Ark Invest dumped a significant number of shares of ARK 21Shares Bitcoin ETF (BATS:ARKB) on Monday after the ETF's impressive run over the month. Bitcoin ETF Sold Off Ark Invest, founded by veteran investor Cathie Wood, sold 466,133 shares of ARKB through its ARK Next Generation Internet ETF (BATS: ARKW) and 1.06 million shares through ARK Blockchain & Fintech Innovation ETF (BATS:ARKF).