Deals

Blackstone and TPG Agree to $18 Billion Deal to Buy Hologic

Diagnostic kits manufactured by Hologic Inc.

Photographer: Krisztian Bocsi/Bloomberg

Blackstone Inc. and TPG Inc. have agreed to acquire medical-device maker Hologic Inc. for as much as $18.3 billion, including debt, adding to the flurry of multibillion-dollar dealmaking by private equity firms in recent weeks.

The buyers will pay a total consideration of up to $79 per share for Hologic, according to a statementBloomberg Terminal Tuesday. The offer represents a roughly 15% premium to Hologic’s closing price on Thursday — before Bloomberg News reported a sale was close.