The SV150 index of Silicon Valley's largest technology companies declined 0.6 percent in the first quarter of 2013 as Apple (AAPL) took a bite out of the overall movement. However, other well-known companies helped fuel the gains that sent the Dow Jones industrial average and Standard & Poor's 500 to record highs. Below are the 15 best performers in the SV150 for the first quarter of 2013, in order, with the percentage gain for the quarter.

Meru Networks, 154.7

SunPower (SPWRA), 105.3

Netflix (NFLX), 104.1

Zhone Technologies, 88.2

Unwired Planet, 85.0

Hewlett-Packard (HPQ), 67.3

Mattson Technology, 64.3

Pandora Media, 54.2

LinkedIn, 53.3

Affymetrix, 48.9

Responsys, 48.5

Shutterfly, 47.9

Zynga, 41.8

DSP Group, 40.1

Rovi, 38.8

Source: Bloomberg data