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15 June 2026

The Impact of SpaceX, OpenAI, and Anthropic IPOs on Investors in 2026

In 2026, SpaceX, OpenAI, and Anthropic are set to go public, potentially reshaping the investment landscape. Learn how these mega IPOs could impact your portfolio.

The Impact of SpaceX, OpenAI, and Anthropic IPOs on Investors in 2026

The investment world is abuzz with the news that several high-profile private companies are planning to go public in 2026. Leading the charge are SpaceXOpenAI and Anthropic each with a significant impact on the tech and aerospace sectors. These initial public offerings (IPOs) are expected to raise substantial capital and bring new dynamics to the market.

An IPO marks the transition of a privately-held company to a publicly-traded entity, allowing it to raise funds and provide early investors with an exit strategy to realize their returns. The upcoming IPOs of SpaceX, OpenAI, and Anthropic are particularly noteworthy due to their massive valuations and the potential they hold for investors.

Fast-Tracking to Major Indexes

One of the most significant aspects of these IPOs is their potential inclusion in major stock indexes. The Russell 1000 and CRSP US Large Cap Index are expected to fast-track these companies within weeks of their debuts. However, the S&P 500 which represents nearly half of the world’s investable stocks, has stricter criteria. It requires a 12-month seasoning period and strict profitability rules before inclusion.

The S&P 500’s cautious approach is rooted in its experience with the dot-com bubble. The index aims to ensure that only financially stable and proven companies are included, thereby protecting investors from potential volatility and risk. This means that while investors might gain exposure to these companies through other indexes or direct investments, their inclusion in the S&P 500 will take time.

Investment Opportunities and Strategies

For investors, the upcoming IPOs present both opportunities and challenges. Platforms like Betterment offer multiple avenues for investing in these companies, whether through automated or self-directed investing. Betterment’s expert-built portfolios, such as Value Tilt, Innovative Tech, and Socially Responsible Investing, are likely to include these companies within weeks of their IPOs.

However, investing in newly public companies comes with heightened volatility and risk. The excitement surrounding IPOs can drive up opening prices, making it difficult for investors to achieve positive returns. Morningstar for instance, has expressed concerns about the valuation of SpaceX’s initial offering, suggesting it might be overvalued.

For those who prefer a more cautious approach, waiting for these companies to organically work their way into globally diversified portfolios might be a better strategy. This allows the market to stress-test their valuations and provides a more stable entry point.

The Tech-Centric Market

The tech sector already dominates the stock market, accounting for more than 44% of the S&P 500. The addition of SpaceX, OpenAI, and Anthropic could further increase this concentration. While this can amplify gains during favorable market conditions, it also heightens the risk during corrections.

It’s crucial for investors to diversify their portfolios across different sectors and geographies to mitigate these risks. Betterment’s automated asset allocation can help investors achieve this balance, ensuring a more resilient portfolio regardless of market fluctuations.

Whether you choose to invest immediately or wait for market validation, understanding the implications of these mega IPOs is key to making informed decisions.