ARK Invest predicts Bitcoin could reach $1.5 million by 2030 in its bull case, with a worst-case scenario of $300,000.

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A steep sell-off in Roblox (RBLX) stock saw ARK Investment add to its position in the company, shrugging off fears about its user metrics and

Star portfolio manager Cathie Wood’s Ark Investment Management filed its 13F holdings report for the fourth quarter on Feb. 4.  As usual, there were many moves into and out of the investment management firm’s holdings.

Bitcoin's current market value is $1.9 trillion, making up more than half of the cryptocurrency market. According to Cathie Wood, Bitcoin’s future could rival traditional assets like gold.

Cathie Wood bought shares of Roblox, Amazon, and PagerDuty on Thursday. Roblox shares suffered a double-digit-percentage dip after posting uninspiring bookings for a stock that has soared 127% since bottoming out nine months ago.

Cathie Wood, chief of Ark Investment Management, usually targets tech stocks with high "disruptive" potential. She frequently adjusts her holdings around a company’s earnings, either increasing or trimming positions in response to financial results and market performances.