In Q3, Cathie Wood’s ARK Invest significantly boosted its exposure to several Magnificent 7 giants, including Alphabet (GOOGL), Nvidia (NVDA), and Tesla (TSLA). Despite rising concerns about an AI bubble and tech-sector volatility, Wood doubled down on high-conviction names. Overall, ARK’s 13F portfolio climbed to $16.8 billion with 196 holdings in Q3.
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For context, a 13F filing refers to the list of stock holdings that large investment managers are required to disclose to the U.S. Securities and Exchange Commission (SEC) every quarter.
ARK Invest’s Q3 Stake Increases
In Q3 2025, ARK Invest added 205,190 new shares of GOOGL, marking a jump of 153% from the previous quarter. This brings its total holdings of Alphabet to 338,956 shares.
ARK also expanded its position in Nvidia, adding 152,607 shares in Q3. This represents 15% growth quarter-over-quarter, with total holdings rising from 1.013 million in Q2 to 1.165 million shares at the end of Q3.
As for Tesla, it remains ARK’s largest 13F holding at 9.50% of the portfolio. The firm added 512,158 shares of TSLA in Q3, increasing its position from 3.07 million to 3.59 million shares. It shows a solid 17% quarter-over-quarter increase.
ARK Invest’s New Stakes in Q3
Cathie Wood added several new names to ARK Invest’s portfolio in the third quarter, expanding the firm’s footprint in crypto and blockchain stocks. ARK purchased 7.47 million shares of BitMine Immersion Technologies (BMNR), which now accounts for 2.31% of the portfolio. Additionally, the firm acquired 2.58 million shares of Bullish (BLSH).
ARK also increased its exposure to Chinese companies. It added 1.27 million shares of software company Pony.ai (PONY) in Q3, along with 210,178 shares of Alibaba (BABA).
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