<SEC-DOCUMENT>0001193125-24-054665-index.html : 20240301
<SEC-HEADER>0001193125-24-054665.hdr.sgml : 20240301
<ACCEPTANCE-DATETIME>20240301090702
ACCESSION NUMBER:		0001193125-24-054665
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		15
FILED AS OF DATE:		20240301
DATE AS OF CHANGE:		20240301
EFFECTIVENESS DATE:		20240301

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIDELITY SUMMER STREET TRUST
		CENTRAL INDEX KEY:			0000225322
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0430

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-58542
		FILM NUMBER:		24707199

	BUSINESS ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
		BUSINESS PHONE:		617-563-7000

	MAIL ADDRESS:	
		STREET 1:		245 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY HIGH INCOME FUND
		DATE OF NAME CHANGE:	19890309

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY AGGRESSIVE INCOME FUND
		DATE OF NAME CHANGE:	19810205
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000007495
<SERIES-NAME>Fidelity Capital & Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000020469
<CLASS-CONTRACT-NAME>Fidelity Capital & Income Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FAGIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000017689
<SERIES-NAME>Fidelity Focused High Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048885
<CLASS-CONTRACT-NAME>Fidelity Focused High Income Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FHIFX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000017690
<SERIES-NAME>Fidelity High Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000048886
<CLASS-CONTRACT-NAME>Fidelity High Income Fund
<CLASS-CONTRACT-TICKER-SYMBOL>SPHIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206223
<CLASS-CONTRACT-NAME>Fidelity Advisor High Income Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FGRMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206224
<CLASS-CONTRACT-NAME>Fidelity Advisor High Income Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FGSMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206225
<CLASS-CONTRACT-NAME>Fidelity Advisor High Income Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FGTMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206226
<CLASS-CONTRACT-NAME>Fidelity Advisor High Income Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FGUMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000206227
<CLASS-CONTRACT-NAME>Fidelity Advisor High Income Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FGQMX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000032505
<SERIES-NAME>Fidelity Global High Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000100277
<CLASS-CONTRACT-NAME>Fidelity Global High Income Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FGHNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000100278
<CLASS-CONTRACT-NAME>Fidelity Advisor Global High Income Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FGHAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000100279
<CLASS-CONTRACT-NAME>Fidelity Advisor Global High Income Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FGHCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000100280
<CLASS-CONTRACT-NAME>Fidelity Advisor Global High Income Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FGHTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000100281
<CLASS-CONTRACT-NAME>Fidelity Advisor Global High Income Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FGHIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000042758
<SERIES-NAME>Fidelity Short Duration High Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132244
<CLASS-CONTRACT-NAME>Fidelity Short Duration High Income Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FSAHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132245
<CLASS-CONTRACT-NAME>Fidelity Advisor Short Duration High Income Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FSFHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132246
<CLASS-CONTRACT-NAME>Fidelity Advisor Short Duration High Income Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FSBHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132247
<CLASS-CONTRACT-NAME>Fidelity Advisor Short Duration High Income Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FSEHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000132248
<CLASS-CONTRACT-NAME>Fidelity Advisor Short Duration High Income Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FSDHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000205018
<CLASS-CONTRACT-NAME>Fidelity Advisor Short Duration High Income Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FIJWX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000065255
<SERIES-NAME>Fidelity Women's Leadership Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000211258
<CLASS-CONTRACT-NAME>Fidelity Advisor Women's Leadership Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FWOZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000211259
<CLASS-CONTRACT-NAME>Fidelity Advisor Women's Leadership Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FWMNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000211260
<CLASS-CONTRACT-NAME>Fidelity Women's Leadership Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FWOMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000211261
<CLASS-CONTRACT-NAME>Fidelity Advisor Women's Leadership Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FWOEX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000211262
<CLASS-CONTRACT-NAME>Fidelity Advisor Women's Leadership Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FWOAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000211263
<CLASS-CONTRACT-NAME>Fidelity Advisor Women's Leadership Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FWOCX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000066807
<SERIES-NAME>Fidelity U.S. Low Volatility Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000215144
<CLASS-CONTRACT-NAME>Fidelity U.S. Low Volatility Equity Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FULVX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000067930
<SERIES-NAME>Fidelity Agricultural Productivity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000217772
<CLASS-CONTRACT-NAME>Fidelity Agricultural Productivity Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FARMX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000067937
<SERIES-NAME>Fidelity Water Sustainability Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000217779
<CLASS-CONTRACT-NAME>Fidelity Water Sustainability Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FLOWX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000071838
<SERIES-NAME>Fidelity SAI High Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227362
<CLASS-CONTRACT-NAME>Fidelity SAI High Income Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FSHGX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000072128
<SERIES-NAME>Fidelity Climate Action Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227889
<CLASS-CONTRACT-NAME>Fidelity Advisor Climate Action Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FCAJX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227890
<CLASS-CONTRACT-NAME>Fidelity Advisor Climate Action Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FCAOX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227891
<CLASS-CONTRACT-NAME>Fidelity Advisor Climate Action Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FCALX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227892
<CLASS-CONTRACT-NAME>Fidelity Advisor Climate Action Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FCAUX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227893
<CLASS-CONTRACT-NAME>Fidelity Advisor Climate Action Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FCLZX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227894
<CLASS-CONTRACT-NAME>Fidelity Climate Action Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FCAEX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000072129
<SERIES-NAME>Fidelity Sustainable U.S. Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227895
<CLASS-CONTRACT-NAME>Fidelity Advisor Sustainable U.S. Equity Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FSEKX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227896
<CLASS-CONTRACT-NAME>Fidelity Advisor Sustainable U.S. Equity Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FSEPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227897
<CLASS-CONTRACT-NAME>Fidelity Advisor Sustainable U.S. Equity Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FSEOX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227898
<CLASS-CONTRACT-NAME>Fidelity Advisor Sustainable U.S. Equity Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FSEQX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227899
<CLASS-CONTRACT-NAME>Fidelity Advisor Sustainable U.S. Equity Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FSEWX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000227900
<CLASS-CONTRACT-NAME>Fidelity Sustainable U.S. Equity Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FSEBX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000075897
<SERIES-NAME>Fidelity SAI Sustainable Future Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235238
<CLASS-CONTRACT-NAME>Fidelity SAI Sustainable Future Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FIDHX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000075898
<SERIES-NAME>Fidelity SAI Sustainable Sector Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235239
<CLASS-CONTRACT-NAME>Fidelity SAI Sustainable Sector Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FIDJX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000075899
<SERIES-NAME>Fidelity SAI Sustainable U.S. Equity Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235240
<CLASS-CONTRACT-NAME>Fidelity SAI Sustainable U.S. Equity Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FIDEX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000075973
<SERIES-NAME>Fidelity Healthy Future Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235369
<CLASS-CONTRACT-NAME>Fidelity Advisor Healthy Future Fund: Class Z
<CLASS-CONTRACT-TICKER-SYMBOL>FAPNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235370
<CLASS-CONTRACT-NAME>Fidelity Advisor Healthy Future Fund: Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FAPMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235371
<CLASS-CONTRACT-NAME>Fidelity Healthy Future Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FAPHX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235372
<CLASS-CONTRACT-NAME>Fidelity Advisor Healthy Future Fund: Class M
<CLASS-CONTRACT-TICKER-SYMBOL>FAPLX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235373
<CLASS-CONTRACT-NAME>Fidelity Advisor Healthy Future Fund: Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FAPJX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000235374
<CLASS-CONTRACT-NAME>Fidelity Advisor Healthy Future Fund: Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FAPKX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000225322
<SERIES-ID>S000080314
<SERIES-NAME>Fidelity Series Sustainable U.S. Market Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000242613
<CLASS-CONTRACT-NAME>Fidelity Series Sustainable U.S. Market Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FSUMX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d711895d497.htm
<DESCRIPTION>FIDELITY SUMMER STREET TRUST
<TEXT>
Document 1 - file: d711895d497.htm
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