Wes Maas’s listed company, Maas Group, continues to face significant investor scrutiny amid uncertainty surrounding the broader data centre sector and the fallout from the failed initial public offering (IPO) of Firmus, a related firm led by Oliver Curtis. Despite backing from prominent supporters, including retail billionaire Gerry Harvey and Geoff Wilson’s fund stable, Maas Group remains a focal point for hedge funds and short-sellers as questions persist about its financial strength and growth prospects.

The Maas Group, valued at approximately $1.3 billion, is increasingly viewed by some market participants as a proxy for exposure to Firmus, which recently announced plans for a private funding round in Europe. According to Ron Shamgar, head of Australian equities at TAMIM Asset Management, investors who cannot short Firmus directly might target Maas Group shares to express negative sentiment toward Firmus. This dynamic adds to the volatility in Maas Group’s stock price.

Maas Group’s share price has been partly supported by an aggressive share buyback program, which CEO Wes Maas indicated would continue despite a shrinking cash reserve. Analysts caution that the stock may decline significantly if the buyback program were to be paused, as it has effectively propped up the share price amid ongoing market pressures. One anonymous analyst noted that price fluctuations are likely to persist, with uncertainty around the company’s dealings with Firmus, including a deal valued at over $855 million, contributing to investor wariness.

The company’s share register remains tightly held, with Wes Maas and his wife Emma controlling more than 55 percent of shares, currently valued around $676 million, down from nearly $1.13 billion a month ago. Other significant shareholders include National Machinery founder David Rooke and his wife Leesa, alongside development director Damien Porter, collectively holding about 7 percent.

Since Firmus’s failed IPO last month, market sentiment has been shaky, reflecting broader concerns about funding availability and the viability of the Australian AI and data centre sectors, which previously attracted significant enthusiasm. Although there has been increased scrutiny, some insiders suggest that short-selling activity in Maas Group remains limited.

Maas Group’s recent sale of its construction materials business—encompassing quarries and cement plants—closed on October 1, bringing in upfront cash payments of $1.6 billion plus contingent payments. This transaction has garnered support from investors such as Wilson Asset Management, which increased its stake through its WAM Founders Fund, viewing infrastructure assets as a promising avenue for future growth.

Despite the heightened uncertainty following the failed Firmus float, brokers including Macquarie, Canaccord Genuity, CLSA, Morgans, and Moelis have maintained buy ratings on Maas Group shares. Market participants acknowledge that while technical challenges remain, underlying demand fundamentals in the infrastructure sector continue to show strength.