If you are looking for the best ideas for your portfolio you may want to consider some of RiverPark Advisors top stock picks. RiverPark Advisors, an investment management firm, is bullish on Palo Alto Networks Inc (NYSE: PANW ) stock. In its Q2 2019 investor letter – you can download a copy here – the firm discussed its investment thesis on Palo Alto Networks Inc (NYSE: PANW ) stock. Palo Alto Networks Inc (NYSE: PANW ) is a cybersecurity company. In July 2019, RiverPark Advisors had released its Q2 2019 investor letter. The investment firm said that Palo Alto Networks Inc (NYSE: PANW ) stock was one of the top detractors to the Large Growth fund's performance in Q2 2019. Palo Alto Networks Inc (NYSE: PANW ) stock has posted a return of 17.2% in the trailing one year period, outperforming the S&P 500 Index which returned 10.7% in the same period.