SUNDAY, JUNE 7, 2026|No. 1933
Business · Stock Market · Index

S&P Dow Jones Maintains 12-Month Rule for Newly Public Companies, Denying Fast Entry for SpaceX and Others

S&P Dow Jones Indices will not shorten the 12-month seasoning period for newly public companies, maintaining existing requirements for profitability and public float.

The S&P 500 index will continue to require a 12-month seasoning period for companies going public.
The S&P 500 index will continue to require a 12-month seasoning period for companies going public. · Photo by Maxim Hopman on Unsplash
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Takeaways by Bloomberg AI

S&P Dow Jones Indices will keep its existing eligibility requirements for main benchmarks like the S&P 500 Index, rejecting proposals that would have made it faster for mega-cap companies such as Elon Musk’s SpaceX to gain rapid entry into the benchmark after going public.

The index provider in a press release Thursday said it will not shorten the 12-month seasoning period for newly public companies it currently has or waive existing profitability and public-float requirements based on a company’s size, diverging from a broader industry shift embraced by rivals Nasdaq Inc. and FTSE Russell.

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