Ark Venture Fund soared 67% in the past year, heavily invested in SpaceX and OpenAI ahead of their reported 2026 IPOs

The Ark Venture Fund returned 67% over the past year, outperforming the S&P 500 (27% return) and Nasdaq-100 (38% return). As of May 3, approximately 80% of its assets were invested in private companies, with SpaceX at 13.8% and OpenAI at 9.2% of the fund's top 10 positions.

SpaceX's valuation increased 730% to $1.25 trillion since Ark's stake in late 2023; OpenAI's valuation surged 870% to $852 billion since Ark's stake in early 2024. Both companies are reportedly planning to list shares in 2026, with SpaceX seeking an initial valuation of $1.75 trillion and OpenAI seeking $1 trillion.

The Ark Venture Fund is an interval fund (a closed-end fund offering liquidity on a quarterly basis rather than daily trading), with a minimum investment of $500, a net expense ratio of 2.9%, and shares available only through Titan Investment Management or SoFi Invest—not on a stock exchange.