CMCSA vs BX Comparison

Comcast is made up of three parts. The core cable business owns networks capable of providing television, internet access, and phone services to 65 million US homes and businesses, or nearly half of the country. The firm provides services to about half of the locations in this territory. Comcast acquired NBCUniversal from General Electric in 2011. NBCU owns several cable networks, including CNBC, MSNBC, and USA, the NBC network, the Peacock streaming platform, several local NBC affiliates, Universal Studios, and several theme parks. The firm plans to spin off most of its cable networks. Finally, Sky, acquired in 2018, is a large television provider in the UK and Italy.

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).