X0201 N-CEN LIVE 0000863032 XXXXXXXX 811-06102 true true false N-1A true MFS Series Trust VI 811-06102 0000863032 549300TNIHF98FLHSE74 111 Huntington Avenue Boston 02199 US-MA US 617-954-5000 Iron Mountain Inc. 1 Federal Street Boston 02110 18008994766 Storage Vendor Charles River Development 700 District Avenue Burlington 01803 17812380099 Investment related records TerraNua U.S. Corp d.b.a. My Compliance Office 535 5th Avenue 4th floor New York 10017 18669512280 Personal Trading System Massachusetts Financial Services Company 111 Huntington Avenue Boston 02199 16179545000 Investment adviser record Institutional Shareholder Services Inc 702 King Farm Boulevard Suite 400 Rockville 20850 13015560500 Proxy voting administrator MFS Service Center Inc. 100 Hancock Street North Quincy 02171 16179545000 Transfer agency record MFS Fund Distributors,Inc. 111 Huntington Avenue Boston 02199 16179545000 Principal underwriter record The Depository Trust Company 55 Water Street New York 10041 12128551000 DTC Autonomy Corporation Limited 1140 Enterprise Way Sunnyvale 94089 441223448000 Storage Vendor DST Systems,Inc. 333 West 11thStreet Kansas City 64105 18164351000 Technology Vendor JPMorgan Chase 270 Park Avenue New York 10017 12122706000 Custodian record Ropes&Gray 800 Boylston Street Boston 02199 16179517000 Counsel record N N N-1A 3 Y Clarence Otis, Jr. N/A N Michael Hegarty N/A N Robin A. Stelmach N/A Y James W. Kilman, Jr. N/A N Robert J. Manning 004646484 Y Peter D. Jones N/A N Laurie J. Thomsen N/A N Steven E. Buller N/A N Maryanne L. Roepke N/A N John A. Caroselli N/A N Maureen R. Goldfarb N/A N John P. Kavanaugh N/A N Martin J. Wolin 004331075 111 Huntington Avenue Boston 02199 XXXXXX N N N N N N N MFS FUND DISTRIBUTORS, INC. 8-45321 000031052 N/A Y N ERNST & YOUNG LLP 42 N/A N N N N N N MFS Global Total Return Fund S000002469 7ZZXT87VLI6DCYDCH774 N 9 0 0 N/A N N Y N N JPMorgan Chase Bank N.A. 8I5DZWZKVSZI1NUHU748 N N Revenue sharing split Cash collateral reinvestment fee 5725735.09999999 98131.89000000 Rule 17a-7 (17 CFR 270.17a-7) Rule 12d1-1 (17 CFR 270.12d1-1) Rule 22d-1 (17 CFR 270.22d-1) Rule 32a-4 (17 CFR 270.32a-4) Y Y N N MASSACHUSETTS FINANCIAL SERVICES COMPANY 801-17352 000110045 1G3OSH3GLGJ7X1JC5I61 N MFS SERVICE CENTER, INC. 84-1316 N/A Y N N ICE Data Pricing & Reference Data, LLC 5493000NQ9LYLDBCTL34 N PricingDirect Inc. 549300WIC0TOJ7N7GD54 N Refinitiv U.S. Holdings Inc. 5490300NF240HXJO7N016 N IHS Markit 549300HLPTRASHS0E726 GB N N JPMORGAN CHASE BANK 7H6GLXDRUGQFU57RNE97 N N Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1)) N MFS Service Center, Inc. N/A Y N N MASSACHUSETTS FINANCIAL SERVICES 1G3OSH3GLGJ7X1JC5I61 Y N N JEFFERIES & CO., INC. 8-15074-1 000002347 58PU97L1C0WSRCWADL48 3968.61 UBS AG N/A N/A BFM8T61CT2L1QCEMIK50 CH 23617.03 CITIGROUP, INC. 8-08177-1 000007059 6SHGI4ZSSLCXXQSBB395 7532.47 BANK OF AMERICA CORP 8-07221 000007691 9DJT3UXIJIZJI4WXO774 66394.77 DEUTSCHE BANK AG 8-17822-1 000002525 9J6MBOOO7BECTDTUZW19 12454.11 JPMORGAN CHASE & CO. 8-35008-1 000000079 8I5DZWZKVSZI1NUHU748 39771.3 CREDIT SUISSE GROUP 8-00422-1 000000816 549300506SI9CRFV9Z86 CH 15397.36 GOLDMAN SACHS & CO. 8-00129-1 000000361 784F5XWPLTWKTBV3E584 27024.67 MORGAN STANLEY & CO., INC. 8-15869-1 000008209 9R7GPTSO7KV3UQJZQ078 8169.42 BARCLAYS CAPITAL, INC. 8-41342 000019714 AC28XWWI3WIBK2824319 4842.56 234067 CITIGROUP, INC. 8-08177-1 000007059 6SHGI4ZSSLCXXQSBB395 162004394.6 BANK OF AMERICA CORP 8-07221 000007691 9DJT3UXIJIZJI4WXO774 243102452.91000003 BBVA Securities Inc. 8-42857 000027060 549300RJFN0Z663VE860 94088914.56 TD BANK GROUP N/A N/A PT3QB789TSUIDF371261 CA 117776828.93 DEUTSCHE BANK AG 8-17822-1 000002525 9J6MBOOO7BECTDTUZW19 158084860.41 HSBC HOLDINGS PLC N/A N/A MLU0ZO3ML4LN2LL2TL39 GB 97897717.579999983 BNP PARIBAS 8-32682-1 000015794 R0MUWSFPU8MPRO8K5P83 FR 69791725.359999985 JPMORGAN CHASE & CO. 8-35008-1 000000079 8I5DZWZKVSZI1NUHU748 165708995.61 BANK OF NEW YORK MELLON CORP. 8-35255 000017454 WFLLPEPC7FZXENRZV188 76688883.91 Nomura Group 8-15255-1 000004297 OXTKY6Q8X53C9ILVV871 136905339.07999998 1975553673.82 Y 1882183643.2838461 Committed 1250000000 N Uncommitted 200000000 N Uncommitted 100000000 N N N N MFS Utilities Fund S000002470 7PN70WZSAN5180NLO003 N 9 0 0 N/A N N Y N N JPMorgan Chase Bank N.A. 8I5DZWZKVSZI1NUHU748 N N Cash collateral reinvestment fee Revenue sharing split 30362036.21000000 282452.49000000 Rule 12d1-1 (17 CFR 270.12d1-1) Rule 32a-4 (17 CFR 270.32a-4) Rule 17a-7 (17 CFR 270.17a-7) Rule 22d-1 (17 CFR 270.22d-1) Y Y N N MASSACHUSETTS FINANCIAL SERVICES COMPANY 801-17352 000110045 1G3OSH3GLGJ7X1JC5I61 N MFS SERVICE CENTER, INC. 84-1316 N/A Y N N IHS Markit 549300HLPTRASHS0E726 GB N ICE Data Pricing & Reference Data, LLC 5493000NQ9LYLDBCTL34 N Refinitiv U.S. Holdings Inc. 5490300NF240HXJO7N016 N N JPMORGAN CHASE BANK 7H6GLXDRUGQFU57RNE97 N N Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1)) N MFS Service Center, Inc. N/A Y N N MASSACHUSETTS FINANCIAL SERVICES 1G3OSH3GLGJ7X1JC5I61 Y N N MORGAN STANLEY & CO., INC. 8-15869-1 000008209 9R7GPTSO7KV3UQJZQ078 106539.5 HSBC HOLDINGS PLC N/A N/A MLU0ZO3ML4LN2LL2TL39 GB 32602.22 JPMORGAN CHASE & CO. 8-35008-1 000000079 8I5DZWZKVSZI1NUHU748 116154.53 BANCO BRADESCO SA N/A N/A 549300CTUU1RFXHQJE44 BR 37348.61 CREDIT SUISSE GROUP 8-00422-1 000000816 549300506SI9CRFV9Z86 CH 86673.07 NATIONAL FINANCIAL SERVICES LLC 8-26740-1 000013041 549300JRHF1MHHWUAW04 90433.02 BARCLAYS CAPITAL, INC. 8-41342 000019714 AC28XWWI3WIBK2824319 64082.94 GOLDMAN SACHS & CO. 8-00129-1 000000361 784F5XWPLTWKTBV3E584 55149.69 UBS AG N/A N/A BFM8T61CT2L1QCEMIK50 CH 75702.64 BANK OF AMERICA CORP 8-07221 000007691 9DJT3UXIJIZJI4WXO774 46138.26 931620.1 BANK OF AMERICA CORP 8-07221 000007691 9DJT3UXIJIZJI4WXO774 9213649.91 MORGAN STANLEY & CO., INC. 8-15869-1 000008209 9R7GPTSO7KV3UQJZQ078 2837500 JPMORGAN CHASE & CO. 8-35008-1 000000079 8I5DZWZKVSZI1NUHU748 12843698.35 STATE STREET CORP. N/A N/A 571474TGEMMWANRLN572 7998.14 WELLS FARGO & CO. 8-65876-1 000126292 VYVVCKR63DVZZN70PB21 23514600 BARCLAYS CAPITAL, INC. 8-41342 000019714 AC28XWWI3WIBK2824319 4853779.88 53271226.28 Y 3279437594.3492308 Uncommitted 100000000 N Uncommitted 200000000 N Committed 1250000000 N N N N MFS Global Equity Fund S000002468 CLZR9CI6IBVKQPF0HH80 N 9 0 0 N/A N N Y N N JPMorgan Chase Bank N.A. 8I5DZWZKVSZI1NUHU748 N N Revenue sharing split Cash collateral reinvestment fee 18141210.98999999 84908.57000000 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 22d-1 (17 CFR 270.22d-1) Y Y N N MASSACHUSETTS FINANCIAL SERVICES COMPANY 801-17352 000110045 1G3OSH3GLGJ7X1JC5I61 N MFS SERVICE CENTER, INC. 84-1316 N/A Y N N Refinitiv U.S. Holdings Inc. 5490300NF240HXJO7N016 N IHS Markit 549300HLPTRASHS0E726 GB N ICE Data Pricing & Reference Data, LLC 5493000NQ9LYLDBCTL34 N N JPMORGAN CHASE BANK 7H6GLXDRUGQFU57RNE97 N N Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1)) N MFS Service Center, Inc. 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