OpenAI, the artificial intelligence startup renowned for its generative AI application ChatGPT, may initiate its initial public offering (IPO) as early as the fourth quarter of 2026. Currently valued at $852 billion, the company has experienced impressive growth, with revenue reportedly surging 225% to $13 billion in 2025 and projected to increase by 130% to $30 billion in 2026. This rapid expansion places OpenAI at a steep valuation of 65 times its sales, setting the stage for what is expected to be a blockbuster IPO, attracting significant interest from various segments of the investment community.
Investors eager to gain exposure to OpenAI before its IPO have options, though they come with varying degrees of risk. A prominent avenue is through the Ark Venture Fund (NASDAQMUTFUND: ARKVX), an actively managed interval fund that has made substantial commitments to several private companies, including significant stakes in SpaceX (17%), OpenAI (11%), and Anthropic (4%). Since its inception in August 2022, the fund has delivered a remarkable return of 151%, outperforming the S&P 500 by 85 percentage points, largely due to its holdings in these high-profile firms.
However, the Ark Venture Fund’s concentrated investments in private companies with high valuations pose inherent risks. As 40% of its assets are tied to its five largest holdings, a shift in market sentiment could result in considerable downside. Additionally, as an interval fund, it restricts liquidity, allowing investors to sell shares only on a quarterly basis, which could be a deterrent for some. Retail investors can access shares of the Ark Venture Fund through platforms like SoFi Technologies and Titan, but face a relatively high net expense ratio of 2.9%, meaning they will incur $290 in fees annually for every $10,000 invested.
Another, less risky option for investors seeking exposure to OpenAI is via Microsoft (NASDAQ: MSFT), which has committed $13 billion to the startup since 2019, securing a 27% equity stake. This investment is now valued at approximately $230 billion based on OpenAI’s latest funding round. Moreover, Microsoft has established a revenue-sharing agreement entitling it to 20% of OpenAI’s sales through 2032. Given OpenAI’s projected cumulative sales reaching between $675 billion and $1.5 trillion in that timeframe, Microsoft could potentially gain around $300 billion from this partnership.
The dual benefits of equity ownership and revenue sharing make Microsoft stock a less volatile alternative for investors compared to the Ark Venture Fund. Microsoft has a robust position in enterprise software and cloud computing, leading analysts to project annual earnings growth of 16% over the next three to five years, making its valuation of 27 times earnings appear attractive.
While potential investors may be drawn to the Ark Venture Fund, it is essential to weigh the risks involved. Analysts from The Motley Fool recently underscored that the fund was not among their top recommendations, highlighting that their list includes stocks with a strong potential for substantial returns. Historical context from The Motley Fool’s Stock Advisor illustrates the striking gains from stocks like Netflix and Nvidia, which have yielded impressive returns when recommended in past years.
In summary, as OpenAI prepares for its potential IPO, both the Ark Venture Fund and Microsoft present distinct avenues for investors to gain exposure to this leading AI firm. While the prospect of substantial returns exists, they come with varying degrees of risk and liquidity constraints that must be carefully considered. The landscape for AI investment is rapidly evolving, and those interested in capitalizing on OpenAI’s growth need to remain vigilant and informed as developments unfold in this dynamic sector.
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