Apollo Looks to Raise Billions for Atlas Structured Finance Unit

Apollo Global Management Inc. is looking to raise debt and equity to help fund the growth of the securitization business it bought from Credit Suisse Group AG, according to people with knowledge of the matter.

The business, known as Atlas SP, is aiming to raise money through a variety of multibillion-dollar vehicles, the people said. The firm hopes that it will raise enough to allow its balance sheet to grow to more than $50 billion, from about $40 billion in February, one person said.

Atlas SP bundles debt like car loans and mortgages into bonds that it sells. It needs ...