Beacon Roofing Supply on Tuesday adopted a poison pill defense to prevent a $11 billion hostile takeover by billionaire entrepreneur Brad Jacobs through his company QXO. The defense strategy creates a roadblock for Jacobs' attempt to become a big player in building products distribution through QXO,

QXO Inc. has launched a hostile takeover bid for Beacon Roofing Supply Inc. after the board of the building products company rejected its offer as too low.

QXO’s $11 billion pitch to buy Beacon Roofing touts the company’s AI experience, as well as the housing shortage in the United States.