The filings were released days after Ark added 301,437 more shares of crypto exchange Coinbase (COIN) to the ARK Innovation ETF (ARKK) and 52,525 shares to its Next Generation Internet ETF (ARKW), a purchase valued at $20.6 million based on Coinbase’s closing price last Thursday. Ark has been steadily buying shares of Coinbase for its exchange-traded funds since the beginning of the year.