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 811-5262

MFS SERIES TRUST VIII

(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: October 31

Date of reporting period: July 31, 2008

ITEM 1. SCHEDULE OF INVESTMENTS.

MFS Global Growth Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08

Issuer	Shares/Par	Value ($)
Common Stocks – 98.4%
Aerospace – 1.0%
United Technologies Corp.	47,310	$	3,026,894
Alcoholic Beverages – 1.4%
Companhia de Bebidas das Americas, ADR (l)	33,550	$	1,986,831
Pernod Ricard S.A. (l)	25,986		2,259,180
		$	4,246,011
Apparel Manufacturers – 3.8%
Compagnie Financiere Richemont S.A.	25,480	$	1,528,247
Li & Fung Ltd.	690,200		2,344,018
LVMH Moet Hennessy Louis Vuitton S.A.	45,670		5,037,846
NIKE, Inc., “B”	36,810		2,160,011
		$	11,070,122
Automotive – 0.0%
PT Astra International Tbk.	3,500	$	8,640
Biotechnology – 1.6%
Actelion Ltd. (a)	34,742	$	1,886,482
Genzyme Corp.	38,740		2,969,421
		$	4,855,903
Broadcasting – 3.7%
Grupo Televisa S.A., ADR	122,960	$	2,765,370
Societe Television Francaise 1	56,811		970,169
Walt Disney Co.	94,460		2,866,861
WPP Group PLC	455,710		4,338,814
		$	10,941,214
Brokerage & Asset Managers – 4.6%
Daiwa Securities Group, Inc.	290,000	$	2,504,944
Deutsche Boerse AG	18,480		2,106,318
Franklin Resources, Inc.	24,860		2,501,165
Goldman Sachs Group, Inc.	10,980		2,020,759
ICAP PLC	117,490		1,158,257
Julius Baer Holding Ltd.	53,564		3,415,838
		$	13,707,281
Business Services – 5.8%
Accenture Ltd., “A”	50,780	$	2,120,573
Amdocs Ltd.	41,510		1,262,319
Capita Group PLC	82,187		1,119,481
Fidelity National Information Services, Inc.	71,470		1,354,357
Infosys Technologies Ltd., ADR (l)	85,670		3,374,541
Intertek Group PLC	79,230		1,581,659
Lender Processing Services, Inc. (a)	80		2,668
Satyam Computer Services Ltd.	280,480		2,511,638
Visa, Inc., “A”	50,990		3,725,329
		$	17,052,565
Chemicals – 2.5%
3M Co.	41,370	$	2,912,034
Makhteshim-Agan Industries Ltd.	341,320		2,953,653
Wacker Chemie AG	6,990		1,446,169
		$	7,311,856
Computer Software – 2.1%
Oracle Corp.	145,960	$	3,142,519
SAP AG	53,040		3,068,829
		$	6,211,348

1

MFS Global Growth Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par	Value ($)
Common Stocks – continued
Computer Software - Systems – 3.1%
Apple, Inc.	21,600	$	3,433,320
EMC Corp.	193,160		2,899,332
International Business Machines Corp.	22,980		2,940,980
		$	9,273,632
Conglomerates – 1.0%
Siemens AG	23,440	$	2,874,391
Consumer Goods & Services – 4.8%
Alberto-Culver Co.	75,740	$	2,032,104
Colgate-Palmolive Co.	29,620		2,199,877
L’Oreal S.A.	15,480		1,626,847
Procter & Gamble Co.	49,900		3,267,452
Reckitt Benckiser Group PLC	61,520		3,363,562
Shiseido Co. Ltd.	71,000		1,576,401
		$	14,066,243
Containers – 1.1%
Brambles Ltd.	403,080	$	3,100,564
Electrical Equipment – 1.6%
Keyence Corp.	7,000	$	1,512,545
Schneider Electric S.A.	29,337		3,238,721
		$	4,751,266
Electronics – 8.1%
Canon, Inc.	45,500	$	2,079,076
Hirose Electric Co. Ltd.	26,000		2,462,608
Hoya Corp.	55,800		1,138,325
Intel Corp.	233,650		5,184,694
Konica Minolta Holdings, Inc.	112,000		1,833,969
National Semiconductor Corp.	94,880		1,987,736
Royal Philips Electronics N.V.	63,680		2,112,361
Samsung Electronics Co. Ltd.	4,875		2,716,763
SUMCO Corp. (l)	64,200		1,447,087
Taiwan Semiconductor Manufacturing Co. Ltd., ADR	295,615		2,808,344
		$	23,770,963
Energy - Independent – 1.9%
INPEX Holdings, Inc.	553	$	5,556,914
Energy - Integrated – 4.0%
OAO Gazprom, ADR	82,880	$	3,970,903
Petroleo Brasileiro S.A., ADR	58,870		3,291,422
TOTAL S.A.	57,430		4,401,425
		$	11,663,750
Food & Beverages – 3.2%
Nestle S.A.	150,865	$	6,608,598
PepsiCo, Inc.	40,530		2,697,677
		$	9,306,275
Food & Drug Stores – 0.8%
Tesco PLC	345,709	$	2,457,093
Gaming & Lodging – 0.5%
International Game Technology	63,940	$	1,388,137
Internet – 1.1%
Google, Inc., “A”	7,040	$	3,335,200
Machinery & Tools – 0.7%
GEA Group AG	61,940	$	2,043,181

2

MFS Global Growth Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par	Value ($)
Common Stocks – continued
Major Banks – 6.7%
Bank of New York Mellon Corp.	52,020	$	1,846,710
Credit Suisse Group AG	52,760		2,647,383
Erste Bank der oesterreichischen Sparkassen AG	55,530		3,562,169
HSBC Holdings PLC	173,307		2,868,263
Raiffeisen International Bank Holding AG	16,500		2,057,562
Standard Chartered PLC	75,023		2,281,327
State Street Corp.	41,430		2,968,045
UniCredito Italiano S.p.A.	272,872		1,624,379
		$	19,855,838
Medical Equipment – 3.9%
Essilor International S.A.	27,930	$	1,379,897
Medtronic, Inc.	52,320		2,764,066
ResMed, Inc.	38,030		1,438,295
Synthes, Inc.	24,700		3,413,026
Zimmer Holdings, Inc.	37,000		2,549,670
		$	11,544,954
Metals & Mining – 3.4%
Anglo American PLC	45,690	$	2,620,139
BHP Billiton PLC	219,680		7,333,260
		$	9,953,399
Network & Telecom – 4.1%
Cisco Systems, Inc.	147,690	$	3,247,703
NICE Systems Ltd., ADR (l)	49,420		1,460,855
Nokia Oyj	149,970		4,097,647
Research in Motion Ltd.	26,890		3,302,630
		$	12,108,835
Oil Services – 2.4%
Halliburton Co.	50,740	$	2,274,167
Schlumberger Ltd.	29,940		3,041,904
Vallourec S.A.	5,540		1,644,428
		$	6,960,499
Other Banks & Diversified Financials – 3.1%
Aeon Credit Service Co. Ltd.	122,500	$	1,560,852
American Express Co.	78,660		2,919,859
Bank of Cyprus Public Co. Ltd.	128,976		1,707,474
Housing Development Finance Corp. Ltd.	56,949		3,015,185
		$	9,203,370
Pharmaceuticals – 6.4%
Allergan, Inc.	56,080	$	2,912,234
Bayer AG	33,110		2,861,155
Novartis AG	72,690		4,306,650
Novo Nordisk A/S, “B” (l)	45,450		2,890,273
Roche Holding AG	32,390		5,978,558
		$	18,948,870
Restaurants – 0.9%
YUM! Brands, Inc.	75,270	$	2,696,171
Specialty Chemicals – 4.0%
Akzo Nobel N.V.	40,560	$	2,314,964
L’Air Liquide S.A.	20,400		2,675,424
Linde AG	20,820		2,873,914
Praxair, Inc.	25,170		2,359,184
Symrise AG	95,823		1,639,004
		$	11,862,490

3

MFS Global Growth Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par	Value ($)
Common Stocks – continued
Specialty Stores – 1.3%
Industria de Diseno Textile S.A.	44,200	$	2,123,511
Staples, Inc.	77,920		1,753,200
		$	3,876,711
Telecommunications - Wireless – 2.4%
America Movil S.A.B. de C.V., “L”, ADR	56,660	$	2,860,763
MTN Group Ltd.	143,680		2,477,942
Rogers Communications, Inc., “B”	52,020		1,758,229
		$	7,096,934
Telephone Services – 1.4%
Telefonica S.A.	157,980	$	4,114,022
Total Common Stocks		$	290,241,536
Collateral for Securities Loaned – 1.2%
Citigroup Global Markets, Inc. Repurchase Agreement, 2.17%, dated 7/31/08, due 8/01/08, total to be received $3,548,828 (secured by U.S. Treasury and Federal Agency obligations and Mortgage Backed securities in an individually traded account)	3,548,614	$	3,548,614
Money Market Funds (v) – 1.3%
MFS Institutional Money Market Portfolio, 2.57%, at Net Asset Value	3,760,801	$	3,760,801
Total Investments (k)		$	297,550,951
Other Assets, Less Liabilities – (0.9)%			(2,790,876	)
Net Assets – 100.0%		$	294,760,075

(a) Non-income producing security.

(k) As of July 31, 2008, the fund had 60 securities that were fair valued, aggregating $162,713,521 and 54.68% of market value, in accordance with the policies adopted by the Board of Trustees.

(l) All or a portion of this security is on loan.

(v) Underlying 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:

ADR     American Depository Receipt

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

4

MFS Global Growth Fund

Supplemental Information (Unaudited) 7/31/08

(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	$	304,107,705
Gross unrealized appreciation	$	18,950,089
Gross unrealized depreciation		(25,506,843	)
Net unrealized appreciation (depreciation)	$	(6,556,754	)

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

(2) Transactions in Underlying Funds-Affiliated 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 transactions in securities which the fund assumes to be affiliated issuers during the nine months ended July 31, 2008, is set forth below:

Underlying Funds	Beginning Shares/Par Amount	Acquisitions Shares/Par Amount	Dispositions Shares/Par Amount		Ending Shares/Par Amount
MFS Institutional Money Market Portfolio	5,217,288	96,752,325	(98,208,812	)	3,760,801

Underlying Funds	Realized Gain (Loss)		Capital Gain Distributions		Dividend Income		Ending Value
MFS Institutional Money Market Portfolio	$	—	$	—	$	72,238	$	3,760,801

(3) Country Weightings

Country weighting percentages of portfolio holdings based on total net assets as of July 31, 2008, are as follows:

United States	32.0	%
Switzerland	10.1	%
United Kingdom	9.9	%
France	7.9	%
Japan	7.4	%
Germany	6.4	%
India	3.0	%
Spain	2.1	%
Mexico	1.9	%
Other Countries	19.3	%

5

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08

Issuer	Shares/Par		Value ($)
Bonds – 90.7%
Aerospace – 0.4%
Hawker Beechcraft Acquisition Co. LLC, 9.75%, 2017	$	450,000	$	444,375
Vought Aircraft Industries, Inc., 8%, 2011		625,000		576,563
			$	1,020,938
Airlines – 0.2%
Continental Airlines, Inc., 7.339%, 2014	$	548,000	$	411,000
Asset Backed & Securitized – 5.5%
Anthracite Ltd., CDO, 6%, 2037 (z)	$	1,200,000	$	600,000
ARCap REIT, Inc., CDO, “H”, 6.1%, 2045 (n)		900,000		333,000
Bayview Financial Revolving Mortgage Loan Trust, FRN, 3.26%, 2040 (z)		674,286		483,843
Brazilian Merchant Voucher Receivables Ltd., 5.911%, 2011 (z)		875,670		866,913
Chase Commercial Mortgage Securities Corp., 6.6%, 2029 (z)		1,378,380		1,410,839
Countrywide Asset-Backed Certificates, FRN, 4.575%, 2035		25,286		25,120
Crest Ltd., CDO, 7%, 2040		400,000		195,260
Deutsche Mortgage & Asset Receiving Corp., FRN, 7.5%, 2031		1,050,000		1,081,912
DLJ Commercial Mortgage Corp., 6.04%, 2031 (z)		550,000		534,138
Falcon Franchise Loan LLC, 6.5%, 2014 (z)		700,000		424,594
Falcon Franchise Loan LLC, FRN, 3.011%, 2023 (i)(n)		4,670,944		360,174
Falcon Franchise Loan LLC, FRN, 3.421%, 2025 (i)(z)		3,587,800		373,314
First Union-Lehman Brothers Bank of America, FRN, 0.389%, 2035 (i)		17,194,651		275,551
First Union-Lehman Brothers Commercial Mortgage Trust, 7%, 2029 (n)		435,696		451,048
GMAC Commercial Mortgage Securities, Inc., FRN, 6.02%, 2033 (z)		1,758,000		1,616,018
JPMorgan Chase Commercial Mortgage Securities Corp., FRN, 5.364%, 2043		1,789,097		1,560,918
KKR Financial CLO Ltd., “C”, CDO, FRN, 4.126%, 2021 (n)		523,730		315,285
Morgan Stanley Capital I, Inc., 1.444%, 2039 (i)(n)		10,951,115		286,372
Prudential Securities Secured Financing Corp., FRN, 7.286%, 2013 (z)		875,000		681,092
Salomon Brothers Mortgage Securities, Inc., FRN, 6.979%, 2032 (z)		1,800,000		1,902,106
			$	13,777,497
Automotive – 1.2%
Allison Transmission, Inc., 11%, 2015 (n)	$	590,000	$	533,950
Fce Bank PLC, 7.125%, 2012	EUR	500,000		647,089
Ford Motor Credit Co. LLC, 12%, 2015	$	386,000		325,311
Ford Motor Credit Co. LLC, 8%, 2016		610,000		431,100
Ford Motor Credit Co. LLC, FRN, 4.361%, 2010		290,000		247,911
General Motors Corp., 8.375%, 2033		859,000		423,057
Johnson Controls, Inc., 5.25%, 2011		290,000		293,751
			$	2,902,169
Broadcasting – 2.3%
Allbritton Communications Co., 7.75%, 2012	$	485,000	$	446,200
CanWest MediaWorks LP, 9.25%, 2015 (n)		305,000		236,375
DIRECTV Holdings LLC, 7.625%, 2016 (n)		530,000		526,025
Grupo Televisa S.A., 8.5%, 2032		177,000		199,501
Lamar Media Corp., 6.625%, 2015		435,000		391,500
Lamar Media Corp., “C”, 6.625%, 2015		275,000		247,500
LBI Media, Inc., 8.5%, 2017 (n)		300,000		229,875
Liberty Media Corp., 5.7%, 2013		520,000		467,993
LIN TV Corp., 6.5%, 2013		625,000		543,750
Local TV Finance LLC, 9.25%, 2015 (n)(p)		455,000		345,800
Newport Television LLC, 13%, 2017 (n)(p)		460,000		393,300
News America, Inc., 6.4%, 2035		890,000		824,590
Nexstar Broadcasting Group, Inc., 7%, 2014		510,000		419,475
Univision Communications, Inc., 9.75%, 2015 (n)(p)		600,000		457,500
			$	5,729,384
Brokerage & Asset Managers – 0.7%
Lehman Brothers Holdings, Inc., 6.5%, 2017	$	740,000	$	667,945

1

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Brokerage & Asset Managers – continued
Merrill Lynch & Co., Inc., 6.4%, 2017	$	400,000	$	365,137
Nuveen Investments, Inc., 10.5%, 2015 (n)		745,000		670,500
			$	1,703,582
Building – 1.5%
Associated Materials, Inc., 0% to 2009, 11.25% to 2014	$	355,000	$	217,437
Building Materials Corp. of America, 7.75%, 2014		320,000		249,600
CRH America, Inc., 8.125%, 2018		1,430,000		1,444,027
Lafarge S.A., 6.15%, 2011		1,320,000		1,319,834
Nortek Holdings, Inc., 10%, 2013 (n)		225,000		201,375
Nortek Holdings, Inc., 8.5%, 2014		380,000		215,175
Ply Gem Industries, Inc., 9%, 2012		405,000		210,600
			$	3,858,048
Business Services – 0.2%
SunGard Data Systems, Inc., 10.25%, 2015	$	553,000	$	561,295
Cable TV – 1.7%
CCH I Holdings LLC, 11%, 2015	$	437,000	$	331,027
CCH II Holdings LLC, 10.25%, 2010		760,000		723,900
CCO Holdings LLC, 8.75%, 2013		1,080,000		999,000
CSC Holdings, Inc., 6.75%, 2012		380,000		361,950
Mediacom LLC, 9.5%, 2013		530,000		500,850
NTL Cable PLC, 9.125%, 2016		350,000		323,750
TCI Communications, Inc., 9.8%, 2012		841,000		945,488
			$	4,185,965
Chemicals – 1.6%
Braskem S.A., 7.25%, 2018 (z)	$	127,000	$	126,365
Innophos, Inc., 8.875%, 2014		405,000		405,000
Koppers Holdings, Inc., 9.875%, 2013		355,000		372,306
Momentive Performance Materials, Inc., 9.75%, 2014		145,000		128,325
Momentive Performance Materials, Inc., 11.5%, 2016		382,000		294,140
Nalco Co., 7.75%, 2011		450,000		454,500
Nalco Co., 8.875%, 2013		445,000		459,463
Nalco Finance Holdings, Inc., 0% to 2009, 9% to 2014		450,000		405,000
Yara International A.S.A., 5.25%, 2014 (n)		1,300,000		1,253,552
			$	3,898,651
Computer Software – 0.1%
First Data Corp., 9.875%, 2015 (n)	$	425,000	$	376,125
Construction – 0.4%
Lennar Corp., 5.125%, 2010	$	1,110,000	$	965,700
Consumer Goods & Services – 1.8%
Corrections Corp. of America, 6.25%, 2013	$	200,000	$	195,500
Fortune Brands, Inc., 5.125%, 2011		1,025,000		1,021,772
Jarden Corp., 7.5%, 2017		230,000		200,100
KAR Holdings, Inc., 10%, 2015		310,000		257,300
Service Corp. International, 7%, 2017		435,000		403,463
Service Corp. International, 7.625%, 2018		425,000		403,750
Ticketmaster, 10.75%, 2016 (z)		195,000		201,825
Western Union Co., 5.4%, 2011		1,800,000		1,799,246
			$	4,482,956
Containers – 1.1%
Crown Americas LLC, 7.75%, 2015	$	610,000	$	629,825
Graham Packaging Co. LP, 9.875%, 2014		310,000		265,050
Greif, Inc., 6.75%, 2017		915,000		869,250

2

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Containers – continued
Owens-Brockway Glass Container, Inc., 8.25%, 2013	$	1,000,000	$	1,025,000
			$	2,789,125
Defense Electronics – 0.8%
BAE Systems Holdings, Inc., 5.2%, 2015 (n)	$	1,297,000	$	1,251,918
L-3 Communications Corp., 6.125%, 2014		700,000		661,500
			$	1,913,418
Electronics – 0.3%
Avago Technologies Finance, 11.875%, 2015	$	160,000	$	170,400
Flextronics International Ltd., 6.25%, 2014		420,000		388,500
Spansion LLC, 11.25%, 2016 (n)		375,000		232,500
			$	791,400
Emerging Market Quasi-Sovereign – 1.4%
Banco Nacional de Desenvolvimento Economico e Social, 6.369%, 2018 (n)	$	519,000	$	522,892
Codelco, Inc., 4.75%, 2014		529,000		508,878
National Power Corp., 6.888%, 2011		389,000		404,788
OAO Gazprom, 7.343%, 2013 (z)		100,000		101,250
Pemex Project Funding Master Trust, 5.75%, 2018 (n)		1,145,000		1,114,658
Ras Laffan Liquefied Natural Gas Co. Ltd., 5.832%, 2016 (n)		890,000		867,483
			$	3,519,949
Emerging Market Sovereign – 1.3%
Federative Republic of Brazil, 6%, 2017	$	151,000	$	154,246
Gabonese Republic, 8.2%, 2017 (n)		422,000		429,385
Republic of Argentina, FRN, 3.092%, 2012		574,063		464,942
Republic of Colombia, 7.375%, 2017		704,000		770,880
Republic of Indonesia, 6.875%, 2018 (n)		278,000		275,915
Republic of Indonesia, 7.75%, 2038 (n)		311,000		308,279
Republic of Panama, 7.25%, 2015		21,000		22,628
Republic of Philippines, 9.375%, 2017		272,000		327,080
Republic of Uruguay, 8%, 2022		535,000		567,100
			$	3,320,455
Energy - Independent – 2.4%
Chaparral Energy, Inc., 8.875%, 2017	$	320,000	$	276,000
Chesapeake Energy Corp., 6.375%, 2015		400,000		378,000
Forest Oil Corp., 7.25%, 2019		290,000		272,600
Hilcorp Energy I LP, 7.75%, 2015 (n)		430,000		394,525
Hilcorp Energy I LP, 9%, 2016 (n)		310,000		303,800
Mariner Energy, Inc., 8%, 2017		270,000		254,475
Newfield Exploration Co., 6.625%, 2014		400,000		378,000
Nexen, Inc., 6.4%, 2037		1,100,000		1,019,093
OPTI Canada, Inc., 8.25%, 2014		625,000		629,688
Plains Exploration & Production Co., 7%, 2017		830,000		776,050
Quicksilver Resources, Inc., 7.125%, 2016		690,000		595,125
SandRidge Energy, Inc., 8.625%, 2015 (n)(p)		175,000		176,531
SandRidge Energy, Inc., 8%, 2018 (n)		265,000		262,350
Southwestern Energy Co., 7.5%, 2018 (n)		200,000		205,000
			$	5,921,237
Energy - Integrated – 0.1%
Petroleum Co. of Trinidad & Tobago Ltd., 6%, 2022 (n)	$	264,000	$	249,823
Entertainment – 0.5%
AMC Entertainment, Inc., 11%, 2016	$	285,000	$	288,562
Marquee Holdings, Inc., 12%, 2014		225,000		178,312
Time Warner, Inc., 6.5%, 2036		110,000		95,359

3

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Entertainment – continued
Turner Broadcasting System, Inc., 8.375%, 2013	$	653,000	$	700,754
			$	1,262,987
Financial Institutions – 1.5%
American Express Centurion Bank, 5.2%, 2010	$	840,000	$	838,748
General Motors Acceptance Corp., 6.875%, 2011		55,000		36,317
General Motors Acceptance Corp., 8%, 2031		415,000		232,542
ILFC E-Capital Trust I, 5.9% to 2010, FRN to 2065 (n)		1,400,000		1,045,227
ORIX Corp., 5.48%, 2011		1,580,000		1,528,154
			$	3,680,988
Food & Beverages – 1.7%
ARAMARK Corp., 8.5%, 2015	$	430,000	$	428,387
Dean Foods Co., 7%, 2016		455,000		411,775
Del Monte Corp., 6.75%, 2015		360,000		336,600
Kraft Foods, Inc., 6.125%, 2018		720,000		702,026
Michael Foods, Inc., 8%, 2013		495,000		488,812
Miller Brewing Co., 5.5%, 2013 (n)		1,370,000		1,372,210
Tyson Foods, Inc., 6.85%, 2016		660,000		610,645
			$	4,350,455
Food & Drug Stores – 0.1%
CVS Caremark Corp., 5.75%, 2017	$	178,000	$	174,017
Forest & Paper Products – 1.7%
Buckeye Technologies, Inc., 8%, 2010	$	92,000	$	92,230
Buckeye Technologies, Inc., 8.5%, 2013		1,145,000		1,142,137
Georgia-Pacific Corp., 7.125%, 2017 (n)		255,000		235,237
Georgia-Pacific Corp., 8%, 2024		150,000		138,000
Graphic Packaging International Corp., 9.5%, 2013		230,000		213,900
International Paper Co., 7.95%, 2018		390,000		387,814
Millar Western Forest Products Ltd., 7.75%, 2013		530,000		310,050
NewPage Holding Corp., 10%, 2012		160,000		153,200
Smurfit Kappa Group PLC, 7.75%, 2015	EUR	530,000		694,178
Smurfit-Stone Container Corp., 8%, 2017	$	310,000		253,425
Stora Enso Oyj, 6.404%, 2016 (n)		690,000		584,096
			$	4,204,267
Gaming & Lodging – 2.6%
Firekeepers Development Authority, 13.875%, 2015 (z)	$	545,000	$	501,400
Fontainebleau Las Vegas Holdings LLC, 10.25%, 2015 (n)		680,000		360,400
Harrah’s Operating Co., Inc., 5.5%, 2010		265,000		230,550
Harrah’s Operating Co., Inc., 10.75%, 2016 (n)		780,000		588,900
Harrah’s Operating Co., Inc., 10.75%, 2018 (n)(p)		320,000		214,400
Host Marriott LP, 7.125%, 2013		275,000		253,000
Host Marriott LP, 6.75%, 2016		140,000		119,700
MGM Mirage, 8.375%, 2011		960,000		866,400
MGM Mirage, 6.75%, 2013		365,000		304,775
Pinnacle Entertainment, Inc., 7.5%, 2015		605,000		450,725
Scientific Games Corp., 6.25%, 2012		750,000		703,125
Station Casinos, Inc., 6%, 2012		225,000		150,750
Station Casinos, Inc., 6.5%, 2014		620,000		299,150
Station Casinos, Inc., 6.875%, 2016		1,060,000		482,300
Trump Entertainment Resorts Holdings, Inc., 8.5%, 2015		995,000		490,038
Wyndham Worldwide Corp., 6%, 2016		380,000		326,525
Wynn Las Vegas LLC, 6.625%, 2014		85,000		76,925
			$	6,419,063
Industrial – 0.9%
Blount, Inc., 8.875%, 2012	$	650,000	$	658,125

4

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Industrial – continued
JohnsonDiversey, Inc., 9.625%, 2012	EUR  $	140,000	$	209,563
JohnsonDiversey, Inc., “B”, 9.625%, 2012	$	635,000		646,112
Steelcase, Inc., 6.5%, 2011		618,000		628,074
			$	2,141,874
Insurance – 1.5%
Allianz AG, 5.5%, 2049	EUR	947,000	$	1,334,567
American International Group, Inc., 6.25%, 2037	$	930,000		705,991
Hartford Financial Services Group, Inc., 8.125%, 2068		150,000		144,045
ING Groep N.V., 5.775% to 2015, FRN to 2049		2,010,000		1,668,809
			$	3,853,412
Insurance - Property & Casualty – 1.0%
AXIS Capital Holdings Ltd., 5.75%, 2014	$	1,555,000	$	1,413,871
USI Holdings Corp., 9.75%, 2015 (n)		320,000		258,400
ZFS Finance USA Trust V, 6.5% to 2017, FRN to 2037 (n)		1,080,000		925,498
			$	2,597,769
International Market Quasi-Sovereign – 0.2%
Canada Housing Trust, 4.6%, 2011	CAD	500,000	$	504,001
International Market Sovereign – 21.3%
Dutch Government, 3.75%, 2009	EUR	3,149,000	$	4,875,300
Dutch Government, 3.75%, 2014	EUR	288,000		434,366
Federal Republic of Germany, 5.25%, 2010	EUR	2,503,000		3,969,385
Federal Republic of Germany, 3.75%, 2015	EUR	1,044,000		1,579,103
Federal Republic of Germany, 6.25%, 2030	EUR	1,262,000		2,357,373
Government of Australia, 6.25%, 2015	AUD	271,000		255,777
Government of Canada, 4.5%, 2015	CAD	845,000		877,350
Government of Canada, 5.75%, 2033	CAD	218,000		266,033
Government of Japan, 1.5%, 2012	JPY	306,000,000		2,887,268
Government of Japan, 1.3%, 2014	JPY	514,000,000		4,788,723
Government of Japan, 1.7%, 2017	JPY	381,000,000		3,611,607
Government of Japan, 2.2%, 2027	JPY	224,000,000		2,083,540
Government of Japan, 2.4%, 2037	JPY	125,000,000		1,153,787
Kingdom of Denmark, 4%, 2015	DKK	1,837,000		368,821
Kingdom of Spain, 5.35%, 2011	EUR	2,701,000		4,320,402
Kingdom of Sweden, 4.5%, 2015	SEK	2,715,000		454,830
Republic of Austria, 4.65%, 2018	EUR	2,068,000		3,255,646
Republic of France, 4.75%, 2012	EUR	439,000		693,841
Republic of France, 5%, 2016	EUR	1,142,000		1,841,117
Republic of France, 6%, 2025	EUR	554,000		987,947
Republic of France, 4.75%, 2035	EUR	2,101,000		3,264,158
Republic of Ireland, 4.6%, 2016	EUR	2,339,000		3,655,583
United Kingdom Treasury, 8%, 2015	GBP	1,140,000		2,693,189
United Kingdom Treasury, 8%, 2021	GBP	368,000		939,215
United Kingdom Treasury, 4.25%, 2036	GBP	775,000		1,460,184
			$	53,074,545
Machinery & Tools – 0.7%
Atlas Copco AB, 5.6%, 2017 (n)	$	1,470,000	$	1,427,086
Case New Holland, Inc., 7.125%, 2014		370,000		357,975
			$	1,785,061
Major Banks – 2.3%
BAC Capital Trust XIV, 5.63% to 2012, FRN to 2049	$	1,840,000	$	1,302,499
BNP Paribas, 5.186% to 2015, FRN to 2049 (n)		226,000		194,036
BNP Paribas, 7.195% to 2037, FRN to 2049 (n)		600,000		515,790
Natixis S.A., 10% to 2018, FRN to 2049 (n)		820,000		784,519
Royal Bank of Scotland Group PLC, 9.118%, 2049		857,000		859,115

5

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Major Banks – continued
UniCredito Italiano Capital Trust II, 9.2% to 2010, FRN to 2049 (n)	$	1,187,000	$	1,201,716
Wachovia Capital Trust III, 5.8% to 2011, FRN to 2042		1,350,000		762,750
			$	5,620,425
Medical & Health Technology & Services – 3.6%
Biomet, Inc., 10%, 2017	$	310,000	$	333,250
Biomet, Inc., 11.625%, 2017		615,000		649,594
Cardinal Health, Inc., 6.3%, 2016		840,000		819,628
Community Health Systems, Inc., 8.875%, 2015		860,000		866,450
Cooper Cos., Inc., 7.125%, 2015		410,000		393,600
DaVita, Inc., 7.25%, 2015		1,115,000		1,096,881
HCA, Inc., 6.375%, 2015		1,075,000		881,500
HCA, Inc., 9.25%, 2016		660,000		679,800
Hospira, Inc., 5.55%, 2012		450,000		445,224
Hospira, Inc., 6.05%, 2017		410,000		395,793
McKesson Corp., 5.7%, 2017		370,000		357,821
Owens & Minor, Inc., 6.35%, 2016		710,000		680,920
Psychiatric Solutions, Inc., 7.75%, 2015		375,000		366,563
U.S. Oncology, Inc., 10.75%, 2014		495,000		486,338
Universal Hospital Services, Inc., 8.5%, 2015 (p)		305,000		305,000
Universal Hospital Services, Inc., FRN, 6.303%, 2015		90,000		83,700
VWR Funding, Inc., 10.25%, 2015 (p)		265,000		243,138
			$	9,085,200
Metals & Mining – 1.6%
Arch Western Finance LLC, 6.75%, 2013	$	345,000	$	344,137
FMG Finance Ltd., 10.625%, 2016 (n)		720,000		835,200
Freeport-McMoRan Copper & Gold, Inc., 8.375%, 2017		1,160,000		1,215,100
Freeport-McMoRan Copper & Gold, Inc., FRN, 5.883%, 2015		480,000		482,314
Peabody Energy Corp., 7.375%, 2016		155,000		158,100
Peabody Energy Corp., “B”, 6.875%, 2013		665,000		671,650
PNA Group, Inc., 10.75%, 2016		325,000		385,938
			$	4,092,439
Mortgage Backed – 4.8%
Fannie Mae, 5.5%, 2019- 2035	$	8,658,826	$	8,572,080
Fannie Mae, 6.5%, 2031		253,796		264,774
Fannie Mae, 6%, 2034 (f)		3,110,176		3,141,181
			$	11,978,035
Natural Gas - Distribution – 0.3%
AmeriGas Partners LP, 7.125%, 2016	$	385,000	$	349,387
Inergy LP, 6.875%, 2014		335,000		301,500
			$	650,887
Natural Gas - Pipeline – 3.0%
Atlas Pipeline Partners LP, 8.125%, 2015	$	300,000	$	293,250
Atlas Pipeline Partners LP, 8.75%, 2018 (n)		270,000		265,275
CenterPoint Energy, Inc., 7.875%, 2013		1,826,000		1,953,674
Deutsche Bank (El Paso Performance-Linked Trust, CLN), 7.75%, 2011 (n)		695,000		703,289
El Paso Corp., 7.25%, 2018		280,000		277,200
Intergas Finance B.V., 6.875%, 2011		228,000		222,300
Kinder Morgan Energy Partners LP, 6%, 2017		830,000		819,700
Kinder Morgan Finance Corp., 5.35%, 2011		1,516,000		1,485,680
Spectra Energy Capital LLC, 8%, 2019		679,000		705,804
TransCapitalInvest Ltd., 7.7%, 2013		218,000		218,000
TransCapitalInvest Ltd., 5.67%, 2014		126,000		116,568
Williams Partners LP, 7.25%, 2017		405,000		403,988
			$	7,464,728

6

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Network & Telecom – 2.5%
Cincinnati Bell, Inc., 8.375%, 2014	$	485,000	$	461,962
Citizens Communications Co., 9.25%, 2011		863,000		897,520
Citizens Communications Co., 9%, 2031		630,000		557,550
Deutsche Telekom International Finance B.V., 8.5%, 2010		543,000		573,325
Nordic Telephone Co. Holdings, 8.875%, 2016 (n)		465,000		448,725
Qwest Capital Funding, Inc., 7.25%, 2011		710,000		676,275
Qwest Corp., 8.875%, 2012		290,000		289,275
Qwest Corp., 7.5%, 2014		560,000		513,800
Telecom Italia Capital, 4.875%, 2010		248,000		246,161
Telefonica Europe B.V., 7.75%, 2010		1,090,000		1,147,256
Windstream Corp., 8.625%, 2016		435,000		440,438
			$	6,252,287
Oil Services – 0.7%
Basic Energy Services, Inc., 7.125%, 2016	$	595,000	$	556,325
KazMunaiGaz Finance B.V., 8.375%, 2013 (z)		451,000		459,456
KazMunaiGaz Finance B.V., 9.125%, 2018 (z)		352,000		358,160
Weatherford International Ltd., 6.35%, 2017		340,000		343,866
			$	1,717,807
Oils – 0.5%
Premcor Refining Group, Inc., 7.5%, 2015	$	1,290,000	$	1,332,063
Other Banks & Diversified Financials – 1.8%
Alfa Diversified Payment Rights Finance Co. S.A., FRN, 4.676%, 2011 (n)	$	476,000	$	452,200
Banco Mercantil del Norte S.A., 5.875% to 2009, FRN to 2014 (n)		588,000		586,530
Bosphorus Financial Services Ltd., FRN, 4.476%, 2012 (z)		750,000		724,042
Resona Bank Ltd., 5.85% to 2016, FRN to 2049 (n)		246,000		201,478
RSHB Capital S.A., 7.125%, 2014 (z)		100,000		98,590
Swedbank AB, 9% to 2010, FRN to 2049 (n)		800,000		811,470
UBS Preferred Funding Trust V, 6.243% to 2016, FRN to 2049		1,120,000		954,828
UFJ Finance Aruba AEC, 6.75%, 2013		648,000		672,150
			$	4,501,288
Pharmaceuticals – 0.1%
Teva Pharmaceutical Finance LLC, 5.55%, 2016	$	359,000	$	344,749
Precious Metals & Minerals – 0.2%
Alrosa Finance S.A., 8.875%, 2014	$	488,000	$	502,972
Printing & Publishing – 1.2%
American Media Operations, Inc., 10.25%, 2009 (z)	$	16,107	$	12,644
American Media Operations, Inc., “B”, 10.25%, 2009		443,000		347,755
Dex Media West LLC, 9.875%, 2013		1,409,000		1,106,065
Idearc, Inc., 8%, 2016		703,000		319,865
Nielsen Finance LLC, 10%, 2014		430,000		433,225
Nielsen Finance LLC, 0% to 2011, 12.5% to 2016		780,000		532,350
Quebecor World, Inc., 6.125%, 2013 (d)		210,000		73,500
R.H. Donnelley Corp., 8.875%, 2016		285,000		137,513
			$	2,962,917
Railroad & Shipping – 0.1%
Panama Canal Railway Co., 7%, 2026 (z)	$	337,000	$	296,560
Real Estate – 0.9%
ERP Operating LP, REIT, 5.75%, 2017	$	630,000	$	566,950
Simon Property Group, Inc., REIT, 6.1%, 2016		1,790,000		1,725,952
			$	2,292,902
Retailers – 0.8%
Couche-Tard, Inc., 7.5%, 2013	$	490,000	$	456,925

7

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Bonds – continued
Retailers – continued
Limited Brands, Inc., 5.25%, 2014	$	671,000	$	566,098
Macy’s Retail Holdings, Inc., 7.875%, 2015		860,000		854,949
			$	1,877,972
Specialty Stores – 0.1%
Payless ShoeSource, Inc., 8.25%, 2013	$	310,000	$	279,000
Steel – 0.1%
Steel Capital S.A., 9.75%, 2013 (z)	$	277,000	$	277,139
Supermarkets – 0.5%
Safeway, Inc., 4.95%, 2010	$	470,000	$	469,376
Safeway, Inc., 6.5%, 2011		650,000		672,515
			$	1,141,891
Telecommunications - Wireless – 1.7%
Alltel Corp., 7%, 2012	$	462,000	$	473,550
MetroPCS Wireless, Inc., 9.25%, 2014		490,000		475,300
Nextel Communications, Inc., 5.95%, 2014		1,545,000		1,174,200
Rogers Cable, Inc., 5.5%, 2014		659,000		635,830
Vodafone Group PLC, 5.375%, 2015		1,080,000		1,039,619
Wind Acquisition Finance S.A., 10.75%, 2015 (n)		442,000		457,470
			$	4,255,969
Tobacco – 0.4%
Reynolds American, Inc., 6.75%, 2017	$	1,040,000	$	1,020,913
Transportation – 0.3%
IIRSA Norte Finance Ltd., 8.75%, 2024	$	561,482	$	624,648
Peru Enhanced Pass-Through Trust, 0%, 2018 (n)		246,100		163,041
			$	787,689
Transportation - Services – 0.1%
Hertz Corp., 8.875%, 2014	$	300,000	$	275,250
Utilities - Electric Power – 4.4%
Beaver Valley Funding Corp., 9%, 2017	$	1,545,000	$	1,661,246
Dynegy Holdings, Inc., 7.5%, 2015		240,000		227,400
Edison Mission Energy, 7%, 2017		1,470,000		1,389,150
Enersis S.A., 7.375%, 2014		648,000		689,357
FirstEnergy Corp., 6.45%, 2011		857,000		875,287
HQI Transelec Chile S.A., 7.875%, 2011		1,200,000		1,286,987
Israel Electric Corp. Ltd., 7.25%, 2019 (z)		344,000		340,736
Mirant Americas Generation LLC, 8.3%, 2011		100,000		102,000
Mirant North America LLC, 7.375%, 2013		585,000		585,000
NRG Energy, Inc., 7.375%, 2016		1,660,000		1,610,200
Reliant Energy, Inc., 7.875%, 2017		350,000		337,750
Sierra Pacific Resources, 8.625%, 2014		58,000		60,755
Texas Competitive Electric Holdings LLC, 10.25%, 2015 (n)		1,215,000		1,215,000
Waterford 3 Funding Corp., 8.09%, 2017		518,001		506,429
			$	10,887,297
Total Bonds			$	226,325,535
Floating Rate Loans – 2.2% (g)(r)
Aerospace – 0.2%
Hawker Beechcraft Acquisition Co., Letter of Credit, 4.8%, 2014	$	26,430	$	24,572
Hawker Beechcraft Acquisition Co., Term Loan B, 4.8%, 2014		601,629		559,327
			$	583,899
Automotive – 0.5%
Allison Transmission, Inc., Term Loan B, 5.32%, 2014	$	339,620	$	303,620
Federal Mogul Corp., Term Loan B, 4.4%, 2014		355,660		277,415

8

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

Issuer	Shares/Par		Value ($)
Floating Rate Loans (g)(r) – continued
Automotive – continued
Ford Motor Co., Term Loan B, 5.46%, 2013	$	185,815	$	145,749
Goodyear Tire & Rubber Co., Second Lien Term Loan, 4.54%, 2014		573,442		526,133
			$	1,252,917
Broadcasting – 0.1%
Young Broadcasting, Inc., Term Loan, 5.31%, 2012	$	251,057	$	215,909
Young Broadcasting, Inc., Term Loan B-1, 5.31%, 2012		133,763		115,036
			$	330,945
Cable TV – 0.1%
CSC Holdings, Inc., Term Loan B, 4.21%, 2013	$	369,925	$	350,119
Computer Software – 0.2%
First Data Corp., Term Loan B-1, 5.24%, 2014	$	467,682	$	429,877
Forest & Paper Products – 0.1%
Abitibi-Consolidated, Inc., Term Loan, 11.5%, 2009	$	130,082	$	129,432
Gaming & Lodging – 0.1%
Green Valley Ranch Gaming LLC, Second Lien Term Loan, 5.89%, 2014	$	310,737	$	180,228
Medical & Health Technology & Services – 0.1%
Community Health Systems, Inc., Delayed Draw Term Loan B, 0%, 2014 (q)	$	3,876	$	3,667
Community Health Systems, Inc., Term Loan, 4.85%, 2014		75,780		71,696
HCA, Inc., Term Loan B, 5.05%, 2013		175,724		165,107
			$	240,470
Printing & Publishing – 0.1%
Idearc, Inc., Term Loan B, 4.79%, 2014	$	45,190	$	33,478
Tribune Co., Term Loan B, 2014 (o)		542,966		368,880
			$	402,358
Retailers – 0.1%
Burlington Coat Factory, Term Loan B, 2013 (o)	$	158,338	$	125,747
Specialty Stores – 0.2%
Michaels Stores, Inc., Term Loan B, 4.75%, 2013	$	514,918	$	413,436
Telecommunications - Wireless – 0.1%
Alltel Corp., Term Loan B-2, 2015 (o)	$	239,998	$	236,953
Utilities - Electric Power – 0.3%
Calpine Corp., Term Loan, 5.69%, 2014	$	395,047	$	370,568
TXU Corp. Term Loan B-3, 6.26%, 2014		513,973		481,127
			$	851,695
Total Floating Rate Loans			$	5,528,076
Money Market Funds (v) – 6.3%
MFS Institutional Money Market Portfolio, 2.56%, at Net Asset Value		15,626,669	$	15,626,669
Rights – 0.0%
Emerging Market Sovereign – 0.0%
Banco Central del Uruguay, Value Recovery Rights, Expiring January 2021 (a)		1,250,000	$	0
Total Investments (k)			$	247,480,280
Other Assets, Less Liabilities – 0.8%				2,118,422
Net Assets – 100.0%			$	249,598,702

(a) Non-income producing security.

(d) Non-income producing security - in default.

(f) All or a portion of the security has been segregated as collateral for open futures contracts.

(g) The rate shown represents a weighted average coupon rate on settled positions at period end, unless otherwise indicated.

(i) Interest only security for which the fund receives interest on notional principal (Par amount). Par amount shown is the notional principal and does not reflect the cost of the security.

9

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

(k) As of July 31, 2008, the fund held securities fair valued in accordance with the policies adopted by the Board of Trustees, aggregating $226,325,535 and 91.45% of market value. All of these security values were provided by an independent pricing service using an evaluated bid.

(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 $29,412,509, representing 11.8% 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.

(q) All or a portion of this position represents an unfunded loan commitment. The rate shown represents a weighted average coupon rate on the full position, including the unfunded loan commitment which has no current coupon rate.

(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) Underlying 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	Cost		Current Market Value
American Media Operations, Inc., 10.25%, 2009	1/18/08	$	15,596	$	12,644
Anthracite Ltd., CDO, 6%, 2037	5/14/02		997,192		600,000
Bayview Financial Revolving Mortgage Loan Trust, FRN, 3.26%, 2040	3/01/06		674,286		483,843
Bosphorus Financial Services Ltd., FRN, 4.476%, 2012	3/08/05		750,000		724,042
Braskem S.A., 7.25%, 2018	5/29/08		125,903		126,365
Brazilian Merchant Voucher Receivables Ltd., 5.911%, 2011	3/08/07		878,736		866,913
Chase Commercial Mortgage Securities Corp., 6.6%, 2029	6/07/00		1,315,964		1,410,839
DLJ Commercial Mortgage Corp., 6.04%, 2031	7/23/04		542,323		534,138
Falcon Franchise Loan LLC, 6.5%, 2014	7/15/05		640,683		424,594
Falcon Franchise Loan LLC, FRN, 3.421%, 2025	1/29/03		448,160		373,314
Firekeepers Development Authority, 13.875%, 2015	4/22/08		526,769		501,400
GMAC Commercial Mortgage Securities, Inc., FRN, 6.02%, 2033	11/17/00		1,621,938		1,616,018
Israel Electric Corp. Ltd., 7.25%, 2019	5/01/08		343,427		340,736
KazMunaiGaz Finance B.V., 8.375%, 2013	6/24/08		448,770		459,456
KazMunaiGaz Finance B.V., 9.125%, 2018	6/24/08		349,184		358,160
OAO Gazprom, 7.343%, 2013	4/02/08		100,000		101,250
Panama Canal Railway Co., 7%, 2026	10/29/07		337,000		296,560
Prudential Securities Secured Financing Corp., FRN, 7.286%, 2013	12/06/04		931,434		681,092
RSHB Capital S.A., 7.125%, 2014	5/21/08		100,000		98,590
Salomon Brothers Mortgage Securities, Inc., FRN, 6.979%, 2032	1/07/05		1,970,845		1,902,106
Steel Capital S.A., 9.75%, 2013	7/21/08		277,000		277,139
Ticketmaster, 10.75%, 2016	7/16/08 - 7/17/08		197,061		201,825
Total Restricted Securities				$	12,391,024
% of Net Assets					5.0	%

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

CDO	Collateralized Debt Obligation
CLN	Credit-Linked Note
CLO	Collateralized Loan Obligation
FRN	Floating Rate Note. Interest rate resets periodically and may not be the rate reported at period end.
REIT	Real Estate Investment Trust

Abbreviations indicate amounts shown in currencies other than the U.S. dollar. All amounts are stated in U.S. dollars unless otherwise indicated. A list of abbreviations is shown below:

AUD	Australian Dollar
CAD	Canadian Dollar
CLP	Chilean Peso
CNY	Chinese Yuan Renminbi

10

MFS Strategic Income Fund

PORTFOLIO OF INVESTMENTS (Unaudited) 7/31/08 - continued

DKK	Danish Krone
EUR	Euro
GBP	British Pound
JPY	Japanese Yen
MXN	Mexican Peso
SEK	Swedish Krona

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

11

MFS Strategic Income Fund

Supplemental Information (Unaudited) 7/31/08

(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	$	259,070,122
Gross unrealized appreciation	$	4,106,778
Gross unrealized depreciation		(15,696,620	)
Net unrealized appreciation (depreciation)	$	(11,589,842	)

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

(2) Derivative Contracts at 7/31/08

Forward Foreign Currency Exchange Contracts at 7/31/08

Type	Currency	Contracts to Deliver/Receive	Settlement Date Range	In Exchange For		Contracts at Value		Net Unrealized Appreciation (Depreciation)
Appreciation
SELL	AUD	274,564	8/11/08	$	264,528	$	258,437	$	6,091
SELL	CAD	1,704,823	8/25/08		1,673,282		1,665,387		7,895
BUY	CLP	263,487,826	8/07/08-8/18/08		514,813		522,073		7,260
SELL	CLP	263,487,826	8/07/08-8/18/08		531,771		522,073		9,698
BUY	CNY	5,322,625	8/21/08		770,000		780,100		10,100
SELL	CNY	5,322,625	8/21/08		783,834		780,099		3,735
BUY	EUR	1,271,137	8/25/08		1,973,650		1,979,796		6,146
SELL	EUR	434,679	8/25/08		684,130		677,013		7,117
SELL	JPY	385,144,494	8/26/08		3,586,844		3,574,387		12,457
BUY	MXN	3,111,529	8/11/08		299,335		309,829		10,494
SELL	SEK	2,805,851	9/30/08		465,315		462,254		3,061
								$	84,054
Depreciation
SELL	DKK	4,496,681	8/12/08	$	930,008	$	939,311	$	(9,303	)
BUY	DKK	2,574,587	8/12/08		547,534		537,805		(9,729	)
SELL	EUR	11,973,357	8/25/08		18,594,263		18,648,504		(54,241	)
SELL	GBP	2,696,596	8/26/08		5,283,035		5,337,776		(54,741	)
								$	(128,014	)

Futures contracts outstanding at 7/31/08

Description	Contracts	Value		Expiration Date	Unrealized Appreciation (Depreciation)
U.S. Treasury Note 5yr (Long)	59	$	6,568,820	Sep-08	$	71,239

12

MFS Strategic Income Fund

Supplemental Information (Unaudited) 7/31/08 - Continued

Swap Agreements at 7/31/08

Expiration		Notional Amount	Counterparty	Cash Flows to Receive	Cash Flows to Pay	Value
Credit Default Swaps
6/20/09	USD	300,000	JPMorgan Chase Bank	4.10% (fixed rate)	(1)	$	(45,018	)
6/20/09	USD	100,000	JPMorgan Chase Bank	4.80% (fixed rate)	(1)		(13,859	)
9/20/10	USD	1,130,000	Merrill Lynch International	(2)	0.68% (fixed rate)		148,203
9/20/12	USD	1,180,000	JPMorgan Chase Bank	0.36% (fixed rate)	(3)		685
3/20/13	USD	1,790,000	Goldman Sachs International	(4)	2.129% (fixed rate)		(72,477	)
6/20/13	USD	6,800,000	Morgan Stanley Capital Services, Inc. (a)	(5)	5.00% (fixed rate)		395,139
9/20/13	USD	390,000	Goldman Sachs International	(6)	0.645% (fixed rate)		(893	)
9/20/13	USD	240,000	Goldman Sachs International	(6)	0.645% (fixed rate)		(545	)
9/20/13	USD	300,000	JPMorgan Chase Bank	5.30% (fixed rate)	(7)		6,448
9/20/13	USD	630,000	Merrill Lynch International	(8)	0.77% (fixed rate)		4,041
						$	421,724

(1) Fund to pay notional amount upon a defined credit event by Abitibi-Consolidated, Inc., 8.375%, 4/01/15.

(2) Fund to receive notional amount upon a defined credit event by Lennar Corp., 5.95%, 3/01/13.

(3) Fund to pay notional amount upon a defined credit event by Fannie Mae, 5.5%, 6/09/33.

(4) Fund to receive notional amount upon a defined credit event by Simon Property Group, Inc., 6.35%, 8/28/12.

(5) Fund to receive notional amount upon a defined credit event by CDX.NA.HY.10 Index, 5.0%, 6/20/13.

(6) Fund to receive notional amount upon a defined credit event by CIGNA Corp., 7.875%, 5/15/27.

(7) Fund to pay notional amount upon a defined credit event by ARAMARK Corp., 8.50%, 2/01/15.

(8) Fund to receive notional amount upon a defined credit event by AutoZone, Inc., 5.875%, 10/15/12.

(a) Net unamortized premiums paid by the fund amounted to $446,250.

At July 31, 2008, the fund had sufficient cash and/or other liquid securities to cover any commitments under these derivative contracts.

(3) Transactions in Underlying Funds-Affiliated 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 transactions in securities which the fund assumes to be affiliated issuers during the nine months ended July 31, 2008, is set forth below:

Underlying Funds	Beginning Shares/Par Amount	Acquisitions Shares/Par Amount	Dispositions Shares/Par Amount	Ending Shares/Par Amount
MFS Institutional Money Market
Portfolio	—	78,135,023	62,508,354	15,626,669

Underlying Funds	Realized Gain (Loss)		Capital Gain Distributions		Dividend Income		Ending Value
MFS Institutional Money Market
Portfolio	$	—	$	—	$	357,306	$	15,626,669

13

MFS Strategic Income Fund

Supplemental Information (Unaudited) 7/31/08 - Continued

(4) Country Weightings

Country weighting percentages of portfolio holdings based on total net assets as of July 31, 2008, are as follows:

United States	62.0	%
Japan	6.8	%
Germany	4.0	%
France	3.4	%
United Kingdom	3.2	%
Netherlands	3.2	%
Spain	2.3	%
Canada	2.0	%
Ireland	1.8	%
Other Countries	11.3	%

The country weighting percentages include both accrued interest amounts and the equivalent exposure from any derivative holdings, if applicable.

14

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 VIII

By (Signature and Title)*	ROBERT J. MANNING
	Robert J. Manning, President

Date: September 12, 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)*	ROBERT J. MANNING
	Robert J. Manning, President (Principal Executive Officer)

Date: September 12, 2008

By (Signature and Title)*	MARIA F. DWYER
	Maria F. Dwyer, Treasurer (Principal Financial Officer and Accounting Officer)

Date: September 12, 2008

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