LEDS [SemiLEDs] SC 13G/A: 1 NAME OF REPORTING PERSONS IRS IDENTIFICATION NOS.
[1 NAME OF REPORTING PERSONS IRS IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) RS Investment Management Co. LLC ---------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a)/ / (b)/ / ---------------------------------------------------------------- 3 SEC USE ONLY ---------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware ---------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES -0- BENEFICIALLY ---------------------------------------]