Columbia Banking System Completes Acquisition of Pacific Premier Bancorp, Expanding Presence in Western US

Strategic Insights -

Columbia Banking System, Inc., a US-based bank holding company, has successfully closed its acquisition of Pacific Premier Bancorp, Inc., the parent company of Pacific Premier Bank. This strategic expansion widens Columbia's presence in Southern California, solidifying its market leadership in the western US. The combined entity now boasts approximately $70 billion in assets, with $50 billion in loans and $56 billion in deposits. The acquisition establishes Columbia as a prominent regional banking leader, with over 350 locations across eight western states.

Key Takeaways:

  • Columbia Banking System's assets have increased to approximately $70 billion following the acquisition of Pacific Premier Bancorp.
  • The combined organization operates over 350 locations across eight western states, including Washington, Oregon, California, Arizona, Colorado, Nevada, Utah, and Idaho.
  • The acquisition has strengthened Columbia's position as a leading western US-based financial institution, with a presence in Southern California for over a decade.
  • The company expects to integrate its systems and services by the first quarter of 2026.
  • Columbia Bank has begun serving customers under its unified name and brand, completing the transition from Umpqua Bank.
  • Former Pacific Premier chairman Steve Gardner, M. Christian Mitchell, and Jaynie Miller Studenmund have joined Columbia's board of directors.
  • Tom Rice has joined Columbia Bank's executive leadership team as chief information officer.

Statistics:

  • Assets: Approximately $70 billion
  • Loans: Approximately $50 billion
  • Deposits: Approximately $56 billion
  • Locations: Over 350 across eight western states
  • Shareholders: Former Pacific Premier stockholders collectively represent approximately 30% of Columbia's shareholders post-closing

Sources:

  • "Columbia Banking System Closes Acquisition of Pacific Premier Bancorp" (2025), M2 COMMUNICATIONS
  • (\(Note\): Exact source reference provided as obtained from the original document)