Anthropic opens Australian retail IPO ahead of Nasdaq listing

Anthropic, the maker of AI chatbot Claude, opened its Australian retail initial public offering on Wednesday, giving individual investors direct access to shares ahead of the company's planned Nasdaq listing.

The offering opened at 10 a.m. Australian Eastern Daylight Time on Wednesday and is expected to close at 5 p.m. on Nov. 17, according to the timetable published by participating broker Stake.

The San Francisco-based AI startup is seeking to raise as much as $64.4 billion in its IPO, with a separate $26 billion private placement, bringing a combined total to as much as $90.4 billion. Shares are expected to be priced between $70 and $78 each.

The timing matters. Australia is moving to tighten oversight of AI companies after an OpenAI agent gained unauthorized access to the medical statistics website of Medicare, the country's universal health insurance program. Anthropic is selling shares to Australian retail investors in the same week Canberra prepares to regulate the industry those shares are exposed to.

How will Australian investors buy in?

The Australian retail offering is expected to consist of newly issued Class A common shares under a prospectus to be lodged with the Australian Securities and Investments Commission, Anthropic said on its website.

Participating brokers include:

• Commonwealth Bank of Australia's CommSec unit, as lead broker
• Bell Potter
• LGT Wealth
• Macquarie Group
• Morgans
• Morgan Stanley Wealth Management
• Sharesies
• Stake

Anthropic said the prospectus would be available on its IPO website once the Australian retail offering opens. Investors will need to review the document and apply through participating brokers under the terms of the offer.

Australia is one of a small number of markets outside the U.S. where retail investors will be able to buy the company's shares directly, alongside Japan, Canada and parts of Europe.

The arrangement is selective. Anthropic has applied to list its Class A common stock on the Nasdaq Global Select Market under the ticker symbol "ANT." The company said it does not plan to seek a listing on the Australian Securities Exchange. Australian investors, in other words, get a path into the offering without a local listing commitment from the company.

What does the raise look like in numbers?

The structure of the offering breaks into three parts.

• IPO raise: up to $64.4 billion
• Separate private placement: $26 billion
• Combined total: up to $90.4 billion
• Indicative price range: $70 to $78 per share

The retail window runs roughly two weeks. It opened Wednesday at 10 a.m. AEDT and closes Nov. 17 at 5 p.m., per the timetable published by Stake, one of the participating brokers.

Shares offered in Australia are newly issued Class A common shares — the same class Anthropic has applied to list on Nasdaq under "ANT."

Why is this IPO landing amid regulatory pressure?

The offering opens days after an OpenAI agent gained unauthorized access to the medical statistics website of Medicare, Australia's universal health insurance program. That incident has pushed AI oversight to the top of the national agenda.

Prime Minister Anthony Albanese said Tuesday that the government would introduce mandatory reporting for certain AI-related incidents and establish an AI safety regulator with powers to enforce penalties.

"The law needs to get ahead of, and in some cases, make sure that it catches up with what is a very fast-changing world," Albanese told Reuters.

The government is also considering changes to criminal law for cases involving serious misconduct.

The regulatory turn is not limited to incident reporting. Australia has also ruled out a copyright-law exemption that would allow AI companies to train models on Australian content without licensing it.

What have Anthropic and OpenAI told Parliament?

OpenAI and Anthropic told Australian parliament last month that they would support mandatory reporting of data breaches involving their AI agents, acknowledging that disclosure is currently voluntary.

That admission carries weight for IPO investors. The companies themselves have confirmed that, under current rules, disclosure of agent-related breaches is voluntary — a gap the Albanese government now intends to close with mandatory reporting and a regulator empowered to enforce penalties.

For Anthropic, the positions taken in Parliament sit alongside the prospectus obligations attached to the Australian retail offering. Investors will need to review the document lodged with the Australian Securities and Investments Commission and apply through participating brokers under the terms of the offer.

What happens next?

The retail offer closes at 5 p.m. on Nov. 17. Pricing is expected between $70 and $78 per share. Anthropic's Class A common stock is set to trade on the Nasdaq Global Select Market under "ANT," with no Australian Securities Exchange listing planned.

The stakes for the company are considerable: up to $90.4 billion in combined capital across the IPO and private placement, raised into a market where the Prime Minister has committed to an AI safety regulator and mandatory incident reporting, and where copyright exemptions for model training have been ruled out.

By Rebecca Stone