Anthropic is on pace to outrank most IPOs in history across several metrics, including revenue retention rate, capital raised prior to its IPO, and expected IPO proceeds.
The company also ranks in the top three IPOs in history on numerous other metrics. For example, its six-month revenue growth of 1,300% for the first half of 2026 compared to 2025 is a percentage outranked by only Groupon’s 2,200% at IPO.
In addition, Anthropic’s $6.6 million in revenue per employee is bested only by the 2012 IPO of PBF Energy, and its $1.5 trillion expected valuation puts it third behind Aramco’s $1.7 trillion and SpaceX’s $1.8 trillion.
The Claude maker lost $66.3 billion in the second quarter, according to the IPO prospectus it filed on Monday.
That nominally beats AIG’s $61.7 billion from late 2008 as the largest quarterly loss in US corporate history, mostly thanks to repriced convertible debt.
Expanding the time range to 12 months maintains Anthropic’s #1 rank on this bad leaderboard.
Over the 12 months ending June 30, 2026, the company lost $109.7 billion. That nominally tops the previous corporate records of AOL Time Warner’s 2002 loss and AIG’s 2008 loss.
Anthropic’s accumulated deficit going into its IPO is also in first place at $132.9 billion.
The company acknowledged that the figure “includes $113.2 billion related to changes in the fair value of our convertible notes driven by increases in our enterprise valuation and derivative liabilities.”
3 billion as of its IPO prospectus.
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