- 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.