The term BANK HOLDINGS: ABBR. can be solved by the crossword solutions ACCTS (5 letters) and MTGES (5 letters). ACCTS stands for Accounts, which are assets held by a bank such as deposits, loans, and investments. MTGES stands for Mortgages, which are loans taken out by individuals or businesses to purchase real estate. Bank holdings are the total of all these assets and liabilities held by a bank.