David Tepper’s Appaloosa sells AI memory stocks while loading up on Magnificent Seven in the second quarter
Appaloosa Management, led by David Tepper, increased its Amazon stake by over 15% to nearly $1.2B in Q2, and expanded positions in Meta (+~55% to ~$380M), Alphabet (+~7% to ~$661M), and Apple (new position >$241M), per regulatory filings. It cut Micron by >41% to ~$1.125B and exited SanDisk (> $400M).
How this was made

The 30-second read
Why it matters
This is a high-profile 13F-style portfolio disclosure. It can move sentiment and short-term positioning, especially for AI-memory traders, but it does not introduce new company fundamentals or guidance.
Market read
Traders may use the disclosed rotation as a sentiment input for AI platform vs AI-memory exposure, but the lack of new fundamentals limits tradability.
What to watch
The article does not provide cost basis, timing within the quarter, or whether the manager re-allocated into other memory names; traders should not treat it as a direct fundamental forecast.
Background
The piece frames Appaloosa’s Q2 activity as positioning around the AI rally, contrasting megacap tech adds with reductions in memory chip exposure.
Ticker impact
Appaloosa expanded its Amazon stake by more than 15%, lifting it to nearly $1.2B, per regulatory filings released Friday.
Mild positive bias for AMZN sentiment; limited standalone price impact expected.
The article cites a sizable stake increase from filings, but provides no new Amazon-specific operational or guidance change.
Appaloosa widened its Meta Platforms position by almost 55% to about $380M in the second quarter.
Slight positive read-through for META, likely short-lived without additional fundamentals.
The disclosed fact is the stake change magnitude; the article does not add new Meta product, earnings, or regulatory developments.
Appaloosa added nearly 7% to its Alphabet holding, bringing value to more than $661M, according to regulatory filings.
Low-to-moderate positive sentiment impact; not expected to move the stock materially alone.
Stake value and direction are clear, but there is no new Alphabet-specific catalyst in the text.
Appaloosa created a position of more than $241M in Apple in the latest quarter.
Neutral-to-slight positive near-term sentiment impact.
The article provides the size of the position, but no Apple-specific event or guidance change.
Appaloosa cut its Micron Technology position by more than 41%, even though Micron remained its second-largest holding at about $1.125B.
Potentially negative sentiment for MU, especially for traders leaning on AI-memory momentum.
The article discloses a large trim and ties it to memory-stock drawdown context, but does not provide new Micron fundamentals.
Appaloosa zeroed out a stake worth more than $400M in Sandisk, after the memory stock tumbled nearly 28% in the third quarter.
Negative sentiment bias for SNDK; likely limited impact without company-specific news.
The key fact is the stake elimination, but the article does not cite new SanDisk operational or guidance changes.
Appaloosa created a Boeing position worth about $173M outside of tech.
Low impact; any move would likely be sentiment-driven only.
The disclosed fact is portfolio sizing, not a new contract, earnings, or regulatory event.
Appaloosa created an American Airlines position worth about $136M outside of tech.
Minimal standalone price impact expected.
The article only states position size, without new operational, guidance, or regulatory developments.
Market effects
Reinforces a rotation narrative within AI supply chain, from memory chips toward megacap platforms.
No clear regional-specific implications beyond US-listed equities.
AI hardware demand remains the backdrop, but the article is primarily about portfolio positioning.
Counterpoint
The trims could be driven by risk management or liquidity needs rather than a bearish view on AI-memory fundamentals.
Key entities
- hedge fundDavid Tepper’s Appaloosa Management
Disclosed Q2 portfolio changes via regulatory filings, including adds to megacap tech and trims/exits in memory stocks.
- public companyMicron Technology
Appaloosa trimmed its stake by more than 41% while still holding it as a top position.
- public companySandisk
Appaloosa reportedly zeroed out a stake worth more than $400M.




