 Cathie Wood-led Ark Investment Management has quickly piled up over one million shares in the semiconductor company Quantum-Si Inc NASDAQ:QSI since it began trading earlier this month. The popular investment firm on Thursday snapped another 95,199 shares, estimated to be worth about 1 million, in Quantum-Si Inc NASDAQ:QSI, its sixth straight buy in the stock since June 11, the day it began trading on the Nasdaq. 