Ark Invest made major portfolio changes last week, led by the purchase of more than 705,000 Rocket Lab shares valued at approximately $45 million. The firm also bought 456,000 Block shares worth roughly $37 million and reversed earlier selling of Robinhood Markets by acquiring 28,589 shares valued at about $3.5 million. Other additions included 274,000 Intellia Therapeutics shares, smaller stakes in Veracyte, Guardant Health and Scribe Therapeutics, 35,000 Circle Internet Group shares, and increased exposure to the 3iQ Solana Staking ETF. Ark reduced its positions in Palantir, Tempus AI, Shopify, Twist Bioscience, Advanced Micro Devices, Deere and Roblox. Robinhood shares gained more than 30% over the past month as Bitcoin rose 23% toward $80,000, while Robinhood Chain revenue climbed from below $200,000 per day in mid-August to $4.01 million on September 2. Deutsche Bank raised its Robinhood price target to $136 from $115 while maintaining a buy recommendation. The Ark Innovation ETF returned 12.09% year to date through September 4, versus 12.75% for the S&P 500, but its five-year annualized return was -7.02%, compared with 11.22% for the index, and it recorded approximately $1.71 billion in net outflows over the 12 months through September 3.