SpaceX IPO Could Force $27 Billion Into ETFs as Nasdaq Rule Changes Draw Lawsuit Warnings

Benzinga reported Monday that a pending SpaceX IPO could compel index funds to absorb between $22 billion and $27 billion in shares involuntarily, following controversial rule rewrites at the Nasdaq.

Nasdaq Rewrites the Rulebook Before SpaceX Arrives

The exchange quietly amended its Nasdaq 100 eligibility criteria in ways that appear tailor-made for SpaceX’s arrival. Under the revised framework, a newly listed company can join the index within just 15 days of going public, provided its total market capitalization ranks among the top 40 existing constituents.

That alone was notable. But the exchange also scrapped its longstanding requirement that listed companies maintain at least 10% of shares in public float. SpaceX, famously tightly held by Elon Musk and early investors, had long been considered ineligible under that threshold.

The combined effect is that billions in passively managed ETF assets tracking the Nasdaq 100 would be mechanically required to buy SpaceX shares almost immediately after the listing.

Economist Raises Legal Red Flag

Economist and Center for Economic and Policy Research co-founder Dean Baker publicly flagged the situation on social media, echoing criticism that the IPO represented what one commentator called “the most brazen retail fleecing in modern market history.” Baker went further, suggesting that index fund shareholders, particularly those who never chose SpaceX exposure, could have legal standing against the exchange itself for engineering the rule changes.

The concern centers on whether passive investors, who have no discretion over index composition, are being forced into a richly valued private company at the moment of peak insider benefit.

S&P 500 Fast-Track Also in Play

The rule adjustments extend beyond the Nasdaq. Separate changes would allow SpaceX to qualify for S&P 500 inclusion just six months after joining an eligible index, cutting the standard waiting period in half. That second wave of mandatory buying could amplify total passive inflows considerably beyond current estimates.

Also Read: What Passive Index Fund Rules Mean for Retail Investors

Background: Private Giants and Index Eligibility

The tension between large private companies and public index rules is not new. As mega-cap private firms balloon in valuation, exchanges have faced pressure to accommodate them faster upon listing. Critics argue the resulting rule bends serve insiders over the retail investors who anchor passive funds.

SpaceX’s valuation has soared in secondary markets for years, leaving public investors unable to access the growth phase. The IPO, whenever it arrives, may simply hand that same retail cohort an outsized bill.

Read Next: Why the S&P 500’s Composition Rules Matter More Than Ever