X0101 EFFECT 33 LIVE 2009-05-08 13:15:00

N-14

0000277751 JANUS INVESTMENT FUND 333-158033 0000277751 JANUS INVESTMENT FUND S000010485 Janus Triton Fund C000077722 Class A 0001110822 JANUS ADVISER SERIES S000010567 Janus Adviser Small-Mid Growth Fund C000029171 Class A 0000277751 JANUS INVESTMENT FUND S000010485 Janus Triton Fund C000077723 Class C 0001110822 JANUS ADVISER SERIES S000010567 Janus Adviser Small-Mid Growth Fund C000029172 Class C 0000277751 JANUS INVESTMENT FUND S000010485 Janus Triton Fund C000077724 Class I 0001110822 JANUS ADVISER SERIES S000010567 Janus Adviser Small-Mid Growth Fund C000029173 Class I 0000277751 JANUS INVESTMENT FUND S000010485 Janus Triton Fund C000077725 Class R 0001110822 JANUS ADVISER SERIES S000010567 Janus Adviser Small-Mid Growth Fund C000029174 Class R 0000277751 JANUS INVESTMENT FUND S000010485 Janus Triton Fund C000077726 Class S 0001110822 JANUS ADVISER SERIES S000010567 Janus Adviser Small-Mid Growth Fund C000029175 Class S