X0101 EFFECT 33 LIVE 2017-05-04 15:00:00

N-14

0000844779 BLACKROCK FUNDS 333-216992 0000844779 BLACKROCK FUNDS S000001507 BLACKROCK ADVANTAGE SMALL CAP GROWTH FUND C000004047 INSTITUTIONAL 0001062806 BLACKROCK SERIES, INC. S000002290 BlackRock Small Cap Growth Fund II C000005979 Institutional 0000844779 BLACKROCK FUNDS S000001507 BLACKROCK ADVANTAGE SMALL CAP GROWTH FUND C000004049 INVESTOR A 0001062806 BLACKROCK SERIES, INC. S000002290 BlackRock Small Cap Growth Fund II C000005976 Investor A 0000844779 BLACKROCK FUNDS S000001507 BLACKROCK ADVANTAGE SMALL CAP GROWTH FUND C000004051 INVESTOR C 0001062806 BLACKROCK SERIES, INC. S000002290 BlackRock Small Cap Growth Fund II C000005978 Investor C 0000844779 BLACKROCK FUNDS S000001507 BLACKROCK ADVANTAGE SMALL CAP GROWTH FUND C000037627 R Shares 0001062806 BLACKROCK SERIES, INC. S000002290 BlackRock Small Cap Growth Fund II C000005980 Class R