Sycamore Partners, a New York-based private equity firm, on Thursday agreed to pay $11.45 a share for Walgreens Boots Alliance — the pharmacy chain’s parent company — for a $10 billion

Walgreens Boots Alliance will be taken private by Sycamore Partners for $10 billion, the firms said on Thursday, closing out nearly a century of trading on public markets for the U.S. pharmacy giant.The price is a fraction of the $100 billion the second-largest U.

After several months of rumors that Walgreens Boots Alliance would take itself private, the Deerfield-based pharmacy giant confirmed today that it will sell itself for an equity value of around $10 billion to New York-based private-equity firm Sycamore Partners.