As Anthropic moves closer to a public listing, Commonwealth Bank of Australia is standing at the threshold of a potentially massive windfall.
The carrying value of CBA's stake in Anthropic has surged from an initial A$153 million to A$1.53 billion, a nearly tenfold increase within a single year. According to Bloomberg estimates, if Anthropic ultimately completes a listing at a US$2 trillion valuation, the value of CBA's holding could climb further to roughly A$3.2 billion, making Australia's largest bank a rare banking-sector winner in this AI unicorn's IPO.
This paper gain stems from CBA's participation in Anthropic's Series E funding round in March 2025. At that time, the cost of the investment was approximately US$107 million. Anthropic subsequently completed a new funding round in May this year, lifting its latest valuation to US$965 billion, which drove a substantial revaluation of CBA's stake. It is worth noting that the Bloomberg estimates are rough calculations and do not account for potential equity dilution from the IPO, nor do they reflect any potential changes in CBA's holding since the release of its annual report in August this year.
CBA's relationship with Anthropic goes beyond a financial investment. The two parties have established a business partnership to jointly advance the application of AI in banking operations, covering anti-fraud and anti-scam scenarios. This month, CBA also announced that some of its software engineers will participate in a new program designed by Anthropic to enhance AI skills.
A low-key early bet
CBA participated in Anthropic's Series E funding round in March 2025, with the equity value disclosed at the time of investment standing at approximately A$153 million (about US$107.5 million). This timing preceded the sharp jump in Anthropic's valuation, allowing CBA to establish its position at a relatively low valuation.
As of June 30 last year, the value of the holding remained at the level disclosed at the time of investment. However, after Anthropic completed a new funding round in May this year, its valuation rose to US$965 billion, and CBA promptly adjusted the value of the holding to A$1.53 billion in its revaluation at the end of June this year, representing a book gain of about tenfold within one year.
According to Bloomberg estimates, if Anthropic lists at a US$2 trillion valuation, CBA's stake would be worth approximately A$3.2 billion at that time, more than doubling again from the current carrying value.
It should be noted that the above estimates involve several uncertain factors:
First, IPOs typically involve the issuance of new shares, which would dilute existing shareholders' ownership stakes, and the estimates do not take this into account; second, there is no public disclosure as to whether CBA has adjusted its holding since the release of its annual report in August this year; and third, Anthropic's final IPO valuation remains subject to considerable uncertainty.
Nevertheless, the figures are enough to show that CBA's return potential on this AI investment stands out notably among global banks. Bloomberg data shows that among institutional investors known to have participated in Anthropic's funding, bank shareholders are uncommon — in February this year, Anthropic publicly disclosed that JPMorgan Chase participated in its Series G funding round, while CBA's Series E holding makes it one of the few banks with direct exposure to Anthropic's equity.
A deepening tie beyond investment
CBA's relationship with Anthropic has moved beyond a purely financial investment, with the two sides forming a closer partnership at the business level.
In terms of application scenarios, CBA is leveraging Anthropic's AI capabilities to accelerate its internal digital transformation, with key focus areas including identifying and preventing financial scams and fraud. This month, CBA further announced that some of its software engineers will join an AI skills enhancement program specially established by Anthropic, showing that the cooperation between the two sides is extending into talent development.
In terms of industry positioning, CBA's leadership in AI deployment has gained external recognition. According to the Evident AI Index, which assesses the level of AI adoption among global banks, CBA ranks fourth worldwide and is the only bank from the Asia-Pacific region in the top ten.
CBA Chief Executive Officer Matt Comyn holds a cautiously optimistic view of AI. He said in May this year that AI will bring accelerated career development opportunities for some employees, but he also acknowledged that pressure for job cuts will be a reality.
"Some career paths will evolve faster because of the use of AI, allowing people to take on more complex work earlier. This will create opportunities for many, but it will be a challenge for everyone. An employer of our scale has a responsibility to avoid offering false comfort and to give employees the best possible chance to adapt."
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