 | $406.6M | 0.35% | +949,704+25.2% | Added |
| Geode Capital Management, LLC | 4,953,834 | $425.7M | 0.06% | +14,099+0.3% | Added |
| Veritas Asset Management LLP | 5,122,870 | $440.9M | 2.53% | +698,060+15.8% | Added |
| Third Point LLCSuperinvestorThird Point | 5,687,819 | $489.5M | 2.67% | +16,819+0.3% | Added |
| Vulcan Value Partners, LLC | 7,118,544 | $612.6M | 3.29% | +10,092+0.1% | Added |
| State Street Corp | 8,299,555 | $714.3M | 0.04% | −73,478−0.9% | Reduced |
| Massachusetts Financial Services Co | 8,462,994 | $728.3M | 0.21% | −91,546−1.1% | Reduced |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 9,763,000 | $840.2M | 5.17% | −4,6000.0% | Reduced |
| Franklin Resources Inc | 10,422,215 | $896.9M | 0.34% | −311,595−2.9% | Reduced |
| Sands Capital Management, LLC | 10,537,662 | $906.9M | 1.51% | +1,514,150+16.8% | Added |
| Janus Henderson Group PLC | 11,659,188 | $1.00B | 0.44% | −58,783−0.5% | Reduced |
| Baillie Gifford & Co | 12,536,980 | $1.08B | 0.56% | +536,810+4.5% | Added |
| Principal Financial Group Inc | 15,615,122 | $1.34B | 0.88% | +446,005+2.9% | Added |
| Bamco Inc | 18,639,739 | $1.60B | 3.64% | −153,521−0.8% | Reduced |
| BlackRock Inc. | 24,492,667 | $2.11B | 0.06% | −1,399,282−5.4% | Reduced |
| Vanguard Group Inc | 34,555,484 | $2.97B | 0.07% | −84,349−0.2% | Reduced |
| Price T Rowe Associates Inc | 41,399,512 | $3.56B | 0.34% | −2,281,571−5.2% | Reduced |
| Pelham Capital Ltd. | 0 | $0 | 0.00% | −1,100,340−100.0% | Sold out |
| Senator Investment Group LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −657,599−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −520,261−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −325,537−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −274,940−100.0% | Sold out |