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Anthropic vs OpenAI: Which AI Company Wins the IPO Race?

Channel: MarketBeat Published: 2026-06-19 05:30
MarketBeat

The video argues that SpaceX’s early trading pop is being driven by a deliberate supply-demand imbalance from a small tradable float, and uses that as a template for what could happen in the next mega-IPOs from Anthropic and OpenAI. The speaker is bullish on both companies going public in Q4, with a slight edge to OpenAI on timing and a belief that both could list at extremely high valuations and trade well initially before later unlock-related volatility.

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Detailed summary

The core thesis is that the market is underestimating how powerful the IPO mechanics can be for frontier AI names. The speaker says SpaceX’s debut has been a “huge success” largely because only about 5% of the float is tradeable, creating a supply-demand imbalance that mechanically pushes the stock higher. In their view, this early trading pattern is not just a one-off; it is evidence that investors are willing to pay up for access to the most sought-after AI and space narratives, and it undermines the idea that these IPOs will simply become “a massive retail dump.” They then extend that logic to Anthropic and OpenAI. The speaker says Anthropic has filed confidentially with the SEC and is going public this year, likely in the fourth quarter, at a valuation above $1 trillion and perhaps closer to $1.5 trillion. …

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Main takeaways

  1. SpaceX’s early trading is presented as a proof-of-concept for scarce-float IPO demand.
  2. Anthropic is expected to IPO confidentially this year, likely in Q4.
  3. OpenAI is also expected to go public in Q4, with a slight timing edge possibly to OpenAI.
  4. The speaker thinks both frontier AI IPOs could see very high valuations, around or above $1.5 trillion.
  5. Unlocks and later float expansion are the main near-term risk to the bullish setup.
  6. The White House stake-taking comment is interpreted as more relevant to OpenAI than Anthropic.

Market read by horizon

Short term

Tactically, the trade looks driven by scarcity and headlines: low float and anticipated filings can keep these names bid, but unlocks and any delay in IPO timing are the near-term risks.

  • SpaceX’s tiny tradable float is creating immediate buying pressure and can keep the stock bid until unlocks change the supply picture.
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  • August unlocks are the first clear near-term risk for SpaceX because they may increase float and volatility.
  • For Anthropic/OpenAI, the immediate catalyst is whether filings and IPO timing move from rumor to concrete Q4 execution.
Mid term

Over the next few months, the base case is that Anthropic and OpenAI move closer to listing and attract strong demand if the AI narrative stays hot; that view weakens if float expands too quickly or valuations cool.

  • Over the next several weeks to months, the base case in the video is that both Anthropic and OpenAI move toward public listings in Q4.
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  • The setup is expected to remain favorable as long as investor appetite for direct frontier-AI exposure stays strong and scarcity persists.
  • A change in view would come if float expands faster than expected, if IPO timing slips, or if the market decides the valuations are too aggressive.
Long term

Structurally, the transcript argues that frontier AI model makers could become the defining public equities of the AI era, with scarcity and direct brand exposure commanding premium valuations over time.

  • The durable thesis is that frontier AI model makers may become the most sought-after public AI exposures, overtaking the simple app/infrastructure trade.
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  • If this plays out, IPOs of OpenAI and Anthropic could reset the market’s AI leadership conversation by concentrating value in the foundation-model layer.
  • The long-run implication is that scarcity and brand dominance may matter as much as near-term profitability for these companies’ public-market reception.
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Key claims (6)

BULLISH SpaceX

SpaceX's early post-IPO price surge is mechanically driven by supply-demand imbalance because only 5% of the float is tradeable.

The speaker explains that limited float creates buying pressure via basic supply-demand mechanics.

BULLISH AI

Both OpenAI and Anthropic will IPO in the fourth quarter of this year, with OpenAI likely going first.

The speaker believes both frontier AI companies are racing to IPO and expects Q4 for both.

BULLISH Anthropic

Anthropic will go public this year at a valuation of around $1.5 trillion.

The speaker cites Anthropic's confidential SEC filing and predicts a Q4 IPO at a massive valuation.

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Assets discussed (5)

SpaceX
BULLISH other

The speaker says the IPO has been a huge success and expects substantial upside, while noting later volatility from unlocks.

Anthropic
BULLISH other

The speaker expects Anthropic to go public this year and thinks the IPO could be a major success.

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Speakers

SPEAKER Bridget Bennett

Interview (2 Q&A)

ai ipo race

Which frontier AI company is likely to IPO first, OpenAI or Anthropic?

The guest says both companies may go public in the fourth quarter, but thinks OpenAI might beat Anthropic to market because it has a more competitive mindset. They place Anthropic later in Q4.

white house stake

Which company does the White House likely mean when it talks about taking a stake in frontier AI firms?

The guest argues the comment is really about OpenAI rather than Anthropic. They say the government dislikes Anthropic and that the talks are likely with Sam Altman and OpenAI.

Where this transcript pushes against consensus

  • The valuation claims are highly speculative and not tied to disclosed financials in the transcript.
  • The belief that both IPOs will be ‘massive successes’ is asserted more than demonstrated.
  • The claim that the government ‘hates Anthropic’ is unsupported in the transcript and sounds like inference.
  • Predicting a $1.5 trillion IPO valuation is extremely aggressive and not backed by cited fundamentals.
  • The interpretation of White House comments as clearly pointing to OpenAI is plausible but not proven.

Topics

SpaceX IPOAnthropic IPOOpenAI IPOfrontier AIshare unlocksfloat scarcitypublic market accessWhite House stake speculation

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