KEY POINTS
  • The analyst noted that IBM's struggles will continue as most of its revenue still comes from areas with limited growth.
  • "We love this 100+ year-old American icon, and support management's turnaround strategy, but six+ years in, the company's recovery remains protracted and uncertain," MoffettNathanson analyst Lisa Ellis wrote in a note to clients Thursday.
Pedestrians walk in front of the IBM building in New York.

IBM's shares will struggle as most of its profits are in a "likely irreversible structural decline," according to MoffettNathanson.

Analyst Lisa Ellis initiated the stock with a sell rating and a 12-month price target of $150 a share, which is about 2 percent below Wednesday's closing price of $153.22.