Costar Group, Inc. (CSGP) — Institutional Ownership     Insider Trades

Costar Group, Inc. (CSGP) — among the top institutional holders, 30 hedge funds and asset managers reported positions as of Q32026. In Q32026, 5 funds opened a new position, 8 increased their stake, and 15 reduced their holdings. The largest holder is Douglas Lane & Associates, LLC with 1.98M shares valued at $ 54.25M.