Cathie Wood's position in AeroVironment is currently worth $70.5M. That's 0.52% of their equity portfolio (40th largest holding). The first AeroVironment trade was made in Q4 2016. Since then Cathie Wood bought shares sixteen more times and sold shares on sixteen occasions. The stake costed the investor $25.1M, netting the investor a gain of 181% so far.
https://www.investing.com/news/stock-market-news/cathie-woods-ark-etf-adjusts-holdings-adds-moderna-and-aerovironment-stock-93CH-3354195