ARK Invest Sold SpaceX and AMD Shares
The firm adjusted its exchange-traded fund portfolios by trimming two major holdings and adding to a defense firm.
Updated on Oct. 9, 2026 in Investing

Live Poll
Is now a good time for you to invest in defense industry stocks?
ARK Invest recently sold 29,048 SpaceX shares and 22,500 AMD shares while purchasing 159,918 shares of Kratos Defense & Security Solutions. These adjustments to the firm's actively managed exchange-traded funds were disclosed on October 8, 2026.
Why it matters
Active management shifts allow firms to rebalance portfolios based on their internal outlook for specific companies and industries. This trade reflects a strategic pivot involving major aerospace and semiconductor positions in favor of a defense contractor that recently updated its financial guidance.
ARK Invest sold 29,048 SpaceX shares and 22,500 AMD shares while acquiring 159,918 Kratos Defense & Security Solutions shares. The move followed a second quarter where Kratos reported $458.8 million in revenue against a $1.6 million operating loss.
The players
ARK Invest
An investment management firm that offers actively managed exchange-traded funds to individual and institutional investors.
SpaceX
A spacecraft and satellite communications company currently seeking regulatory approval for a low-band spectrum acquisition.
AMD
A semiconductor company that produces computer processors and graphics cards for consumer and enterprise markets.
Kratos Defense & Security Solutions
A defense and security firm that provides unmanned systems and satellite communications hardware.
Federal Communications Commission
The U.S. agency responsible for regulating interstate and international communications and approving spectrum agreements.
The details
The firm executed these trades through its actively managed funds, which adjust holdings based on active management strategies. Meanwhile, Kratos Defense & Security Solutions has raised its full-year 2026 revenue guidance to between $1.750 billion and $1.810 billion. SpaceX is also currently navigating an agreement to acquire a nationwide low-band spectrum portfolio, which is pending final approval from the Federal Communications Commission.
Timeline
Kratos reported revenue and operating loss figures for the second quarter of 2026.
ARK Invest released its trade disclosure on October 8, 2026.
Money Landscape
Investment firms frequently adjust their portfolios to anticipate sector-specific outcomes like the Federal Communications Commission's pending spectrum licensing decisions. These moves occur within a broader market environment where defense companies are updating revenue guidance.
Portfolio shifts by major investment firms provide insight into institutional sentiment but do not dictate personal financial goals. Investors should review their own long-term objectives and discuss any potential portfolio changes with a qualified financial professional.
The takeaway
Investment disclosures reflect the tactical changes made by professional fund managers to align with corporate performance and regulatory environments. Investors can monitor their own holdings by periodically checking quarterly reports and official news from the companies in their portfolios.
Further reading
For broader trends in portfolio rebalancing, see our guide on Investing.
Live Poll
Is now a good time for you to invest in defense industry stocks?








