Ark Invest sold nearly 1 million Nvidia shares between early October and now
Ark's position decreased from 1.3 million shares across all ETFs to 390,000 shares today
Nvidia's stock surged over 160% year-to-date, with Ark missing out on considerable gains
Nvidia's surge followed strong guidance due to demand for their chipsets in AI technology platforms
Ark Invest missed out on over $200 million in potential profits from the sale
Cathie Wood cited high valuation and focus on higher conviction stocks as reasons for the sale