SpaceX’s inclusion in major indexes triggers billions in passive inflows, a model set to repeat for other private tech firms.
SpaceX entered the CRSP US Total Market Index on June 18, five days after its IPO priced at $135 per share. The move forced passive funds like Vanguard’s VTI to buy an estimated $4–7 billion in shares, regardless of the stock’s 30% post-IPO decline to $153 and a $2 trillion valuation.
The company will join the Russell 1000 on June 29, triggering another $6–9 billion in automatic purchases from funds tracking the index. MSCI’s US indexes will follow later this month, adding further passive demand. SpaceX’s inclusion highlights how index rules, not performance, drive billions in retirement account allocations.
The same mechanism will soon apply to OpenAI and Anthropic, as index providers standardize rules for private tech firms. Analysts expect similar inflows once those companies go public, reinforcing the dominance of passive investing in US equities.