In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Leopold Aschenbrenner's Situational Awareness reported 7 stock positions worth $1.1 billion . Its top holding was Broadcom (AVGO) at 29.9% of the portfolio, followed by Vistra (VST, 22.5% ) and Core Scientific (CORZ, 12.4% ). Compared with Q1 2025, it sold out of 4 and added to 7. The biggest buy was Vistra (VST, shares +142% ) and the biggest sale an exit from Onto Innovation (ONTO).
Notable People Leopold Aschenbrenner
Location SAN FRANCISCO, CA
CIK 0002045724
Portfolio Value $1.1B (Q2 2025) Holdings 7 stocks · $1.1B Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q1 2025 AVGO Broadcom Inc. 1,191,606 $328.5M Add +70.2% VST Vistra Corp. 1,274,178 $246.9M Add +142.3% CORZ Core Scientific Inc. 7,994,038 $136.5M Add +76.8% EQT Eqt Corp. 2,145,345 $125.1M Add +116.8% CEG Constellation Energy 319,200 $103.0M Add +74.0% IREN Iren Ltd. filed as IREN LIMITED 6,400,384 $93.3M Add +90.1% APLD Applied Digital Corp. 6,591,800 $66.4M Add +63.3%
Options reported separately and not counted above: SMH puts ($570.1M), INTC calls ($453.3M).
Portfolio Sells Q1 2025 → Q2 2025 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
Stock Change vs Q1 2025 % Of Portfolio Change To Portfolio ▲ ONTO Onto Innovation Inc. Sold out 0.00% −13.04 MOD Modine Manufacturing Co. Sold out 0.00% −10.08 CRWV Coreweave Inc. Class A Sold out 0.00% −8.32 TLN Talen Energy Corp. Sold out 0.00% −5.43
Portfolio Buys Q1 2025 → Q2 2025 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
Stock Change vs Q1 2025 % Of Portfolio Change To Portfolio ▼ VST Vistra Corp. Add +142.3% 22.46% +11.15 AVGO Broadcom Inc. Add +70.2% 29.87% +8.40 CORZ Core Scientific Inc. Add +76.8% 12.41% +6.41 IREN Iren Ltd. Add +90.1% 8.48% +4.73 CEG Constellation Energy Add +74.0% 9.37% +2.60 APLD Applied Digital Corp. Add +63.3% 6.04% +1.88 EQT Eqt Corp. Add +116.8% 11.38% +1.70
Options Activity Q1 2025 → Q2 2025 Security Type Change vs Q1 2025 Underlying Shares Value ▼ SMH Vaneck Semiconductor ETF put New 2,044,100 $570.1M
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 23 $20.2B SNDK, MU, BE, TSM, NBIS Q1 2026 26 $3.9B BE, SNDK, CRWV, IREN, CORZ Q4 2025 24 $3.9B BE, LITE, CRWV, CORZ, IREN Q3 2025 19 $2.2B CRWV, CORZ, IREN, VST, APLD Q2 2025 7 $1.1B AVGO, VST, CORZ, EQT, CEG Q1 2025 11 $546.0M AVGO, ONTO, VST, MOD, EQT Q4 2024 6 $254.8M MRVL, VST, VRT, TLN, CEG