X0505 N-CEN LIVE 0000078713 XXXXXXXX 811-01466 false false N-1A true PIONEER FUND /MA/ 811-01466 0000078713 HZUZDEH49POKNILHKM86 60 State Street Boston 02109 US-MA US 617-422-4947 The Bank of New York Mellon 240 Greenwich Street New York 10286 212-495-1784 Records related to its functions as custodian and sub-administrator. BNY Mellon Investment Servicing (U.S.) Inc. 500 Ross Street Pittsburgh 15262 412-234-5000 Records related to its functions as shareholder servicing and transfer agent. Victory Capital Services, Inc. 4900 Tiedeman Road 4th Floor Brooklyn 44144 216-898-2400 Records related to its functions as principal underwriter. PIONEER FUND /MA/ 60 State Street Boston 02109 617-422-4947 Records related to its functions as Registrant. Victory Capital Management Inc. 15935 La Cantera Parkway San Antonio 78256 877-660-4400 Records related to its functions as investment adviser and administrator. N Y N-1A 0 Y Thomas J. Perna N/A N John E. Baumgardner, Jr. N/A N Lorraine H. Monchak N/A N Craig C. MacKay 002008771 N Diane Durnin N/A N David C. Brown 004104294 Y Thomas Dusenberry N/A N Benjamin M. Friedman N/A N Fred J. Ricciardi N/A N Sean Fox 003131615 4900 Tiedeman Road 4th Floor Brooklyn 44144 XXXXXX Y N N N N N Victory Capital Services, Inc. 008-047577 000037059 5493007YCZV03392KX12 Y Y Deloitte & Touche LLP 34 549300FJV7IV1ZHGAV28 N N N N N N N false false false false false false