Firmus withdrew its proposed Australian Securities Exchange (ASX) listing after demand fell short at its desired terms. Maas Group shares then fell sharply, but the reported share-price decline is not proof that Maas lost $700 million in cash or sold its Firmus stake. The available reports do not establish the currency, dates or calculation behind the headline figure.
What happened to Firmus’s proposed IPO?
Firmus withdrew its application to list on the ASX. Its proposed offer had been marketed at A$11 a share, implying a reported value of about A$44 billion. The company said it would pursue private-market capital and consider other public- and private-market options. The proposed IPO did not proceed on those terms. Forbes Australia reported the withdrawal and quoted the board saying it had concluded that proceeding with the offer was not in the company’s and shareholders’ best interests.
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That proposed IPO value should not be treated as equivalent to a private funding-round valuation. Forbes reported a Firmus valuation of A$1.85 billion in a September 2025 funding round and US$10.5 billion in an August 2026 round. The proposed IPO value was reported in Australian dollars, while the August 2026 figure was in US dollars; the dates and financing contexts also differ. These figures describe different transactions, not a simple like-for-like change in value. Forbes Australia’s IPO coverage provides the reported comparisons.
Why did Firmus withdraw?
Current reporting points to insufficient investor demand at the desired terms, alongside questions about valuation, operating readiness and forecasts tied to facilities still being built. Analysts also cited uncertainty about investment in AI infrastructure. These are reported explanations and analysis, not evidence that any single factor alone caused the withdrawal. ABC News covered the failed float and analyst views; Jun Bei Liu of Ten Cap Investment said the valuation was too high, while Philip Wool of Reliance Investment Research described the timing as coinciding with “AI anxiety.”
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What the Maas share-price figures actually measure
Maas Group was reported to hold a 3.2% stake in Firmus. Investing.com reported that Maas shares fell 23% in one session, wiping roughly A$550 million from the company’s market capitalisation. Forbes Australia separately reported that Maas shares had fallen 37% over five days. Those figures use different periods and measures, so they should not be combined or treated as the same loss. Investing.com reported the one-session move, while Forbes Australia reported the five-day decline.
A company’s market capitalisation is the value implied by its quoted share price and share count. When the price falls, that quoted market value falls too; the change does not by itself show that the company sold an asset or booked a realised loss. The cited reports describe Maas’s share-price reaction but do not establish that it sold its Firmus holding.
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The title’s $700 million figure cannot be reconciled to the figures in the cited coverage: the reports do not establish its currency, exact start and end dates, or calculation. It should therefore be read as a headline claim, not as a verified cash loss or a confirmed reduction in the value of Maas’s Firmus holding.
Maas’s connection to Firmus goes beyond its investment
Firmus announced on February 5, 2026 that Maas Group Holdings had made a strategic equity investment. The announcement also described Maas subsidiary JLE as an electrical and electrification partner in Firmus’s Australian AI-factory supply chain, with local manufacturing for components including cooling, power and integrated systems. Those are Firmus’s statements about the relationship; they do not independently establish the current value of Maas’s stake. Firmus’s announcement is the primary source for what the company said.
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