SpaceX’s $1.8 Trillion IPO Draws 4× Demand but Sparks Valuation and Regulatory Pushback

Wall Street has seen exuberant mega-listings before—1929’s RCA secondary, AT&T’s 1984 breakup spinoffs, Alibaba’s $25 billion IPO in 2014—but none neared a $1.8 trillion float. Like the South Sea Company in 1720 or Netscape in 1995, SpaceX crystallises a technology narrative (space-AI convergence) into a speculative focal point. Structurally, the deal sits at the crossroads of two secular forces: the late-stage privatization boom that let firms stay private until gargantuan and the rise of passive indexing now required to absorb them. Warren’s concern mirrors debates after Google’s 2004 dual-class IPO about shareholder rights; Morningstar’s discount echoes dot-com era warnings that earnings must eventually justify price. Whether the listing soaks up liquidity from crypto or catalyzes a 2026-27 IPO wave, it will test how modern markets digest trillion-dollar newcomers—a precedent that could shape capital formation, index construction, and retail wealth distribution for decades, or conversely serve as a cautionary tale of peak-cycle exuberance recalled a century hence.