COSTAR GROUP INC (CSGP) Institutional Ownership Changes & 13F Activity
COSTAR GROUP INC (CSGP). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, Fayez Sarofim & Co, Envestnet Asset Management Inc, State Street Corp, and Andra Ap-Fonden.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Envestnet Asset Management Inc | Sell | -266,953 | -14.8% | 1,535,584 | $43.49M | Q2 2026 | Sep 23, 2026 |
| Envestnet Portfolio Solutions, Inc. | Buy | +17,067 | +5.3% | 341,444 | $9.67M | Q2 2026 | Sep 23, 2026 |
| Qrg Capital Management, Inc. | Buy | +1,366 | +4.4% | 32,305 | $914.89K | Q2 2026 | Sep 23, 2026 |
| State Street Corp | Sell | -240,099 | -1.3% | 18,410,876 | $521.40M | Q2 2026 | Sep 22, 2026 |
| Andra Ap-Fonden | Buy | +164,500 | — | 164,500 | $4.66M | Q2 2026 | Sep 22, 2026 |
| Anchor Investment Management, Llc | Buy | +51 | — | 51 | $1.44K | Q2 2026 | Sep 15, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -22,189 | -8.9% | 226,560 | $6.42M | Q2 2026 | Sep 09, 2026 |
| Integrated Wealth Concepts Llc | Buy | +5,895 | +71.2% | 14,178 | $401.52K | Q2 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Buy | +679 | +16.0% | 4,935 | $139.76K | Q2 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Sell | -346,306 | -31.8% | 741,898 | $21.01M | Q2 2026 | Sep 02, 2026 |
| Allianz Asset Management Gmbh | Sell | -3,526 | -12.6% | 24,475 | $693.13K | Q2 2026 | Sep 02, 2026 |
| Cornerstone Financial Management Llc | Sell | -21 | -35.6% | 38 | $1.08K | Q2 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Buy | +2,275 | +2.9% | 81,676 | $2.31M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Buy | +13,573 | +2.0% | 680,684 | $19.28M | Q2 2026 | Aug 24, 2026 |
| Cyber Hornet Etfs Llc | Sell | -53 | -4.5% | 1,112 | $31.49K | Q2 2026 | Aug 24, 2026 |
| Ashford Capital Management Inc | Sell | -14,390 | -14.0% | 88,100 | $2.49M | Q2 2026 | Aug 21, 2026 |
| Mercer Global Advisors Inc | Buy | +110,805 | +231.9% | 158,582 | $4.49M | Q2 2026 | Aug 19, 2026 |
| North Star Asset Management Inc | Buy | +57,651 | +105.9% | 112,073 | $3.17M | Q2 2026 | Aug 18, 2026 |
| Rakuten Investment Management, Inc. | Sell | -20,276 | -23.0% | 68,040 | $1.99M | Q2 2026 | Aug 18, 2026 |
| Liontrust Investment Partners Llp | Buy | +6,734 | +23.8% | 35,058 | $992.84K | Q2 2026 | Aug 18, 2026 |
| Fulcrum Asset Management Llp | Buy | +656 | — | 656 | $19.23K | Q2 2026 | Aug 18, 2026 |
| Twin Lakes Capital Management, Llc | Sell | -21 | -3.4% | 598 | $16.93K | Q2 2026 | Aug 18, 2026 |
| Fayez Sarofim & Co | Sell | -283,044 | -75.6% | 91,531 | $2.59M | Q2 2026 | Aug 17, 2026 |
| Jefferies Financial Group Inc. | Buy | +138,455 | +1347.4% | 148,731 | $4.21M | Q2 2026 | Aug 17, 2026 |
| Empowered Funds, Llc | Sell | -23,813 | -58.1% | 17,174 | $486.37K | Q2 2026 | Aug 17, 2026 |
| Centaurus Financial, Inc. | Sell | -17,144 | -56.1% | 13,390 | $379.00K | Q2 2026 | Aug 17, 2026 |
| United Capital Financial Advisors, Llc | Buy | +13,659 | +129.3% | 24,222 | $685.97K | Q2 2026 | Aug 17, 2026 |
| Public Employees Retirement System Of Ohio | Sell | -5,852 | -4.8% | 117,069 | $3.32M | Q2 2026 | Aug 17, 2026 |
| Capstone Investment Advisors, Llc | Buy | +4,489 | +46.6% | 14,117 | $399.79K | Q2 2026 | Aug 17, 2026 |
| Transamerica Financial Advisors, Llc | Buy | +288 | +33.2% | 1,156 | $32.74K | Q2 2026 | Aug 17, 2026 |
Frequently asked questions about CSGP activity
Which institutional owners are buying CSGP?
Institutional owners buying CSGP include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in CSGP activity?
"Buy" means an investor increased their reported position in CSGP compared to the prior reporting period. This reflects growing exposure to COSTAR GROUP INC (CSGP) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CSGP increasing?
Institutional interest in CSGP can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related CSGP Institutional Insights
- CSGP Overview
- CSGP 13F Institutional Holders
- CSGP Top Institutional Shareholders
- Real Estate Sector Institutional Ownership
- Real Estate Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Real Estate Stocks By Institutional Investors
- Most Sold Real Estate Stocks By Institutional Investors
- CSGP Insider Trading & SEC Form 4 Activity
- CSGP Articles
- Top Institutional Investor Stock Rankings