California anticipates a significant boost in tax revenue from upcoming IPOs by tech giants such as SpaceX, OpenAI, and Anthropic. These listings could potentially generate billions, with SpaceX's IPO poised to be one of the largest tax events in the state's history. However, due to SpaceX's unique employee equity structures and prepayment tax arrangements, much of the tax liability has already been realized, reducing the expected post-IPO tax surge. The California Department of Finance and the Legislative Analyst’s Office highlight that while these mega-IPOs could surpass the $1.3 billion tax revenue from Facebook's 2012 IPO, the complex stockholding structures and early share sales may lead to more dispersed and unpredictable tax receipts. As a result, California's fiscal gains from this "super-IPO cycle" are expected to be more volatile and less predictable, shifting from concentrated surges to longer-term revenue realization.