Cathie Wood's ARK sells BioNTech and buys SpaceX stock By Investing.com

Cathie Wood's ARK ETF published their daily trades for Wednesday, July 8th, 2026, revealing significant activity in several key stocks. The most notable transaction involved the sale of 78,211 shares of BioNTech SE (NASDAQ:BNTX) through its ARKG ETF, amounting to a substantial $7,374,515. This sale is part of a broader trend, as ARK had also sold 44,330 shares of BioNTech the previous day.

On the buying side, ARK made a significant purchase of 181,847 shares of Space Exploration Technologies Corp (SPCX) across multiple ETFs, including ARKK, ARKQ, ARKW, and ARKX, totaling $27,180,671. This marks a continued interest in SpaceX, following a purchase of 44,196 shares just a day earlier.

Another noteworthy transaction was the sale of 29,974 shares of Roku Inc (NASDAQ:ROKU) through the ARKW ETF, valued at $4,232,628. This follows a pattern of consistent selling of Roku shares over recent days.

Additionally, ARK sold 8,010 shares of Advanced Micro Devices Inc (NASDAQ:AMD) across its ARKK and ARKX ETFs, for a total of $4,134,041. This continues a trend from the previous day when 8,667 shares were sold.

Among the smaller trades, ARK sold 11,990 shares of Twist Bioscience Corp (NASDAQ:TWST) through its ARKK ETF, worth $1,091,449, and bought 14,637 shares of Eli Lilly and Co (NYSE:LLY) through its ARKG ETF for $18,084,891.

In the biotech sector, ARK continued to adjust its holdings with the sale of 35,859 shares of CareDx Inc (NASDAQ:CDNA) for $1,015,168 and the purchase of 61,750 shares of Generate Biomedicines Inc (GENB) for $1,001,584.

Overall, Cathie Wood's ARK ETFs showed a strategic mix of buying and selling, with a continued focus on high-growth sectors such as biotechnology and space exploration. Investors will be closely watching these moves for insights into ARK's investment strategy.

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