MCK vs BX Comparison

McKesson Corp is one of three leading pharmaceutical wholesalers in the US engaged in sourcing and distributing branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospitals networks, and healthcare providers. Along with Cencora and Cardinal Health, the three account for over 90% of the US pharmaceutical wholesale industry. Outside the US market, McKesson engages in pharmaceutical wholesale and distribution in Canada. Additionally, the company supplies medical-surgical products and equipment to healthcare facilities and provides a variety of technology solutions for pharmacies.

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).