Shopify now makes up 11% of Ark's total holdings.Cathie Wood developed a reputation as a prescient stock picker as her flagship fund, the Ark Innovation ETF (ARKK 0.31%) more than doubled in 2020, along with several other of her actively traded exchange-traded funds (ETFs).Wood also famously made an outlandish call in 2018 for Tesla to hit a split-adjusted price of $3,000, which it did when it soared in 2020 as it turned profitable.More recently, her returns have been more underwhelming, but growth stock in ...