A Pacific Western Bank sign is seen on May 4, 2023 in Los Angeles, California.
PacWest Bancorp is merging with Banc of California.
  • Banc of California and PacWest Bancorp shares surged after announcing an all-stock merger.
  • The new bank will have $36 billion in assets and $30.5 billion in total deposits.
  • The deal joins several mergers in the last few months following the US banking crisis in March.

Shares of Banc of California and PacWest Bancorp got a major boost from news Tuesday that the two lenders will merge in an all-stock deal to create a new bank.