ARK Venture Fund, managed by Cathie Wood, holds a $69 million stake in OpenAI. This position represents between 5.26% and 5.41% of the fund's net assets. As of mid-2026, the fund managed approximately $1.3 billion in total assets.
The portfolio is heavily weighted toward private companies, which account for 62% to 78% of the fund's holdings. As of August 31, 2026, the top three investments were SpaceX at 7.54%, OpenAI at 5.26%, and Anthropic at 3.86%. Other major holdings include Kalshi and Stripe.
ARK first reported its investment in OpenAI in April 2024, when the position made up roughly 4% of the portfolio. The fund, which launched in September 2022 with a minimum investment of $500, is designed to be accessible to retail investors.
On September 24, 2026, ARK introduced a tokenization initiative for the fund. Eligible US investors can now purchase ARKVX shares on the Ethereum blockchain using the stablecoin USDC. The initiative is subject to quarterly redemption limits.
