Ark Invest Targets AI Infrastructure and Defense in Latest Portfolio Shifts

Ark Invest, led by CEO Cathie Wood, executed a targeted buying strategy last week, adding to positions in Amazon, Kratos Defense & Security & Solutions, and DoorDash, while initiating a new position in the recently public X-Energy. The activity follows a period of relative inactivity from Wood during the recent market rally. The current focus appears heavily weighted toward the infrastructure supporting artificial intelligence and geopolitical security, reflecting Ark's core aggressive-growth mandate. Amazon (AMZN) saw the most frequent activity, with purchases on both Monday and Friday. The e-commerce giant's shares have risen 26% over the past month, bolstered by Meta's adoption of Graviton chips and a $100 billion commitment from AI firm Anthropic to AWS over the next decade. This momentum comes despite a massive $200 billion capital expenditure plan for 2026 that initially unsettled investors. In the defense and energy sectors, Ark added to Kratos (KTOS), which posted a 19% revenue increase last year but is currently trading 19% lower year-to-date. Wood appears to be viewing the pullback from Kratos's January peak of $134 as a buying opportunity. Simultaneously, the fund entered X-Energy (XE) following its IPO at $25 per share, betting on the surge in nuclear energy demand required to power expanding AI data centers. These trades signal Ark's continued conviction in the intersection of energy, AI, and defense, positioning the fund to benefit from the long-term infrastructure build-out of the intelligence era.