CoStar Group shares dropped to a new 52-week low on Tuesday.
The stock reached a mid-day low of $34.75.
Robert W. Baird lowered its price target to $56.00 from $73.00.
Baird maintained an outperform rating on the stock.
BMO Capital reduced its price target to $44 from $53.
BMO kept a Market Perform rating for the company.
Analysts cited a slower-than-expected ramp-up for Homes.com as a primary factor for the revision.
The price target cuts follow the recent exit of activist investor Third Point.