If SpaceX, OpenAI, and Anthropic all complete public offerings in 2026, the year will produce the three largest venture-backed IPOs in history by pre-IPO valuation. Nothing in the 30-year history of technology venture capital comes close. The Alibaba 2014 IPO — previously the record holder at roughly a $169B raise — would look like a mid-sized regional listing by comparison.

SpaceX/xAI: The $1.5T Super-Company Goes Public

The SpaceX/xAI combined entity is targeting a June 2026 IPO at a valuation that could reach $1.5 trillion — the largest initial public offering in human history. SpaceX’s Starlink subscriber growth, Falcon 9 launch cadence, and Starship commercial program provide a revenue foundation no other venture-backed company can match. The xAI component (including Grok) adds the AI narrative that investors currently price at a premium.

The combined entity creates a unique pitch: space infrastructure with predictable government contract revenue, consumer internet via Starlink, and frontier AI — three of the highest-valued tech sectors simultaneously.

OpenAI at $840B: Q4 2026

OpenAI’s IPO target is Q4 2026, at an expected valuation of approximately $840 billion — the second-largest IPO in history and the largest pure AI company to ever go public. ChatGPT enterprise contracts, API revenue, and the OpenAI o3 agent platform all contribute to a revenue story that justifies the valuation.

Key IPO risk: profitability timeline. Frontier model training and inference at scale are extraordinarily capital-intensive. Public market investors will scrutinize the path to positive operating cash flow in a way private market backers have not.

Anthropic at $380B: Safety Enterprise Trust

Anthropic’s IPO timeline is TBD, with a pre-IPO valuation of approximately $380 billion. The company’s safety-first, enterprise-grade positioning plays unusually well in a 2026 environment where AI governance is a board-level concern. Claude’s adoption in financial services, healthcare, and legal tech reflects the premium enterprises pay for an AI vendor whose safety posture reduces compliance risk.

Databricks: The Quiet $134B Unicorn

Databricks is targeting a Q2 2026 offering at $134 billion, with a $5.4 billion annual revenue run-rate and 65%+ year-over-year growth. For institutional IPO investors looking for AI exposure with actual revenue and a credible path to profitability, Databricks is arguably the most straightforward story in the pipeline.

CoreWeave: The GPU Cloud Story

CoreWeave — a GPU-native cloud provider — is targeting Q2 2026, having achieved a $19 billion valuation in its late 2025 funding round. As hyperscaler GPU capacity remains constrained, CoreWeave’s specialized infrastructure has attracted significant enterprise contracts for frontier training workloads.

2026 IPO Pipeline

What Could Derail It

Two companies — Liftoff and Clear Street — already withdrew IPO plans in February 2026 due to equity market volatility. March 2026 US funding: approximately $13 billion vs February’s $189 billion — a 93% month-over-month decline. Analysts note that stripping out three February mega-rounds leaves the month appearing normal for everyone else. But concentration risk is now exposed.

If the pipeline executes, LP liquidity events at this scale will recycle hundreds of billions back into the venture ecosystem — funding the next generation of AI startups. The IPO window doesn’t just close a chapter; it opens the next one.