Burry Doubles Down on Semiconductor Shorts
TREE NEWS reports: Michael Burry, the investor made famous by his prescient bet against subprime mortgages, has significantly expanded his short positions against the semiconductor sector. In a Substack post, Burry disclosed he has added to bearish wagers on Micron Technology, AI infrastructure firm Nebius, the iShares Semiconductor ETF (SOXX), and Palantir Technologies, describing the scale of the operation as “quite large.”
The catalyst for the escalation: Acer CEO Jason Chen publicly warned that memory inventory is building and new supply will gradually hit the market, with price pressure expected to materialize around late 2027. Burry cited the interview as corroboration of his own thesis, writing that while interpreting the signal is “fraught with uncertainty,” its direction aligns with his judgment.
The Core Thesis: A Supply-Side Mirage
Burry’s argument rests on a distinction between structural demand and temporary supply dislocation. He contends that the recent memory shortage was never driven by a durable demand boom, but rather by a supply-side reallocation. Major manufacturers — Samsung, SK Hynix, and Micron — shifted substantial capacity from conventional DRAM to high-bandwidth memory (HBM) to satisfy AI data center demand, artificially tightening the market for standard memory.
As those manufacturers restore normal DRAM output and new capacity comes online across multiple regions, Burry believes the supply-demand gap will narrow and ultimately pressure prices downward. Chen’s warning that inventory is accumulating and suppliers are releasing more capacity challenges the prevailing narrative that the shortage will persist for years.
A Growing Short Portfolio
Burry’s bearish positioning has evolved over time. His Scion Asset Management established large put positions on Nvidia and Palantir in Q3 2025 before the fund was subsequently closed. In 2026, Burry continued and expanded the trade personally. In late June 2026, he shorted Nvidia, Applied Materials, and SOXX, rolling SOXX puts to March 2027. Two days later, he added Micron, establishing a direct short position at approximately $1,051 per share, explaining he chose outright shorting over puts because Micron’s option premiums were too expensive.
Market Implications
The immediate market reaction was dismissive. Micron shares rose more than 2% intraday, SOXX gained about 1.5%, and both Nebius and Palantir edged higher — meaning Burry’s short positions were underwater in the short term. Retail sentiment data from Stocktwits showed bullish readings for Micron and SOXX on the day Burry published, and Nebius also leaned bullish, with only Palantir showing bearish retail sentiment.
This divergence highlights the central tension in AI-linked semiconductor investing: the market is pricing in sustained demand growth, while Burry is betting on a classic commodity cycle turn. If he is right, the implications extend beyond individual stocks — a memory price decline would ripple through the broader semiconductor supply chain, potentially weighing on equipment makers like Applied Materials and pressuring the entire SOXX complex.
Key Takeaways for Investors
- Timing is the critical variable. Burry’s thesis hinges on when capacity expansion actually catches up with demand. Even if correct directionally, the trade could face significant mark-to-market pain before playing out.
- Watch memory pricing data. Contract prices for DRAM and NAND, inventory levels at major manufacturers, and capex guidance from Samsung, SK Hynix, and Micron will be the key signposts.
- Retail vs. institutional sentiment divergence. The gap between bullish retail positioning and Burry’s bearish bet suggests crowded optimism in AI semis — a condition that can amplify volatility if the narrative shifts.
- HBM vs. conventional DRAM. The distinction matters. Even if standard memory prices soften, HBM demand tied to AI accelerators could remain robust, creating a bifurcated market.




