Situational Awareness's 13F: Memory Chips Dominate a Concentrated Book
As seen on the 24/7 Wall St. homepage on August 14, 2026.
- SNDKSANDISK CORP28%
- MUMICRON TECHNOLOGY INC27.5%
- BEBLOOM ENERGY CORP9.4%
- TSMTAIWAN SEMICONDUCTOR MANUFAC6.2%
- NBISNEBIUS GROUP N.V.6.1%
As of Jun 30, 2026 · disclosed Aug 14, 2026 · ~45 days stale — long positions only.
Leopold Aschenbrenner's Situational Awareness had 77.3% of its long book in five names as of June 30, with memory alone accounting for more than half. That is the portfolio behind the roughly $15 billion hit Jane Street took in July, disclosed only now and before the forced sale to Citadel.
Continue ReadingShow less
As of June 30, Situational Awareness packed 77.3% of its portfolio value into just five of its 23 long positions, so any meaningful move in one of those names hits the whole fund.
SanDisk and Micron together account for more than half the book, leaving the fund exposed to the demand cycles, inventory gluts, and geopolitical pressures that make memory semiconductors one of the most volatile corners of tech.
Disclosure
1 INVESTMENTS ARE NOT FDIC INSURED • ARE NOT BANK GUARANTEED • MAY LOSE VALUE Brokerage and Active investing products offered through SoFi Securities LLC, member FINRA( www.finra.org )/SIPC( www.sipc.org ). 2 The probability of a member receiving $3,000 is 0.028%. If you don’t make a selection in 45 days, you’ll no longer qualify for the promo. Members must fund their account with a minimum of $50.00 to qualify. The probability percentage is subject to decrease. Members are only eligible for the Stock Award promotion upon opening their first brokerage account; subsequent cash brokerage accounts are ineligible for the promo, including for members with multiple accounts. 3 Other fees, such as exchange fees, may apply. Please view our fee disclosure to view a full listing of fees. 4 There are limitations with fractional shares to consider before investing. During market hours fractional share orders are transmitted immediately in the order received. There may be system delays from receipt of your order until execution and market conditions may adversely impact execution prices. Outside of market hours orders are received on a not held basis and will be aggregated for each security then executed in the morning trade window of the next business day at market open. Share will be delivered at an average price received for executing the securities through a single batched order. Fractional shares may not be transferred to another firm. Fractional shares will be sold when a transfer or closure request is initiated. Please consider that selling securities is a taxable event.
SoFi Active Invest is offering a limited-time promotion. Open an account, fund it with $50 or more, and you could receive up to $1,000 in complimentary stock for Active Invest accounts. See for yourself by clicking here now. (Sponsor)
Bloom Energy, Taiwan Semiconductor, and Nebius Group round out the top five, a mix that points toward a thesis around energy-intensive computing, though the filing itself states no such rationale.
The 13F covers positions as of June 30 but was disclosed on August 14, so it describes the portfolio before any repositioning in the weeks since quarter end.