SIMPSON THACHER & BARTLETT
425 Lexington Avenue
New York, NY 10017
December 22, 1998
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC 20549
Attention: Filing Desk
Re: BlackRock FundsSM (Registration
Statement File No. 33-26305)
Ladies and Gentlemen:
On behalf of BlackRock FundsSM (the "Company"), and pursuant to Rule
497(j) of the Securities Act of 1933, as amended, we hereby certify that the
definitive forms of prospectuses and statement of additional information for
Investor A, Investor B, Investor C, Service, Institutional and BlackRock
Shares of the Company's High Yield Bond Portfolio, each dated October 21,
1998, that would have been filed on behalf of the Company in accordance with
Rule 497(c) do not differ from those contained in Post-Effective Amendment
No. 38 to the Company's Registration Statement on Form N-1A, the text of
which was filed electronically with the Securities and Exchange Commission on
October 20, 1998.
Any questions or communications should be directed to Robert M. Kaner of
this firm at 212-455-3275.
Very truly yours,
/s/ Simpson Thacher & Bartlett
SIMPSON THACHER & BARTLETT
cc: Brian P. Kindelan, Esq.
Matt Mosca
