David Tepper's Appaloosa Management has about 31% of its public equity portfolio in Micron Technology and Amazon. Micron's fiscal Q4 2026 revenue soared 379% to $54.2 billion, with a non-GAAP gross margin of 87%, but Appaloosa cut its stake by about 41% in Q2, leaving it at 15.06% of the portfolio. Some projections suggest the memory chip shortage could last at least through 2028, while Micron trades at just 7x forward earnings versus an average of 19.7x for information technology stocks. Amazon is Appaloosa's largest holding at almost 16% of the portfolio, and the fund increased its stake by about 15.7% in Q2. Amazon's Q2 revenue rose 20% to $200.6 billion, with AWS net sales of $42.2 billion (up 37%), and capex guidance was raised to $220 billion from $200 billion.
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Related tickers and likely impact
NVDA
▲ Likely positiveNvidia
Relevance: low
| Market | US stocks |
|---|---|
| Sector | Information Technology |
| Industry | Semiconductors |
| Market cap | $5.2T |
| Close on 10/19/2026 | 217.09 |
| Change that session | +1.38% |
Impact is scored by AI from the headline and may be wrong. It is not investment advice.
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