A host of major firms including Paul, Weiss, Rifkind, Wharton & Garrison and Skadden, Arps, Slate, Meagher & Flom have won roles on asset management juggernaut Apollo’s $11 billion takeover of annuity provider Athene, the companies announced on Monday.

The mammoth deal will see Apollo, Athene’s largest current shareholder, take over the company in a deal worth $11 billion, according to the statement.