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Big four banks bankroll Blackstone’s purchase of HSBC’s $36b loan book

Reported by Afr
Aug 2, 2026· 2 min read
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Key Takeaways
  • • Blackstone is acquiring HSBC Australia's $36 billion loan book in a record-setting securitisation transaction, with Australia's big four banks (including ANB and NAB) providing senior debt financing of $30 billion-plus to fund over 90% of the deal.
  • • This represents Australia's largest-ever securitisation transaction, underscoring the scale of alternative asset manager activity in Australian residential mortgage markets and the pivotal role of traditional banks in financing alternative capital deployments.
  • • NAB conducted months of due diligence during the competitive auction process before securing a lending role, demonstrating both the competitive tension around the asset and the due diligence intensity required for transactions of this magnitude.
  • • The $1.85 trillion Blackstone is leveraging its scale and access to capital markets to acquire mortgage assets at a time when traditional lenders continue to offload portfolios, reflecting broader industry consolidation trends.
Summary
Blackstone, the $1.85 trillion private capital powerhouse, is acquiring HSBC Australia's $36 billion loan book in what marks Australia's largest-ever securitisation transaction. The Australian Financial Review reports that Australia's big four banks have been instrumental in financing the deal, with ANZ and NAB among the lenders providing senior debt to underwrite the acquisition.

The financing structure reveals the scale and complexity of the transaction. Blackstone has secured $30 billion-plus in senior debt, representing more than 90% of the purchase price. This reliance on bank financing underscores both the magnitude of the asset pool and the critical role traditional lenders continue to play in enabling alternative capital flows, despite their own portfolio reductions.

NAB's involvement is particularly notable given its intensive participation in the sales process. The bank spent months conducting due diligence during the competitive auction for HSBC's mortgage portfolio before ultimately joining the lending consortium. This dual role—as both a potential buyer and eventual lender—reflects the complex market dynamics surrounding high-quality loan asset sales in Australia's residential mortgage sector.

The transaction exemplifies a broader trend of traditional banks exiting or rightsizing mortgage portfolios while simultaneously facilitating acquisitions by alternative asset managers. Blackstone's capacity to access large-scale senior financing enables it to move aggressively on marquee assets, and Australian institutional lenders appear willing to provide financing support for transactions that reduce concentration risk in their own portfolios while deploying capital into structured credit products.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Afr Big four banks bankroll Blackstone’s purchase of HSBC’s $36b loan book