What bank does Morgan Stanley use?

Could you clarify the context of your question regarding Morgan Stanley's banking arrangements? Are you asking about the primary bank that Morgan Stanley utilizes for its day-to-day operations, or are you referring to a specific aspect of their financial services, such as their banking partners for client transactions?' Its worth noting that large financial institutions like Morgan Stanley often have multiple banking relationships, both domestically and internationally., depending on the specific needs of their clients and operations