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, 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
- 375.9M
- +750.0K (+0.2%) vs. Q2 2021
- Total value
- $32.3B
- +$1.27B (+4.1%) vs. Q2 2021
- New holders
- 66
- 239 more added
- Sold out
- 74
- 200 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 | $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, 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 |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 41,399,512 | $3.56B | 0.34% | −2,281,571−5.2% | Reduced |
| Vanguard Group Inc | 34,555,484 | $2.97B | 0.07% | −84,349−0.2% | Reduced |
| BlackRock Inc. | 24,492,667 | $2.11B | 0.06% | −1,399,282−5.4% | Reduced |
| Bamco Inc | 18,639,739 | $1.60B | 3.63% | −153,521−0.8% | Reduced |
| Principal Financial Group Inc | 15,615,122 | $1.34B | 0.88% | +446,005+2.9% | Added |
| Baillie Gifford & Co | 12,536,980 | $1.08B | 0.56% | +536,810+4.5% | Added |
| Janus Henderson Group PLC | 11,659,188 | $1.00B | 0.44% | −58,783−0.5% | Reduced |
| Sands Capital Management, LLC | 10,537,662 | $906.9M | 1.51% | +1,514,150+16.8% | Added |
| Franklin Resources Inc | 10,422,215 | $896.9M | 0.34% | −311,595−2.9% | Reduced |
| Akre Capital Management LLCSuperinvestorAkre Capital Management | 9,763,000 | $840.2M | 5.17% | −4,6000.0% | Reduced |
| Massachusetts Financial Services Co | 8,462,994 | $728.3M | 0.21% | −91,546−1.1% | Reduced |
| State Street Corp | 8,299,555 | $714.3M | 0.04% | −73,478−0.9% | Reduced |
| Vulcan Value Partners, LLC | 7,118,544 | $612.6M | 3.29% | +10,092+0.1% | Added |
| Third Point LLCSuperinvestorThird Point | 5,687,819 | $489.5M | 2.67% | +16,819+0.3% | Added |
| Veritas Asset Management LLP | 5,122,870 | $440.9M | 2.53% | +698,060+15.8% | Added |
| Geode Capital Management, LLC | 4,953,834 | $425.7M | 0.06% | +14,099+0.3% | Added |
| Macquarie Group Ltd | 4,724,888 | $406.6M | 0.35% | +949,704+25.2% | Added |
| Winslow Capital Management, LLC | 4,656,394 | $400.7M | 1.57% | +1,424,059+44.1% | Added |
| Wellington Management Group LLP | 4,483,994 | $385.9M | 0.07% | −342,479−7.1% | Reduced |
| Findlay Park Partners LLP | 4,370,114 | $376.1M | 2.59% | +1,022,504+30.5% | Added |
| Alkeon Capital Management LLC | 3,830,449 | $329.6M | 1.11% | −9,391−0.2% | Reduced |
| Ownership Capital B.V. | 3,641,272 | $313.4M | 3.55% | +115,692+3.3% | Added |
| Norges Bank | 3,634,014 | $312.7M | 0.07% | −189,386−5.0% | Reduced |
| Bank of America Corp | 3,583,249 | $308.4M | 0.03% | +209,695+6.2% | Added |
| Voya Investment Management LLC | 3,223,796 | $277.4M | 0.56% | +1,160,950+56.3% | Added |
| Bares Capital Management, Inc. | 3,181,966 | $273.8M | 4.91% | −4,604−0.1% | Reduced |
| Northern Trust Corp | 3,033,816 | $261.1M | 0.05% | +223,471+8.0% | Added |
| Ameriprise Financial Inc | 2,900,861 | $250.0M | 0.08% | +112,626+4.0% | Added |
| Federated Hermes, Inc. | 2,794,016 | $240.5M | 0.46% | +114,813+4.3% | Added |
| DF Dent & Co Inc | 2,747,593 | $236.5M | 2.42% | +450,433+19.6% | Added |
| Blair William & Co | 2,723,906 | $234.4M | 0.80% | +48,540+1.8% | Added |
| Putnam Investments LLC | 2,648,694 | $227.9M | 0.35% | +163,308+6.6% | Added |
| Harding Loevner LP | 2,546,204 | $219.1M | 0.87% | +2,545,984+1,157,265.5% | Added |
| Riverbridge Partners LLC | 2,508,346 | $215.9M | 2.16% | −10,672−0.4% | Reduced |
| Legal & General Group Plc | 2,158,358 | $185.7M | 0.06% | −51,432−2.3% | Reduced |
| Bank of New York Mellon Corp | 1,917,700 | $165.0M | 0.03% | −8,603−0.4% | Reduced |
| Goldman Sachs Group Inc | 1,728,585 | $148.8M | 0.04% | +140,331+8.8% | Added |
| Champlain Investment Partners, LLC | 1,631,135 | $140.4M | 0.67% | +636,535+64.0% | Added |
| Swiss National Bank | 1,563,590 | $134.6M | 0.09% | −42,500−2.6% | Reduced |
| Select Equity Group, L.P. | 1,533,104 | $131.9M | 0.44% | +1,422,342+1,284.1% | Added |
| Victory Capital Management Inc | 1,506,405 | $129.6M | 0.13% | −46,237−3.0% | Reduced |
| Ensign Peak Advisors, Inc | 1,487,082 | $128.0M | 0.27% | −241,908−14.0% | Reduced |
| CIBC Private Wealth Group, LLC | 1,446,397 | $124.5M | 0.29% | +341,960+31.0% | Added |
| Echo Street Capital Management LLC | 1,415,189 | $121.8M | 0.86% | −46,873−3.2% | Reduced |
| Neuberger Berman Group LLC | 1,344,125 | $115.5M | 0.10% | +906,325+207.0% | Added |
| Granahan Investment Management Inc | 1,341,053 | $115.4M | 2.19% | −15,377−1.1% | Reduced |
| FMR LLC | 1,278,191 | $110.0M | 0.01% | −454,251−26.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 1,271,314 | $109.4M | 0.07% | −61,114−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 1,270,812 | $109.4M | 0.04% | +36,102+2.9% | Added |
| APG Asset Management N.V. | 1,470,084 | $109.2M | 0.19% | −72,886−4.7% | Reduced |
| Morgan Stanley | 1,221,502 | $105.1M | 0.01% | −17,856−1.4% | Reduced |
| UBS Asset Management Americas Inc | 1,218,212 | $104.8M | 0.04% | −9,589−0.8% | Reduced |
| Nuveen Asset Management, LLC | 1,195,631 | $102.9M | 0.03% | −325,157−21.4% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,189,776 | $102.4M | 0.25% | −1910.0% | Reduced |
| Korea Investment CORP | 1,141,344 | $98.2M | 0.29% | −35,626−3.0% | Reduced |
| Envestnet Asset Management Inc | 1,126,098 | $96.9M | 0.05% | +91,786+8.9% | Added |
| Teacher Retirement System of Texas | 1,077,112 | $92.7M | 0.50% | +12,262+1.2% | Added |
| Jennison Associates LLC | 1,070,941 | $92.2M | 0.06% | +67,499+6.7% | Added |
| Fred Alger Management, LLC | 1,041,299 | $89.6M | 0.21% | −1,188,912−53.3% | Reduced |
| TD Asset Management Inc | 1,009,999 | $86.9M | 0.09% | −201,613−16.6% | Reduced |
| Segall Bryant & Hamill, LLC | 1,005,952 | $86.7M | 0.42% | +496,411+97.4% | Added |
| TimesSquare Capital Management, LLC | 967,000 | $83.2M | 0.73% | −77,300−7.4% | Reduced |
| Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management | 939,500 | $80.9M | 3.39% | +40,000+4.4% | Added |
| Wells Fargo & Company | 908,251 | $78.2M | 0.02% | −740,578−44.9% | Reduced |
| American Century Companies Inc | 904,205 | $77.8M | 0.05% | −18,164−2.0% | Reduced |
| Baird Financial Group, Inc. | 871,814 | $75.0M | 0.19% | +2,795+0.3% | Added |
| William Blair Investment Management, LLC | 859,901 | $74.0M | 0.21% | −25,995−2.9% | Reduced |
| Dimensional Fund Advisors LP | 845,683 | $72.8M | 0.02% | +2,926+0.3% | Added |
| Rathbone Brothers plc | 829,090 | $71.4M | 0.77% | 00.0% | Unchanged |
| Pictet Asset Management SA | 808,765 | $69.6M | 0.08% | +808,765 | New |
| Mitsubishi UFJ Trust & Banking Corp | 806,565 | $69.4M | 0.15% | −16,955−2.1% | Reduced |
| California Public Employees Retirement System | 795,628 | $68.5M | 0.05% | −3,652−0.5% | Reduced |
| Ci Investments Inc. | 793,198 | $68.3M | 0.25% | +165,103+26.3% | Added |
| ExodusPoint Capital Management, LP | 792,701 | $68.2M | 1.02% | +668,307+537.3% | Added |
| STRS Ohio | 767,063 | $66.0M | 0.25% | +156,033+25.5% | Added |
| SEI Investments Co | 757,347 | $65.4M | 0.14% | +176,452+30.4% | Added |
| Millennium Management LLC | 757,759 | $65.2M | 0.09% | −957,627−55.8% | Reduced |
| Parametric Portfolio Associates LLC | 740,603 | $63.7M | 0.04% | −1,148−0.2% | Reduced |
| American Capital Management Inc | 706,977 | $60.8M | 1.63% | −4,987−0.7% | Reduced |
| California State Teachers Retirement System | 689,636 | $59.4M | 0.08% | −14,291−2.0% | Reduced |
| Peregrine Capital Management LLC | 585,220 | $50.4M | 1.04% | −4,740−0.8% | Reduced |
| Wildcat Capital Management, LLC | 583,580 | $50.2M | 6.50% | −70,240−10.7% | Reduced |
| National Pension Service | 554,375 | $47.7M | 0.09% | −3,075−0.6% | Reduced |
| New York State Common Retirement Fund | 552,337 | $47.5M | 0.05% | +1,057+0.2% | Added |
| Geneva Capital Management LLC | 541,837 | $46.6M | 0.79% | −31,751−5.5% | Reduced |
| Raymond James & Associates | 514,579 | $44.3M | 0.04% | +9,807+1.9% | Added |
| State Board of Administration of Florida Retirement System | 510,335 | $43.9M | 0.09% | −14,095−2.7% | Reduced |
| Truist Financial Corp | 504,185 | $43.4M | 0.07% | +43,901+9.5% | Added |
| Capital World Investors | 500,000 | $43.0M | 0.01% | 00.0% | Unchanged |
| Amundi | 484,466 | $41.7M | 0.03% | −664,928−57.9% | Reduced |
| Chicago Capital, LLC | 469,104 | $40.4M | 1.53% | −3,284−0.7% | Reduced |
| Kornitzer Capital Management Inc | 428,575 | $36.9M | 0.57% | +2,285+0.5% | Added |
| Flossbach Von Storch AG | 426,620 | $36.7M | 0.11% | +202,200+90.1% | Added |
| Stephens Investment Management Group LLC | 420,052 | $36.1M | 0.49% | −61,074−12.7% | Reduced |
| Deutsche Bank AG | 409,054 | $35.2M | 0.02% | +77,965+23.5% | Added |
| HRT Financial LP | 402,645 | $34.7M | 0.21% | +127,906+46.6% | Added |
| Bank of Nova Scotia | 399,470 | $34.4M | 0.06% | +399,470 | New |
| Credit Suisse AG | 398,786 | $34.3M | 0.03% | +7,715+2.0% | Added |
| Parnassus Investments | 387,000 | $33.3M | 0.07% | 00.0% | Unchanged |
| Citigroup Inc | 384,255 | $33.1M | 0.03% | −193,327−33.5% | Reduced |