X0404 N-CEN LIVE 0000356349 XXXXXXXX 811-03327 true false false N-1A S000032712 true S000000693 true S000012219 true MFS SERIES TRUST XIII 811-03327 0000356349 5493000SCRZM3WD72S74 111 Huntington Avenue Boston 02199 US-MA US 617-954-5000 Massachusetts Financial Services Company 111 Huntington Avenue Boston 02199 16179545000 Investment adviser SS&C Technologies 333 West 11th Street Kansas City 64105 18164351000 Technology Vendor MFS Service Center, Inc. 111 Huntington Avenue Boston 02199 16179545000 Transfer agent MFS Fund Distributors, Inc. 111 Huntington Avenue Boston 02199 16179545000 Principal underwriter State Street Bank & Trust Company 1 Lincoln Street Boston 02111-2900 16177863000 Custodian TerraNua U.S. Corp d.b.a. My Compliance Office 535 5th Avenue, 4th floor New York 10017 18669512280 Personal Trading System Charles River Development 700 District Avenue Burlington 01803 17812380099 Investment related records Institutional Shareholder Services, Inc. 702 King Farm Boulevard Suite 400 Rockville 20850-4045 13015560500 Proxy voting administrator Icertis 14711 NE 29th Place, Suite 100 Bellevue 98007 14258697649 Contract management system Micro Focus, LLC 4555 Great America Parkway Suite 400 Santa Clara 95054-1243 16502586827 Storage Vendor Ropes & Gray Prudential Tower 800 Boylston Street Boston 02199-3600 16179517000 Counsel The Depository Trust Company 55 Water Street New York 10041 12128551000 Central Clearinghouse Iron Mountain, Inc. 1 Federal Street Boston 02110 18008994766 Storage Vendor JPMorgan Chase Bank N.A. 383 Madison Avenue New York 10179 12122706000 Custodian N N N-1A 4 Y Steven E. Buller N/A N Laurie J. Thomsen N/A N James W. Kilman, Jr. N/A N John A. Caroselli N/A N Clarence Otis, Jr. N/A N John P. Kavanaugh N/A N Michael W. Roberge N/A Y Maureen R. Goldfarb N/A N Paula E. Smith N/A N Peter D. Jones N/A N Maryanne L. Roepke N/A N Darrell A. Williams 001439293 N Rosa E. Licea-Mailloux N/A 111 Huntington Avenue Boston 02199 XXXXXX N N N N N N MFS FUND DISTRIBUTORS, INC. 8-45321 000031052 N/A Y N ERNST & YOUNG LLP 42 254900Y3CIB1KF938C31 DELOITTE & TOUCHE LLP 34 N/A N N N N N N MFS New Discovery Value Fund S000032712 LRMRW30Z8FYTIFW1W860 N 9 0 0 N/A N N Y N N Goldman Sachs Bank USA KD3XUN7C6T14HNAYLU02 N N Revenue sharing split Cash collateral reinvestment fee 26120805.97000000 650843.00000000 Rule 22d-1 (17 CFR 270.22d-1) Rule 18f-4(c)(4) (17CFR 270.18f-4(c)(4)) Rule 17a-7 (17 CFR 270.17a-7) Rule 32a-4 (17 CFR 270.32a-4) Rule 12d1-1 (17 CFR 270.12d1-1) Rule 18f-4 (17 CFR 270.18f-4) Y Y N N Massachusetts Financial Services Company 801-17352 000110045 1G3OSH3GLGJ7X1JC5I61 N MFS Service Center, Inc. 084-1316 N/A Y N N ICE Data Pricing & Reference Data, LLC 5493000NQ9LYLDBCTL34 N LSEG 2138007FV67QQ13CGJ43 N N Mizuho Bank, Ltd. 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