SpaceX, Anthropic, and OpenAI Won't Be Added to the S&P 500 in 2026. Here's What Investors Can Do About It.

Read original · https://www.fool.com/investing/2026/06/06/spacex-anthropic-openai-ipo-sp-500-2026/

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S&P Dow Jones Indices rejected its proposal to fast-track the inclusion of megacap companies into the S&P 500, maintaining a minimum 12-month seasoning period. — This prevents immediate passive fund inflows for massive IPOs like SpaceX or OpenAI, potentially slowing the initial price momentum of such listings.

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Nasdaq is considering a methodology update to weight new IPOs based on a multiple of their float rather than full market capitalization. — This provides a potential alternative path for rapid index inclusion (Nasdaq-100), though it limits the total exposure compared to a full market-cap weighting.

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SpaceX, Anthropic, and OpenAI have reached valuations ranging from $852 billion to $1.77 trillion in private funding rounds. — While indicating massive growth in AI and space sectors, these are private valuations and do not immediately move public market prices.

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SpaceX, Anthropic, and OpenAI Won't Be Added to the S&P 500 in 2026. Here's What Investors Can Do About It.

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