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Burry's Oracle short rests on $261bn of leases that have not started
Michael Burry's latest Substack post puts Oracle's off-balance-sheet data centre lease commitments at $261bn, which is 2.9 times the revenue the company has guided for the full year. He is short the stock.
The Investor · Invest desk

What happened
- Michael Burry published a Substack post on September 19 titled "The Heretic's Guide to AI's Stars Part IV: The Big 5 Hyperscalers & the Missing $3 Trillion."
- Working through the 10-K and 10-Q filings of Amazon, Meta, Alphabet, Microsoft and Oracle, he puts Oracle's disclosed off-balance-sheet data centre lease commitments at $261bn, much of it for leases not yet begun.
- Oracle reported fiscal first-quarter 2027 results on September 10 with cloud infrastructure revenue of $7.39bn, up 121% on the same quarter a year earlier.
- The company raised full-year revenue guidance to at least $90bn after that report, and its share price fell.
- S&P downgraded Oracle to BBB- in July 2026, citing high leverage from the company's substantial AI investments.
Compiled by The InvestorSomething wrong?How this is made
Why it matters
- decision Anyone underwriting the 121% growth rate has to decide whether payments on buildings that are not yet operating are matched by signed customer terms, and the revenue line does not answer that.
- constraint One further downgrade takes Oracle's paper below investment grade, and the funds barred from holding junk are the ones that would have to sell it.
- cost The lease payments fall due on a landlord's schedule while the revenue to cover them waits on customers taking capacity that does not exist yet. The shareholder carries the timing gap.
- contradiction Burry calls the money missing, but the $261bn came out of Oracle's own disclosure, so his argument is about where analysts look.
Oracle's cloud infrastructure segment booked $7.39bn in the quarter it reported on September 10, which annualises to about $29.6bn, so $261bn of lease commitments comes to roughly 8.8 years of the revenue those buildings are meant to produce [5][14][3][15].
The 121% came off a small base. A year earlier the same segment did about $3.34bn in the quarter, so the increase added roughly $4.05bn of quarterly revenue [16]. Annualised, cloud infrastructure is about a third of the $90bn Oracle has now guided for the year [17][7].
Many of the leases have not commenced, according to Burry's reading of the filings [4]. Oracle owes payments on facilities that are not operational and not generating revenue [4]. Operating leases kept off the balance sheet can carry enormous future cash obligations without drawing the scrutiny that borrowed money draws, and Burry says most analysts skip that part of a filing [10]. So the 121% and the $261bn describe two different moments: the revenue comes from buildings that exist, the obligations attach to buildings still to come [5][4]. Burry's post argues there may be trillions of such commitments across the five hyperscalers, and its title names $3 trillion [11][1].
S&P reached the leverage question in July 2026, before the quarter that printed 121% growth [8][5].
Burry, who bet against the housing market before the 2008 crisis, holds short positions against Oracle [12][9]. The position and the accounting argument point the same way. The $261bn came out of Oracle's own filing. The durations and counterparties behind Oracle's contracted capacity are not in this account. The case against the short is simple enough: a lease that has not commenced is an obligation on a delivery schedule, and if the capacity behind it is already contracted to customers for a matching term at decent credit, the payments are covered before the facility is operating.
What to watch
- Oracle's next quarterly filing, and whether the $261bn commitment figure rises or converts into commenced leases on the balance sheet.
- Any further S&P move on Oracle's rating, and what leased capacity costs the company afterwards.
- Whether Burry publishes company-level figures for Amazon, Meta, Alphabet and Microsoft to support the $3 trillion in his title.