Cathie Wood’s ARK sells Robinhood stock, buys CoreWeave and Kratos
ARK ETFs bought CoreWeave (CRWV) and Kratos (KTOS) for $19.68M and $9.15M, respectively, and sold Robinhood (HOOD) and Personalis (PSNL) for $17.01M and $12.01M. Other trades included Teradyne (TER), Recursion (RXRX), and smaller positions in several other companies.
How this was made
The 30-second read
Why it matters
The disclosed trades provide insight into ARK's sector bets, potentially influencing short‑term price dynamics for the listed tickers.
Market read
Fund activity can move small‑cap stocks; traders may watch for price reactions to these disclosed positions.
What to watch
ARk's trades are disclosed after the fact; market may have already priced the moves.
Background
ARK's daily trade disclosures are routinely reported; this article aggregates multiple buy and sell actions for Oct 7, 2026.
Ticker impact
ARK purchased 214,589 shares of CoreWeave, indicating increased exposure to the AI compute provider.
likely modest upside as market prices in ARK's confidence
Fund inflows often lift small‑cap stocks, especially in a hot AI sector.
ARK bought 209,379 shares of Kratos Defense, signaling bullish view on defense tech.
likely pressure to the upside from fund buying
Defense stocks often rally on institutional buying.
ARK sold 151,903 shares of Robinhood, reducing its stake.
likely modest downside as market absorbs sell order
Fund divestments can trigger short‑term price drops.
ARK sold 749,510 shares of Personalis, continuing a reduction.
likely pressure to the downside
Large sell orders from a high‑profile fund can depress price.
ARK sold 27,066 shares of Teradyne, a modest exit.
likely negligible price effect
The trade size is small relative to market volume.
ARK bought 1,880,067 shares of Recursion Pharmaceuticals, a sizable addition.
likely modest rally on buying pressure
Large biotech purchases by ARK often spark short‑term gains.
ARK bought shares of Archer Aviation, indicating interest in eVTOL sector.
likely slight upside
Small‑cap speculative plays can move on fund activity.
ARK bought shares of AeroVironment, adding exposure to UAV technology.
likely modest upside
Institutional buying can lift niche defense stocks.
Market effects
Highlights continued ARK focus on AI, defense, and biotech, possibly nudging sector sentiment.
U.S. equity market, primarily small‑cap and growth segments.
Limited to investors tracking ARK's portfolio allocations.
Counterpoint
Fund buying may be premature if valuations are stretched; sell pressure could emerge if earnings disappoint.
Key entities
- investment_fundARK Investment Management
Active manager of ARKK, ARKW, and ARKG ETFs.




