Crypto Cathie Wood’s Ark Invest Grew Its Portfolio to $15.4 Billion Last Quarter, With Tesla, AMD, and a New SpaceX Stake Making Up About 18% of ARKK Assets. Is Her Concentrated Bet Paying Off?By October 21, 20260 Cathie Wood’s Investment Strategy: A Look at Ark Invest’s Focused Holdings Cathie Wood, the CEO of Ark Invest, has established…