Cathie Wood Dumps AMD and Palantir, Bets Millions on Cerebras and Archer Aviation

TLDR

• ARK sold 19,491 shares of Advanced Micro Devices worth nearly $9.9 million through its ARKK ETF
• ARK bought 575,700 shares of Archer Aviation for $3.4 million, signaling interest in urban air mobility
• Cerebras Systems saw ARK buy 93,290 shares worth $17.2 million despite the stock falling 32.4% since May
• Cerebras reported 103% year-over-year revenue growth to $209.9 million in Q2, with cloud revenue up 287%
• ARK also sold Palantir Technologies shares worth $6.5 million while adding to Beam Therapeutics and CRISPR Therapeutics

Cathie Wood’s ARK Invest made a string of trades on September 9, 2026, selling out of some well-known tech names while doubling down on AI infrastructure and biotech.

The biggest sale was Advanced Micro Devices. ARK offloaded 19,491 shares through its ARKK ETF, totaling nearly $9.9 million. This continues a pattern of ARK reducing its AMD position over the past week.

Advanced Micro Devices, Inc., AMD

ARK also sold 38,395 shares of Palantir Technologies for $6.5 million and trimmed its Tempus AI position by selling 68,759 shares worth $4.4 million.

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