Cathie Wood's Ark Invest purchased 78,756 shares of AI chipmaker Cerebras Systems, deepening a position built through multiple buys since the

Cathie Wood's Ark Invest purchased 78,756 shares of AI chipmaker Cerebras Systems, deepening a position built through multiple buys since the

Ark Invest bought Broadcom and Cerebras shares while trimming AMD stock on Wednesday, Aug.19, 2026.