Series Trust XIII

N-Q 1 dnq.htm SERIES TRUST XIII Series Trust XIII

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF

REGISTERED MANAGEMENT INVESTMENT COMPANIES


Investment Company Act file number 811-3327

MFS SERIES TRUST XIII

(Exact name of registrant as specified in charter)


500 Boylston Street, Boston, Massachusetts 02116
(Address of principal executive offices) (Zip code)

Susan S. Newton

Massachusetts Financial Services Company

500 Boylston Street

Boston, Massachusetts 02116

(Name and address of agents for service)

Registrant’s telephone number, including area code: (617) 954-5000

Date of fiscal year end: February 28

Date of reporting period: November 30, 2007

ITEM 1.

SCHEDULE OF INVESTMENTS.

LOGO

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07


Issuer	Shares/Par		Value ($)
Bonds – 63.0%
Aerospace – 0.4%
Bombardier, Inc., 8%, 2014 (n)	$	226,000	$	233,910
Hawker Beechcraft Acquisition Co. LLC, 9.75%, 2017 (l)(n)		685,000		691,850
Vought Aircraft Industries, Inc., 8%, 2011		235,000		227,950

			$	1,153,710

Agency - Other – 2.4%
Financing Corp., 9.4%, 2018	$	3,475,000	$	4,818,004
Financing Corp., 10.35%, 2018		1,415,000		2,086,406

			$	6,904,410

Apparel Manufacturers – 0.1%
Levi Strauss & Co., 9.75%, 2015	$	180,000	$	180,675

Automotive – 0.6%
Allison Transmission, Inc., 11%, 2015 (l)(n)	$	335,000	$	322,438
Ford Motor Credit Co. LLC, 9.75%, 2010		960,000		932,498
General Motors Corp., 8.375%, 2033 (l)		235,000		195,050
TRW Automotive, Inc., 7%, 2014 (n)		285,000		266,475

			$	1,716,461

Broadcasting – 2.3%
Allbritton Communications Co., 7.75%, 2012	$	1,695,000	$	1,678,050
Bonten Media Acquisition Co., 9%, 2015 (n)(p)		285,000		252,225
CanWest MediaWorks LP, 9.25%, 2015 (n)		195,000		189,638
Clear Channel Communications, Inc., 5.5%, 2014		515,000		410,631
Grupo Televisa S.A., 8.5%, 2032		422,000		528,046
Intelsat Bermuda Ltd., 11.25%, 2016		220,000		227,700
ION Media Networks, Inc., FRN, 11.492%, 2013 (n)		455,000		451,588
Lamar Media Corp., 6.625%, 2015		140,000		133,000
Lamar Media Corp., 6.625%, 2015 (z)		140,000		133,000
LBI Media, Inc., 8.5%, 2017 (n)		185,000		178,525
Lin Television Corp., 6.5%, 2013		1,150,000		1,086,750
Local TV Finance LLC, 9.25%, 2015 (n)(p)		445,000		421,638
Nexstar Broadcasting, Inc., 7%, 2014		230,000		213,325
Univision Communications, Inc., 9.75%, 2015 (n)(p)		795,000		739,350

			$	6,643,466

Brokerage & Asset Managers – 0.1%
Nuveen Investments, Inc., 10.5%, 2015 (z)	$	200,000	$	197,500

Building – 0.2%
Nortek Holdings, Inc., 8.5%, 2014	$	95,000	$	76,950
Ply Gem Industries, Inc., 9%, 2012		580,000		461,100

			$	538,050

Business Services – 0.2%
SunGard Data Systems, Inc., 10.25%, 2015	$	507,000	$	522,210

Cable TV – 0.6%
CCO Holdings LLC, 8.75%, 2013 (l)	$	965,000	$	943,288
CSC Holdings, Inc., 6.75%, 2012		400,000		375,000
NTL Cable PLC, 9.125%, 2016		200,000		199,000
Videotron Ltee, 6.875%, 2014		180,000		172,350

			$	1,689,638

Chemicals – 1.0%
Innophos, Inc., 8.875%, 2014	$	615,000	$	611,925
Koppers, Inc., 9.875%, 2013		190,000		199,500
Momentive Performance Materials, Inc., 9.75%, 2014 (n)		800,000		742,000

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Chemicals – continued
Mosaic Co., 7.625%, 2016 (n)	$	550,000	$	588,500
Nalco Co., 8.875%, 2013		610,000		634,400

			$	2,776,325

Computer Software – 0.1%
First Data Corp., 9.875%, 2015 (n)	$	285,000	$	265,050

Construction – 0.1%
Urbi Desarrollos Urbanos S.A. de C.V., 8.5%, 2016	$	200,000	$	200,000

Consumer Goods & Services – 0.6%
ACCO Brands Corp., 7.625%, 2015	$	95,000	$	85,025
Corrections Corp. of America, 6.25%, 2013		180,000		177,750
Jarden Corp., 7.5%, 2017		335,000		301,500
Kar Holdings, Inc., 10%, 2015 (n)		300,000		272,250
Service Corp. International, 7.375%, 2014		125,000		123,750
Service Corp. International, 6.75%, 2015		80,000		77,600
Service Corp. International, 7%, 2017		540,000		508,950
Visant Holding Corp., 8.75%, 2013		271,000		270,323

			$	1,817,148

Containers – 0.4%
Crown Americas LLC, 7.625%, 2013	$	190,000	$	193,800
Greif, Inc., 6.75%, 2017		570,000		540,075
Owens-Brockway Glass Container, Inc., 8.25%, 2013		535,000		553,725

			$	1,287,600

Defense Electronics – 0.1%
L-3 Communications Corp., 5.875%, 2015	$	450,000	$	432,000

Electronics – 0.3%
Flextronics International Ltd., 6.25%, 2014	$	480,000	$	456,600
Spansion LLC, 11.25%, 2016 (n)		430,000		391,300

			$	847,900

Emerging Market Quasi-Sovereign – 3.2%
Codelco, Inc., 5.625%, 2035	$	1,645,000	$	1,545,443
Gaz Capital S.A., 6.51%, 2022		500,000		482,500
Gazprom International S.A., 6.212%, 2016		1,548,000		1,499,548
Gazprom International S.A., 7.201%, 2020		1,404,926		1,432,199
Gazprom International S.A., 6.51%, 2022 (n)		620,000		595,076
Majapahit Holding B.V., 7.75%, 2016		600,000		594,000
National Power Corp., 6.875%, 2016		300,000		303,750
National Power Corp., 6.875%, 2016 (n)		100,000		101,250
OAO Gazprom, 9.625%, 2013		720,000		822,744
Pemex Project Funding Master Trust, 6.625%, 2035		1,887,000		2,003,103

			$	9,379,613

Emerging Market Sovereign – 10.5%
Banque Centrale de Tunisie, 7.375%, 2012	$	200,000	$	216,760
Federative Republic of Brazil, 6%, 2017		2,274,000		2,322,891
Federative Republic of Brazil, 8%, 2018		1,033,000		1,159,026
Federative Republic of Brazil, 11%, 2040 (l)		332,000		445,876
Republic of Argentina, 7%, 2013 (l)		2,508,000		2,140,021
Republic of Argentina, 8.28%, 2033 (l)		704,701		680,037
Republic of Argentina, FRN, 5.374%, 2012		2,059,375		1,809,145
Republic of Colombia, 7.375%, 2037		550,000		618,750
Republic of Colombia, FRN, 6.677%, 2015		796,000		821,870

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Emerging Market Sovereign – continued
Republic of Croatia, FRN, 6.125%, 2010	$	681,818	$	681,818
Republic of El Salvador, 7.65%, 2035		900,000		1,039,500
Republic of El Salvador, 7.65%, 2035 (n)		225,000		259,875
Republic of Indonesia, 8.5%, 2035		1,887,000		2,202,908
Republic of Panama, 9.375%, 2029		1,240,000		1,689,500
Republic of Panama, 6.7%, 2036		816,000		859,248
Republic of Peru, 6.55%, 2037		1,233,000		1,282,320
Republic of Philippines, 9.375%, 2017		460,000		558,900
Republic of Philippines, 7.75%, 2031		1,150,000		1,299,500
Republic of South Africa, 5.875%, 2022		950,000		953,420
Republic of Turkey, 9.5%, 2014		300,000		352,500
Republic of Turkey, 7%, 2016 (l)		150,000		157,500
Republic of Turkey, 7.375%, 2025		297,000		315,934
Republic of Turkey, 8%, 2034		85,000		95,200
Republic of Turkey, 6.875%, 2036		1,150,000		1,129,875
Republic of Uruguay, 9.25%, 2017		880,000		1,053,800
Republic of Uruguay, 8%, 2022		398,000		447,750
Republic of Venezuela, 8.5%, 2014		1,307,000		1,228,580
Republic of Venezuela, 7%, 2018		206,000		172,731
Republica Orient Uruguay, 7.625%, 2036		700,000		768,250
Russian Federation, 3%, 2008		1,487,000		1,471,208
United Mexican States, 8.3%, 2031		470,000		613,961
United Mexican States, 6.75%, 2034		1,335,000		1,493,865

			$	30,342,519

Energy - Independent – 1.1%
Chaparral Energy, Inc., 8.875%, 2017 (n)	$	650,000	$	578,500
Chesapeake Energy Corp., 6.875%, 2016		515,000		505,988
Forest Oil Corp., 7.25%, 2019 (n)		210,000		207,900
Hilcorp Energy I LP, 7.75%, 2015 (n)		95,000		91,913
Hilcorp Energy I LP, 9%, 2016 (n)		455,000		464,100
Mariner Energy, Inc., 8%, 2017		345,000		326,025
OPTI Canada, Inc., 8.25%, 2014 (l)(n)		165,000		162,525
Plains Exploration & Production Co., 7%, 2017		520,000		494,000
Quicksilver Resources, Inc., 7.125%, 2016		220,000		212,300

			$	3,043,251

Energy - Integrated – 0.5%
Petroleum Co. of Trinidad & Tobago Ltd., 6%, 2022 (n)	$	746,000	$	746,000
TNK-BP Finance S.A., 7.5%, 2016		700,000		676,480
TNK-BP Finance S.A., 7.5%, 2016 (n)		14,000		13,530

			$	1,436,010

Financial Institutions – 0.3%
General Motors Acceptance Corp., 6.875%, 2011	$	612,000	$	534,706
Residential Capital LLC, 7.625%, 2008		530,000		413,400
Residential Capital LLC, 8%, 2012		36,000		23,400

			$	971,506

Food & Beverages – 0.3%
ARAMARK Corp., 8.5%, 2015	$	485,000	$	486,819
Del Monte Corp., 6.75%, 2015		300,000		282,000

			$	768,819

Forest & Paper Products – 0.3%
Buckeye Technologies, Inc., 8%, 2010	$	434,000	$	432,915
Canada Paper Corp., 8.625%, 2011		90,000		74,700

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Forest & Paper Products – continued
Millar Western Forest Products, Ltd., 7.75%, 2013	$	585,000	$	434,363

			$	941,978

Gaming & Lodging – 1.1%
Fontainebleau Las Vegas Holdings LLC, 10.25%, 2015 (n)	$	630,000	$	557,550
Harrah’s Operating Co., Inc., 5.75%, 2017		750,000		536,250
Isle of Capri Casinos, Inc., 7%, 2014		500,000		427,500
MGM Mirage, Inc., 6.75%, 2013		750,000		723,750
MGM Mirage, Inc., 7.5%, 2016		145,000		142,463
Station Casinos, Inc., 6.5%, 2014		520,000		421,200
Tropicana Entertainment LLC, 9.625%, 2014 (l)		330,000		229,350

			$	3,038,063

Industrial – 0.3%
Blount, Inc., 8.875%, 2012	$	325,000	$	325,000
Cii Carbon LLC, 11.125%, 2015 (z)		600,000		591,000
Wesco Distribution, Inc., 7.5%, 2017		70,000		64,400

			$	980,400

Insurance - Health – 0.1%
Centene Corp., 7.25%, 2014	$	210,000	$	204,750

Insurance - Property & Casualty – 0.1%
USI Holdings Corp., 9.75%, 2015 (n)	$	280,000	$	233,800

Medical & Health Technology & Services – 1.4%
Advanced Medical Optics, Inc., 7.5%, 2017	$	100,000	$	91,000
Community Health Systems, Inc., 8.875%, 2015		460,000		464,600
Cooper Cos., Inc., 7.125%, 2015		310,000		300,700
DaVita, Inc., 7.25%, 2015		720,000		700,200
HCA, Inc., 6.375%, 2015		395,000		327,850
HCA, Inc., 9.25%, 2016		275,000		284,625
LVB Acquisition Merger Sub, Inc., 10%, 2017 (n)		660,000		667,425
LVB Acquisition Merger Sub, Inc., 11.625%, 2017 (n)		75,000		73,969
Psychiatric Solutions, Inc., 7.75%, 2015		190,000		185,250
U.S. Oncology, Inc., 10.75%, 2014		450,000		441,000
Universal Hospital Services, Inc., 8.5%, 2015 (n)(p)		205,000		205,000
Universal Hospital Services, Inc., FRN, 8.759%, 2015 (n)		65,000		64,025
VWR Funding, Inc., 10.25%, 2015 (n)		155,000		146,475

			$	3,952,119

Metals & Mining – 1.1%
FMG Finance Ltd., 10.625%, 2016 (n)	$	790,000	$	908,500
Foundation PA Coal Co., 7.25%, 2014		100,000		96,250
Freeport-McMoRan Copper & Gold, Inc., 8.25%, 2015		135,000		144,113
Freeport-McMoRan Copper & Gold, Inc., 8.375%, 2017		580,000		626,400
Freeport-McMoRan Copper & Gold, Inc., FRN, 8.394%, 2015		125,000		127,188
Peabody Energy Corp., 7.375%, 2016		105,000		107,625
Peabody Energy Corp., “B”, 6.875%, 2013		540,000		541,350
PNA Group, Inc., 10.75%, 2016		500,000		480,000
Ryerson, Inc., 12%, 2015 (n)		120,000		117,750

			$	3,149,176

Mortgage Backed – 11.4%
Fannie Mae, 5.972%, 2008	$	100,147	$	100,264

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Mortgage Backed – continued
Fannie Mae, 4.374%, 2013	$	133,889	$	132,416
Fannie Mae, 4.495%, 2013		187,186		185,390
Fannie Mae, 4.51%, 2013		124,488		124,015
Fannie Mae, 5.369%, 2013		98,000		101,636
Fannie Mae, 4.56%, 2014 - 2015		215,952		214,326
Fannie Mae, 4.76%, 2014		97,152		97,462
Fannie Mae, 4.88%, 2014		105,013		105,652
Fannie Mae, 4.935%, 2014		170,197		172,093
Fannie Mae, 4.991%, 2014		176,176		177,671
Fannie Mae, 5.033%, 2014		320,193		322,951
Fannie Mae, 4.6%, 2015		29,033		28,822
Fannie Mae, 4.69%, 2015		202,827		202,875
Fannie Mae, 4.7%, 2015		62,595		62,618
Fannie Mae, 4.78%, 2015		86,133		86,422
Fannie Mae, 4.79%, 2015		129,410		129,145
Fannie Mae, 4.85%, 2015		186,613		188,276
Fannie Mae, 4.856%, 2015		156,882		156,670
Fannie Mae, 4.925%, 2015		154,160		155,390
Fannie Mae, 4.97%, 2015		193,743		194,787
Fannie Mae, 5.022%, 2015		170,697		172,487
Fannie Mae, 5.034%, 2015		113,485		114,982
Fannie Mae, 5.09%, 2016		68,447		69,770
Fannie Mae, 5.259%, 2016		75,000		76,332
Fannie Mae, 5.423%, 2016		34,297		35,486
Fannie Mae, 5.574%, 2016		112,701		115,591
Fannie Mae, 5.93%, 2016		122,633		130,383
Fannie Mae, 6.039%, 2016		72,828		76,854
Fannie Mae, 4.996%, 2017		283,548		286,724
Fannie Mae, 5.218%, 2017		70,000		71,060
Fannie Mae, 5.228%, 2017		110,000		111,729
Fannie Mae, 5.32%, 2017		116,419		119,274
Fannie Mae, 5.456%, 2017		115,000		118,323
Fannie Mae, 5.476%, 2017		168,992		174,060
Fannie Mae, 5.5%, 2017 - 2037		10,964,085		11,001,999
Fannie Mae, 5.559%, 2017		109,362		113,178
Fannie Mae, 5.631%, 2017		113,237		117,688
Fannie Mae, 5.724%, 2017		190,000		198,534
Fannie Mae, 6%, 2017 - 2037		4,054,892		4,128,379
Fannie Mae, 6.5%, 2017 - 2037		362,328		372,978
Fannie Mae, 4.5%, 2018 - 2020		2,060,237		2,030,954
Fannie Mae, 5.19%, 2020		100,558		101,667
Fannie Mae, 5.35%, 2023		100,292		100,990
Fannie Mae, 5%, 2025 - 2027		1,882,207		1,878,498
Freddie Mac, 4.5%, 2015 - 2021		146,928		146,330
Freddie Mac, 6%, 2017 - 2037		688,386		699,490
Freddie Mac, 5%, 2018 - 2027		3,462,310		3,469,602
Freddie Mac, 4%, 2024		257,368		255,238
Freddie Mac, 5.5%, 2024 - 2035		1,207,485		1,215,744
Freddie Mac, 6.5%, 2037		1,502,035		1,544,442
Ginnie Mae, 5.5%, 2033		946,493		960,823

			$	32,948,470

Municipals – 0.3%
California Educational Facilities Authority Rev. (Stanford University), “T-1”, 5%, 2039	$	585,000	$	652,854

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Municipals – continued
Clark County Nevada School District, 5%, 2017	$	500,000	$	548,000
Minnesota Public Facilities Authority Rev., Water Pollution Control, “B”, 5%, 2018		310,000		343,514

			$	1,544,368

Natural Gas - Distribution – 0.4%
AmeriGas Partners LP, 7.125%, 2016	$	300,000	$	288,000
Inergy LP, 6.875%, 2014		820,000		791,300

			$	1,079,300

Natural Gas - Pipeline – 1.0%
Deutsche Bank (El Paso Performance-Linked Trust, CLN), 7.75%, 2011 (n)	$	450,000	$	471,254
El Paso Corp., 7.75%, 2032		860,000		859,144
Intergas Finance B.V., 6.375%, 2017 (n)		173,000		151,591
Williams Cos., Inc., 8.75%, 2032		1,000,000		1,207,500
Williams Partners LP, 7.25%, 2017		175,000		179,375

			$	2,868,864

Network & Telecom – 0.4%
Cincinnati Bell, Inc., 8.375%, 2014	$	55,000	$	53,213
Citizens Communications Co., 9.25%, 2011		250,000		270,625
Nordic Telephone Co. Holdings, 8.875%, 2016 (n)		195,000		197,925
Qwest Capital Funding, Inc., 7.25%, 2011		235,000		232,063
Windstream Corp., 8.625%, 2016		420,000		435,750

			$	1,189,576

Other Banks & Diversified Financials – 0.8%
Banco BMG S.A., 9.15%, 2016	$	300,000	$	307,500
Banco do Estado de Sao Paulo S.A., 8.7%, 2049		180,000		184,950
Banco do Estado de Sao Paulo S.A., 8.7%, 2049 (n)		48,000		49,320
RSHB Capital S.A., 7.175%, 2013		748,000		771,338
RSHB Capital S.A., 6.299%, 2017 (l)		500,000		469,200
Russian Standard Finance S.A., 8.625%, 2011		375,000		327,863
VTB Capital S.A., 7.5%, 2011		54,000		55,742
VTB Capital S.A., 6.609%, 2012 (z)		108,000		107,028

			$	2,272,941

Precious Metals & Minerals – 0.6%
Alrosa Finance S.A., 8.875%, 2014	$	1,700,000	$	1,832,498

Printing & Publishing – 0.7%
American Media Operations, Inc., 10.25%, 2009 (l)	$	405,000	$	360,450
Dex Media, Inc., 0% to 2008, 9% to 2013		250,000		229,375
Idearc, Inc., 8%, 2016		685,000		640,475
Nielsen Finance LLC, 0% to 2011, 12.5% to 2016		515,000		356,638
R.H. Donnelley Corp., 8.875%, 2016		530,000		500,850

			$	2,087,788

Retailers – 0.2%
Couche-Tard, Inc., 7.5%, 2013	$	645,000	$	638,550
Rite Aid Corp., 7.5%, 2017		95,000		85,500

			$	724,050

Specialty Stores – 0.1%
Michaels Stores, Inc., 10%, 2014	$	190,000	$	187,150
Payless ShoeSource, Inc., 8.25%, 2013		170,000		158,100

			$	345,250

Supermarkets – 0.1%
Stater Brothers Holdings, Inc., 7.75%, 2015	$	230,000	$	223,100

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Supermarkets – continued
SUPERVALU, Inc., 7.5%, 2014	$	185,000	$	191,013

			$	414,113

Telecommunications - Wireless – 0.4%
Alltel Corp., 7%, 2012	$	263,000	$	228,793
American Tower Corp., 7%, 2017 (n)		135,000		137,363
MetroPCS Wireless, Inc., 9.25%, 2014		200,000		189,500
UBS Luxembourg S.A., 8.25%, 2016		300,000		303,810
Wind Acquisition Finance S.A., 10.75%, 2015 (n)		375,000		405,000

			$	1,264,466

Transportation - Services – 0.2%
Hertz Corp., 8.875%, 2014	$	595,000	$	595,000

U.S. Government Agencies – 3.5%
Fannie Mae, 4.625%, 2013 (l)	$	2,581,000	$	2,643,458
Fannie Mae, 7.125%, 2030		1,234,000		1,565,182
Freddie Mac, 4.625%, 2008 (l)		2,336,000		2,349,668
Freddie Mac, 5.4%, 2009		2,522,000		2,544,088
Small Business Administration, 6.34%, 2021		448,285		472,223
Small Business Administration, 6.07%, 2022		387,683		412,634

			$	9,987,253

U.S. Treasury Obligations – 11.4% (l)
U.S. Treasury Bonds, 9.25%, 2016	$	576,000	$	790,515
U.S. Treasury Bonds, 6.75%, 2026		2,900,000		3,740,548
U.S. Treasury Bonds, 5%, 2037		500,000		549,063
U.S. Treasury Notes, 6.5%, 2010		53,000		56,822
U.S. Treasury Notes, 5.125%, 2011 (f)		14,661,000		15,607,089
U.S. Treasury Notes, 4.25%, 2013		1,960,000		2,034,572
U.S. Treasury Notes, 4%, 2014		304,000		310,911
U.S. Treasury Notes, 5.125%, 2016		8,889,000		9,644,565
U.S. Treasury Notes, TIPS, 2.375%, 2017		288,469		306,634

			$	33,040,719

Utilities - Electric Power – 1.5%
AES Corp., 9.375%, 2010	$	30,000	$	31,238
Dynegy Holdings, Inc., 7.5%, 2015		85,000		78,200
Edison Mission Energy, 7%, 2017		845,000		809,088
Intergen N.V., 9%, 2017 (n)		155,000		162,750
ISA Capital do Brasil S.A., 8.8%, 2017		600,000		618,000
Mirant Americas Generation LLC, 8.3%, 2011		600,000		598,500
Mirant North American LLC, 7.375%, 2013		135,000		135,338
NRG Energy, Inc., 7.375%, 2016		795,000		779,100
Reliant Energy, Inc., 6.75%, 2014		440,000		438,900
Reliant Energy, Inc., 7.875%, 2017		585,000		566,719
Sierra Pacific Resources, 8.625%, 2014		35,000		37,275

			$	4,255,108

Total Bonds			$	182,063,911

Common Stocks – 32.3%
Aerospace – 0.7%
Lockheed Martin Corp.		6,180	$	683,941
Northrop Grumman Corp.		16,306		1,284,750

			$	1,968,691

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par	Value ($)
Common Stocks – continued
Automotive – 0.1%
General Motors Corp.	6,820	$	203,441

Biotechnology – 0.2%
Amgen, Inc. (a)	8,880	$	490,620

Broadcasting – 0.1%
Walt Disney Co.	13,499	$	447,492

Brokerage & Asset Managers – 0.5%
Goldman Sachs Group, Inc.	700	$	158,648
Lehman Brothers Holdings, Inc.	1,862		116,617
Merrill Lynch & Co., Inc.	4,310		258,341
Morgan Stanley	20,150		1,062,308

		$	1,595,914

Chemicals – 0.4%
Dow Chemical Co.	15,264	$	640,172
PPG Industries, Inc.	7,210		494,894

		$	1,135,066

Computer Software – 0.1%
McAfee, Inc. (a)	3,733	$	145,400

Computer Software - Systems – 0.3%
International Business Machines Corp.	8,900	$	936,102

Consumer Goods & Services – 0.1%
Kimberly-Clark Corp.	1,903	$	132,848
Procter & Gamble Co.	2,420		179,080

		$	311,928

Electrical Equipment – 0.3%
General Electric Co.	13,510	$	517,298
Rockwell Automation, Inc.	1,967		133,540
Tyco International Ltd. (a)	6,880		276,094

		$	926,932

Electronics – 0.2%
Amkor Technology, Inc. (a)	31,120	$	256,429
Intel Corp.	13,500		352,080

		$	608,509

Energy - Integrated – 2.6%
Chevron Corp.	28,100	$	2,466,337
ConocoPhillips	1,940		155,278
Exxon Mobil Corp.	38,650		3,446,034
Hess Corp.	12,140		864,611
Marathon Oil Corp.	11,460		640,614

		$	7,572,874

Food & Beverages – 0.3%
General Mills, Inc.	10,427	$	627,184
SYSCO Corp.	3,430		111,509

		$	738,693

Food & Drug Stores – 0.2%
Kroger Co.	15,980	$	459,425

Gaming & Lodging – 0.1%
Penn National Gaming, Inc. (a)	2,900	$	172,695
Royal Caribbean Cruises Ltd.	6,160		249,850

		$	422,545

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par	Value ($)
Common Stocks – continued
General Merchandise – 0.4%
Macy’s, Inc.	21,485	$	637,030
Wal-Mart Stores, Inc.	8,680		415,772

		$	1,052,802

Health Maintenance Organizations – 0.2%
Aetna Inc.	5,500	$	307,340
Coventry Health Care, Inc. (a)	4,920		284,770

		$	592,110

Insurance – 1.7%
Ace Ltd.	3,737	$	223,585
Allstate Corp.	7,310		373,687
Endurance Specialty Holdings Ltd.	13,720		554,151
Hartford Financial Services Group, Inc.	5,250		500,430
IPC Holdings Ltd.	13,510		399,356
MetLife, Inc.	16,590		1,088,138
Travelers Cos., Inc.	26,380		1,401,042
XL Capital Ltd., “A”	5,860		342,986

		$	4,883,375

Machinery & Tools – 0.8%
Commercial Metals Co.	7,690	$	237,698
Eaton Corp.	10,500		937,755
Timken Co.	34,939		1,114,205

		$	2,289,658

Major Banks – 2.0%
Bank of America Corp.	56,151	$	2,590,246
JPMorgan Chase & Co.	47,600		2,171,512
PNC Financial Services Group, Inc.	7,360		538,826
Regions Financial Corp.	16,019		423,382

		$	5,723,966

Medical & Health Technology & Services – 0.6%
Tenet Healthcare Corp. (a)	292,015	$	1,609,003

Metals & Mining – 0.4%
Freeport-McMoRan Copper & Gold, Inc.	4,350	$	430,346
Nucor Corp.	7,130		422,167
Southern Copper Corp. (l)	2,990		330,844

		$	1,183,357

Natural Gas - Distribution – 0.2%
Energen Corp.	7,520	$	479,325

Natural Gas - Pipeline – 0.1%
El Paso Corp.	17,940	$	288,475
Williams Cos., Inc.	4,420		153,418

		$	441,893

Other Banks & Diversified Financials – 1.2%
CIT Group, Inc.	6,620	$	176,092
Citigroup, Inc.	51,573		1,717,381
Countrywide Financial Corp. (l)	35,979		389,293
Fannie Mae	9,050		347,701
Freddie Mac	12,190		427,503
New York Community Bancorp, Inc.	25,200		468,972

		$	3,526,942

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par	Value ($)
Common Stocks – continued
Pharmaceuticals – 1.4%
Bristol-Myers Squibb Co.	6,100	$	180,743
Eli Lilly & Co.	2,342		124,009
Johnson & Johnson	16,380		1,109,581
Merck & Co., Inc.	19,323		1,147,013
Pfizer, Inc.	47,740		1,134,302
Wyeth	5,870		288,217

		$	3,983,865

Printing & Publishing – 0.1%
Deluxe Corp.	7,750	$	244,823

Railroad & Shipping – 0.2%
Frontline Ltd. (a)(l)	10,200	$	474,810

Real Estate – 13.5%
Alexandria Real Estate Equities, Inc., REIT	18,056	$	1,773,641
AvalonBay Communities, Inc., REIT	11,342		1,127,848
BRE Properties, Inc., REIT (l)	26,969		1,201,469
Developers Diversified Realty Corp., REIT	30,111		1,337,230
Douglas Emmett, Inc., REIT	12,835		308,168
EastGroup Properties, Inc., REIT	27,713		1,278,401
Equity Residential, REIT	25,659		954,771
General Growth Properties, Inc., REIT	28,141		1,306,868
GMH Communities Trust, REIT	179,817		1,050,131
HCP, Inc. (l)	36,722		1,228,351
Highwoods Properties, Inc., REIT	44,776		1,420,742
Host Hotels & Resorts, Inc., REIT	52,282		1,003,292
Kimco Realty Corp., REIT	43,727		1,726,779
Lexington Corporate Properties Trust, REIT (l)	93,335		1,651,096
Macerich Co., REIT	24,873		1,931,388
Medical Properties Trust, Inc., REIT (l)	99,270		1,113,809
Nationwide Health Properties, Inc., REIT	33,441		1,046,034
Pennsylvania Real Estate Investment Trust, REIT (l)	54,837		1,893,522
Plum Creek Timber Co., Inc., REIT	45,672		2,117,811
ProLogis, REIT	33,886		2,216,822
Public Storage, Inc., REIT	14,733		1,139,450
Regency Centers Corp., REIT	17,715		1,176,985
Simon Property Group, Inc., REIT	30,417		2,994,554
SL Green Realty Corp., REIT	17,271		1,794,457
Ventas, Inc., REIT	60,339		2,630,780
Vornado Realty Trust, REIT	18,719		1,684,710

		$	39,109,109

Restaurants – 0.2%
Darden Restaurants, Inc.	15,060	$	599,237

Specialty Stores – 0.1%
RadioShack Corp. (l)	17,000	$	314,500

Telephone Services – 1.3%
AT&T, Inc.	25,370	$	969,388
Citizens Communications Co.	11,780		152,904
Embarq Corp.	19,639		1,000,607
Qwest Communications International, Inc. (a)	89,790		595,308
Verizon Communications, Inc.	22,760		983,460

		$	3,701,667

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Common Stocks – continued
Tobacco – 0.6%
Altria Group, Inc.		19,730	$	1,530,259
Reynolds American, Inc.		2,978		208,520

			$	1,738,779

Utilities - Electric Power – 1.1%
Duke Energy Corp. (a)		17,420	$	344,742
Edison International		14,110		789,878
FirstEnergy Corp.		10,980		752,789
FPL Group, Inc.		2,990		208,582
NRG Energy, Inc. (a)		20,340		862,213
Public Service Enterprise Group, Inc.		3,590		343,707

			$	3,301,911

Total Common Stocks			$	93,214,764

Floating Rate Loans – 2.3% (g)(r)
Aerospace – 0.1%
Hawker Beechcraft ACQ CO, Letter of Credit, 5.26%, 2014	$	7,867	$	7,516
Hawker Beechcraft ACQ CO, Term Loan B, 7.17%, 2014		192,890		184,291

			$	191,807

Automotive – 0.5%
Allison Transmission, Term Loan B, 8.17%, 2014	$	107,090	$	99,727
Ford Motor Co., Term Loan B, 8.7%, 2031		795,854		742,134
Goodyear Tire & Rubber, Second Lien Term Loan, 6.43%, 2014		398,675		373,509
Mark IV Industries, Inc., Second Lien Term Loan, 10.98%, 2011		300,597		284,064

			$	1,499,434

Broadcasting – 0.2%
Gray Television, Inc., Term Loan B, 6.73%, 2014	$	142,139	$	133,729
Univision Communications, Inc., Term Loan B, 7.21%, 2014 (o)		701,057		642,168

			$	775,897

Building – 0.1%
Building Materials Corp., Second Lien Term Loan, 10.56%, 2014 (o)	$	319,832	$	229,213

Cable TV – 0.2%
Charter Communications, Term Loan, 6.99%, 2014	$	316,075	$	294,093
CSC Holdings, Inc., Term Loan B, 6.42%, 2013		198,769		188,147
MCC Iowa Mediacom Broadband LLC, Term Loan A, 6.22%, 2012		181,685		170,027

			$	652,267

Chemicals – 0.1%
Celanese AG, Term Loan, 6.98%, 2011	$	328,633	$	314,373

Computer Software – 0.2%
First Data Corp., Term Loan B-2, 7.96%, 2014	$	538,223	$	509,210

Food & Beverages – 0.2%
Dean Foods, Term Loan B, 6.7%, 2014	$	591,065	$	560,937

Forest & Paper Products – 0.1%
Georgia-Pacific Corp., Term Loan, 7.37%, 2049	$	156,742	$	148,693
Georgia-Pacific Corp., Term Loan B-2, 7.37%, 2049		19,553		18,549

			$	167,242

Medical & Health Technology & Services – 0.3%
Advanced Medical Optics, Inc., Term Loan B, 6.86%, 2014 (o)	$	124,990	$	118,584
Community Health Systems, Term Loan, 7.07%, 2014		200,576		191,634
HCA, Inc., Term Loan B, 7.45%, 2013		624,838		597,668

			$	907,886

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par			Value ($)
Floating Rate Loans(g)(r) – continued
Natural Gas - Pipeline – 0.1%
Kinder Morgan, Inc., Term Loan B, 6.33%, 2014	$	210,872		$	200,117

Pollution Control – 0.1%
Allied Waste North America, Inc., Letter of Credit, 5.32%, 2014	$	105,487		$	100,652
Allied Waste North America, Inc., Term Loan B, 6.6%, 2014		181,232			172,926

				$	273,578

Specialty Stores – 0.1%
Michaels Stores, Inc., Term Loan B, 7.61%, 2013	$	284,690		$	261,203

Total Floating Rate Loans				$	6,543,164

Money Market Funds (v) – 2.9%
MFS Institutional Money Market Portfolio, 5.03%, at Net Asset Value	$	8,384,110		$	8,384,110

Collateral for Securities Loaned – 7.5%
Citigroup Global Market, Inc. Repurchase Agreement, 4.56%, dated 11/30/07, due 12/03/07, total to be received $10,003,800 (secured by U.S. Treasury and Federal Agency obligations and Mortgage Backed securities in a jointly traded account)		10,000,000		$	10,000,000
Morgan Stanley Repurchase Agreement, 4.59%, dated 11/30/07, due 12/03/07, total to be received $ 11,690,156 (secured by U.S. Treasury and Federal Agency obligations and Mortgage Backed securities in a jointly traded account)		11,685,686			11,685,686

Total Collateral for Securities Loaned				$	21,685,686

Total Investments(k)				$	311,891,635


Issue/Expiration Month/Strike Price	Number of Contracts			Value ($)
Call Options Written – 0.0%
Citigroup, Inc. – December 07 @ $22 (a)	$	(192	)	$	(3,264	)
Other Assets, Less Liabilities – (8.0)%					(23,085,890	)

Net Assets – 100.0%				$	288,802,481

(a)

Non-income producing security.

(f)

All or a portion of the security has been segregated as collateral for an open futures contract.

(g)

The rate shown represents a weighted average coupon rate on settled positions at period end.

(k)

As of November 30, 2007, the fund held securities fair valued in accordance with the policies adopted by the Board of Trustees, aggregating $181,663,970 and 58.25% of market value. An independent pricing service provided an evaluated bid for 54.20% of the market value.

(l)

All or a portion of this security is on loan.

(n)

Securities exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be sold in the ordinary course of business in transactions exempt from registration, normally to qualified institutional buyers. At period end, the aggregate value of these securities was $13,777,103, representing 4.8% of net assets.

(o)

All or a portion of this position has not settled. Upon settlement date, interest rates will be determined.

(p)

Payment-in-kind security.

(r)

Remaining maturities of floating rate loans may be less than stated maturities shown as a result of contractual or optional prepayments by the borrower. Such prepayments cannot be predicted with certainty. These loans may be subject to restrictions on resale. Floating rate loans generally have rates of interest which are determined periodically by reference to a base lending rate plus a premium.

(v)

Affiliated fund that is available only to investment companies managed by MFS. The rate quoted is the annualized seven-day yield of the fund at period end.

(z)

Restricted securities are not registered under the Securities Act of 1933 and are subject to legal restrictions on resale. These securities generally may be resold in transactions exempt from registration or to the public if the securities are subsequently registered. Disposal of these securities may involve time-consuming negotiations and prompt sale at an acceptable price may be difficult. The fund holds the following restricted securities:


Restricted Securities	Acquisition Date	Acquisition Cost		Current Market Value
Cii Carbon LLC, 11.125%, 2015	11/01/07	$	600,000	$	591,000
Lamar Media Corp., 6.625%, 2015	11/15/07		133,369		133,000
Nuveen Investments, Inc., 10.5%, 2015	10/31/07		200,000		197,500
VTB Capital S.A., 6.609%, 2012	10/25/07		108,000		107,028

Total Restricted Securities				$	1,028,528

MFS Diversified Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


% of Net Assets		0.4	%

The following abbreviations are used in this report and are defined:

FRN	Floating Rate Note. Interest rate resets periodically and may not be the rate reported at period end.

REIT	Real Estate Investment Trust

See attached supplemental information. For more information see notes to financial statements as disclosed in the most recent semiannual or annual report.

MFS Diversified Income Fund

Supplemental Information (Unaudited) 11/30/07

(1) Portfolio Securities

The cost and unrealized appreciation and depreciation in the value of the investments owned by the fund, as computed on a federal income tax basis, are as follows:


Aggregate Cost	$	318,158,853

Gross unrealized appreciation	$	7,596,169
Gross unrealized depreciation		(13,863,387	)

Net unrealized appreciation (depreciation)	$	(6,267,218	)

The aggregate cost above includes prior fiscal year end tax adjustments.

(2) Securities Lending Collateral

At November 30, 2007, the value of securities loaned was $46,191,185. These loans were collateralized by cash of $21,685,686 and U.S. Treasury obligations of $25,564,249.

(3) Unfunded Loan Commitments

As of November 30, 2007, the portfolio had unfunded loan commitments of $37,570, which could be extended at the option of the borrower, pursuant to the following loan agreements:


Borrower	Unfunded Loan Commitment		Unrealized Appreciation (Depreciation)
Community Health Systems, Term Loan B, 2014	$	13,228	$	(590	)
Univision Communications, Inc., Delay Draw Term Loan B, 2014		24,342		23

	$	37,570	$	(567	)

At November 30, 2007, the fund had sufficient cash and/or other liquid securities to cover any commitments under these contracts.

(4) Financial Instruments

Futures contracts outstanding at 11/30/07


Description	Contracts	Value		Expiration Date	Unrealized Appreciation (Depreciation)
U.S. Treasury Note 10 yr (Short)	34	$	3,848,906	Mar-08	$	2,006

At November 30, 2007, the fund had sufficient cash and/or other liquid securities to cover any commitments under these derivative contracts.

MFS Diversified Income Fund

Supplemental Information (Unaudited) 11/30/07 - continued

(5) Transactions in Underlying Funds - Affliated Issuers

An affiliated issuer may be considered one in which the fund owns 5% or more of the outstanding voting securities, or a company which is under common control. For the purposes of this report, the fund assumes the following to be affiliated issuers:


Underlying Funds:	Beginning Shares/Par Amount		Acquisitions Shares/Par Amount		Dispositions Shares/Par Amount			Ending Shares/Par Amount
MFS Institutional Money Market Portfolio		—		114,797,793		(106,413,683	)		8,384,110

Underlying Funds:	Realized Gain (Loss)		Capital Gain Distributions from Underlying Funds		Dividend Income			Ending Value
MFS Institutional Money Market Portfolio	$	—	$	—	$	331,634		$	8,384,110

LOGO

MFS Government Securities Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07


Issuer	Shares/Par		Value ($)
Bonds – 98.4%
Agency - Other – 6.9%
Financing Corp., 10.7%, 2017	$	14,360,000	$	21,269,156
Financing Corp., 9.4%, 2018		11,750,000		16,291,093
Financing Corp., 9.8%, 2018		14,975,000		21,296,532
Financing Corp., 10.35%, 2018		15,165,000		22,360,671
Financing Corp., STRIPS, 0%, 2017		18,780,000		12,037,398

			$	93,254,850

Mortgage Backed – 52.1%
Fannie Mae, 4.35%, 2013	$	912,530	$	903,776
Fannie Mae, 4.374%, 2013		2,543,882		2,515,913
Fannie Mae, 4.5%, 2019		47,549,202		46,852,444
Fannie Mae, 4.543%, 2013		1,454,314		1,450,000
Fannie Mae, 4.548%, 2014		3,523,321		3,497,826
Fannie Mae, 4.56%, 2015		2,349,976		2,332,294
Fannie Mae, 4.6%, 2014		1,819,435		1,818,873
Fannie Mae, 4.62%, 2015		3,358,481		3,347,889
Fannie Mae, 4.665%, 2015		1,586,360		1,583,876
Fannie Mae, 4.666%, 2014		6,373,388		6,352,485
Fannie Mae, 4.69%, 2015		1,292,905		1,293,206
Fannie Mae, 4.7%, 2015		1,820,070		1,820,731
Fannie Mae, 4.73%, 2012		2,782,239		2,808,261
Fannie Mae, 4.74%, 2015		1,794,836		1,788,401
Fannie Mae, 4.77%, 2014		1,567,907		1,570,499
Fannie Mae, 4.78%, 2015		1,957,824		1,964,408
Fannie Mae, 4.786%, 2012		786,091		792,784
Fannie Mae, 4.79%, 2012 - 2015		13,274,086		13,365,319
Fannie Mae, 4.81%, 2015		1,685,567		1,694,646
Fannie Mae, 4.815%, 2015		1,968,000		1,967,326
Fannie Mae, 4.82%, 2014 - 2015		6,598,094		6,625,488
Fannie Mae, 4.839%, 2014		9,930,184		9,996,312
Fannie Mae, 4.845%, 2013		3,771,551		3,803,925
Fannie Mae, 4.85%, 2015		1,445,293		1,458,167
Fannie Mae, 4.87%, 2015		1,379,387		1,391,707
Fannie Mae, 4.871%, 2014		5,687,657		5,736,640
Fannie Mae, 4.88%, 2020		1,312,207		1,316,654
Fannie Mae, 4.89%, 2015		1,276,825		1,290,462
Fannie Mae, 4.92%, 2014		1,297,246		1,311,030
Fannie Mae, 4.925%, 2015		5,372,156		5,415,035
Fannie Mae, 4.935%, 2014		790,471		799,277
Fannie Mae, 4.996%, 2017		4,505,060		4,555,534
Fannie Mae, 5%, 2013 - 2027		51,859,666		51,952,421
Fannie Mae, 5.05%, 2017		1,897,000		1,925,732
Fannie Mae, 5.06%, 2013 - 2017		2,896,137		2,939,786
Fannie Mae, 5.09%, 2016		600,000		610,656
Fannie Mae, 5.1%, 2014		1,978,446		2,022,618
Fannie Mae, 5.19%, 2020		1,554,343		1,571,478
Fannie Mae, 5.3%, 2017		795,256		819,108
Fannie Mae, 5.369%, 2013		1,959,999		2,032,715
Fannie Mae, 5.38%, 2017		2,097,763		2,170,957
Fannie Mae, 5.423%, 2016		2,972,091		3,075,158
Fannie Mae, 5.471%, 2015		2,473,712		2,567,067
Fannie Mae, 5.5%, 2017 - 2035		196,776,338		197,812,328
Fannie Mae, 5.78%, 2008		3,197,286		3,201,013
Fannie Mae, 6%, 2017 - 2037		67,275,368		68,525,938

MFS Government Securities Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
Mortgage Backed – continued
Fannie Mae, 6.5%, 2016 - 2036	$	25,963,796	$	26,806,023
Fannie Mae, 7.5%, 2024 - 2031		625,279		668,445
Freddie Mac, 3.75%, 2024		2,630,141		2,600,967
Freddie Mac, 4%, 2024		2,524,844		2,503,947
Freddie Mac, 4.375%, 2015		6,651,485		6,566,685
Freddie Mac, 4.5%, 2013 - 2021		7,473,295		7,449,591
Freddie Mac, 5%, 2016 - 2027		51,122,917		51,205,040
Freddie Mac, 5.5%, 2024 - 2035		48,708,320		48,810,199
Freddie Mac, 6%, 2017 - 2037		30,251,735		30,769,386
Freddie Mac, 6.5%, 2016 - 2037		13,113,759		13,489,695
Ginnie Mae, 5.5%, 2033 - 2034		24,729,698		25,092,732

			$	700,610,873

Municipals – 2.0%
California Educational Facilities Authority Rev. (Stanford University), “T-1”, 5%, 2039	$	12,420,000	$	13,860,596
Clark County Nevada School District, 5%, 2017		9,115,000		9,990,040
Minnesota Public Facilities Authority Rev., Water Pollution Control, “B”, 5%, 2018		2,325,000		2,576,356

			$	26,426,992

U.S. Government Agencies – 13.2%
Aid-Egypt, 4.45%, 2015	$	7,118,000	$	7,145,475
Empresa Energetica Cornito Ltd., 6.07%, 2010		4,600,000		4,795,776
Fannie Mae, 3.125%, 2007		25,000,000		24,989,200
Farmer Mac, 5.5%, 2011 (n)		11,110,000		11,708,829
Federal Home Loan Bank, 4.625%, 2008		34,255,000		34,265,790
Federal Home Loan Bank, 5%, 2008		15,000,000		15,047,085
Freddie Mac, 6.625%, 2009		11,515,000		12,086,409
Small Business Administration, 4.77%, 2024		4,962,531		5,003,031
Small Business Administration, 4.86%, 2024 - 2025		8,378,315		8,475,736
Small Business Administration, 4.88%, 2024		2,889,813		2,924,439
Small Business Administration, 4.89%, 2023		6,218,920		6,311,665
Small Business Administration, 4.98%, 2023		2,330,501		2,371,376
Small Business Administration, 4.99%, 2024		4,401,861		4,478,748
Small Business Administration, 5.11%, 2025		4,400,488		4,478,632
Small Business Administration, 5.52%, 2024		3,820,421		3,973,649
Small Business Administration, 6.07%, 2022		2,813,474		2,994,545
Small Business Administration, 6.34%, 2021		2,913,853		3,069,449
Small Business Administration, 6.35%, 2021		2,608,394		2,746,320
Small Business Administration, 6.44%, 2021		2,878,222		3,038,423
Small Business Administration, 6.625%, 2021		3,000,970		3,223,748
Small Business Administration, 8.625%, 2011		107,277		108,714
Small Business Administration, 8.8%, 2011		78,419		79,827
Small Business Administration, 9.05%, 2009		13,504		13,697
Small Business Administration, 9.1%, 2009		10,437		10,687
Small Business Administration, 9.25%, 2010		34,989		35,405
Small Business Administration, 9.3%, 2010		75,538		77,174
Small Business Administration, 9.5%, 2010		61,092		62,271
Small Business Administration, 9.65%, 2010		59,169		60,494
Small Business Administration, 9.7%, 2010		44,796		45,624
Small Business Administration, 9.9%, 2008		6,562		6,653
Small Business Administration, 10.05%, 2008 - 2009		3,832		3,894
U.S. Department of Housing & Urban Development, 6.36%, 2016		7,000,000		7,431,718
U.S. Department of Housing & Urban Development, 6.59%, 2016		6,599,000		6,701,093

			$	177,765,576

MFS Government Securities Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 11/30/07 - continued


Issuer	Shares/Par		Value ($)
Bonds – continued
U.S. Treasury Obligations – 24.2%
U.S. Treasury Bonds, 7.5%, 2016	$	11,740,000	$	14,798,822
U.S. Treasury Bonds, 4.75%, 2017		12,000,000		12,734,064
U.S. Treasury Bonds, 6.25%, 2023		15,238,000		18,404,639
U.S. Treasury Bonds, 6.875%, 2025		1,307,000		1,693,791
U.S. Treasury Bonds, 6%, 2026		26,483,000		31,574,780
U.S. Treasury Bonds, 5.25%, 2028		1,139,000		1,264,112
U.S. Treasury Bonds, 6.25%, 2030		6,166,000		7,760,491
U.S. Treasury Bonds, 5%, 2037		4,763,000		5,230,369
U.S. Treasury Bonds, STRIPS, 0%, 2021		14,612,000		7,779,575
U.S. Treasury Bonds, STRIPS, 0%, 2027		8,016,000		3,235,338
U.S. Treasury Notes, 5.5%, 2008		16,147,000		16,220,162
U.S. Treasury Notes, 6%, 2009		4,566,000		4,785,383
U.S. Treasury Notes, 6.5%, 2010 (f)		25,197,000		27,013,930
U.S. Treasury Notes, 5.125%, 2011		78,741,000		83,822,235
U.S. Treasury Notes, 3.375%, 2012		41,349,000		41,274,696
U.S. Treasury Notes, 4.25%, 2013		2,114,000		2,193,110
U.S. Treasury Notes, 4%, 2014		19,976,000		20,430,134
U.S. Treasury Notes, TIPS, 3.875%, 2009		10,545,543		10,899,810
U.S. Treasury Notes, TIPS, 2.375%, 2017		13,846,047		14,717,919

			$	325,833,360

Total Bonds			$	1,323,891,651

Money Market Funds (v) – 1.9%
MFS Institutional Money Market Portfolio, 5%, at Net Asset Value		26,155,347	$	26,155,347

Total Investments(k)			$	1,350,046,998

Other Assets, Less Liabilities – (0.3)%				(4,213,866	)

Net Assets – 100.0%			$	1,345,833,132

(f)

All or a portion of the security has been segregated as collateral for an open futures contract.

(k)

As of November 30, 2007, the fund held securities fair valued in accordance with the policies adopted by the Board of Trustees, aggregating $1,315,153,978 and 97.42% of market value. All of these security values were provided by an independent pricing service using an evaluated bid.

(n)

(v)

Affiliated fund that is available only to investment companies managed by MFS. The rate quoted is the annualized seven-day yield of the fund at period end.

The following abbreviations are used in this report and are defined:

STRIPS

Separate Trading of Registered Interest and Principal of Securities

TIPS	Treasury Inflation Protected Security

See attached supplemental information. For more information see notes to financial statements as disclosed in the most recent semiannual or annual report.

MFS Government Securities Fund

Supplemental Information (Unaudited) 11/30/07

(1) Portfolio Securities

The cost and unrealized appreciation and depreciation in the value of the investments owned by the fund, as computed on a federal income tax basis, are as follows:


Aggregate Cost	$	1,327,786,765
Gross unrealized appreciation		25,778,781
Gross unrealized depreciation		(3,518,548	)

Net unrealized appreciation (depreciation)	$	22,260,233

The aggregate cost above includes prior fiscal year end tax adjustments.

(2) Financial Instruments

Futures contracts outstanding at 11/30/07


Description	Contracts	Value		Expiration Date	Unrealized Appreciation (Depreciation)
U.S. Treasury Bond (Short)	144	$	16,844,121	Mar-08	$	(30,879	)
U.S. Treasury Note 5 yr (Long)	175		19,194,558	Mar-08		74,583
U.S. Treasury Note 10 yr (Short)	148		16,762,795	Mar-08		8,732

					$	52,436

At November 30, 2007, the fund had sufficient cash and/or other liquid securities to cover any commitments under these derivative contracts.

(3) Transactions in Underlying Funds - Affliated Issuers


Underlying Funds:	Beginning Shares/Par Amount		Acquisitions Shares/Par Amount		Dispositions Shares/Par Amount			Ending Shares/Par Amount
MFS Institutional Money Market Portfolio		—		377,877,052		(351,721,705	)		26,155,347

Underlying Funds:	Realized Gain (Loss)		Capital Gain Distributions from Underlying Funds		Dividend Income			Ending Value
MFS Institutional Money Market Portfolio	$	—	$	—	$	1,057,827		$	26,155,347

ITEM 2.

CONTROLS AND PROCEDURES.

(a)

Based upon their evaluation of the effectiveness of the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940 (the “Act”)) as conducted within 90 days of the filing date of this Form N-Q, the registrant’s principal financial officer and principal executive officer have concluded that those disclosure controls and procedures provide reasonable assurance that the material information required to be disclosed by the registrant on this report is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms.

(b)

There were no changes in the registrant’s internal controls over financial reporting (as defined in Rule 30a-3(d) under the Act) that occurred during the registrant’s last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.

ITEM 3.

EXHIBITS.

File as exhibits as part of this Form a separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the Act (17 CFR 270.30a-2): Attached hereto.

Notice

A copy of the Amended and Restated Declaration of Trust, as amended, of the Registrant is on file with the Secretary of State of The Commonwealth of Massachusetts and notice is hereby given that this instrument is executed on behalf of the Registrant by an officer of the Registrant as an officer and not individually and the obligations of or arising out of this instrument are not binding upon any of the Trustees or shareholders individually, but are binding only upon the assets and property of the respective constituent series of the Registrant.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.


Registrant: MFS SERIES TRUST XIII

By (Signature and Title)*		MARIA F. DWYER
		Maria F. Dwyer, President

Date: January 16, 2008

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.



By (Signature and Title)*		MARIA F. DWYER
		Maria F. Dwyer, President (Principal Executive Officer)

Date: January 16, 2008



By (Signature and Title)*		TRACY ATKINSON
		Tracy Atkinson, Treasurer (Principal Financial Officer and Accounting Officer)

Date: January 16, 2008

*	Print name and title of each signing officer under his or her signature.