As crypto markets go through another bout of volatility, ARK Invest is scooping up some more Coinbase (COIN).On Thursday, the ARK Innovation ETF (ARKK) bought another 216,518 shares of the stock, while the ARK Fintech Innovation ETF (ARKF) purchased an additional 38,220.By the numbers: Coinbase now has a 3.45% weight in ARKK, 3.35% weight in [[ARKW]] and 3.06% weight in ARKF. That's roughly 1B COIN shares across all ARK funds for a total value of nearly $1B. At a market cap of $46.91B, ARK owns over 2% of Coinbase.Here is the full list of Thursday's portfolio adjustments made by the ARK investment team: