OpenAI, SpaceX, and Databricks: The 2026 IPO Window Could Shift Trillions

The technology IPO market in 2026 could generate trillions of dollars in public valuations, and the most anticipated candidates are not second-generation startups but giants that have shaped the last decade of computing. OpenAI, SpaceX, and Databricks lead a pipeline that, if confirmed, would represent the largest technological initial public offering cycle since the dot-com bubble, this time with a fundamental difference: the majority are profitable.

The context: 2025 opened the window

The IPO of 2025 surprised the market. At least 23 American companies with valuations exceeding $1 billion went public that year, compared to just nine in 2024. The aggregate volume of global emissions jumped 45%, from $118 billion in 2024 to $172 billion in 2025, driven by technology and financial services.

The criterion that now defines eligibility for an IPO in 2026 is straightforward: "a profitable company, especially one that is an AI asset or has a compelling story about how AI will be a tailwind for the business, is a strong candidate for an IPO in 2026."

OpenAI: the pricing of the moment

The most awaited case is that of OpenAI. In 2025, the company raised $40 billion in a private round, consolidating one of the largest venture capital rounds in history. Preparations for going public are underway, but the company's unusual corporate structure, part non-profit, part for-profit, makes the transition to the public market more complex than a conventional IPO.

SpaceX, on the other hand, achieved a valuation of $800 billion in 2025. An IPO for SpaceX would test the public market's capacity to absorb companies with hybrid business models, commercial launches, government contracts, and Starlink, at a scale without historical precedent.

M&A: the parallel to the IPO

The mergers and acquisitions environment is equally heated, and the two markets reinforce each other. According to technology M&A advisors, "a healthy IPO market tends to increase M&A activity rather than reduce it", companies preparing for IPO gain bargaining power in sales processes.

Two distinct patterns of M&A are emerging in 2026:

AI acqui-hires: large corporations acquire teams of fewer than 100 people for $100 million or more, focusing on talent and intellectual property. The main asset is not the product, it is the team.

Mature unicorns seeking exit: companies that delayed IPOs for three or four years are opting for strategic sales. The approval of Google’s acquisition of Wiz by the US Department of Justice signalled regulatory openness for consolidation in cloud security.

The concerning concentration

The most evident systemic risk is capital concentration. OpenAI, Scale AI, Anthropic, xAI, and Project Prometheus captured $84 billion in 2025, 20% of all global venture capital for the year. Circular patterns among the same investors create dynamics that analysts compare to historical bubbles.

For the CFO of a corporation tracking this market, the practical implications are significant: valuations of AI companies in which there is strategic investment may be inflated by secondary market dynamics; due diligence in acquiring AI-native companies needs to separate real value from market momentum.

What to monitor

The IPO window could close quickly due to macroeconomic volatility. The most relevant risk factors for 2026 are: geopolitical tensions affecting the semiconductor supply chain, Fed movements on interest rates, and regulatory consolidation around AI that may create significant business risks for the IPO candidates.

For technology executives, 2026 represents an opportunity for competitive repositioning via M&A, and also a moment for careful evaluation of partnerships with companies whose valuations may be severely tested by the reality of the public market.