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TRANSAMERICA FUNDS

Supplement to the Currently Effective Prospectus, Summary Prospectus and Statement of Additional Information

Transamerica Stock Index

* * *

Effective June 30, 2025, the following will replace the corresponding information in the Prospectus and Summary Prospectus for Transamerica Stock Index relating to BlackRock Fund Advisors under the section entitled “Management”:

 

 Management:

Investment Manager: Transamerica Asset Management, Inc.

Investment Adviser of S&P 500 Index Master Portfolio: BlackRock Fund Advisors

Portfolio Managers of S&P 500 Index Master Portfolio:

 Jennifer Hsui, CFA

  

Portfolio Manager

  

since May 2016

 Peter Sietsema, CFA

  

Portfolio Manager

  

since May 2025

 Matt Waldron, CFA

  

Portfolio Manager

  

since May 2025

 Steven White

  

Portfolio Manager

  

since May 2025

Effective June 30, 2025, the following will replace the corresponding information in the Prospectus for Transamerica Stock Index under the section entitled “Shareholder Information – Portfolio Managers for the Underlying Portfolio”:

 

Name    Adviser    Positions Over Past Five Years
Jennifer Hsui, CFA    BlackRock Fund Advisors    Portfolio Manager of the Underlying Portfolio since 2016; Managing Director of BlackRock, Inc. since 2011
Peter Sietsema, CFA    BlackRock Fund Advisors    Portfolio Manager of the Underlying Portfolio since 2025; Director of BlackRock, Inc. since 2013
Matt Waldron, CFA    BlackRock Fund Advisors    Portfolio Manager of the Underlying Portfolio since 2025; Managing Director of BlackRock, Inc. since 2024; Director of BlackRock, Inc. from 2010 to 2024
Steven White    BlackRock Fund Advisors    Portfolio Manager of the Underlying Portfolio since 2025; Director of BlackRock, Inc. since 2020

* * *

Effective June 30, 2025, the following will replace the corresponding information in the Statement of Additional Information under the section in “Appendix C – Portfolio Managers – BlackRock Fund Advisors (“BlackRock”)”:

 

      Registered Investment
Companies
   Other Pooled Investment
Vehicles
   Other Accounts
  Portfolio Manager    Number   

Assets

Managed

   Number   

Assets

Managed

   Number   

Assets

Managed

Jennifer Hsui, CFA

   354    $2.56 trillion    0    $0    0    $0

Peter Sietsema, CFA

   70    $162.3 billion    3    $62.57 million    2    $4.02 billion

Matt Waldron, CFA

   0    $0    0    $0    0    $0

Steven White

   0    $0    0    $0    0    $0

Fee Based Accounts

(The number of accounts and the total assets in the accounts managed by each portfolio manager with respect to which the
advisory fee is based on the performance of the account.)

Jennifer Hsui, CFA

   0    $0    0    $0    0    $0

Peter Sietsema, CFA

   0    $0    0    $0    0    $0

Matt Waldron, CFA

   0    $0    0    $0    0    $0

Steven White

   0    $0    0    $0    0    $0

***

Investors Should Retain this Supplement for Future Reference

May 27, 2025