Financial markets are closely watching a major decision by S&P Dow Jones Indices after the index operator confirmed it will not fast-track newly public mega-cap companies into the benchmark S&P 500 index, effectively delaying anticipated entries for high-profile firms including SpaceX, OpenAI, and Anthropic.
The decision comes amid growing excitement surrounding a potential wave of record-breaking technology IPOs expected later this year. SpaceX, OpenAI, and Anthropic are among the world’s most valuable private companies, with combined valuations estimated in the trillions of dollars. Investors had widely expected at least some of these firms to receive accelerated entry into major stock indexes shortly after going public. (Business Insider)
However, S&P Dow Jones Indices reaffirmed that companies must continue to meet longstanding eligibility standards before entering the S&P 500, including a minimum 12-month public trading history, profitability requirements, and adequate public share float levels. (Business Insider)
SpaceX IPO Faces Major Index Barrier
The ruling carries particularly large implications for SpaceX, which is preparing for what could become the largest IPO in modern history.
Reuters reported that SpaceX is targeting a valuation near $1.75 trillion while seeking to raise roughly $75 billion through its planned public offering. Despite its enormous market capitalization, the company would still be blocked from immediate inclusion in the S&P 500 due to existing index rules. (Reuters)
S&P’s requirements include four consecutive quarters of positive GAAP earnings. Reuters reported that SpaceX posted a net loss of approximately $4.94 billion in 2025 despite strong revenue growth tied to Starlink and launch operations. (Reuters)
Analysts noted that even if SpaceX successfully debuts on public markets next week, it may not qualify for S&P 500 inclusion until at least mid-2027 under current rules. (Business Insider)
OpenAI and Anthropic Also Affected
The decision also impacts OpenAI and Anthropic, both of which recently filed confidential IPO paperwork with US regulators.
Reports indicate OpenAI submitted a confidential Form S-1 filing with the Securities and Exchange Commission this week, shortly after Anthropic launched its own IPO preparations. (The Verge)
Under S&P’s rules, neither company would qualify for immediate S&P 500 inclusion regardless of valuation size. Investors and passive index funds therefore would not gain rapid exposure through major benchmark ETFs tied to the index. (Business Insider)
Market analysts said the decision could reduce the immediate flood of passive investment capital typically associated with S&P 500 inclusion. Inclusion in benchmark indexes often triggers billions of dollars in automatic purchases from exchange-traded funds and pension funds that track the index. (Reuters)
Nasdaq and MSCI Taking Different Approach
While S&P maintained its stricter standards, competing index providers have adopted more flexible policies for mega-cap IPOs.
Reuters reported that MSCI confirmed it will continue allowing early inclusion for certain large IPOs in its Global Standard Indexes. Nasdaq has also adjusted rules enabling rapid entry for some large newly listed companies into the Nasdaq-100 index. (Reuters)
This divergence could lead to substantial capital flows into SpaceX and other technology IPOs through alternative benchmark indexes even without immediate S&P 500 inclusion. (Reuters)
Industry observers said S&P’s refusal to accelerate entry standards reflects concerns about market stability and investor protection. Critics of fast-track inclusion argued that forcing index funds to rapidly purchase newly public companies could expose investors to heightened volatility and speculative valuations. (Business Insider)
Investors Closely Monitoring AI and Space IPO Boom
The broader IPO environment has become one of the most heavily searched financial stories globally as investors prepare for a potential record-breaking year for public offerings tied to artificial intelligence and space technology.
OpenAI is reportedly valued near $852 billion, while Anthropic’s valuation has approached $965 billion following recent funding rounds. (The Verge)
Analysts believe the public debuts of SpaceX, OpenAI, and Anthropic could reshape global equity markets and significantly increase the weighting of AI and aerospace sectors across major indexes over the coming years. (Reuters)
For now, however, S&P’s decision means investors seeking exposure to these firms through traditional S&P 500 index funds may have to wait substantially longer than expected.
Sources: Reuters, Axios, Business Insider, The Verge, MarketWatch, S&P Dow Jones Indices.
Editor: Sudhir Choudhary
Date: June 9, 2026
Tags: SpaceX IPO, OpenAI IPO, Anthropic IPO, S&P 500, Wall Street, Artificial Intelligence, Elon Musk, Financial Markets, World News
News by The Vagabond News.

