Shares of Walgreens Boots Alliance (WBA) rose Tuesday premarket after the Wall Street Journal reported that Sycamore Partners was closing in on a deal to acquire the U.S. pharmacy chain for about $10 billion.

Sycamore Partners is nearing an acquisition of Walgreens Boots Alliance Inc., people with knowledge of the matter said, in a deal that could end the drugstore operator’s tumultuous run as a public company.

Walgreens Boots Alliance is closing in on a deal with private-equity firm Sycamore Partners that would take the struggling drugstore chain off the public market for around $10 billion, according to people familiar with the matter.