Cathie Wood's ARK ETF released its daily trades for May 15, 2026, showing major moves. The biggest trade was buying 149,176 shares of Cerebras Systems (CBRS) worth $46.4 million.
On the sell side, ARK offloaded 13,148 shares of Advanced Micro Devices (AMD) for $5.9 million. Other sales include Teradyne, TSM, and biotech firms.
Overall, ARK is trimming positions in semiconductors and biotech while increasing its stake in Cerebras Systems.












