Bullstory
Jun 12, 2026

SpaceX, OpenAI and others: mega IPO pipeline 3trillion~4trillion

The combined value of the IPO pipeline of major companies including SpaceX (SpaceX), OpenAI (OpenAI) and Anthropic (Anthropic) is estimated at 3trillion~4trillion. Analysts say the amount of shares that will actually be available for trading after listing will be approximately 2,000hundred million dollars, which they consider not large compared with global market capitalization of 75trillion.


SpaceX, OpenAI and others: mega IPO pipeline 3trillion~4trillion

Mega IPOs by companies including SpaceX (SpaceX), OpenAI (OpenAI) and Anthropic (Anthropic) are awaiting listing at a record scale. Reports say the combined value of these companies is estimated at 3trillion~4trillion. This has led to continued discussion about the market's capacity to absorb them.

Analysts estimate that the amount of shares that could actually become available for trading after listing will be approximately 2,000hundred million dollars. The total market capitalization of global stock markets is presented as approximately 75trillion. This figure shows that headline valuations and the actual amount available for trading differ.

Historical data also reportedly show that periods of large-scale new share issuance have often coincided with strong markets. By contrast, cases in which heavy selling immediately caused a sharp market decline were relatively rare. These past data are presented as the basis for discussion of this pipeline.

The reports focus more on the concentration of large technology stocks within the index and portfolio reallocation than on supply absorption itself as the actual risk. They point out that fund movements in an index with a high weighting of large-cap stocks could create selling pressure on specific securities. This is cited as the key variable in the market impact.

Within the market, the size of the publicly tradable shares at the time of listing and the existing ownership structure of large-cap stocks are presented as important benchmarks for judgment. It is pointed out that short-term volatility could increase if trading volume and ownership proportions move simultaneously. The point that actual flows after trading begins are key is repeatedly mentioned.

Overall, the reports say that a large IPO pipeline is unlikely to shake the market's total market capitalization all at once, but changes in index composition and the concentration of large-cap stocks are variables that warrant attention. The market reaction is expected to be observed in the actual listings and initial trading. Stakeholders need to check the public float structure at the time of listing.

Sources: Investing.com

Bullstory synthesized this report from the linked sources. AI may have assisted the writing process. Check the original reports for factual confirmation.