Plato's Allen says Anthropic has 14 red flags

Plato's David Allen identifies 14 red flags at Anthropic, raising concerns over AI valuations.
David Allen at the Sohn Hearts & Minds Conference Investment Conference in Queenstown.

Alex Gluyas

Plato's Allen says Anthropic has 14 red flags

November 6, 2026
Plato's David Allen identifies 14 red flags at Anthropic, raising concerns over AI valuations.
Read Transcript

Plato Investment Management’s head of long/short strategies David Allen has warned that artificial intelligence giant Anthropic presents 14 red flags and could make an attractive short. 

‍

Allen, who runs Plato’s $6 billion Global Alpha Fund, urged investors to look beyond the hype surrounding Anthropic, warning that the artificial intelligence company’s potential blockbuster initial public offering carries significant financial risks. 

‍

Plato uses a proprietary red flag system to help the hedge fund identify companies to either avoid or short, which is a bet that a share price will fall. On Australian neocloud Firmus, which was forced to pull its IPO, Plato identified 30 so-called red flags. 

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Plato has found that eight or more red flags typically resulted in a stock underperforming the benchmark by 20 per cent over the next 12 months. 

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Allen acknowledged the Californian startup’s investor appeal, pointing to gross margins of about 85 per cent and “eye-watering” revenue growth. But he said the other side of the balance sheet deserved closer scrutiny. 

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His biggest concern is about $US900 billion in largely locked-up commitments, set against revenue streams that are relatively short-term and variable. 

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He also questioned the company’s lofty growth expectations, including its claimed $US40 trillion total addressable market – larger than the $US32 trillion US economy. 

‍

Allen flagged concerns about the potential credit quality of its debt, noting BlackRock’s warning that it could be junk-rated, as well as Anthropic’s own disclosures about the potential existential risks posed by its technology. 

‍

“I don’t know if Anthropic is going to be a wonderful success or a terrible investing failure,” he said.

‍

This article was originally posted by Australian Financial Review here.Licensed by Copyright Agency. You must not copy this work without permission.

Plato Investment Management’s head of long/short strategies David Allen has warned that artificial intelligence giant Anthropic presents 14 red flags and could make an attractive short. 

‍

Allen, who runs Plato’s $6 billion Global Alpha Fund, urged investors to look beyond the hype surrounding Anthropic, warning that the artificial intelligence company’s potential blockbuster initial public offering carries significant financial risks. 

‍

Plato uses a proprietary red flag system to help the hedge fund identify companies to either avoid or short, which is a bet that a share price will fall. On Australian neocloud Firmus, which was forced to pull its IPO, Plato identified 30 so-called red flags. 

‍

Plato has found that eight or more red flags typically resulted in a stock underperforming the benchmark by 20 per cent over the next 12 months. 

‍

Allen acknowledged the Californian startup’s investor appeal, pointing to gross margins of about 85 per cent and “eye-watering” revenue growth. But he said the other side of the balance sheet deserved closer scrutiny. 

‍

His biggest concern is about $US900 billion in largely locked-up commitments, set against revenue streams that are relatively short-term and variable. 

‍

He also questioned the company’s lofty growth expectations, including its claimed $US40 trillion total addressable market – larger than the $US32 trillion US economy. 

‍

Allen flagged concerns about the potential credit quality of its debt, noting BlackRock’s warning that it could be junk-rated, as well as Anthropic’s own disclosures about the potential existential risks posed by its technology. 

‍

“I don’t know if Anthropic is going to be a wonderful success or a terrible investing failure,” he said.

‍

This article was originally posted by Australian Financial Review here.Licensed by Copyright Agency. You must not copy this work without permission.

Disclaimer: This material has been prepared by Australian Financial Review, published on November 6, 2026. HM1 is not responsible for the content of linked websites or content prepared by third party. The inclusion of these links and third-party content does not in any way imply any form of endorsement by HM1 of the products or services provided by persons or organisations who are responsible for the linked websites and third-party content. This information is for general information only and does not consider the objectives, financial situation or needs of any person. Before making an investment decision, you should read the relevant disclosure document (if appropriate) and seek professional advice to determine whether the investment and information is suitable for you.

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