BX vs SO Comparison

Blackstone is the world's largest alternative-asset manager with $1.242 trillion in total asset under management, including $906.2 billion in fee-earning assets under management, at the end of September 2025. The company operates with scale in each of its major product lines: private equity (26% of fee-earning AUM and 33% of base management fees), real estate/real assets (31% and 35%), private credit (34% and 25%), and other alternatives (9% and 7%). While the firm primarily serves institutional investors (84% of AUM), it also caters to clients in the high-net-worth channel (16%). Blackstone operates through 25 offices in the Americas (8), Europe and the Middle East (9), and the Asia-Pacific region (8).

Southern is one of the largest utilities in the US. The company serves 9 million customers with vertically integrated electric utilities in three states and natural gas distribution utilities in four states. It owns 44 gigawatts of rate-regulated generating capacity, primarily for serving customers in Georgia, Alabama, and Mississippi. Subsidiary Southern Power owns 13 gigawatts of natural gas generation and renewable energy across the US and sells the electricity primarily under long-term contracts.