June 17, 2026: Perspectives on SpaceX & Upcoming IPOs – Trading Momentum vs Fundamentals

In our Weekly Market Update this week, we provide a more in-depth set of insights regarding the SpaceX IP and other upcoming IPOs

The recent SpaceX IPO generated substantial market enthusiasm, as reflected in an oversubscribed offering. Several structural components of the offering underscore the strength and uniqueness of demand. First, management allocated approximately 30% of the offering to retail investors—materially above typical IPO allocations—directly engaging a highly motivated retail base. Second, the decision to set a fixed IPO price of $135, rather than a traditional range, signaled strong confidence in pricing and anticipated demand.¹ Finally, while the S&P has maintained its inclusion criteria, both the Nasdaq and NYSE introduced structural accommodations to accelerate SpaceX’s inclusion in their equity indices. SpaceX is expected to enter these indices at a modest initial weight that increases over the subsequent 12 months, creating a steady tailwind from passive ETF inflows.

These factors support near-term trading momentum, particularly given a relatively limited public float that may amplify price pressure. However, long-term investment decisions should remain anchored in a disciplined evaluation of underlying fundamentals. Importantly, these dynamics are not unique to SpaceX and are often observable across high-profile IPOs.

Key Considerations for Long-Term Investors

1. Technological Leadership: SpaceX possesses a significant and defensible competitive moat. This advantage stems from its pioneering reusable rocket technology, deeply integrated manufacturing model, global scale in Starlink connectivity, and entrenched relationships with sovereign defense and civil space programs.
2. Financial Profile: Valuation vs. Profitability. Despite its technological leadership, SpaceX remains unprofitable at the consolidated level. The IPO prospectus indicates a net loss of $4.9 billion for FY2025, with losses accelerating into early 2026—exceeding $4 billion in a single quarter. While negative earnings are not uncommon among high-growth IPOs, these figures warrant careful consideration relative to the proposed $1.8 trillion valuation. Many S&P 500 companies operate at materially lower valuations while delivering consistent free cash flow. In addition, the company carries approximately $29 billion in long-term debt, further amplifying execution risk.² The valuation implies that a significant portion of future success is already embedded in the price as though execution will be flawless—an important consideration for investors evaluating similar offerings.
3. IPO Track Record: Historical Perspective. Extensive academic research—most notably by Professor Jay Ritter (University of Florida)—demonstrates that, on average, IPOs underperform the broader equity market over a three-year horizon. This trend is particularly pronounced among unprofitable companies debuting at elevated multiples.³ While individual outcomes can diverge meaningfully, this historical context presents a measurable headwind for long-term investors evaluating newly public companies with comparable financial profiles.
4. Corporate Governance Structure: SpaceX implemented a dual class share structure, granting Elon Musk approximately 85% voting control and effectively limiting the influence of minority shareholders. As a result, leading proxy advisory firms and institutional governance bodies have raised concerns regarding shareholder rights and governance alignment—issues that frequently accompany founder-led IPOs.
5. Organizational Complexity: SpaceX’s corporate structure reflects the integration of multiple affiliated entities, including xAI, X Holdings (formerly Twitter), and Starlink Services. Future performance will depend not only on the individual success of these components but also on the interactions between them, including capital allocation decisions, cross-subsidization, and intercompany relationships. This complexity introduces an additional layer of analytical uncertainty, particularly in the early stages following an IPO.

Investor Takeaway: Distinguishing Momentum from Fundamentals

The SpaceX IPO reinforces the importance of distinguishing between short-term trading dynamics and long-term capital appreciation. Oversubscribed offerings can support initial price strength; however, over time, market performance tends to converge with underlying cash flow generation. Periods of post-IPO volatility may ultimately provide more attractive entry points to evaluate long-term investment merit. More broadly, this framework is applicable across future IPOs, especially those characterized by strong narratives, elevated valuations, and limited operating profitability.

As Charlie Munger observed, “The big money is not in the buying and the selling, but in the waiting.”⁴

¹ Fidelity Investments, “SpaceX IPO Explained.” fidelity.com/learning-center/trading-investing/spacex-ipo-explained.

² SpaceX, Form S-1 Registration Statement. sec.gov/Archives/edgar/data/1181412/000162828026036936/0001628280-26-036936-index.htm.

³ Jay R. Ritter, “IPOs: Long-Run Returns on IPOs.” site.warrington.ufl.edu/ritter/files/IPOs-long-run-returns-on-IPOs.pdf.

⁴ Charlie Munger, Berkshire Hathaway Annual Shareholder Meeting, 1994. (Intellectual origin traces to Jesse Livermore).