SpaceX IPO Could Herd Its Way Into Your 401(k) via Indexes

SpaceX’s record-breaking IPO last week could land the company in major stock indices soon, meaning funds in 401(k)s that track those indexes may automatically buy SpaceX shares. However, initial weighting will be modest because only a small portion of SpaceX’s stock is publicly available. Nasdaq has moved to speed up mega IPOs’ inclusion, FTSE Russell is also adjusting rules, but S&P Dow Jones Indices says it won’t include SpaceX in the S&P 500 for at least a year. Investors should expect exposure to grow gradually, with bespoke SpaceX ETFs and direct stock purchases as alternative paths. As always, diversify and consider broader market exposure to avoid single-stock risk.