WST vs NTRS Comparison

West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), nonglass containment solutions, and auto-injectors for injectable drugs, which include large-molecule biologics, peptides such as GLP-1 receptor agonists, and small-molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.

Northern Trust is a leading provider of wealth management, asset servicing, asset management, and banking to corporations, institutions, affluent families, and individuals. Founded in Chicago in 1889, Northern Trust has offices in 20 states and Washington, D.C. as well as 23 locations in Canada, Europe, the Middle East, and Asia-Pacific. As of December 2025, Northern Trust had assets under custody or administration of $18.7 trillion and assets under management of $1.8 trillion.