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The SpaceX IPO is already upending the stock market

Axios's profile
Original Story by Axios
May 14, 2026
The SpaceX IPO is already upending the stock market

Context:

SpaceX’s ascent toward an imminent IPO could catalyze a new AI-driven era in public markets, with potential valuations around $2 trillion for SpaceX and up to $5 trillion across OpenAI and Anthropic. As mega-IPOs approach, investors may flood in, reshaping demand and drawing capital from other assets. The S&P 500 is weighing rules to fast-track SpaceX into its index, a move that would lock in substantial index-fund buying, while Nasdaq has already expedited SpaceX onto its Nasdaq 100, signaling a broader shift in market structure. If the proposed changes pass by the May 28 deadline, they could take effect just before the IPO, accelerating inclusion ahead of the June 8 open.

Dive Deeper:

  • SpaceX’s anticipated IPO is framed as a turning point that could usher in an AI-centric wave of public listings, with broader industry peers OpenAI and Anthropic expected to pursue IPOs within the year.

  • Analysts project mega-IPOs could trigger a surge of investor demand, pulling funds from other assets and amplifying market momentum, though some observers warn of distortions in pricing and fairness.

  • Key voices note that the evolving market ecosystem is driven by the need for indices to reflect the current landscape, rather than by conspiratorial motives, making rapid inclusion plausible if profitability status remains uncertain.

  • The proposed S&P 500 changes would drop profitability as a requirement, shorten the inclusion wait from 12 to six months, and remove the 10% public float rule, with SpaceX reportedly carrying about a 5% float.

  • Nasdaq has already permitted fast-tracking for SpaceX onto the Nasdaq 100, signaling a foundational shift in how mega-cap tech valuations interact with benchmark indices.

  • If the rule changes are approved by the May 28 deadline, they would apply ahead of trading on June 8, effectively accelerating investor access to SpaceX stock.

  • Industry voices caution that while these adjustments aim to reflect current market realities, they raise concerns about fairness and long-term market dynamics.

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