Company:  PACIFIC FUNDS SERIES TRUS ... (PFAAX)
Form Type:  485APOS
Filing Date:  5/15/2019 
CIK:  0001137761 
Address:  700 NEWPORT CENTER DRIVE
POST OFFFICE BOX 7500
 
City, State, Zip:  NEWPORT BEACH, California 92660 
Telephone:  (949) 219-3233 
Fiscal Year:  03/31 
Register and access this filing in:     
  FORM 485APOS
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Principal Risks from Holdings in Underlying Funds
    Performance
      FUND PERFORMANCE
    Management
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Principal Risks from Holdings in Underlying Funds
    Performance
      FUND PERFORMANCE
    Management
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Principal Risks from Holdings in Underlying Funds
    Performance
      FUND PERFORMANCE
    Management
    Fees and Expenses of the Fund
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Principal Risks from Holdings in Underlying Funds
    Performance
      FUND PERFORMANCE
    Management
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Principal Risks from Holdings in Underlying Funds
    Performance
      FUND PERFORMANCE
    Management
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
      FUND PERFORMANCE
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
    Fees and Expenses of the Fund
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
      FUND PERFORMANCE
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
    Fees and Expenses of the Fund
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
      FUND PERFORMANCE
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
      FUND PERFORMANCE
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
      FUND PERFORMANCE
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
      PORTFOLIO OF INVESTMENTS
    Investment Goal
      SHAREHOLDER FEES
      OPERATING EXPENSES
    Principal Investment Strategies
    Principal Risks
    Performance
    Management
    Investment Adviser - Pacific Life Fund Advisors LLC
    ADDITIONAL INFORMATION ABOUT PRINCIPAL INVESTMENT STRATEGIES ...
    Investment Goals:
    Principal Investment Strategies
    Principal Risks from Holdings in Underlying Funds:
    Principal Risks from Holdings in Underlying Funds:
    Principal Risks from Holdings in Underlying Funds:
    Principal Risks from Holdings in Underlying Funds:
    Principal Risks from Holdings in Underlying Funds:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Investment Strategies
    Principal Risks:
    Investment Goal
    Principal Investment Strategies
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Investment Goal
    Principal Risks:
    Additional Information About Principal Risks
    ADDITIONAL INFORMATION ABOUT FEES AND EXPENSES
    Additional Information About Shareholder Fees
      SALES CHARGES
      SALES CHARGES
      SALES CHARGES
      SALES CHARGES
    Additional Information About Operating Expenses
    SHAREHOLDER ACCOUNT INFORMATION
      SALES CHARGES
      SALES CHARGES
      SALES CHARGES
      SALES CHARGES
      SALES CHARGES
      FUND PERFORMANCE
      STOCKHOLDERS EQUITY
      SALES CHARGES
      SALES CHARGES
    ADDITIONAL INFORMATION ABOUT FUND PERFORMANCE
    How Share Prices Are Calculated
    Security and Shareholder Protection
    Dividends and Distributions
    ABOUT MANAGEMENT
      NAME AND TITLE
    FINANCIAL HIGHLIGHTS
    APPENDIX
      WEALTH MANAGEMENT
      Investment Goal
      Fees and Expenses of the Fund
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Portfolio Manager and Primary Title with ...
      Management Firm
      Investment Goal
      Fees and Expenses of the Fund
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
      Fees and Expenses of the Fund
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Portfolio Manager and Primary Title with ...
      Management Firm
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
      Fees and Expenses of the Fund
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
      Fees and Expenses of the Fund
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Portfolio Manager and Primary Title with ...
      Management Firm
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
      Fees and Expenses of the Fund
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      ADDITIONAL INFORMATION ABOUT PRINCIPAL INVESTMENT STRATEGIES ...
      Investment Goal
      Principal Investment Strategies
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Investment Strategies
      Principal Risks:
      Investment Goal
      Principal Investment Strategies
      Principal Risks:
      Principal Investment Strategies
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Investment Strategies
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Investment Strategies
      Principal Risks:
      Investment Goal
      Principal Risks
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Investment Strategies
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Principal Investment Strategies
      Principal Risks:
      Additional Information About Principal Risks
      ADDITIONAL INFORMATION ABOUT FEES AND EXPENSES
      ADDITIONAL INFORMATION ABOUT FUND PERFORMANCE
      How Share Prices Are Calculated
      Dividends and Distributions
      ABOUT MANAGEMENT
      Ashmore Investment Management Limited
        PORTFOLIO OF INVESTMENTS
        NAME AND TITLE
        NAME AND TITLE
        PORTFOLIO OF INVESTMENTS
      FINANCIAL HIGHLIGHTS
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
        SALES CHARGES
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
        SALES CHARGES
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
        SALES CHARGES
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
        SALES CHARGES
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
        PORTFOLIO OF INVESTMENTS
      Investment Goal
        OPERATING EXPENSES
      Principal Investment Strategies
      Principal Risks
      Performance
      Management
      Investment Adviser - Pacific Life Fund Advisors LLC
      ADDITIONAL INFORMATION ABOUT PRINCIPAL INVESTMENT STRATEGIES ...
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Investment Goal
      Principal Risks:
      Additional Information About Principal Risks
      ADDITIONAL INFORMATION ABOUT FEES AND EXPENSES
      How Share Prices Are Calculated
      Dividends and Distributions
      ABOUT MANAGEMENT
      FINANCIAL HIGHLIGHTS
    PACIFIC FUNDS STATEMENT OF ADDITIONAL INFORMATION
      FINANCIAL HIGHLIGHTS TABLE
      SALES CHARGES
      ADDITIONAL INVESTMENT STRATEGIES OF THE FUNDS
      ADDITIONAL INFORMATION ON UNDERLYING FUNDS
      DESCRIPTION OF CERTAIN SECURITIES, INVESTMENTS AND RISKS
      ORGANIZATION AND MANAGEMENT OF THE TRUST
        NAME AND TITLE
        NAME AND TITLE
        NAME AND TITLE
        NAME AND TITLE
      Additional Information Concerning the Board of Trustees
        TRUSTEE OWNERSHIP
        COMPENSATION TABLE
      Investment Adviser
      Management Firms
      PLFA/Pacific Asset Management
      Pacific Asset Management
      NET ASSET VALUE ("NAV")
        FUND PERFORMANCE
        FUND PERFORMANCE
      PERFORMANCE INFORMATION
      Control Persons and Principal Holders of Securities
      Financial Statements
      Code of Ethics
    APPENDIX A
    APPENDIX B
    APPENDIX C
    APPENDIX D
    APPENDIX E
    APPENDIX F
    APPENDIX G
    APPENDIX H
    APPENDIX I
    APPENDIX J
    Appendix A
      2.0 THE BOARD OF DIRECTORS
    APPENDIX K
      Pacific Asset Management
    APPENDIX L
    APPENDIX M
    APPENDIX N
      Management Oversight
    APPENDIX O
    APPENDIX P
    APPENDIX Q
    Appendix 1
    APPENDIX R
      Additional Information
    APPENDIX S
    Part C: OTHER INFORMATION
      Item 28. Exhibits
      Item 29. Persons controlled by or Under Common Control with ...
      Item 30. Indemnification
      Item 31. Business and Other Connections of the Investment ...
      Item 32. Principal Underwriters
      Item 33. Location of Accounts and Records
      Item 34. Management Services
      Item 35. Undertakings
    SIGNATURES
    Power of Attorney
    EXHIBIT INDEX
  EXHIBIT 99.B(D)(1)(YY)
  EXHIBIT 99.B(D)(1)(ZZ)
  EXHIBIT 99.B(D)(8)(A)
  EXHIBIT 99.B(D)(8)(B)
  EXHIBIT 99.B(D)(24)(A)
  EXHIBIT 99.B(D)(24)(B)
  EXHIBIT 99.B(D)(30)(A)
  EXHIBIT 99.B(D)(37)(F)
  EXHIBIT 99.B(D)(40)
  EXHIBIT 99.B(P)(6)
  EXHIBIT 99.B(P)(24)
  EXHIBIT 99.B(P)(36)
  EXHIBIT 99.B(P)(39)
  EXHIBIT 99.B(P)(40)
  EXHIBIT 99.B(P)(42)
  EXHIBIT 99