Nasdaq adopted a sweeping overhaul of its Nasdaq-100 methodology in March 2026, effective May 1 — weeks before SpaceX filed its S-1 and chose Nasdaq as its listing venue. The rule package introduces what the exchange calls “Fast Entry”: any newly listed company ranking in the top 40 by market cap qualifies for Nasdaq-100 inclusion after 15 trading days. The previous seasoning period ran from three months to a full year.
Reuters reported in March that SpaceX advisers had approached Nasdaq and other index providers to accelerate inclusion ahead of the IPO. SpaceX lists June 12 under the ticker SPCX at a target valuation of $1.75 trillion — large enough to rank among the five or six largest index constituents from day one. Under the new rules, SPCX would enter the Nasdaq-100 at the June 22 quarterly review or shortly after.
The overhaul makes four additional changes. Nasdaq now calculates market cap for eligibility using both listed and unlisted share classes — a direct accommodation for dual-class structures like SpaceX’s, where a significant portion of equity sits in unlisted founder shares. The exchange also eliminated the previous 10% minimum public float requirement, replaced the “10 basis point rule” with a rank-based quarterly removal process that cuts companies falling outside the top 125, and introduced a 3x float cap on index weighting. SpaceX is expected to float roughly 3%–5% of shares, meaning its Nasdaq-100 weight would be capped at 9%–15% of its listed market cap.
Related: SpaceX Cuts IPO Valuation Target to $1.8 Trillion After Investor Feedback
The Invesco QQQ Trust (Nasdaq: QQQ), the largest Nasdaq-100 ETF with approximately $430 billion in assets under management, will have no discretion over whether to buy SPCX — only over execution speed. QQQ and every fund benchmarked to the index must purchase shares of a company still riding its post-listing pop, with five days’ notice and 15 days of trading history to price it. Research found the fast entry process could allow newly public companies to raise 6% more capital from index-fund demand, at the expense of existing holders.
Under the old rules, insiders typically waited 90 to 180 days before a stock entered major indexes, limiting their ability to sell into forced buying. Under the new framework, insiders can distribute into index-driven demand while the stock trades at its IPO premium.
Michael Burry flagged the rule change on his Substack Cassandra Unchained last month, amplifying critics who argued the overhaul amounts to the exchange rewriting its rulebook to enrich IPO issuers and early insiders at the expense of passive investors.
Related: Burry Maps the Pipeline: How Retiree Annuity Money Ends Up Funding Nvidia’s xAI Deal
Nasdaq countered in its FAQ that companies going public today are “larger and more mature than in the past,” that high trading volumes accelerate price discovery, and that fast entry is already common among competing index providers. The 3x float cap, it argued, protects investability by preventing a low-float giant from dominating the index at its full economic weight.
SpaceX’s S-1, filed with the SEC on May 20, disclosed $41.3 billion in accumulated losses and flagged the xAI acquisition as a source of significant related-party transactions, including equipment leases and vehicle purchases between Musk-affiliated entities. The offering would be the largest public debut on record, surpassing Saudi Aramco‘s $29 billion raise in 2019.
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