Leopold Aschenbrenner’s $45 Billion AI Bet Ends With Massive Sell-Off

Leopold Aschenbrenner’s Situational Awareness LP sold its entire public stock portfolio in a single block trade on Thursday, July 30, 2026, after July’s AI selloff gutted the fund. Ken Griffin’s Citadel purchased the positions, which represented roughly two-thirds of the firm’s total holdings, according to CNBC. The fund had grown to as much as $45 billion in assets after posting a 439% net return through June 2026.

How Situational Awareness Built Its $45 Billion Position

Aschenbrenner, a 23-year-old former OpenAI researcher, launched Situational Awareness in 2024 after leaving the company. The fund grew explosively on the strength of an AGI infrastructure investment thesis.

• Starting capital: $225 million when the fund launched in 2024.
• Peak assets under management: as much as $45 billion.
• Net return through June 2026: approximately 439% after fees.
• Fund staffing: eight people total, four of them investment professionals.

Aschenbrenner had never traded professionally before launching the fund, according to the Financial Times. That inexperience didn’t stop Situational Awareness from becoming one of the most closely watched names in AI investing.

The Two Losing Bets That Triggered The Collapse

July’s selloff hit Situational Awareness from both its long and short positions at once. That dual exposure amplified losses far beyond what either bet alone would have caused.

• Long position hit hardest: SK Hynix, the South Korean memory chipmaker.
• SK Hynix’s US IPO coincided with a broader Korean stock unwind.
• Short position that backfired: Adobe, which rallied as software stocks recovered.
• Leverage used: reportedly around 4x on AI and semiconductor bets.

Prime brokers including Bank of America, Goldman Sachs, and JPMorgan supplied that leverage, according to Artvoice. When both trades moved against the fund together, margin calls followed almost immediately.

What The Portfolio Actually Held

Situational Awareness’s Q1 2026 regulatory filings revealed the breadth of its AI-adjacent infrastructure bets. Several of these positions extended well beyond core semiconductor names.

🚨 THE HOTTEST AI HEDGE FUND ON WALL STREET IS IN BIG TROUBLE

Leopold Aschenbrenner’s $20 BILLION Situational Awareness fund suffered heavy losses after the recent performance of AI stocks.

Now it is approaching investors and lenders for more capital.

• Aschenbrenner launched… pic.twitter.com/FJNetjTp8G

— Limitless Finance (@trylimitlessfin) July 30, 2026

• T1 Energy: a new $43.9 million position established during Q1.
• Bitdeer Technologies: stake increased 92.4% during the same quarter.
• HIVE Digital Technologies: 3.39 million shares acquired.
• Solaris Energy Infrastructure: position trimmed 40.8%, one of the few reductions.

That mix of crypto miners, energy infrastructure, and chip stocks reflected Aschenbrenner’s broader thesis around AI’s physical infrastructure demands. Nearly all of these categories came under simultaneous pressure during July’s rout.

The Kospi Connection Behind The Losses

South Korea’s stock market turmoil played an outsized role in the fund’s Asian exposure losses. The Kospi’s historic decline directly hit one of the fund’s largest single holdings.

• Kospi decline from its June record: nearly 40%.
• Circuit breakers triggered: on consecutive trading days, a first in Kospi history.
• South Korea’s finance minister: called an emergency meeting amid the rout.
• Fund’s own admission: Asian markets caused a meaningful share of the pain.

Aschenbrenner acknowledged in a letter to investors that the fund “had not been immune” to these swings, particularly across Asian holdings. That candor came even as he continued defending the fund’s broader thesis.

Aschenbrenner’s Response And What Comes Next

Despite the forced liquidation, Aschenbrenner has publicly framed the selloff as a buying opportunity rather than a thesis failure. The fund is now working to raise fresh capital while continuing to operate.

• July 24 investor letter: described the AI rout as a buying opportunity.
• Cited catalyst: a potential future Anthropic IPO for the sector.
• Current fund status: continuing to operate through private investments.
• Capital raise approach: described as ad hoc, not a coordinated round.

Some investors have reportedly been offered the chance to buy portfolio assets directly from the fund. The exact size of the drawdown and current net asset value both remain undisclosed as of this report.

Bottom Line

Leopold Aschenbrenner’s rapid rise and equally rapid stumble illustrate how concentrated, leveraged AI bets can unwind just as fast as they build. A 439% return through June gave way to a forced full-portfolio liquidation within weeks, driven by SK Hynix losses and a mistimed Adobe short.

With Citadel now holding two-thirds of the fund’s former public positions, Aschenbrenner’s next moves will test whether his AGI infrastructure thesis still holds. Investors watching AI-adjacent stocks should treat this collapse as a reminder of how leverage magnifies both gains and losses in concentrated sector bets.

Disclaimer:

The content shared by Meyka AI PTY LTD is for research and informational purposes only. Meyka is not a financial advisory service, and the information provided should not be treated as investment or trading advice.