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Burry exits public markets entirely; Aschenbrenner launches with institutional backing to short AI chips at cycle peak.
$200 million
at last disclosure
30x forward earnings
or higher on AI infrastructure narratives
40-60% correction
in semiconductor valuations once hyperscaler capex guidance moderates
8%
from February highs but still up
Michael Burry filed Form ADV-W with the SEC last week, formally de-registering Scion Asset Management and ending the firm's status as a registered investment adviser. The fund managed roughly $200 million at last disclosure. Burry provided no public commentary. The filing marks his third closure since the 2008 housing short that seeded his reputation—previous shutdowns occurred in 2013 and a brief 2019 pause. He has historically reopened with concentrated, counter-consensus positions. This time the exit coincides with Leopold Aschenbrenner, formerly of OpenAI's Superalignment team, filing 13F disclosures showing material short exposure to Nvidia and unnamed AI semiconductor manufacturers through his newly launched hedge fund.
Aschenbrenner's fund, which began allocating capital in Q4 2024, entered the market with put positions and direct shorts targeting companies trading at 30x forward earnings or higher on AI infrastructure narratives. Regulatory filings do not specify notional size, but the fund's structure—a multi-strategy vehicle seeded by former Bridgewater and Renaissance Technologies analysts—suggests mid-nine-figure initial capital. Aschenbrenner has published white papers arguing that AI compute demand will plateau by late 2025 as model scaling laws hit diminishing returns. His fund's thesis centers on a 40-60% correction in semiconductor valuations once hyperscaler capex guidance moderates. Nvidia closed Friday at $138.42, down 8% from February highs but still up 74% over twelve months. The stock trades at 28x forward earnings, compressed from 35x in November but elevated relative to its ten-year median of 22x.
Burry's exit and Aschenbrenner's positioning represent divergent implementations of the same macro view: that consensus long positioning in technology and AI infrastructure has exhausted near-term upside. Burry's choice to de-register rather than reposition suggests he sees limited asymmetric opportunities in public equities at current valuations. His 2022-2023 positions included bearish bets on ARK Innovation ETF and Tesla, both of which he exited before their subsequent rallies. De-registration allows him to manage personal capital or a smaller pool of family-office mandates without quarterly disclosure requirements. Aschenbrenner, by contrast, is making an explicit timing bet that the AI chip rally will reverse within twelve to eighteen months as enterprise AI adoption rates disappoint relative to infrastructure buildout. His fund's counterparties include large pension allocators and endowments seeking uncorrelated alpha in a market where traditional equity-bond diversification has broken down.
The operational divergence matters for allocators evaluating manager behavior as a sentiment indicator. Burry's de-registrations have historically preceded sharp corrections—his 2013 closure came three months before the taper tantrum, his 2019 pause occurred ahead of the repo crisis. Aschenbrenner's fund launch, backed by $150 million in commitments from institutional LPs, signals that sophisticated capital is willing to pay 2-and-20 fees for access to contrarian AI infrastructure shorts. That willingness reflects two things: first, that endowments and pensions believe the crowded long in semiconductors has created exploitable mispricings; second, that they trust Aschenbrenner's technical AI background to identify which companies are overearning relative to sustainable demand. The fund's prospectus lists exposure limits at 150% gross, 50% net, with sector concentration caps at 40% in technology. Those parameters allow aggressive shorts while maintaining risk controls.
Watch for Nvidia's April earnings call, where management will guide Q2 data center revenue and comment on hyperscaler capex trends. If guidance misses consensus $28 billion expectations, Aschenbrenner's positions will mark to market favorably and likely attract copycat capital. Also watch for any Burry re-registration in the next six to nine months—if he returns, his first 13F will indicate whether he believes the correction has created value or whether he remains structurally bearish. Finally, track redemption notices from other long-duration equity managers; if Burry's exit is part of a broader risk-off wave among discretionary funds, that will show up in prime brokerage data and hedge fund hotel unwinds over the next two quarters.
Scion's closure removed one of the market's most-watched contrarian voices from public disclosure. Aschenbrenner's fund added a new one, with better technical credentials in the sector it is shorting. The timing is not coincidental.
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For the principal
Consider whether existing AI infrastructure allocations require hedges; institutional capital is now paying for shorts, not just longs.
For the operator
Track 13F filings from other macro discretionary managers; Burry's exit may precede broader equity-fund redemptions in two quarters.
For the house
We added 5% notional in Nasdaq put spreads across named accounts; increased semiconductor sector hedge to 12% gross.
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