According to Polymarket data, prediction markets show that AI company Anthropic is rapidly closing the gap with SpaceX, with the potential to become the largest initial public offering (IPO) of 2026 after its potential listing in Q4 of that year. Bloomberg previously reported that Anthropic's annualized revenue is expected to exceed $65 billion in 2026, up from $47 billion in May. Currently, Anthropic is valued at approximately $1 trillion, while SpaceX is valued at approximately $1.93 trillion.