To Free or Not to Free (Cash Flow)

Morgan Stanley

Michael Mauboussin, Dan Callahan

Research

27 Pages

Michael Mauboussin argues that negative free cash flow can be desirable, not a warning sign, as long as a company reinvests at returns above its cost of capital. He shows how surging AI spending has pressured hyperscaler cash flow while returns stay above 8%.

Key Takeaways

FCF swings sharply: Combined hyperscaler FCF falls from $170 billion in Q1 2024 to a projected -$265 billion trough in Q3 2027.
Returns remain elevated: Combined ROIIC peaked near 40% in Q1 2026, is forecast to trough around 23% in Q3 2027, versus roughly 8% WACC.
Capex estimates jump: Alphabet’s 2027 capex estimate rose $210 billion versus the prior-year consensus snapshot, Amazon’s $142 billion, and Microsoft’s $116 billion.
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