<SEC-DOCUMENT>0000912938-19-000593-index.html : 20191101
<SEC-HEADER>0000912938-19-000593.hdr.sgml : 20191101
<ACCEPTANCE-DATETIME>20191101090403
ACCESSION NUMBER:		0000912938-19-000593
CONFORMED SUBMISSION TYPE:	497J
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20191101
DATE AS OF CHANGE:		20191101
EFFECTIVENESS DATE:		20191101

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS SERIES TRUST XVI
		CENTRAL INDEX KEY:			0000063067
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497J
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-36431
		FILM NUMBER:		191185329

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		18006372929

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MFS GROWTH OPPORTUNITIES FUND
		DATE OF NAME CHANGE:	19940304

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MFS CAPITAL DEVELOPMENT FUND
		DATE OF NAME CHANGE:	19930408

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MASSACHUSETT MFS CAPITAL DEVELOPMENT FUND
		DATE OF NAME CHANGE:	19921015
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000063067
<SERIES-ID>S000059884
<SERIES-NAME>MFS Prudent Investor Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195901
<CLASS-CONTRACT-NAME>A
<CLASS-CONTRACT-TICKER-SYMBOL>FPPAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195902
<CLASS-CONTRACT-NAME>T
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195903
<CLASS-CONTRACT-NAME>B
<CLASS-CONTRACT-TICKER-SYMBOL>FPPDX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195904
<CLASS-CONTRACT-NAME>C
<CLASS-CONTRACT-TICKER-SYMBOL>FPPEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195905
<CLASS-CONTRACT-NAME>I
<CLASS-CONTRACT-TICKER-SYMBOL>FPPJX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195906
<CLASS-CONTRACT-NAME>R1
<CLASS-CONTRACT-TICKER-SYMBOL>FPPRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195907
<CLASS-CONTRACT-NAME>R2
<CLASS-CONTRACT-TICKER-SYMBOL>FPPSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195908
<CLASS-CONTRACT-NAME>R3
<CLASS-CONTRACT-TICKER-SYMBOL>FPPQX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195909
<CLASS-CONTRACT-NAME>R4
<CLASS-CONTRACT-TICKER-SYMBOL>FPPUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000195910
<CLASS-CONTRACT-NAME>R6
<CLASS-CONTRACT-TICKER-SYMBOL>FPPVX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497J
<SEQUENCE>1
<FILENAME>trust_xvi_497j.htm
<TEXT>
Document 1 - file: trust_xvi_497j.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>image0.jpg
<TEXT>
Document 2 - file: image0.jpg

</DOCUMENT>
</SEC-DOCUMENT>