Of the 30 U.S.-based startups that Startup Researcher tracked going public between January 1 and June 30, 2026, the ten largest by market capitalization at the IPO price raised approximately US$86.74 billion in their base offerings. SpaceX led on both measures: its shares were priced at a US$1.77 trillion market capitalization, and the company raised US$75 billion.
Methodology
Startup Researcher reviewed 30 U.S.-based startups that completed IPOs between January 1 and June 30, 2026. The chart shows the ten companies in that group with the highest basic market capitalizations at their final offering prices. The ranking is not based on proceeds raised or on share prices after trading began.
The vertical axis shows market capitalization at IPO: the final offering price multiplied by basic common shares outstanding at pricing, excluding potential dilution from options and other securities. The horizontal axis shows gross primary proceeds: the amount each company raised in its base offering before underwriting discounts and offering expenses. Both axes use logarithmic scales.
The proceeds total covers only the ten companies shown. It excludes underwriters’ over-allotment options, proceeds paid to selling shareholders, and separate concurrent private placements. Figures are based on company pricing announcements, IPO prospectuses and other regulatory filings, exchange statements, and financial reporting.