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 2025
Institutional positions in Costar Group, Inc. as of Jun 30, 2025. 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
- 873
- +26 vs. Q1 2025
- Shares held
- 424.8M
- −3.49M (−0.8%) vs. Q1 2025
- Total value
- $34.2B
- +$258.5M (+0.8%) vs. Q1 2025
- New holders
- 101
- 355 more added
- Sold out
- 75
- 315 more reduced
11 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capstone Investment Advisors, LLC | 59,089 | $4.75M | 0.04% | +52,288+768.8% | Added |
| Regions Financial Corp | 59,804 | $4.81M | 0.03% | −4,018−6.3% | Reduced |
| Cerity Partners LLC | 59,844 | $4.81M | 0.01% | +2,578+4.5% | Added |
| Nisa Investment Advisors, LLC | 60,678 | $4.88M | 0.02% | +462+0.8% | Added |
| Davenport & Co LLC | 61,426 | $4.94M | 0.03% | −5,256−7.9% | Reduced |
| Abn Amro Investment Solutions | 62,080 | $4.99M | 0.10% | −1,042−1.7% | Reduced |
| Hahn Capital Management LLC | 62,317 | $5.01M | 2.36% | −897−1.4% | Reduced |
| Van Eck Associates Corp | 62,521 | $5.03M | 0.01% | −5,637−8.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 63,241 | $5.08M | 0.05% | +2,804+4.6% | Added |
| Teacher Retirement System of Texas | 64,040 | $5.15M | 0.02% | +2,444+4.0% | Added |
| Pacer Advisors, Inc. | 64,902 | $5.22M | 0.01% | +23,011+54.9% | Added |
| Platinum Investment Management Ltd | 65,000 | $5.23M | 0.35% | 00.0% | Unchanged |
| US Bancorp | 65,000 | $5.23M | 0.01% | −4,084−5.9% | Reduced |
| Xponance, Inc. | 65,887 | $5.30M | 0.04% | +7,700+13.2% | Added |
| British Columbia Investment Management Corp | 66,367 | $5.34M | 0.03% | −14,239−17.7% | Reduced |
| Taikang Asset Management (Hong Kong) Co Ltd | 66,766 | $5.37M | 0.69% | 00.0% | Unchanged |
| Shell Asset Management Co | 67,450 | $5.42M | 0.19% | −1,457−2.1% | Reduced |
| Utah Retirement Systems | 68,536 | $5.51M | 0.06% | −182−0.3% | Reduced |
| Blue Zone Wealth Advisors, LLC | 68,825 | $5.53M | 1.38% | +2,469+3.7% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 69,866 | $5.62M | 0.05% | −30,649−30.5% | Reduced |
| American Century Companies Inc | 70,499 | $5.67M | 0.00% | +2,276+3.3% | Added |
| Solidarilty Wealth, LLC | 72,625 | $5.84M | 1.37% | +3,418+4.9% | Added |
| Sterling Capital Management LLC | 73,296 | $5.89M | 0.08% | −2,561−3.4% | Reduced |
| USS Investment Management Ltd | 73,670 | $5.92M | 0.04% | 00.0% | Unchanged |
| Westfield Capital Management Co LP | 74,545 | $5.99M | 0.03% | −536−0.7% | Reduced |
| Jefferies Financial Group Inc. | 76,485 | $6.15M | 0.10% | −33,564−30.5% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 77,370 | $6.22M | 0.06% | +11,000+16.6% | Added |
| Storebrand Asset Management AS | 78,042 | $6.27M | 0.02% | +3,205+4.3% | Added |
| Generate Investment Management Ltd | 78,427 | $6.31M | 0.35% | +78,427 | New |
| DnB Asset Management AS | 78,751 | $6.33M | 0.03% | −92,567−54.0% | Reduced |
| Comerica Bank | 79,790 | $6.42M | 0.02% | −3,056−3.7% | Reduced |
| IFM Investors Pty Ltd | 80,152 | $6.44M | 0.06% | +4,476+5.9% | Added |
| Narwhal Capital Management | 80,421 | $6.47M | 0.52% | −6,131−7.1% | Reduced |
| STRS Ohio | 80,981 | $6.51M | 0.02% | +9,981+14.1% | Added |
| Robeco Institutional Asset Management B.V. | 82,584 | $6.64M | 0.01% | −11,371−12.1% | Reduced |
| Amalgamated Bank | 82,717 | $6.65M | 0.05% | +1,280+1.6% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 83,060 | $6.68M | 0.02% | −16,543−16.6% | Reduced |
| Forsta Ap-Fonden | 83,600 | $6.72M | 0.04% | +5,400+6.9% | Added |
| GF Fund Management Co. Ltd. | 84,024 | $6.76M | 0.14% | +5,023+6.4% | Added |
| Public Sector Pension Investment Board | 86,775 | $6.98M | 0.03% | −25,893−23.0% | Reduced |
| Wellington Management Group LLP | 86,856 | $6.98M | 0.00% | −6,578−7.0% | Reduced |
| Quantinno Capital Management LP | 87,128 | $7.01M | 0.03% | +27,712+46.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 87,951 | $7.07M | 0.03% | +3,400+4.0% | Added |
| Primecap Management Co | 88,000 | $7.08M | 0.01% | +31,500+55.8% | Added |
| Hantz Financial Services, Inc. | 88,279 | $7.10M | 0.11% | +3,364+4.0% | Added |
| Northwestern Mutual Wealth Management Co | 89,492 | $7.20M | 0.01% | −64−0.1% | Reduced |
| Retirement Systems of Alabama | 90,530 | $7.28M | 0.03% | −300.0% | Reduced |
| Thematics Asset Management | 90,824 | $7.30M | 0.33% | −3,250−3.5% | Reduced |
| Dash Acquisitions Inc. | 81,904 | $7.45M | 1.58% | +1,211+1.5% | Added |
| Prudential PLC | 93,458 | $7.51M | 0.05% | +86,854+1,315.2% | Added |
| MML Investors Services, LLC | 94,140 | $7.57M | 0.02% | +9,369+11.1% | Added |
| Glenmede Investment Management, LP | 94,179 | $7.57M | 0.04% | +94,179 | New |
| The PNC Financial Services Group, Inc. | 95,893 | $7.71M | 0.00% | −6,987−6.8% | Reduced |
| Driehaus Capital Management LLC | 96,183 | $7.73M | 0.06% | −51,810−35.0% | Reduced |
| KBC Group NV | 97,417 | $7.83M | 0.02% | +2,554+2.7% | Added |
| Azzad Asset Management Inc | 98,077 | $7.89M | 0.84% | −11,900−10.8% | Reduced |
| Prana Capital Management, LP | 98,426 | $7.91M | 0.29% | −22,138−18.4% | Reduced |
| Czech National Bank | 103,124 | $8.29M | 0.06% | +6,341+6.6% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 103,470 | $8.32M | 0.04% | +7,095+7.4% | Added |
| Azimuth Capital Investment Management LLC | 104,274 | $8.38M | 0.31% | −2,516−2.4% | Reduced |
| Daiwa Securities Group Inc. | 106,213 | $8.54M | 0.03% | +13,619+14.7% | Added |
| Guggenheim Capital LLC | 106,513 | $8.56M | 0.07% | +23,658+28.6% | Added |
| Night Owl Capital Management, LLC | 106,893 | $8.59M | 0.99% | +3,052+2.9% | Added |
| Nissay Asset Management Corp | 107,012 | $8.60M | 0.05% | +5,765+5.7% | Added |
| Millennium Management LLC | 107,317 | $8.63M | 0.01% | −218,111−67.0% | Reduced |
| MetLife Investment Management | 109,782 | $8.83M | 0.05% | +436+0.4% | Added |
| Equitable Trust Co | 111,880 | $9.00M | 0.45% | +13,423+13.6% | Added |
| State of Tennessee, Treasury Department | 113,112 | $9.09M | 0.03% | +37,782+50.2% | Added |
| Visualize Group LP | 78,966 | $9.11M | 3.73% | −325,125−80.5% | Reduced |
| Vanderbilt University | 113,984 | $9.16M | 1.73% | +25,805+29.3% | Added |
| Sone Capital Management, LLC | 115,121 | $9.26M | 0.85% | +115,121 | New |
| Truist Financial Corp | 117,688 | $9.46M | 0.01% | −14,167−10.7% | Reduced |
| Jennison Associates LLC | 118,153 | $9.50M | 0.01% | +970+0.8% | Added |
| CI Private Wealth, LLC | 118,470 | $9.52M | 0.01% | −14,126−10.7% | Reduced |
| NFJ Investment Group, LLC | 119,943 | $9.64M | 0.34% | −305−0.3% | Reduced |
| Kelly Lawrence W & Associates Inc | 121,632 | $9.78M | 2.56% | −3,008−2.4% | Reduced |
| State of Michigan Retirement System | 121,800 | $9.79M | 0.05% | −2,100−1.7% | Reduced |
| Arizona State Retirement System | 123,215 | $9.91M | 0.06% | +1,786+1.5% | Added |
| NEOS Investment Management LLC | 124,936 | $10.0M | 0.12% | +49,047+64.6% | Added |
| Handelsbanken Fonder AB | 125,639 | $10.1M | 0.04% | +33,807+36.8% | Added |
| First Citizens Bank & Trust Co | 125,889 | $10.1M | 0.18% | +23,043+22.4% | Added |
| Marshall Wace, LLP | 126,698 | $10.2M | 0.01% | +126,698 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 134,949 | $10.8M | 0.06% | −2,717−2.0% | Reduced |
| Envestnet Portfolio Solutions, Inc. | 136,756 | $11.0M | 0.04% | +18,337+15.5% | Added |
| Cetera Investment Advisers | 139,303 | $11.2M | 0.02% | −3,941−2.8% | Reduced |
| Resona Asset Management Co.,Ltd. | 139,660 | $11.2M | 0.06% | +10,322+8.0% | Added |
| State of New Jersey Common Pension Fund D | 142,759 | $11.5M | 0.04% | −12,584−8.1% | Reduced |
| Fred Alger Management, LLC | 146,621 | $11.8M | 0.05% | +17,439+13.5% | Added |
| Umb Bank N A | 148,585 | $11.9M | 0.19% | +64,477+76.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 150,155 | $12.1M | 0.04% | +19,547+15.0% | Added |
| CIBC World Markets Inc. | 151,534 | $12.2M | 0.03% | +145,734+2,512.7% | Added |
| Fiera Capital Corp | 151,564 | $12.2M | 0.04% | +37,010+32.3% | Added |
| CIBC Asset Management Inc | 152,654 | $12.3M | 0.04% | −4,502−2.9% | Reduced |
| KLP Kapitalforvaltning AS | 152,700 | $12.3M | 0.05% | +9,700+6.8% | Added |
| Nomura Asset Management Co Ltd | 153,459 | $12.3M | 0.03% | +6,517+4.4% | Added |
| 2Xideas AG | 160,167 | $12.9M | 2.22% | −15,462−8.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 165,824 | $13.3M | 0.03% | +451+0.3% | Added |
| Thrivent Financial for Lutherans | 173,729 | $14.0M | 0.03% | −29,951−14.7% | Reduced |
| LGT Group Foundation | 176,246 | $14.2M | 0.18% | +3,764+2.2% | Added |
| Badgley Phelps Wealth Managers, LLC | 176,286 | $14.2M | 0.31% | −2,650−1.5% | Reduced |