Macquarie Securities Ordered to Pay $23 Million Over Years of Short Sale Misreporting

Key Takeaways

• $23 Million Penalty for Reporting Failures: The New South Wales Supreme Court ordered Macquarie Securities (Australia) Limited to pay about $23 million ($35 million AUD) for systemic failures that led to inaccurate short sale reporting over more than a decade.
• Hundreds of Millions of Trades Potentially Misreported: The Court found that at least 73 million short sales were incorrectly reported between December 2009 and February 2024, with ASIC estimating that between 298 million and 1.5 billion short sale transactions may have been affected.
• Systems and Control Deficiencies Identified: The misreporting was linked to significant weaknesses in the firm’s systems, supervisory policies, and risk management processes that remained undetected despite internal reviews.
• Misleading Conduct Finding: The Court ruled that Macquarie Securities engaged in misleading or deceptive conduct through the inaccurate reporting and failed to provide accurate regulatory data to market operators.
• Independent Systems Review Ordered: In addition to the financial penalty, the firm must appoint an independent expert to review its short sale reporting systems and regulatory reporting processes and pay ASIC’s legal costs.

Deep Dive

Macquarie Securities has been ordered to pay about $23 million ($35 million AUD) after Australia’s New South Wales Supreme Court found the firm responsible for years of inaccurate short sale reporting caused by failures in its internal systems and controls.

The penalty closes a long-running enforcement case brought by the Australian Securities and Investments Commission (ASIC), which alleged that the firm’s reporting failures stretched back more than a decade and affected hundreds of millions of trades.

According to the Court, Macquarie Securities failed to correctly report at least 73 million short sales between December 2009 and February 2024. ASIC estimates the broader scale of the issue could be significantly larger, with between 298 million and 1.5 billion short sales potentially misreported during that period.

Short sale data is closely watched by regulators and investors because it provides insight into market sentiment and potential trading risks. Accurate reporting, regulators say, is essential for maintaining transparency and trust in financial markets.

Failures That Persisted for More Than a Decade

The Court found that the inaccurate reporting was the result of serious deficiencies in Macquarie Securities’ systems, processes, and controls. Some of those issues remained undetected for more than ten years despite the firm conducting internal reviews.

ASIC Chair Joe Longo said the case illustrates how technical failures and governance gaps can compound when warning signs are missed.

“Regulators and investors rely heavily on short sale data to understand market conditions and identify emerging risks, particularly at times of market volatility and uncertainty,” Longo said.

“As one of the country’s largest financial services groups with significant reporting obligations, Macquarie should be setting the standard.”

Justice Nixon ultimately found that the firm had engaged in misleading or deceptive conduct through the inaccurate reporting and had failed to maintain adequate systems to ensure compliance with its regulatory obligations.

Court Finds Multiple Governance Failures

In his ruling, Justice Nixon concluded that Macquarie Securities had failed across several key areas of governance and oversight. The Court declared that the firm:

• Engaged in misleading or deceptive conduct in connection with the misreporting
• Failed to maintain adequate risk management systems
• Lacked appropriate supervisory policies and procedures
• Did not maintain the necessary organisational and technical resources
• Failed to provide accurate regulatory data to the market operator

The reporting failures affected short sale data provided to Australia’s two main equities trading venues, the ASX and Cboe Australia, potentially distorting information relied upon by traders, companies, regulators, and the wider public.

Impact on Markets and Surveillance

Justice Nixon said the inaccurate reporting had the potential to affect both market operations and regulatory oversight.

He noted that Macquarie itself acknowledged the conduct may have impacted the effective functioning of the ASX and Cboe Australia markets because short sale reports are widely used by investors and regulators to interpret trading activity.

The inaccurate data also had the potential to interfere with ASIC’s own market surveillance activities, which rely on reliable reporting to detect suspicious trading patterns and emerging risks.

Justice Nixon said the $23 million ($35 million AUD) penalty was intended to provide a meaningful deterrent.

“I am satisfied that a pecuniary penalty in the total amount of $35 million will provide the necessary sting or burden to achieve the objects of specific deterrence and general deterrence,” he said.

Independent Review Ordered

Beyond the financial penalty, the Court ordered Macquarie Securities to appoint an independent expert to review its short sale and regulatory reporting systems and processes. The firm must also pay ASIC’s legal costs.

Longo said the case underscores the importance of strong governance around regulatory reporting infrastructure.

“What we saw in this case was simply not good enough,” he said. “These are critical systems and controls that market participants need to be closely watching.”

ASIC said the decision reinforces expectations that firms operating in Australian financial markets must ensure their systems, governance frameworks, and reporting controls are robust enough to meet regulatory obligations, particularly when those systems underpin the transparency of the market itself.

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