Wall Street Wunderkind Gambles $11 Billion On Chips, Gets Roasted in July
KEY POINTS
- •Leopold Aschenbrenner, founder of hedge fund Situational Awareness, owned over $11 billion combined in SanDisk and Micron in late June 2026.
- •The fund quintupled its stock holdings from $4 billion to over $20 billion in the second quarter, focusing heavily on memory and chip companies.
- •After a sharp AI stock sell-off in July, the portfolio dropped 67%, forcing Aschenbrenner to liquidate most public positions to Citadel.
Leopold Aschenbrenner, once a Columbia valedictorian & OpenAI whiz kid, put $5.7 billion on SanDisk and $5.6 billion on Micron, turning Situational Awareness into a one-man Silicon Valley casino by June 30. In a show of jaw-dropping confidence or majestic hubris, his direct stock stash skyrocketed fivefold from $4 billion to over $20 billion Q1 to Q2, mainly by hoarding memory chips and ramping up TSMC to 2.6 million shares. He chopped protective puts from 11 to a lone, meager one, basically refusing insurance while riding a rollercoaster built for an AI boom—until July unmasked the meltdown, slamming those stocks down 47% and 29%, forcing him to offload spectacularly to Citadel's Ken Griffin. The hedge fund went from 1,000% gains to a 67% nosedive, proving that even AI prodigies can facepalm hard enough to bruise hedge fund egos.
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(1 of 3)When your $45B AI hedge fund doubles down on SanDisk and Micron like it’s poker night, then July wipes your chips out. Leveraged to hell, good luck calling that a 'calculated risk.'
Leopold bet billions on memory chips, bought ride tickets to the AI hype coaster, then lost his seat circling the July dip.
Remember when doubling your chip stakes meant blackjack? For Leopold, doubling 2.5M SanDisk shares meant double trouble and a Citadel bailout.
Source: Businessinsider | Published: 8/17/2026 | Author: Theron Mohamed
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