12.30BMarket Cap
501.16P/E TTM
Institutional Confidence
Currency: USD Updated: 2026-06-18The current institutional shareholding score of CoStar Group Inc is 10.00, ranking 1 out of 489 in the Software & IT Services industry. The latest institutional shareholding proportion is 108.44%, representing a quarter-over-quarter decrease of 2.70%. The largest institutional shareholder is Ron Baron, holding a total of 20.36M shares, representing 4.01% of shares outstanding, with 0.37% increase in holdings.
Institutional Shareholding
Shareholder Activity
BlackRock Institutional Trust Company, N.A.
State Street Investment Management (US)
Principal Global Investors (Equity)
Geode Capital Management, L.L.C.
Capital International Investors