Key Takeaways
- Michael Burry disclosed a short position in Micron (MU) at $1,051.87, describing the stock’s surge as fueled by “greater fool theory” and market FOMO.
- The legendary investor claims Micron operates in bubble conditions, citing poor capital returns and the company’s extreme cyclical volatility.
- Micron shares have soared more than 240% since early 2026, though they’ve declined approximately 10% in recent weeks.
- This Micron short forms part of Burry’s broader bearish stance on AI stocks, including Nvidia, Tesla, Applied Materials, Caterpillar, and the SOXX ETF.
- Simultaneously, Burry increased long holdings in PayPal, Sprouts Farmers Market, Zoetis, Fannie Mae, and Freddie Mac.
Michael Burry, the renowned hedge fund manager whose prescient bet against subprime mortgages was chronicled in “The Big Short,” has taken a direct short position against Micron Technology (MU), revealing the trade through his Substack newsletter.
Burry initiated his short at $1,051.87 per share. He explained that he chose a direct equity short rather than put options because option premiums were prohibitively expensive. However, he indicated plans to add protective puts should implied volatility decline.
Micron shares have exploded more than 240% since the beginning of 2026. Despite this remarkable run, the stock has retreated about 10% during the last month.
Burry characterized the rally as propelled by “fear of missing out, greater fool theory, and public commitment bias.” According to his analysis, MU currently trades further above its 200-day moving average than at any moment since 1984 — surpassing even the dot-com bubble extremes.
He emphasized Micron’s notorious volatility, noting the stock has experienced 34 separate drawdowns exceeding 30% over the past four decades. This historical pattern often gets overlooked during periods of euphoric sentiment.
Burry’s Case for Bubble Conditions
Burry’s fundamental thesis revolves around capital efficiency metrics. He characterized Micron’s return on invested capital and return on equity as “terrible,” asserting the company actually destroys shareholder value approximately one quarter out of every three.
He also highlighted enormous worldwide semiconductor investment as a warning sign rather than a positive catalyst. South Korea has unveiled a semiconductor development program exceeding $500 billion. Burry’s perspective: when capital floods an industry at this scale, generating genuine returns becomes increasingly difficult.
He drew parallels between today’s AI chip enthusiasm and the late-1990s internet boom, suggesting excessive capital is pursuing insufficient validated profitability.
Component of a Broader AI Bearish Strategy
The Micron trade represents just one piece of a larger portfolio strategy. Burry has been constructing what he terms an AI short basket.
Earlier this week, he announced short positions in Nvidia (NVDA), Applied Materials (AMAT), Caterpillar (CAT), Tesla (TSLA), and the iShares Semiconductor ETF (SOXX).
On the opposite side, Burry expanded bullish positions in PayPal (PYPL) at $45.31, Sprouts Farmers Market (SFM) at $89.33, Zoetis (ZTS) at $74.80, Fannie Mae (FNMA) at $6.15, and Freddie Mac (FMCC) at $5.69.
Micron’s stock declined approximately 5.5% on the day this disclosure became public.
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