SpaceX vs. the Last 5 Biggest IPOs in History. How Did Those Stocks Perform a Year Later?

SpaceX (NASDAQ: SPCX) IPOed on June 12 raising $86B (with the greenshoe exercised) and the stock is up 13% from its opening price as of July 9. The article highlights a supportive fundamental mix—lower vertically integrated launch costs and Starlink generating $1.2B operating income on $3.3B revenue in 1Q26—but flags major downside risk from valuation at >51x 2026 estimated revenue. Using prior mega-IPOs as a guide shows highly volatile 12-month outcomes (Alibaba -30%, SoftBank +10%, NTT +68%), implying SpaceX’s near-term performance is sentiment-driven and uncertain.

Analysis

The market is not pricing a launch company; it is pricing a rare, liquid benchmark for private-market optionality. That usually works until public investors force the story to migrate from narrative scarcity to measurable cash conversion, at which point a very high revenue multiple becomes a liability rather than a badge of quality. The most important second-order effect is that any post-IPO weakness will quickly bleed into the broader “space growth” bucket, especially smaller names whose funding economics depend on a tolerant public comp set.

The near-term catalyst path is less about launch milestones and more about the first moments when public scrutiny can test the operating model: a quarterly print, insider selling, any secondary offering, and lockup expiry. If recurring connectivity revenue keeps expanding, the valuation can stay elevated longer than skeptics expect; if not, the stock is vulnerable to a sharp multiple reset because the market has already paid for several years of flawless execution. That asymmetry matters more than day-one trading because the float will likely remain sentiment-driven and headline-sensitive.

The contrarian risk is that investors may be underestimating how durable a monopoly-like launch position plus recurring network revenue can look in public markets when traditional software multiples are available to growth stories. But the counterpoint is that capital intensity and execution complexity tend to surface only after listings, not before. My base case is that the stock is vulnerable to a 20-30% drawdown on any post-IPO disappointment, while a sustained melt-up requires both margin expansion and evidence that growth is not being bought at the expense of future dilution or capex strain.

Key Decisions for Investors

• If SPCX options are liquid, buy a 6-9 month put spread after the first post-IPO strength rally; this targets valuation compression with defined risk. Falsifier: a first quarterly update that shows accelerating revenue and expanding operating margin rather than flatlining conversion.
• Do not short SPCX immediately into the opening tape; wait for the first secondary sale, insider unlock, or post-earnings pop to improve entry. Entry discipline matters because early float scarcity can keep the stock irrationally strong for weeks.
• Use SPCX as a trigger to trim exposure to the public space basket (e.g., RKLB, ASTS, LUNR) on any broad de-rating in the first 1-3 months; these names are most exposed if the market decides the sector deserves a lower multiple ceiling.
• Set a watch level on SPCX: if it is still trading above its IPO price into the first earnings cycle but fails to raise guidance or demonstrate margin durability, rotate from neutral to tactical short/put exposure.
• If the stock breaks materially below its IPO-day VWAP and stays there for two weeks, treat that as confirmation of multiple compression and increase bearish exposure; if it holds above VWAP with rising estimates, step aside.