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 |
|---|---|---|---|---|---|
| Moody National Bank Trust Division | 24,806 | $1.99M | 0.18% | −2,166−8.0% | Reduced |
| DoubleLine ETF Adviser LP | 24,856 | $2.00M | 0.64% | +327+1.3% | Added |
| Politan Capital Management LP | 24,891 | $2.00M | 0.14% | +24,891 | New |
| WoodTrust Financial Corp | 25,190 | $2.02M | 0.28% | 00.0% | Unchanged |
| Krilogy Financial LLC | 25,274 | $2.03M | 0.12% | +5,539+28.1% | Added |
| Allianz Asset Management GmbH | 25,475 | $2.05M | 0.00% | −8,374−24.7% | Reduced |
| Hartford Investment Management Co | 25,483 | $2.05M | 0.07% | −265−1.0% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 25,554 | $2.05M | 0.02% | +10,480+69.5% | Added |
| Park Avenue Securities LLC | 26,232 | $2.11M | 0.02% | +26,232 | New |
| Malaga Cove Capital, LLC | 26,274 | $2.11M | 0.83% | +53+0.2% | Added |
| Two Sigma Investments, LP | 26,299 | $2.11M | 0.00% | +26,299 | New |
| Ieq Capital, LLC | 26,409 | $2.12M | 0.01% | +6,363+31.7% | Added |
| Portside Wealth Group, LLC | 26,486 | $2.13M | 0.32% | +2,711+11.4% | Added |
| Kentucky Retirement Systems | 26,605 | $2.14M | 0.06% | −1,743−6.1% | Reduced |
| QRG Capital Management, Inc. | 28,108 | $2.26M | 0.02% | +2,990+11.9% | Added |
| Jump Financial, LLC | 28,181 | $2.27M | 0.03% | +28,181 | New |
| Liontrust Investment Partners LLP | 28,324 | $2.28M | 0.03% | +5,152+22.2% | Added |
| AE Wealth Management LLC | 28,641 | $2.30M | 0.02% | −2,929−9.3% | Reduced |
| Icon Wealth Advisors, LLC | 28,851 | $2.32M | 0.17% | +6,432+28.7% | Added |
| Caption Management, LLC | 29,000 | $2.33M | 0.21% | +13,552+87.7% | Added |
| Mizuho Securities USA LLC | 29,162 | $2.34M | 0.05% | +29,162 | New |
| Federation des caisses Desjardins du Quebec | 29,633 | $2.38M | 0.01% | +140.0% | Added |
| Captrust Financial Advisors | 29,729 | $2.39M | 0.01% | +1,125+3.9% | Added |
| Principal Securities, Inc. | 29,774 | $2.39M | 0.04% | +2,157+7.8% | Added |
| Banque Pictet & Cie SA | 29,999 | $2.41M | 0.03% | 00.0% | Unchanged |
| NewEdge Wealth, LLC | 26,298 | $2.51M | 0.04% | +18,335+230.3% | Added |
| Boomfish Wealth Group, LLC | 31,326 | $2.52M | 1.46% | +784+2.6% | Added |
| Scotia Capital Inc. | 31,432 | $2.53M | 0.01% | +189+0.6% | Added |
| Citadel Advisors LLC | 31,443 | $2.53M | 0.00% | −12,047−27.7% | Reduced |
| Castle Hook Partners LP | 31,593 | $2.54M | 0.04% | +31,593 | New |
| Stephens Inc | 31,689 | $2.55M | 0.04% | −1,284−3.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 31,750 | $2.55M | 0.07% | −277,507−89.7% | Reduced |
| Barbara Oil Co. | 32,000 | $2.57M | 1.01% | 00.0% | Unchanged |
| Tredje AP-fonden | 32,061 | $2.58M | 0.02% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 33,491 | $2.69M | 0.02% | +13,803+70.1% | Added |
| Centaurus Financial, Inc. | 33,560 | $2.70M | 0.16% | +11,904+55.0% | Added |
| XTX Topco Ltd | 33,633 | $2.70M | 0.11% | +33,633 | New |
| Papp L Roy & Associates | 33,840 | $2.72M | 0.32% | +592+1.8% | Added |
| Pitcairn Co | 33,919 | $2.73M | 0.18% | −11,223−24.9% | Reduced |
| Formula Growth Ltd | 34,000 | $2.73M | 1.03% | 00.0% | Unchanged |
| D.A. Davidson & Co. | 34,396 | $2.77M | 0.02% | +1,107+3.3% | Added |
| North Star Asset Management Inc | 34,491 | $2.77M | 0.12% | −11,804−25.5% | Reduced |
| Brinker Capital Investments, LLC | 35,042 | $2.82M | 0.02% | −5,015−12.5% | Reduced |
| Norinchukin Bank, The | 35,355 | $2.84M | 0.04% | +2,292+6.9% | Added |
| Swiss Life Asset Management Ltd | 35,389 | $2.85M | 0.02% | +6,362+21.9% | Added |
| Boston Private Wealth LLC | 35,469 | $2.85M | 0.15% | −2,129−5.7% | Reduced |
| Omers Administration Corp | 35,993 | $2.89M | 0.02% | 00.0% | Unchanged |
| Nordea Investment Management AB | 36,150 | $2.91M | 0.00% | +3,133+9.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 36,282 | $2.92M | 0.01% | −1,849−4.8% | Reduced |
| Profund Advisors LLC | 36,365 | $2.92M | 0.11% | +4,224+13.1% | Added |
| Oregon Public Employees Retirement Fund | 36,455 | $2.93M | 0.05% | +300+0.8% | Added |
| Exchange Traded Concepts, LLC | 36,899 | $2.97M | 0.04% | +5,417+17.2% | Added |
| Wealthfront Advisers LLC | 36,976 | $2.97M | 0.01% | −12,866−25.8% | Reduced |
| SlateStone Wealth, LLC | 37,607 | $3.02M | 0.28% | +2,566+7.3% | Added |
| New Age Alpha Advisors, LLC | 37,727 | $3.03M | 0.13% | −11,885−24.0% | Reduced |
| UniSuper Management Pty Ltd | 38,982 | $3.13M | 0.02% | −600−1.5% | Reduced |
| Bank of Nova Scotia | 39,223 | $3.15M | 0.01% | −4,665−10.6% | Reduced |
| AXA S.A. | 39,822 | $3.20M | 0.01% | +5,749+16.9% | Added |
| Gateway Investment Advisers LLC | 40,273 | $3.24M | 0.04% | +9,962+32.9% | Added |
| Davidson Kahn Capital Management, LLC | 40,317 | $3.24M | 2.08% | +227+0.6% | Added |
| JustInvest LLC | 40,616 | $3.27M | 0.04% | −2,025−4.7% | Reduced |
| Creative Planning | 40,772 | $3.28M | 0.00% | −12,459−23.4% | Reduced |
| First Foundation Advisors | 41,223 | $3.31M | 0.12% | −12,869−23.8% | Reduced |
| Employees Retirement System of Texas | 41,372 | $3.33M | 0.03% | +3,401+9.0% | Added |
| Public Employees Retirement Association of Colorado | 41,399 | $3.33M | 0.01% | 00.0% | Unchanged |
| Knollwood Investment Advisory, LLC | 41,863 | $3.37M | 0.32% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 43,502 | $3.47M | 0.01% | +29,477+210.2% | Added |
| Linden Thomas Advisory Services, LLC | 43,314 | $3.48M | 0.38% | −629−1.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 43,641 | $3.51M | 0.02% | +7,248+19.9% | Added |
| CWM Advisors, LLC | 44,012 | $3.54M | 0.39% | +1,637+3.9% | Added |
| Verition Fund Management LLC | 44,897 | $3.61M | 0.02% | −123,251−73.3% | Reduced |
| Baer Investment Advisory LLC | 49,369 | $3.62M | 5.91% | −3,407−6.5% | Reduced |
| La Banque Postale Asset Management SA | 45,118 | $3.63M | 0.05% | −94,348−67.6% | Reduced |
| Woodline Partners LP | 45,635 | $3.67M | 0.02% | +10,031+28.2% | Added |
| HighTower Advisors, LLC | 46,220 | $3.72M | 0.00% | −6,286−12.0% | Reduced |
| S.E.E.D. Planning Group LLC | 46,331 | $3.73M | 1.17% | −1,410−3.0% | Reduced |
| Pathstone Holdings, LLC | 46,546 | $3.74M | 0.01% | +1,032+2.3% | Added |
| iA Global Asset Management Inc. | 46,726 | $3.76M | 0.06% | +1,581+3.5% | Added |
| Oppenheimer & Co Inc | 47,325 | $3.80M | 0.05% | +9,419+24.8% | Added |
| State of Alaska, Department of Revenue | 47,406 | $3.81M | 0.04% | −1,955−4.0% | Reduced |
| Ossiam | 47,672 | $3.83M | 0.04% | +38,956+446.9% | Added |
| Mariner, LLC | 48,205 | $3.88M | 0.01% | −1,186−2.4% | Reduced |
| Shelton Capital Management | 48,763 | $3.92M | 0.09% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 49,307 | $3.96M | 0.01% | −160,246−76.5% | Reduced |
| Yousif Capital Management, LLC | 49,852 | $4.01M | 0.04% | +130+0.3% | Added |
| Elo Mutual Pension Insurance Co | 50,262 | $4.04M | 0.08% | +8,932+21.6% | Added |
| Sequoia Financial Advisors, LLC | 50,579 | $4.07M | 0.03% | +4,506+9.8% | Added |
| Schroder Investment Management Group | 51,309 | $4.13M | 0.00% | −2,481−4.6% | Reduced |
| Louisiana State Employees Retirement System | 53,200 | $4.28M | 0.08% | +500+0.9% | Added |
| Mutual of America Capital Management LLC | 53,819 | $4.33M | 0.05% | −628−1.2% | Reduced |
| Janney Montgomery Scott LLC | 53,902 | $4.33M | 0.01% | −7,129−11.7% | Reduced |
| Qsemble Capital Management, LP | 54,196 | $4.36M | 0.42% | +54,196 | New |
| Allianz SE | 56,052 | $4.51M | 0.11% | +30,540+119.7% | Added |
| Atria Investments LLC | 56,792 | $4.57M | 0.05% | +5,885+11.6% | Added |
| Motley Fool Asset Management LLC | 57,196 | $4.60M | 0.21% | −4,787−7.7% | Reduced |
| New York Life Investment Management LLC | 57,213 | $4.60M | 0.04% | +1,012+1.8% | Added |
| HB Wealth Management, LLC | 57,237 | $4.60M | 0.04% | −19,449−25.4% | Reduced |
| OP Asset Management Ltd | 58,321 | $4.69M | 0.07% | −6,740−10.4% | Reduced |
| Lakehouse Capital Pty Ltd | 58,408 | $4.70M | 2.87% | 00.0% | Unchanged |
| Tsai Capital Corp | 58,583 | $4.71M | 3.45% | −11,044−15.9% | Reduced |