|
SIDLEY AUSTIN LLP 787 SEVENTH AVENUE NEW YORK, NY 10019 +1 212 839 5300 +1 212 839 5599 FAX
AMERICA ASIA PACIFIC EUROPE |
June 7, 2018
VIA EDGAR
Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549
Re: | BlackRock Health Sciences Opportunities Portfolio, a series of BlackRock FundsSM |
(File Nos. 33-26305, Investment Company Act No. 811-05742)
Ladies and Gentlemen:
On behalf of BlackRock FundsSM, attached for filing are exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in the Supplement to the Summary Prospectuses, Prospectuses and Statement of Additional Information of BlackRock Health Sciences Opportunities Portfolio (the Fund), each dated January 26, 2018, as filed pursuant to Rule 497(e) under the Securities Act of 1933 on May 17, 2018 (the 497 Filing). The purpose of this filing is to submit the 497 Filing in XBRL for the Fund.
Any questions or comments on the 497 Filing should be directed to the undersigned at (212) 839-8615.
Very truly yours, |
/s/ Jesse C. Kean |
Jesse C. Kean |
Enclosures
cc: | Benjamin Archibald, Esq. |
BlackRock Advisors, LLC |
Sidley Austin (NY) LLP is a Delaware limited liability partnership doing business as Sidley Austin LLP and practicing in affiliation with other Sidley Austin partnerships.
Label | Element | Value |
---|---|---|
Risk/Return: | rr_RiskReturnAbstract | |
Document Type | dei_DocumentType | 497 |
Document Period End Date | dei_DocumentPeriodEndDate | Sep. 30, 2017 |
Registrant Name | dei_EntityRegistrantName | BLACKROCK FUNDS |
Central Index Key | dei_EntityCentralIndexKey | 0000844779 |
Amendment Flag | dei_AmendmentFlag | false |
Document Creation Date | dei_DocumentCreationDate | May 17, 2018 |
Document Effective Date | dei_DocumentEffectiveDate | May 17, 2018 |
Prospectus Date | rr_ProspectusDate | Jan. 26, 2018 |
Jan. 26, 2018 |
---|
BlackRock Health Sciences Opportunities Portfolio (the "Fund") Supplement dated May 17, 2018 to the Summary Prospectuses, Prospectuses and Statement of Additional Information ("SAI") of the Fund, each dated January 26, 2018, as supplemented to date The Fund currently operates as a diversified fund under the Investment Company Act of 1940, as amended. Accordingly, effective immediately, the following changes are made to the Fund's Summary Prospectuses, Prospectuses and SAI, as applicable: The last paragraph in the section of each Summary Prospectus entitled "Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Investment Strategies of the Fund" and the last paragraph in the sections of each Prospectus entitled "Fund Overview Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Investment Strategies of the Fund" and "Details About the Fund Principal Investment Strategies" are deleted in their entirety. The section of each Summary Prospectus entitled "Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Risks of Investing in the Fund" and the sections of each Prospectus entitled "Fund Overview Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Risks of Investing in the Fund" and "Details About the Fund Investment Risks Principal Risks of Investing in the Fund" are amended to delete "Non-Diversification Risk." |
Label | Element | Value |
---|---|---|
Risk/Return: | rr_RiskReturnAbstract | |
Registrant Name | dei_EntityRegistrantName | BLACKROCK FUNDS |
Prospectus Date | rr_ProspectusDate | Jan. 26, 2018 |
Supplement [Text Block] | bf1_SupplementTextBlock | BlackRock Health Sciences Opportunities Portfolio (the "Fund") Supplement dated May 17, 2018 to the Summary Prospectuses, Prospectuses and Statement of Additional Information ("SAI") of the Fund, each dated January 26, 2018, as supplemented to date The Fund currently operates as a diversified fund under the Investment Company Act of 1940, as amended. Accordingly, effective immediately, the following changes are made to the Fund's Summary Prospectuses, Prospectuses and SAI, as applicable: The last paragraph in the section of each Summary Prospectus entitled "Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Investment Strategies of the Fund" and the last paragraph in the sections of each Prospectus entitled "Fund Overview Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Investment Strategies of the Fund" and "Details About the Fund Principal Investment Strategies" are deleted in their entirety. The section of each Summary Prospectus entitled "Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Risks of Investing in the Fund" and the sections of each Prospectus entitled "Fund Overview Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Risks of Investing in the Fund" and "Details About the Fund Investment Risks Principal Risks of Investing in the Fund" are amended to delete "Non-Diversification Risk." |
BLACKROCK HEALTH SCIENCES OPPORTUNITIES PORTFOLIO | ||
Risk/Return: | rr_RiskReturnAbstract | |
Supplement [Text Block] | bf1_SupplementTextBlock | BlackRock Health Sciences Opportunities Portfolio (the "Fund") Supplement dated May 17, 2018 to the Summary Prospectuses, Prospectuses and Statement of Additional Information ("SAI") of the Fund, each dated January 26, 2018, as supplemented to date The Fund currently operates as a diversified fund under the Investment Company Act of 1940, as amended. Accordingly, effective immediately, the following changes are made to the Fund's Summary Prospectuses, Prospectuses and SAI, as applicable: The last paragraph in the section of each Summary Prospectus entitled "Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Investment Strategies of the Fund" and the last paragraph in the sections of each Prospectus entitled "Fund Overview Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Investment Strategies of the Fund" and "Details About the Fund Principal Investment Strategies" are deleted in their entirety. The section of each Summary Prospectus entitled "Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Risks of Investing in the Fund" and the sections of each Prospectus entitled "Fund Overview Key Facts About BlackRock Health Sciences Opportunities Portfolio Principal Risks of Investing in the Fund" and "Details About the Fund Investment Risks Principal Risks of Investing in the Fund" are amended to delete "Non-Diversification Risk." |
Label | Element | Value |
---|---|---|
Risk/Return: | rr_RiskReturnAbstract | |
Registrant Name | dei_EntityRegistrantName | BLACKROCK FUNDS |
Prospectus Date | rr_ProspectusDate | Jan. 26, 2018 |
Document Creation Date | dei_DocumentCreationDate | May 17, 2018 |
3B_$G%I.^F=N=)WWMZ[FG,%.IW_H-O>Z+=Z
M#BC4RDP3/1?CBS4&BO?38XSG+T+Q&U!+ P04 " MB<=,C;!7.=(! #V
M! & 'AL+W=O =+(RME0JBH(L&@H%9T$T.;P:%GQ)RSMV2IJ!;1/+_-4#&/.R''GJ(+:
M:Q+@)RH._#(?-N"_![E5X?"V):Z]A9>ZJC0U"U?PL+J?/VW7/YFFRB07L.H?
MF>VPYK_?&0IH$%8IEN+[?GQWOMRE9ZV#4O'?)8:Z5.ZV<=5IP)L4RMXV5LX5
MW2"PZ0HELRU=H"(EUT8R1UNS#&QAD&5VA>BD""[;[>M ,JX:_9[E_9[KC]@"
M12]P_5[@#5MC)%"B
J -R)NSYFH?46HYK]6'%=V =]\0JZ-R\
MU_OKV5A1GF/J^!H_#+8GZ\"IT;8@N;2U?JAA#T0=\)VI%EQ>GTMW)T.-Z&>V
M:PN6XFV#AM*B66/CN!,@>8*D+(KM $)&*63P7J*-4W :W IA3FM84K>GI3&$
MB@IH^@WQ%A@]D%$%C.4Y)P>Y!VFAV9R-U1JMVWY"+0NF*ABD#G0.G6]?VLW-
M>=\5F+5(2+7)N%J*J@FX_PA<2LPX1?-F[S/70N@_Q$&Z8FKILS (DF6XR]AG
M^]G2[:1DIH)#G=$V_]D!HVR30;Q-A&K!4[80V(6363T4ZN<
#?RX+>:"9 %JAQ
M@>B3+N1VB\M8N I;??>NIGL]6/C)JS!.3UM&[C38!]HH>05;FNGFCV5('RYE
M9GG$OH(>MCZS>U+WHO*PS 9^-I?(B9(#L#4[#^#,CVY?^ !;OHO=$EQ?:O4)
MMJ#+72FY 5O>9^&CLE(!/Y&+W0FN*]4Z!?QX+JDG)2]@2[AJ8ZT-_&RN.C_=
M823>7F0#/YVK[DUI ^5?V7Z$>.M"?G-[&OW_/FBQU2$,U*1\'^[Z51_!J$X??W5_/T">4
M0SSAOW"*)Q)%]J=?Q=DU8;M5 )8W[0.=.<><7EE?B1O3."=Q3/R;_%",&C(!
MV?%"PKXG,8U8H^"SALA$78G!BU\1NLE#%W,>\E:TS\3'7C!D[?O+CV2MY,$0
M@R\/!J&;/)Q@SL,E.W]\?@Y=!]Y"X:]LP\==$;CA_:$5O