Just 12 days after SpaceX filed its S-1 registration statement with the U.S. Securities and Exchange Commission, another private-market giant has taken its first formal step toward the public markets.

Anthropic announced Monday that it has confidentially submitted a draft registration statement on Form S-1 to the SEC for a proposed initial public offering.

On the surface, the two companies couldn’t be more different.

SpaceX is building rockets, satellites and what could become the world’s most valuable communications network through Starlink. Anthropic is building large language models and competing with OpenAI, Alphabet Inc‘s (NASDAQ:GOOGL) (NASDAQ:GOOG) Google and others in the race to develop advanced artificial intelligence.

But on Wall Street, they may soon be competing for something much more important: investor attention.

The Battle For The Next Growth Dollar

For years, investors have searched for the next transformative technology company after Nvidia Corp‘s (NASDAQ:NVDA) historic rise.

SpaceX immediately emerged as one of the market’s most anticipated listings when it filed its S-1 in May. The company offers investors direct exposure to commercial spaceflight, satellite communications, launch infrastructure and Starlink, a business many bulls believe could ultimately be worth more than the rocket company itself.

Now Anthropic is entering the conversation.

The AI startup sits at the center of one of the hottest investment themes in the world. Artificial intelligence has driven trillions of dollars in market value creation over the past several years, turning Nvidia into one of the world’s most valuable companies and helping fuel massive spending by Microsoft Corp (NASDAQ:MSFT), Amazon.com, Inc (NASDAQ:AMZN) and Alphabet.

Anthropic gives investors something they currently have very little access to in public markets: a pure-play frontier AI company.

AI Versus Space

The real challenge for SpaceX may not come from another space company.

It may come from AI.

Both Anthropic and SpaceX are likely to attract the same type of investor: growth-oriented buyers searching for companies capable of dominating industries that may look dramatically different a decade from now.

One offers exposure to the intelligence layer of the future economy. The other offers exposure to the infrastructure layer.

Both have credible paths toward trillion-dollar valuations.

That creates an unusual situation. Rather than asking whether investors want AI or space, Wall Street may soon be forced to decide which opportunity deserves a larger share of its capital.

A New IPO Rivalry Emerges

The market is large enough for both companies to succeed.

But investor enthusiasm is not unlimited.

For weeks, SpaceX has dominated discussions around the next great public-market opportunity. Anthropic’s filing changes that dynamic.

The company is still early in the IPO process, and there is no guarantee when its offering will occur. Yet the message from Monday’s announcement was clear: one of the most important private AI companies in the world is preparing for life as a public company.

SpaceX may still be the market’s most talked-about IPO.

But Anthropic just gave investors another future worth betting on.

Image created using AI via ChatGPT