Nvidia-backed Firmus scraps $5 billion Australia IPO

By Splitfeed EditorialLast updated Oct 9, 2026, 09:50 UTC

On October 9, 2026, Firmus, an AI company backed by Nvidia, cancelled a planned $5 billion initial public offering on the Australian stock exchange. The scrapped listing was reported across multiple outlets on the same day, with some framing the collapse as a consequence of broader market instability and others pointing specifically to growing investor skepticism about how AI companies are valued at the point of listing. Separately, Lumentum, another Nvidia-backed company, disclosed on the same date that its optical components used in AI servers are fully sold out through 2029, a sign of robust underlying hardware demand.

The two stories together expose a tension that has been building inside the AI sector. Demand for the physical infrastructure that runs AI, chips, servers, optical interconnects, remains exceptionally strong by the measures suppliers like Lumentum are reporting. But translating that demand into public equity valuations is proving far harder. A $5 billion listing in Australia would have been a significant milestone for an AI-linked company outside the United States, and its cancellation raises questions about whether public markets are willing to price AI businesses at the levels their backers expect, even when the sector's hardware order books are full. The specific cause of Firmus's decision has not been confirmed in detail, leaving genuine room for dispute over whether this reflects a company-specific problem, a regional market issue, or a wider cooling of appetite for AI public offerings.

None of the three camps have published reactions to this story yet. The Pro-AI camp would typically argue that a single cancelled IPO says nothing about the sector's fundamentals, pointing to Lumentum's sold-out capacity as the more telling data point. The Anti-AI camp would be expected to read the Firmus collapse as evidence that the hype driving AI valuations is beginning to meet the discipline of public markets, where scrutiny is harder to avoid than in private funding rounds. The Middle Ground camp would likely treat the two developments as consistent with each other, arguing that strong infrastructure demand and uncertain equity valuations can coexist, and that the real question is whether AI companies can demonstrate revenue and margin profiles that justify the prices their backers want.

The argument will sharpen if Firmus announces a revised listing timetable, a reduced valuation target, or a pivot to a different exchange. Any shift in how Lumentum's sold-out order book converts into reported earnings in coming quarters would also give both sides fresh material to work with.